:root {
  --bg-1: #f4f7ed;
  --bg-2: #e8efe0;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --card: #ffffff;
  --card-strong: #ffffff;
  --ink: #102018;
  --muted: #607364;
  --accent: #1f6d4d;
  --accent-2: #d87243;
  --accent-3: #2d8d63;
  --line: rgba(25, 42, 32, 0.12);
  --shadow: 0 18px 40px rgba(16, 32, 24, 0.1);
  --radius: 24px;
  --pill-radius: 999px;
  --nav-height: 4.6rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Fredoka", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, rgba(31, 109, 77, 0.2), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(215, 114, 67, 0.16), transparent 30%),
    linear-gradient(145deg, var(--bg-1), var(--bg-2));
  overflow-x: hidden;
  position: relative;
}

body.settings-scroll-locked {
  overflow-y: hidden;
}

html.matrix-disabled .jp-matrix,
body.matrix-disabled .jp-matrix {
  display: none;
}

.jp-matrix {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
  grid-auto-rows: 44px;
  width: 100vw;
  height: 100vh;
  font-size: 28px;
  font-family: "Courier New", Courier, monospace;
  color: rgba(30, 111, 79, 0.22);
  opacity: 0.6;
  mix-blend-mode: multiply;
}

.jp-matrix>span {
  text-align: center;
  line-height: 1;
  user-select: none;
  text-shadow: 0 0 4px rgba(30, 111, 79, 0.18);
  transition: color 0.5s, text-shadow 0.5s;
}

.jp-matrix>span:nth-child(19n + 2) {
  animation: smooth-pulse 4s ease-in-out infinite 0.2s;
}

.jp-matrix>span:nth-child(29n + 1) {
  animation: smooth-pulse 4.6s ease-in-out infinite 0.7s;
}

.jp-matrix>span:nth-child(11n) {
  animation: smooth-pulse 3.4s ease-in-out infinite 1.1s;
}

.jp-matrix>span:nth-child(37n + 10) {
  animation: smooth-pulse 5.1s ease-in-out infinite 1.5s;
}

.jp-matrix>span:nth-child(41n + 1) {
  animation: smooth-pulse 4.2s ease-in-out infinite 0.4s;
}

.jp-matrix>span:nth-child(17n + 9) {
  animation: smooth-pulse 3.2s ease-in-out infinite 0.9s;
}

.jp-matrix>span:nth-child(23n + 18) {
  animation: smooth-pulse 4.5s ease-in-out infinite 1.3s;
}

.jp-matrix>span:nth-child(31n + 4) {
  animation: smooth-pulse 5.2s ease-in-out infinite 0.1s;
}

.jp-matrix>span:nth-child(43n + 20) {
  animation: smooth-pulse 3.8s ease-in-out infinite 1.8s;
}

.jp-matrix>span:nth-child(13n + 6) {
  animation: smooth-pulse 3.5s ease-in-out infinite 1.2s;
}

.jp-matrix>span:nth-child(53n + 5) {
  animation: smooth-pulse 4.9s ease-in-out infinite 0.5s;
}

.jp-matrix>span:nth-child(47n + 15) {
  animation: smooth-pulse 5.6s ease-in-out infinite 1s;
}

@keyframes smooth-pulse {

  0%,
  100% {
    color: rgba(30, 111, 79, 0.22);
    text-shadow: 0 0 4px rgba(30, 111, 79, 0.18);
  }

  40% {
    color: rgba(30, 111, 79, 0.45);
    text-shadow: 0 0 8px rgba(30, 111, 79, 0.35);
  }

  65% {
    color: rgba(215, 106, 60, 0.5);
    text-shadow: 0 0 8px rgba(215, 106, 60, 0.35);
  }
}

body.dark-mode .jp-matrix {
  color: rgba(215, 114, 67, 0.22);
  opacity: 0.58;
  mix-blend-mode: screen;
}

body.dark-mode .jp-matrix>span {
  text-shadow: 0 0 4px rgba(215, 114, 67, 0.18);
}

body.dark-mode {
  --bg-1: #101c17;
  --bg-2: #0d1612;
  --surface: rgba(22, 35, 29, 0.82);
  --surface-strong: rgba(22, 35, 29, 0.94);
  --card: #1f3229;
  --card-strong: #1f3229;
  --ink: #e8f4ec;
  --muted: #abc5b4;
  --accent: #41a679;
  --accent-2: #d98b62;
  --accent-3: #2f8f64;
  --line: #2b463a;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

body.dark-mode .navbar {
  background: rgba(18, 28, 23, 0.72);
  border-color: rgba(43, 70, 58, 0.9);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

body.dark-mode .nav-links {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.06);
}

body.dark-mode .nav-chip {
  color: var(--muted);
}

body.dark-mode .nav-chip:hover,
body.dark-mode .nav-chip:focus-visible {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.08);
}

body.dark-mode .nav-chip.active {
  color: #fff;
  background: transparent;
  box-shadow: none;
}

body.dark-mode .theme-toggle,
body.dark-mode .inbox-toggle,
body.dark-mode .chat-toggle,
body.dark-mode .morph-button,
body.dark-mode .element-search-wrapper {
  background: #16231d;
  border-color: rgba(43, 70, 58, 0.9);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.28);
  color: var(--ink);
}

body.dark-mode .theme-toggle:hover,
body.dark-mode .theme-toggle:focus-visible,
body.dark-mode .chat-toggle:hover,
body.dark-mode .chat-toggle:focus-visible,
body.dark-mode .morph-button:hover,
body.dark-mode .morph-button:focus-visible,
body.dark-mode .element-search-wrapper:hover,
body.dark-mode .element-search-wrapper:focus-within {
  background: #1c2c24;
}

body.dark-mode .element-search-input,
body.dark-mode .element-search-input::placeholder {
  color: var(--muted);
}

body.dark-mode .element-search-submit {
  background: rgba(65, 166, 121, 0.14);
  color: var(--muted);
}

body.dark-mode .element-search-submit:hover,
body.dark-mode .element-search-submit:focus-visible {
  background: rgba(65, 166, 121, 0.22);
  color: #ffffff;
}

body.dark-mode .search-button .button-icon,
body.dark-mode .auth-button .button-icon,
body.dark-mode .search-morph .element-search-icon {
  color: var(--muted);
}

body.dark-mode .community.discord {
  background: rgba(88, 101, 242, 0.14);
}

body.dark-mode .community.youtube {
  background: rgba(255, 0, 0, 0.12);
}

body.dark-mode .profile-button {
  background: rgba(65, 166, 121, 0.1);
}

body.dark-mode .auth-button.signup {
  background: linear-gradient(135deg, rgba(65, 166, 121, 0.12), rgba(217, 139, 98, 0.12));
}

body.dark-mode .chat-toggle {
  color: #ffffff;
}

body.dark-mode .chat-toggle i {
  color: #ffffff;
}

.nav-chip {
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: "Fredoka", sans-serif;
}

.shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 18px;
}

.navbar {
  position: sticky;
  top: 18px;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: var(--nav-height);
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  padding: 0 10px 0 6px;
  white-space: nowrap;
}

.brand-mark {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(31, 109, 77, 0.2);
  flex: 0 0 auto;
}

.brand-text {
  display: flex;
  align-items: flex-start;
  gap: 2px;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.brand-text sup {
  font-size: 0.45em;
  line-height: 1;
  top: 0.3em;
  position: relative;
  color: var(--muted);
}

.social-group,
.nav-links,
.right-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-group {
  flex-wrap: wrap;
}

.nav-links {
  position: relative;
  margin: 0 auto;
  padding: 8px;
  border-radius: var(--pill-radius);
  background: rgba(16, 32, 24, 0.05);
  border: 1px solid rgba(16, 32, 24, 0.06);
  overflow: hidden;
}

.nav-highlight {
  position: absolute;
  top: 8px;
  left: 8px;
  height: calc(100% - 16px);
  border-radius: var(--pill-radius);
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  box-shadow: 0 12px 20px rgba(31, 109, 77, 0.24);
  transform: translateX(0);
  transition: top 0.45s cubic-bezier(0.22, 1, 0.36, 1), left 0.45s cubic-bezier(0.22, 1, 0.36, 1), width 0.45s cubic-bezier(0.22, 1, 0.36, 1), height 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.2s ease;
  will-change: top, left, width, height;
  z-index: 0;
}

.nav-chip {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0 1.05rem;
  border-radius: var(--pill-radius);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.98rem;
  font-weight: 700;
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.nav-chip:hover,
.nav-chip:focus-visible {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(16, 32, 24, 0.08);
}

.nav-chip.active {
  color: #fff;
  background: transparent;
  box-shadow: none;
}

.nav-chip.active:hover,
.nav-chip.active:focus-visible {
  color: #fff;
}

.right-group {
  flex: 0 0 auto;
  margin-left: auto;
}

.theme-toggle {
  width: 2.8rem;
  height: 2.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(16, 32, 24, 0.08);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 0 6px 14px rgba(16, 32, 24, 0.08);
  transition: transform 0.24s ease, background-color 0.24s ease, box-shadow 0.24s ease, filter 0.24s ease;
  cursor: pointer;
  flex: 0 0 auto;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  transform: translateY(-1px);
  background: #fff;
  box-shadow: 0 10px 18px rgba(16, 32, 24, 0.12);
  filter: brightness(1.06);
}

.inbox-toggle {
  width: 2.8rem;
  height: 2.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(16, 32, 24, 0.08);
  background: #ffffff;
  color: var(--ink);
  text-decoration: none;
  box-shadow: 0 6px 14px rgba(16, 32, 24, 0.08);
  transition: transform 0.24s ease, background-color 0.24s ease, box-shadow 0.24s ease, filter 0.24s ease;
  cursor: pointer;
  flex: 0 0 auto;
  position: relative;
  z-index: 2;
}

.inbox-toggle:hover,
.inbox-toggle:focus-visible {
  transform: translateY(-1px);
  background: #ffffff;
  box-shadow: 0 10px 18px rgba(16, 32, 24, 0.12);
  filter: brightness(1.06);
}

.inbox-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 999px;
  background: #d33a32;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.12);
}

.inbox-badge.hidden {
  display: none;
}

.icon-button {
  width: 2.8rem;
  height: 2.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(16, 32, 24, 0.08);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 0 6px 14px rgba(16, 32, 24, 0.08);
  transition: transform 0.24s ease, background-color 0.24s ease, box-shadow 0.24s ease;
}

.icon-button:hover,
.icon-button:focus-visible {
  transform: translateY(-1px);
  background: #fff;
  box-shadow: 0 10px 18px rgba(16, 32, 24, 0.12);
}

.inbox-panel {
  position: fixed;
  top: 66px;
  right: 14px;
  width: min(300px, calc(100vw - 28px));
  height: min(46vh, 360px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #ffffff;
  box-shadow: var(--shadow);
  z-index: 70;
  display: none;
  flex-direction: column;
  overflow: hidden;
}

body.dark-mode .inbox-panel {
  background: #1f3229;
}

.inbox-panel.open {
  display: flex;
}

.inbox-head {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  font-weight: 700;
}

.inbox-list {
  padding: 10px;
  display: grid;
  gap: 8px;
  overflow: auto;
}

.inbox-item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  background: #ffffff;
}

.inbox-item.feedback {
  background: #ffffff;
  position: relative;
}

body.dark-mode .inbox-item {
  background: #1f3229;
}

body.dark-mode .inbox-item.feedback {
  background: #1f3229;
}

.inbox-user {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.inbox-user img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
}

.inbox-actions {
  display: flex;
  gap: 6px;
}

.inbox-actions button {
  border: 0;
  border-radius: 8px;
  padding: 6px 8px;
  font: inherit;
  color: #fff;
  cursor: pointer;
  font-size: 0.84rem;
}

.accept-btn {
  background: var(--accent);
}

.decline-btn {
  background: #b24539;
}

.inbox-empty {
  color: var(--muted);
  font-size: 0.92rem;
}

.inbox-feedback-text {
  color: var(--muted);
  line-height: 1.4;
  white-space: pre-wrap;
}

.feedback-delete {
  position: absolute;
  top: 8px;
  right: 8px;
  border: 0;
  background: transparent;
  color: #d33a32;
  font-size: 1rem;
  cursor: pointer;
  opacity: 0;
  padding: 4px;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.inbox-item.feedback:hover .feedback-delete,
.inbox-item.feedback:focus-within .feedback-delete {
  opacity: 1;
}

.feedback-delete:hover,
.feedback-delete:focus-visible {
  transform: scale(1.08);
}

.morph-button {
  --expanded-width: 9.8rem;
  width: 2.8rem;
  height: 2.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 0 0.7rem;
  overflow: hidden;
  border-radius: 999px;
  border: 1px solid rgba(16, 32, 24, 0.08);
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 0 6px 14px rgba(16, 32, 24, 0.06);
  transition:
    width 0.45s cubic-bezier(0.23, 1, 0.32, 1),
    background-color 0.3s ease,
    transform 0.3s cubic-bezier(0.23, 1, 0.32, 1),
    box-shadow 0.3s ease,
    color 0.3s ease,
    padding 0.45s cubic-bezier(0.23, 1, 0.32, 1),
    border-color 0.3s ease,
    gap 0.3s ease;
  white-space: nowrap;
  will-change: width, transform, padding;
  transform: translateZ(0);
  backface-visibility: hidden;
  contain: layout paint;
}

.morph-button:hover,
.morph-button:focus-visible {
  width: var(--expanded-width);
  padding: 0 0.9rem 0 0.7rem;
  gap: 0.35rem;
  justify-content: flex-start;
  transform: translateY(-1px);
  background: #fff;
  box-shadow: 0 12px 22px rgba(16, 32, 24, 0.12);
}

.morph-button .button-label {
  display: block;
  opacity: 0;
  max-width: 0;
  overflow: hidden;
  white-space: nowrap;
  margin-left: 0;
  transform: translateX(-6px);
  transition:
    opacity 0.25s ease 0.04s,
    max-width 0.45s cubic-bezier(0.23, 1, 0.32, 1),
    transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  font-weight: 700;
  font-size: 0.95rem;
}

.morph-button:hover .button-label,
.morph-button:focus-visible .button-label {
  opacity: 1;
  max-width: 12rem;
  transform: translateX(0);
}

.morph-button .button-icon {
  width: 2.1rem;
  height: 2.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  font-size: 1.05rem;
  opacity: 1;
  line-height: 1;
  position: relative;
}

.icon-button i,
.morph-button .button-icon i {
  display: block;
  line-height: 1;
  text-align: center;
}

.community.discord {
  background: rgba(88, 101, 242, 0.12);
}

.community.discord:hover,
.community.discord:focus-visible {
  border-color: rgba(88, 101, 242, 0.3);
}

.community.discord .button-icon {
  color: #5865f2;
}

.community.discord .button-icon i {
  font-size: 1.18rem;
  color: #5865f2;
}

.community.youtube {
  background: rgba(255, 0, 0, 0.08);
  --expanded-width: 10.7rem;
}

.community.youtube:hover,
.community.youtube:focus-visible {
  border-color: rgba(255, 0, 0, 0.24);
}

.community.youtube .button-icon {
  color: #ff0000;
}

.community.youtube .button-icon i {
  font-size: 1.18rem;
  color: #ff0000;
}

.profile-button {
  --expanded-width: 8.8rem;
  min-width: 2.8rem;
  background: rgba(31, 109, 77, 0.08);
}

.profile-button .avatar {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  object-fit: cover;
  flex: 0 0 auto;
  border: 2px solid rgba(31, 109, 77, 0.2);
}

.auth-button {
  --expanded-width: 8.5rem;
}

.auth-button.signup {
  --expanded-width: 9rem;
  background: linear-gradient(135deg, rgba(31, 109, 77, 0.12), rgba(216, 114, 67, 0.12));
}

.search-form {
  display: contents;
  margin: 0;
}

.element-search-wrapper {
  --search-width-collapsed: 2.8rem;
  --search-width-expanded: 13.8rem;
  width: var(--search-width-collapsed);
  min-height: 2.8rem;
  justify-content: flex-start;
  padding: 0 0.7rem;
  cursor: text;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0;
  overflow: hidden;
  border-radius: 999px;
  border: 1px solid rgba(16, 32, 24, 0.08);
  background: rgba(255, 255, 255, 0.74);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 0 6px 14px rgba(16, 32, 24, 0.06);
  transition:
    width 0.1s cubic-bezier(0.2, 0.8, 0.2, 1),
    background-color 0.1s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.1s cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 0.1s cubic-bezier(0.2, 0.8, 0.2, 1),
    color 0.1s cubic-bezier(0.2, 0.8, 0.2, 1),
    padding 0.1s cubic-bezier(0.2, 0.8, 0.2, 1),
    border-color 0.1s cubic-bezier(0.2, 0.8, 0.2, 1);
  white-space: nowrap;
  will-change: width, transform, padding;
  transform: translateZ(0);
  backface-visibility: hidden;
  contain: layout paint;
}

.element-search-wrapper:hover,
.element-search-wrapper:focus-within {
  width: var(--search-width-expanded);
  padding: 0 0.9rem 0 0.7rem;
  justify-content: flex-start;
  gap: 0.35rem;
  transform: translateY(-1px);
  background: #fff;
  box-shadow: 0 12px 22px rgba(16, 32, 24, 0.12);
}

.element-search-icon {
  width: 1.15rem;
  height: 1.15rem;
  flex: 0 0 auto;
  margin: 0;
  color: var(--muted);
  display: block;
}

.element-search-input {
  width: 0;
  min-width: 0;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.92rem;
  opacity: 0;
  padding: 0;
  margin: 0;
  transition: width 0.08s ease, opacity 0.08s ease;
  caret-color: var(--accent);
  flex: 1 1 auto;
}

.element-search-wrapper:hover .element-search-input,
.element-search-wrapper:focus-within .element-search-input {
  width: 100%;
  opacity: 1;
}

.element-search-input::placeholder {
  color: rgba(96, 115, 100, 0.8);
}

.element-search-results {
  display: none;
}

.element-search-submit {
  width: 0;
  height: 2.1rem;
  border: 0;
  padding: 0;
  margin-left: 0;
  border-radius: 999px;
  background: rgba(31, 109, 77, 0.08);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  overflow: hidden;
  pointer-events: none;
  transition:
    width 0.08s ease,
    opacity 0.08s ease,
    visibility 0.08s ease,
    background-color 0.08s ease,
    color 0.08s ease,
    transform 0.08s ease;
}

.element-search-wrapper:hover .element-search-submit,
.element-search-wrapper:focus-within .element-search-submit {
  width: 2.1rem;
  margin-left: 0.4rem;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.element-search-submit i {
  font-size: 0.95rem;
  line-height: 1;
}

.element-search-submit:hover,
.element-search-submit:focus-visible {
  background: rgba(31, 109, 77, 0.14);
  color: var(--accent);
  transform: translateY(-1px);
}

.search-morph {
  --expanded-width: 13.8rem;
}

.search-button {
  --expanded-width: 7.9rem;
  background: rgba(255, 255, 255, 0.72);
}

.search-button .button-icon {
  color: var(--muted);
}

.auth-button .button-icon {
  color: var(--accent);
}

.auth-button.signup .button-icon {
  color: var(--accent-2);
}

@media (max-width: 1100px) {
  .navbar {
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    margin: 0;
  }

  .right-group {
    margin-left: 0;
  }
}

@media (max-width: 760px) {
  .shell {
    padding: 12px;
  }

  .navbar {
    top: 12px;
    padding: 10px;
  }

  .brand-text {
    font-size: 1.08rem;
  }

  .social-group {
    gap: 8px;
  }

  .nav-links {
    gap: 6px;
    padding: 6px;
    overflow-x: auto;
    justify-content: flex-start;
  }

  .nav-chip {
    flex: 0 0 auto;
    font-size: 0.92rem;
  }

  .hero-space {
    min-height: calc(100vh - 7rem);
  }
}

.tab-panels {
  margin-top: 18px;
  display: grid;
  gap: 18px;
}

.tab-panel {
  display: none;
  padding: 22px;
}

.tab-panel.is-active {
  display: block;
  animation: panel-fade 0.24s ease;
}

.tab-panel.is-active[data-tab-panel="coming-soon"] {
  display: flex;
  justify-content: center;
}

.tab-panel.is-active[data-tab-panel="coming-soon"] .welcome-hero {
  width: min(840px, 100%);
  margin: 0 auto;
}

@keyframes panel-fade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.welcome-layout {
  min-height: 68vh;
  display: grid;
  place-items: center;
}

[data-tab-panel="kana-time"] .welcome-layout {
  min-height: auto;
  padding: 10px 0 40px;
}

.kana-time-wrap {
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
  background: var(--surface-strong, rgba(255, 255, 255, 0.92));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 32px;
  box-shadow:
    0 2px 4px rgba(16, 32, 24, 0.02),
    0 8px 24px rgba(16, 32, 24, 0.06),
    0 24px 60px rgba(16, 32, 24, 0.08);
  position: relative;
  overflow: hidden;
  animation: kanaTimeEnter 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes kanaTimeEnter {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.kana-time-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.45;
}

.kana-time-head {
  text-align: center;
  margin-bottom: 24px;
}

.kana-time-title {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.kana-time-subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.kana-time-section {
  margin-bottom: 20px;
}

.kana-time-section-title {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}

.kana-time-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.kana-time-option {
  position: relative;

  display: flex;
  align-items: center;
  gap: 10px;
  border: 1.5px solid var(--line);
  border-radius: 18px;
  background: var(--surface-strong, #fff);
  padding: 16px 14px;
  font-size: 1rem;
  font-family: "Fredoka", sans-serif;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 2px 8px rgba(16, 32, 24, 0.04);
  overflow: hidden;
}

.kana-time-option::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 109, 77, 0.08), transparent);
  opacity: 0;
  pointer-events: none;

  transition: opacity 0.3s ease;
}

.kana-time-option:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(31, 109, 77, 0.12);
}

.kana-time-option:hover::before {
  opacity: 1;
}

.kana-time-option:active {
  transform: translateY(-1px) scale(0.98);
  transition-duration: 0.05s;
}


.kana-time-option input[type="checkbox"],
.kana-time-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.kana-time-check,
.kana-time-radio {
  width: 20px;
  height: 20px;
  border: 2px solid var(--muted);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: all 0.15s ease;
}

.kana-time-check {
  border-radius: 6px;
}

.kana-time-radio {
  border-radius: 50%;
}

.kana-time-check::after,
.kana-time-radio::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.kana-time-check::after {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 3px;
}

.kana-time-radio::after {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
}

.kana-time-option input:checked~.kana-time-check,
.kana-time-option input:checked~.kana-time-radio {
  border-color: var(--accent);
  background: rgba(31, 109, 77, 0.08);
}

.kana-time-option input:checked~.kana-time-check::after,
.kana-time-option input:checked~.kana-time-radio::after {
  transform: translate(-50%, -50%) scale(1);
}

.kana-time-option input:checked~.kana-time-label {
  color: var(--accent);
}

.kana-time-label {
  position: relative;
  z-index: 1;
}


.kana-time-custom {
  padding: 10px 14px;
}

.kana-time-custom-input {
  position: relative;
  z-index: 2;

  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  padding: 0;
  pointer-events: auto;

}

.kana-time-custom-input::placeholder {
  color: var(--muted);
  opacity: 0.8;
}

.kana-time-actions {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}

.kana-time-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 999px;
  border: none;
  font-family: "Fredoka", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-3, #2d8d63));
  box-shadow: 0 10px 24px rgba(31, 109, 77, 0.24);
  cursor: pointer;
  transition: all 0.2s ease;
}

.kana-time-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(31, 109, 77, 0.3);
  filter: brightness(1.08);
}

.kana-time-submit:active {
  transform: translateY(0) scale(0.98);
}


body.dark-mode .kana-time-wrap {
  background: rgba(22, 35, 29, 0.85);
  border-color: rgba(43, 70, 58, 0.9);
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.2),
    0 8px 24px rgba(0, 0, 0, 0.25),
    0 24px 60px rgba(0, 0, 0, 0.3);
}

body.dark-mode .kana-time-wrap::before {
  opacity: 0.35;
}

body.dark-mode .kana-time-option {
  background: rgba(22, 35, 29, 0.72);
  border-color: rgba(43, 70, 58, 0.9);
}

body.dark-mode .kana-time-option:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(65, 166, 121, 0.18);
}

body.dark-mode .kana-time-option::before {
  background: linear-gradient(135deg, rgba(65, 166, 121, 0.12), transparent);
}

body.dark-mode .kana-time-option input:checked~.kana-time-check,
body.dark-mode .kana-time-option input:checked~.kana-time-radio {
  border-color: var(--accent);
  background: rgba(65, 166, 121, 0.15);
}

body.dark-mode .kana-time-custom-input {
  color: var(--ink);
}


@media (max-width: 640px) {
  .kana-time-wrap {
    padding: 24px 20px;
    border-radius: 22px;
  }

  .kana-time-options {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

.welcome-hero,
.welcome-card,
.kana-center,
.kana-column {
  border-radius: 24px;
  border: 1px solid rgba(16, 32, 24, 0.08);
  background: rgba(255, 255, 255, 0.7);
  padding: 22px;
  box-shadow: 0 10px 24px rgba(16, 32, 24, 0.08);
}

.welcome-hero {
  max-width: 840px;
  width: 100%;
  text-align: center;
  display: grid;
  gap: 14px;
  justify-items: center;
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  padding: 0;
}

.welcome-logo-wrap {
  position: relative;
  display: grid;
  place-items: center;
  width: min(82vw, 560px);
  aspect-ratio: 1;
}

.welcome-mark {
  width: 100%;
  height: 100%;
  opacity: 1;
  filter: drop-shadow(0 18px 34px rgba(16, 32, 24, 0.18));
}

.welcome-copy {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: clamp(18px, 5vw, 34px);
  color: var(--ink);
  text-shadow: 0 2px 10px rgba(255, 255, 255, 0.8);
}

.streak-display {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
  line-height: 1;
}

.streak-display .streak-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  flex: 0 0 auto;
}

.streak-display .streak-count {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  min-width: 2ch;
}

.welcome-copy h1 {
  margin: 0;
  font-size: clamp(2.1rem, 4.8vw, 4.4rem);
  line-height: 0.92;
  letter-spacing: 0.1rem;
  font-weight: 800;
}

.welcome-subtitle {
  margin-top: 0 !important;
  font-size: clamp(1.02rem, 2vw, 1.45rem);
  font-weight: 600;
  color: var(--muted);
  text-shadow: none;
  max-width: 30ch;
}

.welcome-note {
  margin: 18px 0 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
  color: var(--ink);
  font-weight: 700;
  text-shadow: 0 1px 8px rgba(255, 255, 255, 0.72), 0 1px 2px rgba(255, 255, 255, 0.45);
}

.welcome-hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  max-width: 56ch;
}

.vocab-levels {
  width: min(900px, 100%);
  display: grid;
  gap: 14px;
  margin-top: 8px;
}

.vocab-level-card {
  border-radius: 18px;
  border: 1px solid rgba(16, 32, 24, 0.1);
  background: rgba(255, 255, 255, 0.78);
  padding: 16px 18px;
  box-shadow: 0 8px 20px rgba(16, 32, 24, 0.08);
  display: grid;
  gap: 12px;
}

.vocab-level-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.vocab-level-head h3 {
  margin: 0;
  font-size: 1.18rem;
  letter-spacing: 0.02em;
}

.vocab-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.vocab-option {
  position: relative;
  border: 1px solid rgba(16, 32, 24, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.86);
  min-height: 44px;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  transition: 0.18s ease;
}

.vocab-option:hover {
  transform: translateY(-1px);
  border-color: rgba(31, 109, 77, 0.45);
}

.vocab-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.vocab-option:has(input:checked) {
  color: #fff;
  border-color: rgba(31, 109, 77, 0.85);
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
}

.vocab-option.is-selected {
  color: #fff;
  border-color: rgba(31, 109, 77, 0.85);
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
}

.vocab-coming-note {
  grid-column: 1 / -1;
  justify-self: center;
  margin: 2px 0 0;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
}

.vocab-start-wrap {
  margin-top: 10px;
}

.vocab-start-btn {
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  font: inherit;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  box-shadow: 0 10px 20px rgba(31, 109, 77, 0.24);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.vocab-start-btn:hover,
.vocab-start-btn:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 24px rgba(31, 109, 77, 0.3);
  filter: brightness(1.05);
}

@media (max-width: 720px) {
  .vocab-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.kana-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.95fr) minmax(420px, 1.1fr) minmax(240px, 0.95fr);
  gap: 16px;
  align-items: start;
}

.kana-layout>.panel {
  align-self: start;
  height: fit-content;
}

.kana-layout>.panel,
.kana-layout>.panel.kana-center {
  border-radius: 24px;
  border: 1px solid rgba(16, 32, 24, 0.08);
  background: rgba(255, 255, 255, 0.7);
  padding: 22px;
  box-shadow: 0 10px 24px rgba(16, 32, 24, 0.08);
}

.alphabet-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.panel {
  border-radius: 24px;
  border: 1px solid rgba(16, 32, 24, 0.08);
  background: rgba(255, 255, 255, 0.7);
  padding: 22px;
  box-shadow: 0 10px 24px rgba(16, 32, 24, 0.08);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-head h2,
.section-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}

.panel-subtitle,
.section-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.alphabet-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(78px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.digraph-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(110px, 1fr));
  gap: 10px;
  margin-bottom: 8px;
}

.kana-card {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fbf6;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 72px;
  box-shadow: 0 6px 14px rgba(17, 32, 24, 0.06);
  font-family: inherit;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.kana-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(17, 32, 24, 0.1);
}

.kana-card:active {
  transform: translateY(0);
  box-shadow: 0 6px 14px rgba(17, 32, 24, 0.06);
}

.kana-card:focus-visible {
  outline: 3px solid rgba(30, 111, 79, 0.35);
  outline-offset: 2px;
}

body.dark-mode .kana-card {
  background: #1b2d25;
}

.kana-card.empty {
  background: transparent;
  border: 1px dashed rgba(0, 0, 0, 0.08);
  box-shadow: none;
  cursor: default;
}

body.dark-mode .kana-card.empty {
  border-color: rgba(255, 255, 255, 0.1);
}

.kana-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kana-char {
  font-size: 1.8rem;
  font-weight: 700;
}

.kana-romaji {
  font-size: 0.9rem;
  color: var(--muted);
  text-transform: lowercase;
}

.section-controls {
  margin-top: 14px;
  display: flex;
  gap: 8px;
}

.chip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.chip-grid-vertical {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.chip {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 8px 10px;
  font-size: 0.92rem;
}

.kana-input[type="checkbox"] {
  display: none;
}

.kana-input[type="radio"],
.time-trial-radio {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.custom-checkbox {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--muted);
  border-radius: 4px;
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}

.custom-checkbox::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background-color: var(--accent);
  border-radius: 2px;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.kana-input[type="checkbox"]:checked+.custom-checkbox::after {
  opacity: 1;
}

.custom-radio {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--muted);
  border-radius: 50%;
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}

.custom-radio::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background-color: var(--accent);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.time-trial-radio:checked+.custom-radio::after,
.time-trial-custom-radio:checked+.custom-radio::after {
  opacity: 1;
}

.tiny-btn,
.btn-kana {
  font-family: "Fredoka", sans-serif;
}

.tiny-btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 0.86rem;
  padding: 6px 10px;
  cursor: pointer;
}

.tiny-btn:hover {
  background: #f4f9f0;
}

.btn-kana {
  color: #fff;
  background: var(--accent);
  border: 0;
  border-radius: 999px;
  min-height: 2.8rem;
  padding: 0 1.15rem;
  cursor: pointer;
  font-weight: 700;
  justify-content: center;
  align-items: center;
}

.time-trial-grid {
  display: grid;
  gap: 14px;
}

.time-trial-custom-row {
  display: grid;
  gap: 8px;
}

.time-trial-custom-row label {
  font-weight: 700;
}

.time-trial-custom-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

body.dark-mode .time-trial-custom-input {
  background: #1f332a;
}

.time-trial-custom-chip {
  min-width: 170px;
  padding: 8px 10px;
}

.time-trial-custom-radio {
  display: none;
}

.time-trial-custom-chip .time-trial-custom-input {
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  text-align: center;
}

.time-trial-custom-chip .time-trial-custom-input:focus {
  outline: none;
}

.kana-column {
  display: grid;
  gap: 14px;
  align-content: start;
}

.kana-column-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.kana-column-head h2,
.kana-center h2 {
  margin: 0;
  font-size: 1.3rem;
}

.kana-column-head p,
.kana-center p {
  margin: 0;
  color: var(--muted);
}

.kana-chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.kana-card {
  display: grid;
  gap: 6px;
  align-content: center;
  min-height: 74px;
  padding: 12px;
  border-radius: 18px;
  background: rgba(31, 109, 77, 0.08);
  border: 1px solid rgba(31, 109, 77, 0.12);
}

.kana-card strong {
  font-size: 1.2rem;
  line-height: 1;
  color: var(--ink);
}

.kana-card span {
  color: var(--muted);
  font-size: 0.82rem;
}

.kana-center {
  display: grid;
  gap: 20px;
  align-content: start;
  justify-self: center;
  width: 100%;
  max-width: 860px;
}

.kana-center form {
  display: grid;
  gap: 20px;
}

.kana-section {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(16, 32, 24, 0.08);
  background: rgba(255, 255, 255, 0.45);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.kanji-panel {
  display: grid;
  gap: 16px;
  width: min(100%, 1120px);
  margin: 0 auto;
}

.kanji-table-wrap {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(16, 32, 24, 0.08);
  background: rgba(255, 255, 255, 0.45);
  padding: 0;
}

.kanji-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  table-layout: fixed;
  min-width: 0;
  margin: 0 auto;
}

.kanji-table thead tr:first-child th:first-child {
  border-top-left-radius: 17px;
}

.kanji-table thead tr:first-child th:last-child {
  border-top-right-radius: 17px;
}

.kanji-table tbody tr:last-child td:first-child {
  border-bottom-left-radius: 17px;
}

.kanji-table tbody tr:last-child td:last-child {
  border-bottom-right-radius: 17px;
}

.kanji-table th,
.kanji-table td {
  border-right: 1px solid rgba(16, 32, 24, 0.08);
  border-bottom: 1px solid rgba(16, 32, 24, 0.08);
  border-left: none;
  border-top: none;
}

.kanji-table th {
  background: rgba(31, 109, 77, 0.08);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
  height: 46px;
}

.kanji-row-label {
  width: 84px;
  min-width: 84px;
  text-align: left;
  padding: 0 12px;
  font-weight: 800;
  color: var(--ink);
  background: rgba(31, 109, 77, 0.04);
}

.kanji-cell {
  height: auto;
  background: rgba(255, 255, 255, 0.5);
  transition: background-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.kanji-cell label {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  color: var(--ink);
  font-weight: 800;
  position: relative;
  padding: 4px;
  gap: 1px;
}

.kanji-cell input {
  display: none;
}

.kanji-cell .group-value {
  font-size: 0.96rem;
  line-height: 1;
}

.kanji-cell .group-score {
  font-size: 0.66rem;
  font-weight: 700;
  color: inherit;
  opacity: 0.92;
}

.kanji-cell.empty {
  background: rgba(255, 255, 255, 0.18);
}

.kanji-cell.default label {
  background: rgba(255, 255, 255, 0.72);
}

.kanji-cell.active label {
  box-shadow: inset 0 0 0 2px rgba(31, 109, 77, 0.4);
}

.kanji-cell.score-mode label {
  color: #132219;
  background-color: transparent;
}

.kanji-cell.score-mode {
  background-color: var(--score-bg, rgba(255, 255, 255, 0.72));
}

.kanji-cell .group-score {
  font-size: 0.78rem;
  font-weight: 700;
  color: inherit;
  opacity: 0.92;
}

body.dark-mode .kanji-table-wrap {
  border-color: rgba(43, 70, 58, 0.9);
  background: rgba(14, 24, 19, 0.45);
}

body.dark-mode .kanji-table th,
body.dark-mode .kanji-row-label,
body.dark-mode .kanji-cell {
  border-color: rgba(65, 166, 121, 0.16);
}

body.dark-mode .kanji-table th {
  background: rgba(65, 166, 121, 0.08);
  color: var(--muted);
}

body.dark-mode .kanji-row-label {
  background: rgba(14, 24, 19, 0.72);
  color: var(--ink);
}

body.dark-mode .kanji-cell {
  background: rgba(22, 35, 29, 0.7);
}

body.dark-mode .kanji-cell label {
  color: var(--ink);
}

body.dark-mode .kanji-cell.default label {
  background: rgba(22, 35, 29, 0.72);
}

body.dark-mode .kanji-cell.empty {
  background: rgba(255, 255, 255, 0.03);
}

body.dark-mode .kanji-cell.active label {
  box-shadow: inset 0 0 0 2px rgba(65, 166, 121, 0.45);
}

body.dark-mode .kanji-cell.score-mode label {
  color: #e8f4ec;
}

body.dark-mode .kanji-cell.score-mode {
  background-color: var(--score-bg, rgba(22, 35, 29, 0.72));
}

.kanji-table-form .section-controls {
  display: flex;
  justify-content: center;
}

.kanji-table-note {
  margin: 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.92rem;
}

.kanji-submit {
  min-width: 220px;
  padding: 0 1.4rem;
  min-height: 3rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 14px rgba(31, 109, 77, 0.3);
}

body.dark-mode .kanji-table-note {
  color: var(--muted);
}

body.dark-mode .kanji-submit {
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 14px rgba(31, 109, 77, 0.3);
}

body.dark-mode .panel {
  background: rgba(22, 35, 29, 0.82);
  border-color: rgba(43, 70, 58, 0.9);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.placeholder-note {
  color: var(--muted);
  line-height: 1.6;
}

.placeholder-card {
  margin-top: 14px;
  padding: 18px;
  border-radius: 18px;
  border: 1px dashed rgba(16, 32, 24, 0.18);
  background: rgba(255, 255, 255, 0.42);
  color: var(--muted);
}

body.dark-mode .tab-panel,
body.dark-mode .welcome-card,
body.dark-mode .kana-center,
body.dark-mode .kana-column {
  border-color: rgba(43, 70, 58, 0.9);
}

body.dark-mode .tab-panel.is-active[data-tab-panel="home"] {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  padding: 22px;
}

body.dark-mode .welcome-hero {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

body.dark-mode .vocab-level-card {
  background: rgba(22, 35, 29, 0.84);
  border-color: rgba(43, 70, 58, 0.85);
}

body.dark-mode .vocab-option {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--ink);
}

body.dark-mode .vocab-option:hover {
  border-color: rgba(65, 166, 121, 0.5);
}

body.dark-mode .vocab-option:has(input:checked),
body.dark-mode .vocab-option.is-selected {
  color: #ffffff;
  border-color: rgba(65, 166, 121, 0.85);
  background: linear-gradient(135deg, #2d8d63, #41a679);
  box-shadow: 0 8px 18px rgba(65, 166, 121, 0.3);
}

body.dark-mode .welcome-copy {
  color: #ecf8ef;
  text-shadow: 0 2px 12px rgba(5, 12, 9, 0.8);
}

body.dark-mode .welcome-copy h1 {
  color: #f4fff8;
}

body.dark-mode .welcome-subtitle {
  color: #dbeadf;
  text-shadow: 0 1px 10px rgba(5, 12, 9, 0.78);
}

body.dark-mode .welcome-note {
  color: #dbeadf;
  text-shadow: 0 1px 10px rgba(5, 12, 9, 0.78);
}

body.dark-mode .welcome-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
  border-color: rgba(255, 255, 255, 0.08);
}

body.dark-mode .kana-card {
  background: rgba(65, 166, 121, 0.1);
  border-color: rgba(65, 166, 121, 0.18);
}

body.dark-mode .kana-layout>.panel,
body.dark-mode .kana-layout>.panel.kana-center {
  background: rgba(22, 35, 29, 0.82);
  border-color: rgba(43, 70, 58, 0.9);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

body.dark-mode .kana-section {
  background: rgba(14, 24, 19, 0.45);
  border-color: rgba(65, 166, 121, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

body.dark-mode .chip {
  background: rgba(22, 35, 29, 0.72);
  border-color: rgba(65, 166, 121, 0.16);
  color: var(--ink);
}

body.dark-mode .tiny-btn {
  background: rgba(22, 35, 29, 0.72);
  color: var(--ink);
  border-color: rgba(65, 166, 121, 0.16);
}

body.dark-mode .tiny-btn:hover {
  background: rgba(28, 45, 37, 0.86);
}

.settings-tab-shell {
  display: grid;
  grid-template-columns: minmax(160px, 0.7fr) minmax(320px, 1.35fr) minmax(240px, 0.75fr);
  gap: 20px;
  align-items: stretch;
  min-height: 100%;
  width: 100%;
  max-width: 100%;
}

.settings-tab-shell>* {
  min-width: 0;
  max-width: 100%;
}

.settings-tab-empty {
  min-height: calc(100vh - 220px);
  display: grid;
  gap: 14px;
  align-content: start;
}

.settings-social-link,
.settings-about-card {
  width: 100%;
  box-sizing: border-box;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.settings-social-link {
  min-height: 58px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, filter 0.2s ease, background-color 0.2s ease;
}

.settings-social-link:hover,
.settings-social-link:focus-visible {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.settings-social-link.github {
  background: rgba(36, 41, 46, 0.08)
}

.settings-social-link.discord {
  background: rgba(88, 101, 242, 0.1);
}

.settings-social-link.youtube {
  background: rgba(255, 0, 0, 0.08);
}

body.dark-mode .settings-social-link,
body.dark-mode .settings-about-card {
  background: rgba(22, 35, 29, 0.82);
}

body.dark-mode .settings-social-link.github {
  background: rgba(36, 41, 46, 0.2);
}

body.dark-mode .settings-social-link.discord {
  background: rgba(88, 101, 242, 0.18);
}

body.dark-mode .settings-social-link.youtube {
  background: rgba(255, 0, 0, 0.14);
}

.settings-social-icon {
  width: 1.55rem;
  text-align: center;
  flex: 0 0 auto;
  font-size: 1rem;
}

.settings-social-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.25;
}

.settings-social-text small {
  font-weight: 500;
  color: var(--muted);
}

.settings-about-card {
  padding: 18px;
  display: grid;
  gap: 10px;
}

.settings-about-card h2 {
  margin: 0;
  font-size: 1.05rem;
}

.settings-about-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

body.dark-mode .settings-about-card {
  border-color: rgba(255, 255, 255, 0.1);
}

.settings-tab-main,
.settings-tab-right {
  display: grid;
  gap: 9px;
  align-content: start;
}

.settings-tab-main {
  height: calc(100vh - 120px);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  min-height: 0;
  padding-right: 6px;
  scrollbar-width: thin;
  scrollbar-color: rgba(31, 109, 77, 0.55) rgba(16, 32, 24, 0.12);
}

.settings-tab-main::-webkit-scrollbar {
  width: 10px;
}

.settings-tab-main::-webkit-scrollbar-button {
  display: none;
  width: 0;
  height: 0;
}

.settings-tab-main::-webkit-scrollbar-track {
  background: rgba(16, 32, 24, 0.12);
  border-radius: 999px;
}

.settings-tab-main::-webkit-scrollbar-thumb {
  background: rgba(31, 109, 77, 0.55);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.settings-tab-main::-webkit-scrollbar-thumb:hover {
  background: rgba(31, 109, 77, 0.72);
  background-clip: padding-box;
}

body.dark-mode .settings-tab-main {
  scrollbar-color: rgba(65, 166, 121, 0.65) rgba(255, 255, 255, 0.08);
}

body.dark-mode .settings-tab-main::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.08);
}

body.dark-mode .settings-tab-main::-webkit-scrollbar-thumb {
  background: rgba(65, 166, 121, 0.65);
  background-clip: padding-box;
}

body.dark-mode .settings-tab-main::-webkit-scrollbar-thumb:hover {
  background: rgba(65, 166, 121, 0.8);
  background-clip: padding-box;
}

.settings-tab-right {
  height: calc(100vh - 170px);
  max-height: calc(100vh - 120px);
}

.settings-tab-card {
  padding: 22px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.settings-tab-right .settings-tab-card {
  height: 100%;
  min-height: 0;
  grid-template-rows: auto 1fr;
  overflow: hidden;
}

body.dark-mode .settings-tab-card {
  background: rgba(22, 35, 29, 0.82);
}

.settings-tab-card h2,
.settings-tab-card h3,
.settings-tab-card p {
  margin: 0;
}

.settings-summary {
  gap: 8px;
}

.settings-summary h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.settings-feedback-form {
  display: grid;
  gap: 12px;
}

.settings-feedback-form textarea {
  width: 100%;
  min-height: 140px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  font: inherit;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
}

body.dark-mode .settings-feedback-form textarea {
  background: rgba(31, 50, 41, 0.96);
}

.settings-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.settings-submit {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(30, 111, 79, 0.18);
}

.settings-submit:hover,
.settings-submit:focus-visible {
  filter: brightness(1.05);
}

.changelog-list {
  display: grid;
  gap: 12px;
  overflow-y: auto;
  min-height: 0;
  max-height: 100%;
  padding-right: 6px;
  scrollbar-width: thin;
  scrollbar-color: rgba(31, 109, 77, 0.55) rgba(16, 32, 24, 0.12);
}

.changelog-list::-webkit-scrollbar {
  width: 10px;
}

.changelog-list::-webkit-scrollbar-button {
  display: none;
  width: 0;
  height: 0;
  background: transparent;
}

.changelog-list::-webkit-scrollbar-button:single-button,
.changelog-list::-webkit-scrollbar-button:start:decrement,
.changelog-list::-webkit-scrollbar-button:end:increment,
.changelog-list::-webkit-scrollbar-button:vertical:start:decrement,
.changelog-list::-webkit-scrollbar-button:vertical:end:increment {
  display: none;
  width: 0;
  height: 0;
  background: transparent;
  border: 0;
}

.changelog-list::-webkit-scrollbar-track {
  background: rgba(16, 32, 24, 0.1);
  border-radius: 999px;
}

.changelog-list::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(31, 109, 77, 0.78), rgba(45, 141, 99, 0.82));
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.65);
}

.changelog-list::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(31, 109, 77, 0.92), rgba(45, 141, 99, 0.95));
}

.changelog-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  background: rgba(248, 251, 246, 0.92);
  color: var(--muted);
}

body.dark-mode .changelog-item {
  background: rgba(31, 50, 41, 0.96);
}

body.dark-mode .changelog-list {
  scrollbar-color: rgba(47, 143, 100, 0.88) rgba(255, 255, 255, 0.08);
}

body.dark-mode .changelog-list::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.08);
}

body.dark-mode .changelog-list::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(47, 143, 100, 0.9), rgba(28, 78, 55, 0.94));
  border-color: rgba(22, 35, 29, 0.9);
}

body.dark-mode .changelog-list::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(55, 161, 112, 0.95), rgba(31, 93, 65, 0.98));
}

@media (max-width: 1200px) {

  .welcome-layout,
  .kana-layout {
    grid-template-columns: 1fr;
  }

  .kana-center {
    max-width: none;
  }

  .settings-tab-shell {
    grid-template-columns: 1fr;
  }

  .settings-tab-right {
    height: auto;
    max-height: none;
  }

  .settings-tab-main {
    height: auto;
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

  .settings-tab-empty {
    display: none;
  }
}


[data-tab-panel="coming-soon"] .welcome-layout {
  min-height: auto;
  padding: 10px 0 40px;
}

.vocab-wrap {
  width: 100%;
  max-width: 900px;

  margin: 0 auto;
  background: var(--surface-strong, rgba(255, 255, 255, 0.92));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 32px;
  box-shadow:
    0 2px 4px rgba(16, 32, 24, 0.02),
    0 8px 24px rgba(16, 32, 24, 0.06),
    0 24px 60px rgba(16, 32, 24, 0.08);
  position: relative;
  overflow: hidden;
  animation: vocabWrapEnter 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes vocabWrapEnter {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.vocab-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.45;
}

.vocab-head {
  text-align: center;
  margin-bottom: 28px;
}

.vocab-title {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.vocab-subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}


.vocab-levels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 8px;
  width: 100%;
}


.vocab-level-card {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
  padding: 18px;
  box-shadow: 0 6px 16px rgba(16, 32, 24, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.vocab-level-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(16, 32, 24, 0.1);
}

.vocab-level-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.vocab-level-head h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.vocab-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.vocab-option {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1.5px solid var(--line);
  border-radius: 16px;
  background: var(--surface-strong, #fff);
  padding: 14px 10px;
  font-size: 0.95rem;
  font-family: "Fredoka", sans-serif;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 2px 8px rgba(16, 32, 24, 0.04);
  overflow: hidden;
}

.vocab-option::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 109, 77, 0.08), transparent);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.vocab-option:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(31, 109, 77, 0.12);
}

.vocab-option:hover::before {
  opacity: 1;
}

.vocab-option:active {
  transform: translateY(-1px) scale(0.98);
  transition-duration: 0.05s;
}

.vocab-option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.vocab-option.is-selected {
  color: #fff;
  border-color: rgba(31, 109, 77, 0.85);
  background: linear-gradient(135deg, var(--accent), var(--accent-3, #2d8d63));
  box-shadow: 0 8px 20px rgba(31, 109, 77, 0.24);
}

.vocab-option.is-selected::before {
  display: none;
}

.vocab-start-wrap {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}

.vocab-start-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 999px;
  border: none;
  font-family: "Fredoka", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-3, #2d8d63));
  box-shadow: 0 10px 24px rgba(31, 109, 77, 0.24);
  cursor: pointer;
  transition: all 0.2s ease;
}

.vocab-start-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(31, 109, 77, 0.3);
  filter: brightness(1.08);
}

.vocab-start-btn:active {
  transform: translateY(0) scale(0.98);
}


body.dark-mode .vocab-wrap {
  background: rgba(22, 35, 29, 0.85);
  border-color: rgba(43, 70, 58, 0.9);
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.2),
    0 8px 24px rgba(0, 0, 0, 0.25),
    0 24px 60px rgba(0, 0, 0, 0.3);
}

body.dark-mode .vocab-wrap::before {
  opacity: 0.35;
}

body.dark-mode .vocab-level-card {
  background: rgba(22, 35, 29, 0.72);
  border-color: rgba(43, 70, 58, 0.9);
}

body.dark-mode .vocab-option {
  background: rgba(22, 35, 29, 0.72);
  border-color: rgba(43, 70, 58, 0.9);
}

body.dark-mode .vocab-option:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(65, 166, 121, 0.18);
}

body.dark-mode .vocab-option::before {
  background: linear-gradient(135deg, rgba(65, 166, 121, 0.12), transparent);
}

body.dark-mode .vocab-option.is-selected {
  color: #ffffff;
  border-color: rgba(65, 166, 121, 0.85);
  background: linear-gradient(135deg, #2d8d63, #41a679);
  box-shadow: 0 8px 18px rgba(65, 166, 121, 0.3);
}

@media (max-width: 760px) {
  .vocab-wrap {
    padding: 24px 20px;
    border-radius: 22px;
  }

  .vocab-levels {
    grid-template-columns: 1fr;
  }
}

[data-tab-panel="kanji"] .welcome-layout {
  min-height: auto;
  padding: 10px 0 40px;
}

.kanji-wrap {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  background: var(--surface-strong, rgba(255, 255, 255, 0.92));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 32px;
  box-shadow:
    0 2px 4px rgba(16, 32, 24, 0.02),
    0 8px 24px rgba(16, 32, 24, 0.06),
    0 24px 60px rgba(16, 32, 24, 0.08);
  position: relative;
  overflow: hidden;
  animation: kanjiWrapEnter 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes kanjiWrapEnter {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.kanji-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.45;
}

.kanji-head {
  text-align: center;
  margin-bottom: 28px;
}

.kanji-title {
  margin: 0;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.kanji-subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}

.kanji-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.kanji-levels {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.kanji-level-card {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  padding: 18px;
  box-shadow: 0 6px 16px rgba(16, 32, 24, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kanji-level-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(16, 32, 24, 0.1);
}

.kanji-level-card.n5 {
  border-top: 3px solid #2d8a5f;
}

.kanji-level-card.n4 {
  border-top: 3px solid #3b82f6;
}

.kanji-level-card.n3 {
  border-top: 3px solid #8b5cf6;
}

.kanji-level-card.n2 {
  border-top: 3px solid #f59e0b;
}

.kanji-level-card.n1 {
  border-top: 3px solid #f43f5e;
}

.kanji-level-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.kanji-level-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.kanji-level-card.n5 .kanji-level-icon {
  background: #2d8a5f;
}

.kanji-level-card.n4 .kanji-level-icon {
  background: #3b82f6;
}

.kanji-level-card.n3 .kanji-level-icon {
  background: #8b5cf6;
}

.kanji-level-card.n2 .kanji-level-icon {
  background: #f59e0b;
}

.kanji-level-card.n1 .kanji-level-icon {
  background: #f43f5e;
}

body.dark-mode .kanji-level-card.n5 .kanji-level-icon {
  background: #2d8a5f !important;
}

body.dark-mode .kanji-level-card.n4 .kanji-level-icon {
  background: #3b82f6 !important;
}

body.dark-mode .kanji-level-card.n3 .kanji-level-icon {
  background: #8b5cf6 !important;
}

body.dark-mode .kanji-level-card.n2 .kanji-level-icon {
  background: #f59e0b !important;
}

body.dark-mode .kanji-level-card.n1 .kanji-level-icon {
  background: #f43f5e !important;
}

.kanji-level-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}

.kanji-group-grid {
  display: grid;
  gap: 8px;
}

.n5-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.n4-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.n3-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.n2-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.n1-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.kanji-group-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong, #fff);
  padding: 10px 4px;
  min-height: 68px;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 2px 6px rgba(16, 32, 24, 0.04);
  overflow: hidden;
}

.kanji-group-cell::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 109, 77, 0.06), transparent);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.kanji-group-cell:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 6px 16px rgba(31, 109, 77, 0.1);
}

.kanji-group-cell:hover::before {
  opacity: 1;
}

.kanji-group-cell:active {
  transform: translateY(0) scale(0.98);
  transition-duration: 0.05s;
}

.kanji-group-cell input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.kanji-group-cell.active {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px rgba(31, 109, 77, 0.35), 0 4px 12px rgba(31, 109, 77, 0.12);
}

.kanji-group-num {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1;
}

.kanji-group-score {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
}

.kanji-group-cell.score-mode {
  background-color: var(--score-bg, transparent);
  border-color: transparent;
  box-shadow: none;
}

.kanji-group-cell.score-mode:hover {
  transform: none;
  border-color: transparent;
}

.kanji-group-cell.score-mode .kanji-group-score {
  color: #132219;
}

.kanji-actions {
  display: flex;
  justify-content: center;
  margin-top: 8px;
}

.kanji-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 999px;
  border: none;
  font-family: "Fredoka", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-3, #2d8d63));
  box-shadow: 0 10px 24px rgba(31, 109, 77, 0.24);
  cursor: pointer;
  transition: all 0.2s ease;
}

.kanji-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(31, 109, 77, 0.3);
  filter: brightness(1.08);
}

.kanji-submit:active {
  transform: translateY(0) scale(0.98);
}

body.dark-mode .kanji-wrap {
  background: rgba(22, 35, 29, 0.85);
  border-color: rgba(43, 70, 58, 0.9);
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.2),
    0 8px 24px rgba(0, 0, 0, 0.25),
    0 24px 60px rgba(0, 0, 0, 0.3);
}

body.dark-mode .kanji-wrap::before {
  opacity: 0.35;
}

body.dark-mode .kanji-level-card {
  background: rgba(22, 35, 29, 0.72);
  border-color: rgba(43, 70, 58, 0.9);
}

body.dark-mode .kanji-group-cell {
  background: rgba(22, 35, 29, 0.72);
  border-color: rgba(43, 70, 58, 0.9);
}

body.dark-mode .kanji-group-cell:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 16px rgba(65, 166, 121, 0.14);
}

body.dark-mode .kanji-group-cell::before {
  background: linear-gradient(135deg, rgba(65, 166, 121, 0.1), transparent);
}

body.dark-mode .kanji-group-cell.active {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px rgba(65, 166, 121, 0.4), 0 4px 12px rgba(0, 0, 0, 0.2);
}

body.dark-mode .kanji-group-cell.score-mode .kanji-group-score {
  color: #e8f4ec;
}

body.dark-mode .kanji-level-card.n5 .kanji-level-icon,
body.dark-mode .kanji-level-card.n4 .kanji-level-icon,
body.dark-mode .kanji-level-card.n3 .kanji-level-icon,
body.dark-mode .kanji-level-card.n2 .kanji-level-icon,
body.dark-mode .kanji-level-card.n1 .kanji-level-icon {
  color: #fff;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.12),
    0 6px 14px rgba(0, 0, 0, 0.24);
}

body.dark-mode .kanji-level-card.n5 .kanji-level-icon {
  background: #2d8a5f;
}

body.dark-mode .kanji-level-card.n4 .kanji-level-icon {
  background: #3b82f6;
}

body.dark-mode .kanji-level-card.n3 .kanji-level-icon {
  background: #8b5cf6;
}

body.dark-mode .kanji-level-card.n2 .kanji-level-icon {
  background: #f59e0b;
}

body.dark-mode .kanji-level-card.n1 .kanji-level-icon {
  background: #f43f5e;
}

@media (max-width: 760px) {
  .kanji-wrap {
    padding: 24px 20px;
    border-radius: 22px;
  }

  .n1-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .n3-grid,
  .n2-grid,
  .n4-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .kanji-group-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

[data-tab-panel="kana"] .welcome-layout {
  min-height: auto;
  padding: 10px 0 40px;
}

.kana-practice-shell {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 0;
  max-width: 1400px;
  margin: 0 auto;
  transition: gap 0.4s ease;
}

.kana-practice-shell.alphabets-open {
  gap: 16px;
}

.kana-alpha-side {
  max-width: 0;
  width: 400px;
  opacity: 0;
  overflow: hidden;
  transform: translateX(var(--tx, 0));
  transition:
    max-width 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.4s ease,
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    padding 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  flex-shrink: 0;
  background: var(--surface-strong, rgba(255, 255, 255, 0.92));
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 0;
  box-shadow: 0 8px 24px rgba(16, 32, 24, 0.06);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.kana-alpha-left {
  --tx: -70px;
}

.kana-alpha-right {
  --tx: 70px;
}

.kana-practice-shell.alphabets-open .kana-alpha-side {
  max-width: 400px;
  opacity: 1;
  transform: translateX(0);
  padding: 22px;
}

.kana-practice-shell.alphabets-open .kana-alpha-left {
  transition-delay: 0s;
}

.kana-practice-shell.alphabets-open .kana-alpha-right {
  transition-delay: 0s;
}

.kana-alpha-side h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
  color: var(--ink);
}

.kana-center-panel {
  flex: 0 0 640px;
  background: var(--surface-strong, rgba(255, 255, 255, 0.92));
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 32px;
  box-shadow:
    0 2px 4px rgba(16, 32, 24, 0.02),
    0 8px 24px rgba(16, 32, 24, 0.06),
    0 24px 60px rgba(16, 32, 24, 0.08);
  position: relative;
  overflow: hidden;
  animation: kanaCenterEnter 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes kanaCenterEnter {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.kana-center-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.45;
}

.kana-alpha-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: var(--surface-strong, #fff);
  color: var(--ink);
  font-family: "Fredoka", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 12px rgba(16, 32, 24, 0.06);
}

.kana-alpha-toggle:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(31, 109, 77, 0.12);
}

.kana-practice-actions {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.kana-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.kana-section {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(16, 32, 24, 0.08);
  background: rgba(255, 255, 255, 0.45);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.kana-section-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}

.kana-chip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}

.kana-chip {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1.5px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong, #fff);
  padding: 10px 12px;
  font-size: 0.95rem;
  font-family: "Fredoka", sans-serif;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.22, 1, 0.36, 1);
  box-shadow: 0 2px 6px rgba(16, 32, 24, 0.04);
  overflow: hidden;
}

.kana-chip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 109, 77, 0.08), transparent);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.kana-chip:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 6px 16px rgba(31, 109, 77, 0.1);
}

.kana-chip:hover::before {
  opacity: 1;
}

.kana-chip input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.kana-check {
  width: 20px;
  height: 20px;
  border: 2px solid var(--muted);
  border-radius: 6px;
  position: relative;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.kana-check::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 2px;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.kana-chip input:checked~.kana-check {
  border-color: var(--accent);
  background: rgba(31, 109, 77, 0.08);
}

.kana-chip input:checked~.kana-check::after {
  transform: translate(-50%, -50%) scale(1);
}

.kana-chip input:checked~.kana-label {
  color: var(--accent);
}

.kana-label {
  position: relative;
  z-index: 1;
}

.kana-controls {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.kana-tiny {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-family: "Fredoka", sans-serif;
  font-size: 0.86rem;
  padding: 6px 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.kana-tiny:hover {
  background: #f4f9f0;
  border-color: var(--accent);
}

.kana-actions {
  display: flex;
  justify-content: center;
  margin-top: 8px;
}

.kana-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 999px;
  border: none;
  font-family: "Fredoka", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-3, #2d8d63));
  box-shadow: 0 10px 24px rgba(31, 109, 77, 0.24);
  cursor: pointer;
  transition: all 0.2s ease;
}

.kana-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(31, 109, 77, 0.3);
  filter: brightness(1.08);
}

.alpha-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}

.alpha-grid.digraph-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.alpha-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 52px;
  padding: 8px 2px;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: rgba(31, 109, 77, 0.06);
  font-family: inherit;
  color: var(--ink);
  cursor: default;
  transition: all 0.15s ease;
}

.alpha-card:hover {
  border-color: var(--accent);
  background: rgba(31, 109, 77, 0.1);
  transform: translateY(-1px);
}

.alpha-card.empty {
  background: transparent;
  border: 1px dashed rgba(16, 32, 24, 0.1);
  box-shadow: none;
  pointer-events: none;
}

.alpha-char {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
}

.alpha-romaji {
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 600;
}

.alpha-details {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.4);
  overflow: hidden;
}

.alpha-details summary {
  padding: 10px 14px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.2s ease;
}

.alpha-details summary:hover {
  background: rgba(31, 109, 77, 0.06);
}

.alpha-details summary::-webkit-details-marker {
  display: none;
}

.alpha-details summary::after {
  content: "+";
  font-size: 1.1rem;
  color: var(--muted);
}

.alpha-details[open] summary::after {
  content: "−";
}

.alpha-details-body {
  padding: 0 14px 14px;
  display: grid;
  gap: 12px;
}

.alpha-details-body h4 {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 700;
}

body.dark-mode .kana-center-panel {
  background: rgba(22, 35, 29, 0.85);
  border-color: rgba(43, 70, 58, 0.9);
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.2),
    0 8px 24px rgba(0, 0, 0, 0.25),
    0 24px 60px rgba(0, 0, 0, 0.3);
}

body.dark-mode .kana-center-panel::before {
  opacity: 0.35;
}

body.dark-mode .kana-alpha-side {
  background: rgba(22, 35, 29, 0.85);
  border-color: rgba(43, 70, 58, 0.9);
}

body.dark-mode .kana-section {
  background: rgba(14, 24, 19, 0.45);
  border-color: rgba(65, 166, 121, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

body.dark-mode .kana-chip {
  background: rgba(22, 35, 29, 0.72);
  border-color: rgba(43, 70, 58, 0.9);
}

body.dark-mode .kana-chip:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 16px rgba(65, 166, 121, 0.14);
}

body.dark-mode .kana-chip::before {
  background: linear-gradient(135deg, rgba(65, 166, 121, 0.12), transparent);
}

body.dark-mode .kana-chip input:checked~.kana-check {
  border-color: var(--accent);
  background: rgba(65, 166, 121, 0.15);
}

body.dark-mode .kana-tiny {
  background: rgba(22, 35, 29, 0.72);
  border-color: rgba(65, 166, 121, 0.16);
}

body.dark-mode .kana-tiny:hover {
  background: rgba(28, 45, 37, 0.86);
}

body.dark-mode .alpha-card {
  background: rgba(65, 166, 121, 0.1);
  border-color: rgba(65, 166, 121, 0.18);
}

body.dark-mode .alpha-card.empty {
  border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .alpha-details {
  background: rgba(14, 24, 19, 0.45);
  border-color: rgba(43, 70, 58, 0.9);
}

body.dark-mode .alpha-details summary:hover {
  background: rgba(65, 166, 121, 0.1);
}

@media (max-width: 920px) {
  .kana-practice-shell {
    flex-direction: column;
    align-items: center;
    max-width: 640px;
  }

  .kana-center-panel {
    flex: 0 0 auto;
    width: 100%;
    max-width: 640px;
  }

  .kana-alpha-side {
    width: 100%;
    max-width: 640px;
    --tx: 0;
    transform: translateY(40px);
  }

  .kana-practice-shell.alphabets-open .kana-alpha-side {
    max-width: 640px;
    transform: translateY(0);
  }
}


.settings-tab-main {
  gap: 20px;
  padding-right: 8px;
}

.settings-section {
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--surface-strong, rgba(255, 255, 255, 0.92));
  padding: 28px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 4px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.settings-section:hover {
  box-shadow: 0 20px 44px rgba(16, 32, 24, 0.12);
}

.settings-section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.settings-section-head i {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: #fff;
  font-size: 0.9rem;
  box-shadow: 0 4px 12px rgba(31, 109, 77, 0.25);
}

.settings-section-head .settings-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.settings-row:last-child {
  border-bottom: none;
}

.settings-row-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.settings-row-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.settings-row-desc {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.4;
}


.settings-select {
  appearance: none;
  -webkit-appearance: none;
  min-width: 170px;
  padding: 10px 36px 10px 14px;
  border-radius: 12px;
  border: 1.5px solid var(--line);
  background: var(--card, #fff);
  color: var(--ink);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http:
 background-repeat: no-repeat;
      background-position: right 12px center;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .settings-select:hover,
  .settings-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(31, 109, 77, 0.12);
    outline: none;
  }

  .settings-section .section-note {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 0.95rem;
  }

  .settings-feedback-form {
    margin-top: 4px;
  }

  .settings-feedback-form textarea {
    width: 100%;
    min-height: 140px;
    resize: vertical;
    border: 1.5px solid var(--line);
    border-radius: 16px;
    padding: 16px;
    font: inherit;
    color: var(--ink);
    background: var(--card, rgba(255, 255, 255, 0.92));
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .settings-feedback-form textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(31, 109, 77, 0.12);
    outline: none;
  }

  .settings-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 12px;
  }

  .settings-submit {
    border: 0;
    border-radius: 999px;
    padding: 12px 22px;
    font: inherit;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-3));
    cursor: pointer;
    box-shadow: 0 10px 24px rgba(31, 109, 77, 0.24);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  }

  .settings-submit:hover,
  .settings-submit:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(31, 109, 77, 0.3);
    filter: brightness(1.08);
  }


  body.dark-mode .settings-section {
    background: rgba(22, 35, 29, 0.85);
    border-color: rgba(43, 70, 58, 0.9);
  }

  body.dark-mode .settings-section:hover {
    box-shadow: 0 20px 44px rgba(0, 0, 0, 0.35);
  }

  body.dark-mode .settings-select {
    background-color: rgba(22, 35, 29, 0.72);
    border-color: rgba(43, 70, 58, 0.9);
    color: var(--ink);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http:

    }

    body.dark-mode .settings-select:hover,
    body.dark-mode .settings-select:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(65, 166, 121, 0.18);
    }

    body.dark-mode .settings-feedback-form textarea {
      background: rgba(31, 50, 41, 0.96);
    }

    body.dark-mode .settings-feedback-form textarea:focus {
      box-shadow: 0 0 0 3px rgba(65, 166, 121, 0.18);
    }

    .changelog-card {
      height: 100%;
      min-height: 0;
      grid-template-rows: auto 1fr;
      overflow: hidden;
    }

    .changelog-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }

    .changelog-header i {
      width: 36px;
      height: 36px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--accent), var(--accent-3));
      color: #fff;
      font-size: 0.9rem;
      box-shadow: 0 4px 12px rgba(31, 109, 77, 0.25);
    }

    .changelog-header h2 {
      margin: 0;
      font-size: 1.15rem;
      font-weight: 700;
      letter-spacing: -0.01em;
      color: var(--ink);
    }

    .changelog-list {
      display: grid;
      gap: 14px;
      overflow-y: auto;
      min-height: 0;
      max-height: 100%;
      padding-right: 6px;
      scrollbar-width: thin;
      scrollbar-color: rgba(31, 109, 77, 0.55) rgba(16, 32, 24, 0.12);
    }

    .changelog-list::-webkit-scrollbar {
      width: 10px;
    }

    .changelog-list::-webkit-scrollbar-button {
      display: none;
      width: 0;
      height: 0;
    }

    .changelog-list::-webkit-scrollbar-track {
      background: rgba(16, 32, 24, 0.12);
      border-radius: 999px;
    }

    .changelog-list::-webkit-scrollbar-thumb {
      background: linear-gradient(180deg, rgba(31, 109, 77, 0.78), rgba(45, 141, 99, 0.82));
      border-radius: 999px;
      border: 2px solid rgba(255, 255, 255, 0.65);
    }

    .changelog-list::-webkit-scrollbar-thumb:hover {
      background: linear-gradient(180deg, rgba(31, 109, 77, 0.92), rgba(45, 141, 99, 0.95));
    }

    .changelog-item {
      border-radius: 18px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.65);
      padding: 18px;
      display: grid;
      gap: 10px;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .changelog-item:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(16, 32, 24, 0.08);
      background: rgba(255, 255, 255, 0.8);
    }

    .changelog-badge {
      justify-self: start;
      display: inline-flex;
      align-items: center;
      padding: 5px 12px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--accent), var(--accent-3));
      color: #fff;
      font-size: 0.82rem;
      font-weight: 800;
      letter-spacing: 0.04em;
      box-shadow: 0 4px 12px rgba(31, 109, 77, 0.2);
    }

    .changelog-body {
      display: grid;
      gap: 6px;
      color: var(--muted);
      font-size: 0.92rem;
      line-height: 1.55;
    }

    .changelog-body p {
      margin: 0;
    }

    .changelog-body ul {
      margin: 4px 0;
      padding-left: 18px;
      display: grid;
      gap: 4px;
    }

    .changelog-body li {
      color: var(--ink);
      font-weight: 600;
    }

    .changelog-whatsnew {
      color: var(--accent);
      font-weight: 700;
      font-size: 0.9rem;
      margin-bottom: 2px !important;
    }

    .changelog-changes {
      color: var(--ink);
      font-weight: 700;
      margin-top: 8px !important;
    }


    body.dark-mode .changelog-list {
      scrollbar-color: rgba(47, 143, 100, 0.88) rgba(255, 255, 255, 0.08);
    }

    body.dark-mode .changelog-list::-webkit-scrollbar-track {
      background: rgba(255, 255, 255, 0.08);
    }

    body.dark-mode .changelog-list::-webkit-scrollbar-thumb {
      background: linear-gradient(180deg, rgba(47, 143, 100, 0.9), rgba(28, 78, 55, 0.94));
      border-color: rgba(22, 35, 29, 0.9);
    }

    body.dark-mode .changelog-list::-webkit-scrollbar-thumb:hover {
      background: linear-gradient(180deg, rgba(55, 161, 112, 0.95), rgba(31, 93, 65, 0.98));
    }

    body.dark-mode .changelog-item {
      background: rgba(22, 35, 29, 0.72);
      border-color: rgba(43, 70, 58, 0.9);
    }

    body.dark-mode .changelog-item:hover {
      background: rgba(28, 45, 37, 0.86);
      box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
    }

    body.dark-mode .changelog-body {
      color: var(--muted);
    }

    body.dark-mode .changelog-body li {
      color: var(--ink);
    }

    body.dark-mode .changelog-whatsnew {
      color: var(--accent);
    }