:root {
  color-scheme: light;
  font-family: "Pretendard", "Noto Sans KR", system-ui, -apple-system, sans-serif;
  --bg: #f7f8ff;
  --card: #ffffff;
  --accent: #6c7bff;
  --accent-soft: #eef0ff;
  --text: #1f2450;
  --muted: #6f77a7;
  --border: #e3e6ff;
  --shadow: 0 10px 30px rgba(90, 100, 200, 0.12);
  --item-bg: #f6f7ff;
}

body.theme-dark {
  color-scheme: dark;
  --bg: #0f1224;
  --card: #1a1f3d;
  --accent: #8fa1ff;
  --accent-soft: rgba(143, 161, 255, 0.18);
  --text: #f4f6ff;
  --muted: #a6afd6;
  --border: #2a3055;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  --item-bg: #151a33;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: linear-gradient(180deg, #f6f7ff 0%, #ffffff 60%, #f6fbff 100%);
  color: var(--text);
}

body.theme-dark {
  background: radial-gradient(circle at top, #1b2150 0%, #0f1224 50%, #0b0e1f 100%);
}

.page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 32px 24px 80px;
  position: relative;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  align-items: center;
  margin-bottom: 36px;
}

.hero__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.hero__content h1 {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.2;
  margin: 10px 0 12px;
}

.hero__eyebrow {
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.03em;
}

.hero__subtitle {
  color: var(--muted);
  max-width: 640px;
  line-height: 1.6;
}

.theme-toggle {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  position: absolute;
  top: 24px;
  right: 24px;
}

.hero__card {
  background: var(--card);
  border-radius: 20px;
  padding: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.hero__card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
}

.hero__card-emoji {
  font-size: 22px;
  line-height: 1.6;
  word-break: break-word;
  cursor: pointer;
}

.hero__card-note {
  color: var(--muted);
  margin-top: 12px;
  font-size: 13px;
}

.content {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.content__main {
  display: grid;
  gap: 18px;
}

.content__layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.filters {
  position: sticky;
  top: 18px;
  align-self: start;
}

.tabs {
  display: flex;
  gap: 12px;
  flex-direction: column;
  padding: 4px 0;
}

.tab {
  --tab-color: #64748b;
  --tab-rgb: 100, 116, 139;
  position: relative;
  padding: 14px 16px 14px 18px;
  border-radius: 16px;
  border: 1px solid rgba(var(--tab-rgb), 0.22);
  background: rgba(var(--tab-rgb), 0.12);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  justify-content: flex-start;
  box-shadow: 0 10px 20px -18px rgba(15, 23, 42, 0.6);
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.tab::before {
  content: attr(data-icon);
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: var(--tab-color);
  color: #fff;
  font-size: 13px;
}

.tab::after {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 6px;
  border-radius: 999px;
  background: var(--tab-color);
}

.tab[data-type="All"] { --tab-color: #64748b; --tab-rgb: 100, 116, 139; }
.tab[data-type="Kaomoji"] { --tab-color: #f97316; --tab-rgb: 249, 115, 22; }
.tab[data-type="Aesthetic Symbols"] { --tab-color: #14b8a6; --tab-rgb: 20, 184, 166; }
.tab[data-type="ASCII Art"] { --tab-color: #3b82f6; --tab-rgb: 59, 130, 246; }
.tab[data-type="Emoji Kitchen"] { --tab-color: #ec4899; --tab-rgb: 236, 72, 153; }

.tab:hover {
  border-color: rgba(var(--tab-rgb), 0.6);
  background: rgba(var(--tab-rgb), 0.2);
  transform: translateX(2px);
}

.tab.active {
  background: rgba(var(--tab-rgb), 0.9);
  color: #fff;
  border-color: transparent;
}

.tab.active::before {
  background: #fff;
  color: var(--tab-color);
}

.tab.active::after {
  background: #fff;
}

.chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
}

.chip.active {
  background: var(--accent);
  color: #fff;
}

.meta {
  color: var(--muted);
  font-size: 13px;
  margin: 6px 0 10px;
}

.recent {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.recent__label {
  font-size: 12px;
  color: var(--muted);
  margin-right: 8px;
  align-self: center;
}

.recent__item {
  padding: 6px 10px;
  border-radius: 10px;
  background: var(--item-bg);
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 14px;
}

.kitchen {
  background: var(--card);
  border-radius: 22px;
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.kitchen__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.kitchen__header h2 {
  font-size: 22px;
  margin-bottom: 6px;
}

.kitchen__header p {
  color: var(--muted);
}

.kitchen__swap {
  padding: 8px 14px;
  border-radius: 12px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.kitchen__selectors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.kitchen__panel {
  background: var(--item-bg);
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 10px;
  border: 1px solid var(--border);
}

.kitchen__label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.kitchen__selected {
  font-size: 28px;
}

.kitchen__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.kitchen__tab {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.kitchen__tab.active {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.kitchen__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(44px, 1fr));
  gap: 8px;
}

.kitchen__emoji {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px;
  font-size: 20px;
  cursor: pointer;
  text-align: center;
}

.kitchen__emoji.active {
  border-color: var(--accent);
}

.kitchen__result {
  margin-top: 18px;
  display: grid;
  gap: 8px;
}

.kitchen__result-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.kitchen__result-card {
  background: var(--item-bg);
  border-radius: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  display: grid;
  gap: 12px;
  justify-items: center;
}

.kitchen__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.kitchen__result-card img {
  width: 140px;
  height: 140px;
  object-fit: contain;
}

.kitchen__result-text {
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.kitchen__copy {
  padding: 8px 14px;
  border-radius: 12px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.kitchen__download {
  padding: 8px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
}

.hidden {
  display: none;
}

.symbol-explorer {
  background: var(--card);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.symbol-explorer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.symbol-explorer__header h2 {
  font-size: 20px;
  margin-bottom: 6px;
}

.symbol-explorer__header p {
  color: var(--muted);
}

.symbol-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.symbol-tab {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--item-bg);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  font-size: 12px;
}

.symbol-tab.active {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.symbol-explorer__meta {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 12px;
}

.symbol-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(54px, 1fr));
  gap: 10px;
}

.symbol-item {
  padding: 12px 8px;
  border-radius: 12px;
  background: var(--item-bg);
  border: 1px solid transparent;
  text-align: center;
  cursor: pointer;
  display: grid;
  gap: 6px;
}

.symbol-item:hover {
  border-color: var(--accent);
}

.symbol-item__char {
  font-size: 18px;
}

.symbol-item__code {
  font-size: 11px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border-radius: 18px;
  padding: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

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

.card__type {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-weight: 700;
}

.card__theme {
  font-size: 16px;
  font-weight: 700;
}

.items {
  display: grid;
  gap: 10px;
}

.item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--item-bg);
  cursor: pointer;
  border: 1px solid transparent;
}

.item:hover {
  border-color: var(--accent);
}

.item__text {
  font-size: 18px;
  word-break: break-word;
}

.item__hint {
  font-size: 11px;
  color: var(--muted);
}

.ascii {
  background: var(--item-bg);
  font-family: "JetBrains Mono", "Fira Mono", monospace;
  font-size: 12px;
  white-space: pre;
  padding: 12px;
  border-radius: 12px;
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #1f2450;
  color: #fff;
  padding: 12px 20px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.toast.show {
  opacity: 1;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

  .filters {
    position: static;
  }

  .tabs {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .tab {
    width: auto;
  }

  .symbol-explorer__header,
  .kitchen__header {
    flex-direction: column;
    align-items: start;
  }

  .theme-toggle {
    top: 16px;
    right: 16px;
  }
}