@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #081315;
  --panel: #101c25;
  --panel-2: #13292d;
  --card: rgba(23, 54, 59, 0.72);
  --card-strong: rgba(17, 34, 42, 0.88);
  --border: rgba(176, 128, 75, 0.28);
  --text: #f3e7d3;
  --muted: #c9b79d;
  --accent: #a3641a;
  --accent-2: #c28a4a;
  --accent-soft: rgba(163, 100, 26, 0.18);
  --glow: rgba(163, 100, 26, 0.22);
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
}

body[data-theme="elara"] {
  --bg: #07111b;
  --panel: #0d1c2a;
  --panel-2: #10293a;
  --card: rgba(17, 41, 58, 0.74);
  --card-strong: rgba(11, 28, 40, 0.9);
  --border: rgba(126, 165, 193, 0.26);
  --text: #f2faff;
  --muted: #d2e3ef;
  --accent: #e1543b;
  --accent-2: #ff8e73;
  --accent-soft: rgba(225, 84, 59, 0.16);
  --glow: rgba(225, 84, 59, 0.24);
}

body[data-theme="nocturne"] {
  --bg: #04131b;
  --panel: #0d2028;
  --panel-2: #14313d;
  --card: rgba(20, 49, 61, 0.74);
  --card-strong: rgba(10, 24, 31, 0.9);
  --border: rgba(103, 126, 148, 0.24);
  --text: #eef4f7;
  --muted: #c3d0d6;
  --accent: #7b5f8f;
  --accent-2: #b69acd;
  --accent-soft: rgba(123, 95, 143, 0.18);
  --glow: rgba(123, 95, 143, 0.24);
}

body[data-theme="cerulean"] {
  --bg: #040915;
  --panel: #081324;
  --panel-2: #0d1c35;
  --card: rgba(13, 28, 53, 0.78);
  --card-strong: rgba(8, 19, 36, 0.92);
  --border: rgba(74, 121, 193, 0.28);
  --text: #eaf4ff;
  --muted: #b8d0ee;
  --accent: #63c0ff;
  --accent-2: #96deff;
  --accent-soft: rgba(99, 192, 255, 0.16);
  --glow: rgba(99, 192, 255, 0.22);
}

body[data-theme="twilight"] {
  --bg: #0e0916;
  --panel: #1a1226;
  --panel-2: #26183b;
  --card: rgba(38, 24, 59, 0.76);
  --card-strong: rgba(22, 12, 34, 0.92);
  --border: rgba(198, 134, 221, 0.24);
  --text: #f2edf7;
  --muted: #d8cfe2;
  --accent: #b581d3;
  --accent-2: #ddb5f0;
  --accent-soft: rgba(181, 129, 211, 0.18);
  --glow: rgba(181, 129, 211, 0.24);
}

body[data-theme="nocturne-garden"] {
  --bg: #081315;
  --panel: #101c25;
  --panel-2: #13292d;
  --card: rgba(23, 54, 59, 0.72);
  --card-strong: rgba(17, 34, 42, 0.88);
  --border: rgba(176, 128, 75, 0.28);
  --text: #f3e7d3;
  --muted: #c9b79d;
  --accent: #a3641a;
  --accent-2: #c28a4a;
  --accent-soft: rgba(163, 100, 26, 0.18);
  --glow: rgba(163, 100, 26, 0.22);
}

body[data-theme="ember-rain"] {
  --bg: #0b1318;
  --panel: #14212a;
  --panel-2: #1c2f3a;
  --card: rgba(28, 47, 58, 0.74);
  --card-strong: rgba(17, 31, 38, 0.9);
  --border: rgba(199, 138, 30, 0.28);
  --text: #f6e7c8;
  --muted: #d3bf98;
  --accent: #c78a1e;
  --accent-2: #8b462d;
  --accent-soft: rgba(199, 138, 30, 0.2);
  --glow: rgba(199, 138, 30, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 20%, transparent) 0%, transparent 28%),
    radial-gradient(circle at 18% 18%, color-mix(in srgb, var(--accent-2) 14%, transparent) 0%, transparent 24%),
    linear-gradient(160deg, var(--bg) 0%, var(--panel) 42%, var(--panel-2) 100%);
  transition: background 0.4s ease, color 0.4s ease;
  position: relative;
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

body::before {
  background:
    radial-gradient(circle at 22% 12%, color-mix(in srgb, var(--accent) 12%, transparent) 0%, transparent 18%),
    radial-gradient(circle at 78% 24%, color-mix(in srgb, var(--accent-2) 10%, transparent) 0%, transparent 20%);
  filter: blur(18px);
  opacity: 0.9;
}

body::after {
  background: linear-gradient(to bottom, rgba(255,255,255,0.02), transparent 20%, transparent 80%, rgba(255,255,255,0.015));
  opacity: 0.7;
}

a {
  color: inherit;
}

button,
select,
input,
textarea {
  font: inherit;
}

h1,
h2,
h3,
.site-header strong {
  font-family: "Cinzel", Georgia, serif;
  letter-spacing: 0.04em;
}

.site-header,
.page-shell {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: linear-gradient(to bottom, rgba(255,255,255,0.02), transparent);
  backdrop-filter: blur(14px);
}

.subtitle {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.header-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.button-link,
button {
  cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  border-radius: 999px;
  padding: 0.72rem 1rem;
  text-decoration: none;
  color: var(--text);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 10px 24px rgba(0,0,0,0.18);
  transition: transform 0.15s ease, opacity 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

button:hover,
.button-link:hover,
button:focus-visible,
.button-link:focus-visible {
  opacity: 0.98;
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 0 0 1px rgba(255,255,255,0.02), 0 0 22px var(--glow), 0 12px 28px rgba(0,0,0,0.24);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03), 0 8px 18px rgba(0,0,0,0.15);
}

.accent-button {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 88%, black 12%), color-mix(in srgb, var(--accent-2) 58%, var(--accent) 42%));
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 64%, white 6%);
}

.page-shell {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 1.5rem;
  display: grid;
  gap: 1.25rem;
}

.card {
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.015));
  background-color: var(--card);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  padding: 1.35rem;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), var(--shadow);
  overflow: visible;
}

.glow-card {
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 0 0 1px rgba(255,255,255,0.02), 0 0 30px var(--glow), var(--shadow);
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 1.25rem;
  align-items: flex-start;
  overflow: visible;
  padding-top: 1.75rem;
  padding-bottom: 1.55rem;
}

.hero h1,
.card h2,
.card h3 {
  margin-top: 0;
}

.hero h1 {
  margin: 0 0 0.8rem;
  line-height: 1.08;
  padding-top: 0.14rem;
}

.hero-copy {
  margin: 0;
  line-height: 1.5;
}

.card h2,
.card h3 {
  line-height: 1.12;
}

.hero-copy,
.card p,
.card li,
.tiny-copy {
  color: var(--muted);
}

.theme-controls {
  min-width: 220px;
}

.theme-controls label,
.control-stack label span,
.notes-label span {
  display: block;
  margin-bottom: 0.45rem;
  font-weight: 600;
  color: var(--text);
}

select,
input[type="text"],
textarea {
  width: 100%;
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  background-color: var(--card-strong);
  color: var(--text);
  padding: 0.82rem 0.95rem;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 8px 20px rgba(0,0,0,0.12);
}

select:focus,
input[type="text"]:focus,
textarea:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 44%, var(--border));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 0 0 1px rgba(255,255,255,0.02), 0 0 18px var(--glow);
}

textarea {
  min-height: 220px;
  resize: vertical;
  line-height: 1.5;
}

input[type="text"]::placeholder,
textarea::placeholder {
  color: color-mix(in srgb, var(--text) 62%, transparent);
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.9fr);
  gap: 1.25rem;
}

.control-column {
  display: grid;
  gap: 1.25rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.chip {
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.015));
  color: var(--text);
  font-size: 0.92rem;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.field-guide {
  display: grid;
  gap: 1.1rem;
}

.guide-panels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.mini-panel {
  border: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  border-radius: 18px;
  padding: 1rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.015));
  background-color: color-mix(in srgb, var(--card) 78%, transparent);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.tab-panel > .card,
.main-grid > .card,
.control-column > .card {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.section-heading-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.9rem 1.15rem;
  flex-wrap: wrap;
  margin-bottom: 0;
}

.section-heading-row h2 {
  margin: 0;
  line-height: 1.08;
  padding-top: 0.06rem;
}

.section-pill {
  flex: 0 0 auto;
  align-self: flex-start;
  margin-top: 0.08rem;
}

.card h2 {
  margin: 0;
  line-height: 1.08;
}

.card h3 {
  margin: 0 0 0.65rem;
  line-height: 1.12;
}

.band-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.tone-library,
.current-field-card,
.control-column .card {
  padding-top: 1.5rem;
}

.tone-library h2,
.control-column h2 {
  margin-bottom: 0;
}

#toneGroups {
  display: grid;
  gap: 1rem;
}

.tone-group {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 0;
}

.group-title {
  margin-top: 0;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.78rem;
  color: var(--muted);
}

.tone-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tone-card {
  border: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  border-radius: 24px;
  padding: 1rem;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  background-color: color-mix(in srgb, var(--card) 88%, transparent);
  display: grid;
  gap: 0.6rem;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 10px 20px rgba(0,0,0,0.12);
}

.tone-card:hover,
.tone-card:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 34%, var(--border));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), 0 0 18px var(--glow), 0 12px 24px rgba(0,0,0,0.18);
}

.tone-card.active {
  border-color: color-mix(in srgb, var(--accent) 55%, white 4%);
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent-soft) 100%, rgba(255,255,255,0.025)), rgba(255,255,255,0.015));
}

.tone-card-top {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: flex-start;
}

.tone-name {
  font-weight: 700;
}

.tone-frequency,
.tone-meaning,
.checkbox-copy,
.remove-button {
  color: var(--muted);
}

.tone-frequency {
  font-size: 0.92rem;
}

.tone-meaning {
  font-size: 0.92rem;
  line-height: 1.4;
}

.card-meta {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.remove-button {
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
  font-size: 0.75rem;
}

.control-stack {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.selected-tones {
  margin: 0;
}

.selected-tones h3,
.mini-panel h3 {
  margin: 0 0 0.65rem;
}

.mini-panel p,
.mini-panel ul {
  margin: 0;
}

.button-row {
  display: flex;
  gap: 0.75rem;
}

.wrap-row {
  flex-wrap: wrap;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.toggle-row input {
  width: 1rem;
  height: 1rem;
}

.checkbox-indicator {
  width: 18px;
  height: 18px;
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  flex-shrink: 0;
  background: rgba(255,255,255,0.02);
}

.checkbox-indicator.checked {
  border-color: color-mix(in srgb, var(--accent) 60%, white 4%);
  background: color-mix(in srgb, var(--accent-soft) 100%, rgba(255,255,255,0.02));
  box-shadow: 0 0 12px var(--glow);
}

#blendCenter {
  font-size: 1.8rem;
  color: var(--text);
  margin: 0.25rem 0 0;
  text-shadow: 0 0 14px color-mix(in srgb, var(--accent) 22%, transparent);
}

#exportMessage,
#notesStatus {
  min-height: 1.25rem;
}

.notes-section {
  display: grid;
  gap: 1rem;
}

.notes-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

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

.notes-stack {
  display: grid;
  gap: 1rem;
}

.notes-label {
  display: grid;
  gap: 0.45rem;
}

.notes-area {
  min-height: 280px;
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .main-grid,
  .guide-panels,
  .hero,
  .notes-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .section-heading-row {
    display: grid;
    grid-template-columns: 1fr;
    align-items: start;
  }

  .section-pill {
    margin-top: 0;
  }

  .tone-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header,
  .hero,
  .notes-header {
    display: grid;
    gap: 1rem;
  }

  .page-shell {
    padding: 1rem;
  }
}