/* ============================================================
         1. CUSTOM PROPERTIES (Design Tokens)
         ============================================================ */
:root {
  /* Colors */
  --color-bg: #0a0a0f;
  --color-surface: #111118;
  --color-surface-raised: #1a1a26;
  --color-border: rgba(255, 255, 255, 0.07);
  --color-border-hover: rgba(255, 255, 255, 0.12);
  --color-text: #f0f0f8;
  --color-text-muted: #6b6b8a;
  --color-text-dim: #3a3a55;
  --color-accent: #7c6fff;
  --color-accent-glow: rgba(124, 111, 255, 0.25);
  --color-success: #4ade80;
  --color-warning: #fbbf24;
  --color-error: #f87171;

  /* Typography */
  --font-heading: "Syne", sans-serif;
  --font-body: "Syne", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* Borders & Radius */
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-preview: 0 32px 80px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index Scale */
  --z-sticky: 100;
  --z-toast: 500;
}

/* ============================================================
         2. RESET & BASE NORMALIZATION
         ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

/* ============================================================
         3. BASE TYPOGRAPHY
         ============================================================ */
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: var(--z-toast);
  opacity: 0.6;
}

/* ============================================================
         4. LAYOUT PRIMITIVES
         ============================================================ */
.hero {
  padding: 80px 48px 60px;
  max-width: 1400px;
  margin: 0 auto;
}

.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px 120px;
}

/* ============================================================
         5. COMPONENTS
         ============================================================ */

/* ── ICON SYSTEM ── */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

.icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── HEADER ── */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(20px);
  z-index: var(--z-sticky);
}

.logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 16px var(--color-accent-glow);
  animation: pulse 2.5s ease-in-out infinite;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── HERO ── */
.hero h1 {
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -2px;
  margin-bottom: 20px;
}

.hero h1 span {
  background: linear-gradient(135deg, #7c6fff 0%, #c084fc 50%, #f0abfc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 580px;
  margin-bottom: 48px;
}

/* ── CONTROLS ── */
.controls {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-dim);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.control-label--hidden {
  opacity: 0;
}

select,
input[type="color"],
input[type="number"] {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-text);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-base);
  appearance: none;
}

select {
  padding-right: 36px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b6b8a' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-color: var(--color-surface-raised);
}

select:focus,
select:hover,
input[type="number"]:focus {
  border-color: var(--color-accent);
}

input[type="color"] {
  width: 50px;
  height: 42px;
  padding: 4px;
}

input[type="number"] {
  width: 100px;
}

.btn-generate {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #fff;
  background: linear-gradient(135deg, #7c6fff, #a855f7);
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  box-shadow: 0 4px 24px rgba(124, 111, 255, 0.35);
  height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-generate:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124, 111, 255, 0.5);
}

.btn-generate:active {
  transform: translateY(0);
}

.btn-secondary {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  height: 42px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  color: var(--color-text);
  border-color: var(--color-border-hover);
}

/* ── SECTION LABEL ── */
.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ── STATS BAR ── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--transition-base);
}

.stat-card:hover {
  border-color: var(--color-border-hover);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: -0.5px;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-dim);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* ── PALETTE MODES ── */
.palette-modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 64px;
}

.mode-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: fadeUp 0.4s ease forwards;
}

.mode-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}

.mode-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.mode-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}

.mode-icon.light {
  background: #fff;
  color: #000;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.mode-icon.dark {
  background: #111;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.color-swatches {
  display: flex;
  padding: 20px 24px;
  gap: 12px;
  flex-wrap: wrap;
}

/* ── EDITABLE SWATCH CARDS ── */
.swatch-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 80px;
}

.swatch-wrapper {
  width: 100%;
  position: relative;
}

.swatch {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
  position: relative;
  min-height: 72px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 6px;
}

.swatch:hover {
  transform: translateY(-4px) scale(1.04);
}

.swatch-edit-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
  border: none;
  background: none;
  padding: 0;
}

.lock-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.35);
  border: none;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  transition: all var(--transition-base);
  opacity: 0;
  padding: 0;
}

.lock-btn .icon {
  width: 14px;
  height: 14px;
}

.swatch-wrapper:hover .lock-btn {
  opacity: 1;
}

.lock-btn.locked {
  opacity: 1;
  color: var(--color-warning);
  background: rgba(251, 191, 36, 0.2);
}

.swatch-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.swatch-hex {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-dim);
  cursor: pointer;
  transition: color var(--transition-fast);
  padding: 2px 6px;
  border-radius: 4px;
}

.swatch-hex:hover {
  color: var(--color-accent);
  background: rgba(124, 111, 255, 0.08);
}

.swatch-contrast {
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-dim);
}

.contrast-pass {
  color: var(--color-success);
}

.contrast-fail {
  color: var(--color-error);
}

/* ── CONTRAST MATRIX ── */
.contrast-matrix {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 64px;
}

.matrix-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-border);
}

.matrix-title {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.contrast-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  padding: 20px 24px;
}

.contrast-pair {
  background: var(--color-surface-raised);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border-left: 3px solid transparent;
}

.contrast-pair.pass-aaa {
  border-left-color: #4ade80;
}
.contrast-pair.pass-aa {
  border-left-color: #7c6fff;
}
.contrast-pair.pass-lg {
  border-left-color: #fbbf24;
}
.contrast-pair.fail-pair {
  border-left-color: #f87171;
}

.cp-ratio {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 4px;
}

.cp-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.cp-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  display: inline-block;
}

/* ── EXPORT SECTION ── */
.export-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 64px;
}

.export-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-border);
  gap: 12px;
  flex-wrap: wrap;
}

.export-format-tabs {
  display: flex;
  gap: 4px;
}

.fmt-tab {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  letter-spacing: 0.5px;
}

.fmt-tab:hover {
  color: var(--color-text);
  border-color: var(--color-border-hover);
}

.fmt-tab.active {
  color: var(--color-accent);
  border-color: rgba(124, 111, 255, 0.3);
  background: rgba(124, 111, 255, 0.08);
}

.export-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn-copy {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-accent);
  background: rgba(124, 111, 255, 0.1);
  border: 1px solid rgba(124, 111, 255, 0.2);
  border-radius: 6px;
  padding: 6px 14px;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-copy:hover {
  background: rgba(124, 111, 255, 0.2);
}

.btn-copy.copied {
  color: var(--color-success);
  border-color: rgba(74, 222, 128, 0.3);
  background: rgba(74, 222, 128, 0.08);
}

.btn-copy .icon {
  width: 14px;
  height: 14px;
}

.export-code {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: #c4c4e8;
  padding: 24px;
  overflow-x: auto;
  white-space: pre;
  max-height: 320px;
  overflow-y: auto;
}

.tok-comment {
  color: #4a4a6a;
}
.tok-var {
  color: #7c6fff;
}
.tok-val {
  color: #c084fc;
}
.tok-prop {
  color: #4ade80;
}
.tok-key {
  color: #f0abfc;
}
.tok-str {
  color: #fbbf24;
}
.tok-num {
  color: #60a5fa;
}
.tok-at {
  color: #f87171;
}

/* ── PREVIEW SECTION ── */
.preview-section {
  margin-bottom: 64px;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.preview-tabs {
  display: flex;
  gap: 2px;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 4px;
}

.preview-tab {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  padding: 8px 16px;
  border: none;
  border-radius: 7px;
  cursor: pointer;
  transition: all var(--transition-base);
  background: transparent;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
}

.preview-tab .icon {
  width: 14px;
  height: 14px;
}

.preview-tab.active {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.preview-mode-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-muted);
}

.toggle-pill {
  width: 44px;
  height: 22px;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: 11px;
  cursor: pointer;
  position: relative;
  transition: background var(--transition-bounce);
  min-width: 44px;
}

.toggle-pill.dark-active {
  background: var(--color-accent);
}

.toggle-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: white;
  transition: transform var(--transition-bounce);
}

.toggle-pill.dark-active .toggle-knob {
  transform: translateX(22px);
}

.preview-frame {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-preview);
  min-height: 520px;
}

/* ── INLINE SITE PREVIEW STYLES ── */
.sp-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  border-bottom: 1px solid;
}

.sp-logo {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.sp-nav-links {
  display: flex;
  gap: 28px;
  font-size: 13px;
  font-weight: 600;
  opacity: 0.7;
}

.sp-cta-nav {
  font-size: 13px;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  min-height: 44px;
}

.sp-hero {
  padding: 60px 40px 50px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.sp-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: 1px solid;
  margin-bottom: 20px;
  font-family: var(--font-mono);
}

.sp-hero h2 {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.05;
  margin-bottom: 14px;
}

.sp-hero p {
  font-size: 13px;
  line-height: 1.7;
  opacity: 0.65;
  margin-bottom: 24px;
  max-width: 420px;
}

.sp-hero-btns {
  display: flex;
  gap: 12px;
  align-items: center;
}

.sp-btn-primary {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: 9px;
  border: none;
  cursor: pointer;
  min-height: 44px;
}

.sp-btn-outline {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  padding: 11px 24px;
  border-radius: 9px;
  cursor: pointer;
  background: transparent;
  border: 1.5px solid;
  opacity: 0.7;
  min-height: 44px;
}

.sp-card-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sp-card {
  padding: 16px 18px;
  border-radius: 12px;
  border: 1px solid;
  display: flex;
  align-items: center;
  gap: 14px;
}

.sp-card-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.sp-card-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 3px;
}

.sp-card-desc {
  font-size: 12px;
  opacity: 0.55;
}

.sp-section {
  padding: 50px 40px;
  border-top: 1px solid;
}

.sp-section-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.8px;
  margin-bottom: 8px;
}

.sp-section-sub {
  font-size: 13px;
  opacity: 0.55;
  margin-bottom: 28px;
}

.sp-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.sp-feature {
  padding: 22px;
  border-radius: 12px;
  border: 1px solid;
}

.sp-feature-num {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1px;
  opacity: 0.4;
  margin-bottom: 10px;
}

.sp-feature-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}

.sp-feature-text {
  font-size: 12px;
  line-height: 1.6;
  opacity: 0.55;
}

.sp-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 11px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.sp-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 6px;
}

.sp-footer {
  padding: 24px 40px;
  border-top: 1px solid;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  opacity: 0.4;
}

.sp-input-row {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  align-items: center;
}

.sp-input {
  font-family: var(--font-body);
  font-size: 13px;
  flex: 1;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1.5px solid;
  outline: none;
  background: transparent;
}

/* ── DASHBOARD PREVIEW ── */
.sp-dashboard {
  display: flex;
  height: 100%;
  min-height: 520px;
}

.sp-sidebar {
  width: 180px;
  flex-shrink: 0;
  padding: 24px 20px;
}

.sp-sidebar-logo {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 28px;
  opacity: 0.9;
}

.sp-nav-item {
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
  cursor: pointer;
  opacity: 0.7;
}

.sp-nav-item.sp-active {
  opacity: 1;
  background: rgba(255, 255, 255, 0.12);
}

.sp-content {
  flex: 1;
  padding: 28px;
  overflow: hidden;
}

.sp-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.sp-stat {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid;
}

.sp-stat-num {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 2px;
}

.sp-stat-lbl {
  font-size: 11px;
  opacity: 0.55;
}

.sp-table {
  border-radius: var(--radius-md);
  border: 1px solid;
  overflow: hidden;
}

.sp-table-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 16px;
  border-bottom: 1px solid;
  font-size: 12px;
}

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

.sp-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 20px;
}

/* ── FORM PREVIEW ── */
.sp-form-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  min-height: 520px;
}

.sp-form-card {
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid;
  width: 100%;
  max-width: 380px;
}

.sp-form-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}

.sp-form-sub {
  font-size: 12px;
  opacity: 0.55;
  margin-bottom: 24px;
}

.sp-field {
  margin-bottom: 14px;
}

.sp-field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 5px;
  opacity: 0.7;
}

.sp-field input {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1.5px solid;
  font-size: 13px;
  outline: none;
  background: transparent;
}

.sp-divider {
  text-align: center;
  font-size: 11px;
  opacity: 0.4;
  margin: 16px 0;
}

.sp-soc-btn {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1.5px solid;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  margin-bottom: 10px;
  min-height: 44px;
}

.sp-form-link {
  font-size: 12px;
  text-align: center;
  margin-top: 16px;
  opacity: 0.55;
}

/* ── CARDS PREVIEW ── */
.sp-cards-grid {
  padding: 32px 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.sp-card2 {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid;
}

.sp-card2-img {
  height: 130px;
}

.sp-card2-body {
  padding: 16px;
}

.sp-card2-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}

.sp-card2-text {
  font-size: 12px;
  opacity: 0.55;
  margin-bottom: 12px;
  line-height: 1.5;
}

/* ── THEORY CARDS ── */
.theory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 64px;
}

.theory-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  animation: fadeUp 0.4s ease forwards;
}

.theory-card-icon {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-surface-raised);
}

.theory-card-icon .icon {
  width: 18px;
  height: 18px;
}

.theory-card-title {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.theory-card-text {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(80px);
  opacity: 0;
  transition: all var(--transition-bounce);
  z-index: var(--z-toast);
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  flex-shrink: 0;
}

/* ── HARMONY INFO BAR ── */
.harmony-info-bar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 48px;
  max-width: 700px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.harmony-info-bar .icon {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
}

/* ── EMPTY STATE ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 40px;
  gap: 16px;
  color: var(--color-text-dim);
  text-align: center;
}

.empty-state-icon {
  width: 48px;
  height: 48px;
  opacity: 0.3;
  color: var(--color-accent);
}

.empty-state-icon .icon {
  width: 100%;
  height: 100%;
}

.empty-state-text {
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--color-text-dim);
  border-radius: 3px;
}

/* ============================================================
         6. UTILITY CLASSES
         ============================================================ */
.fade-in {
  animation: fadeUp 0.4s ease forwards;
}
.fade-in-1 {
  animation: fadeUp 0.4s ease 0.05s forwards;
  opacity: 0;
}
.fade-in-2 {
  animation: fadeUp 0.4s ease 0.1s forwards;
  opacity: 0;
}
.fade-in-3 {
  animation: fadeUp 0.4s ease 0.15s forwards;
  opacity: 0;
}
.fade-in-4 {
  animation: fadeUp 0.4s ease 0.2s forwards;
  opacity: 0;
}
.fade-in-5 {
  animation: fadeUp 0.4s ease 0.25s forwards;
  opacity: 0;
}
.fade-in-6 {
  animation: fadeUp 0.4s ease 0.3s forwards;
  opacity: 0;
}

/* ============================================================
         7. ANIMATIONS & KEYFRAMES
         ============================================================ */
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(0.85);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
         8. MEDIA QUERIES (Mobile-first)
         ============================================================ */

/* ── 768px — tablet portrait ── */
@media (min-width: 768px) {
  .stats-bar {
    grid-template-columns: repeat(4, 1fr);
  }
  .palette-modes {
    grid-template-columns: 1fr 1fr;
  }
  .theory-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .sp-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .sp-feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .sp-hero {
    grid-template-columns: 1fr 1fr;
  }
  .sp-dashboard {
    flex-direction: row;
  }
  .sp-sidebar {
    width: 180px;
    display: block;
    padding: 24px 20px;
  }
}

/* Base (mobile-first) overrides for small screens */
@media (max-width: 767px) {
  .site-header {
    padding: 20px 24px;
  }

  .hero {
    padding: 48px 24px 40px;
  }

  .hero h1 {
    font-size: clamp(32px, 8vw, 48px);
    letter-spacing: -1px;
  }

  .main-content {
    padding-left: 24px;
    padding-right: 24px;
    padding-bottom: 80px;
  }

  .controls {
    gap: 12px;
    margin-bottom: 40px;
  }

  .stats-bar {
    grid-template-columns: 1fr 1fr;
  }

  .palette-modes {
    grid-template-columns: 1fr;
  }

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

  .sp-hero {
    grid-template-columns: 1fr;
    padding: 32px 24px 28px;
  }

  .sp-feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sp-cards-grid {
    grid-template-columns: 1fr 1fr;
    padding: 20px 24px;
  }

  .sp-dashboard {
    flex-direction: column;
  }

  .sp-sidebar {
    width: 100%;
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 12px 20px;
  }

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

  .preview-tabs {
    flex-wrap: wrap;
  }

  .export-format-tabs {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .theory-grid {
    grid-template-columns: 1fr;
  }

  .sp-cards-grid {
    grid-template-columns: 1fr;
  }

  .sp-feature-grid {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    grid-template-columns: 1fr;
  }

  .sp-nav-links {
    display: none;
  }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html {
    scroll-behavior: auto;
  }
}