/* ==========================================================
   SUNO PROMPT STUDIO PRO — MODERN DARK LUXURY DESIGN SYSTEM
   ========================================================== */

:root {
  --bg-main: #0a0d0f;
  --bg-surface: #111619;
  --bg-card: #151b1f;
  --bg-card-hover: #1c242a;
  --bg-glass: rgba(21, 27, 31, 0.75);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.12);
  --border-glow: rgba(46, 213, 115, 0.4);
  
  --primary: #2ed573;
  --primary-hover: #26af5f;
  --primary-glow: rgba(46, 213, 115, 0.25);
  
  --accent-cyan: #00d2d3;
  --accent-purple: #9b59b6;
  --accent-orange: #ff9f43;
  --accent-red: #ff4757;
  
  --text-main: #f1f2f6;
  --text-muted: #a4b0be;
  --text-dim: #747d8c;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  
  --font-title: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Ambient glow */
.ambient-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
}
.glow-top-left {
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, var(--primary), transparent 70%);
}
.glow-top-right {
  top: 50px;
  right: -100px;
  background: radial-gradient(circle, var(--accent-cyan), transparent 70%);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-title);
  color: #ffffff;
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 13, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 0;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #05140b;
  box-shadow: 0 4px 16px var(--primary-glow);
}
.logo-text {
  display: flex;
  flex-direction: column;
}
.brand-title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.05em;
  color: #ffffff;
}
.brand-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.1em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  padding: 5px 8px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
  cursor: pointer;
}
.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}
.nav-link.active {
  color: #05140b;
  background: var(--primary);
  font-weight: 700;
  box-shadow: 0 2px 10px var(--primary-glow);
}
.fav-count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  background: var(--accent-red);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
}

/* Hero Section */
.hero-section {
  padding: 50px 0 30px;
  text-align: center;
}
.hero-container {
  max-width: 900px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(46, 213, 115, 0.1);
  border: 1px solid rgba(46, 213, 115, 0.25);
  border-radius: 30px;
  color: var(--primary);
  font-size: 12.5px;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 20px;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(46, 213, 115, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(46, 213, 115, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(46, 213, 115, 0); }
}

.hero-title {
  font-size: 46px;
  line-height: 1.15;
  margin-bottom: 18px;
}
.gradient-text {
  background: linear-gradient(135deg, #ffffff 20%, var(--primary) 70%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 35px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 16px;
  border-radius: var(--radius-md);
  text-align: center;
}
.metric-val {
  font-family: var(--font-title);
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}
.metric-label {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Sections */
.main-content {
  padding-bottom: 80px;
}
.app-section {
  display: none;
}
.app-section.active {
  display: block;
}

/* Filter Panel */
.filter-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 26px;
  margin-bottom: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}
.search-box-wrapper {
  position: relative;
  margin-bottom: 22px;
}
.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}
.search-input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 16px 20px 16px 52px;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 16px;
  transition: var(--transition);
  outline: none;
}
.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: var(--bg-main);
}
.clear-search-btn {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-muted);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}
.clear-search-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.filters-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.filter-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.filter-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  min-width: 70px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1;
}
.chip {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
}
.chip:hover {
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  background: var(--bg-card-hover);
}
.chip.active {
  background: rgba(46, 213, 115, 0.15);
  border-color: var(--primary);
  color: var(--primary);
}
.chip-mood.active {
  background: rgba(0, 210, 211, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}
.results-count {
  font-size: 14px;
  color: var(--text-muted);
}
.highlight-count {
  color: var(--primary);
  font-weight: 800;
  font-family: var(--font-mono);
}
.sort-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--text-dim);
}
.custom-select {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  outline: none;
  font-family: var(--font-body);
  font-size: 13.5px;
  cursor: pointer;
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

/* Artist Card */
.artist-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.artist-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: var(--transition);
}
.artist-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-card);
  background: var(--bg-card-hover);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}
.artist-card:hover::before {
  opacity: 1;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}
.card-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.badge-era {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 4px;
  color: var(--text-muted);
}
.badge-country {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 6px;
  background: rgba(46, 213, 115, 0.12);
  color: var(--primary);
  border-radius: 4px;
}
.badge-genre {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  background: rgba(0, 210, 211, 0.12);
  color: var(--accent-cyan);
  border-radius: 4px;
}
.card-fav-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 4px;
  transition: var(--transition);
  font-size: 18px;
}
.card-fav-btn:hover {
  color: var(--accent-red);
  transform: scale(1.15);
}
.card-fav-btn.active {
  color: var(--accent-red);
}

.card-artist-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-artist-title:hover {
  color: var(--primary);
}

.card-bpm-info {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 14px;
}

.card-prompt-snippet {
  background: var(--bg-main);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  color: #c8d6e5;
  margin-bottom: 16px;
  flex-grow: 1;
  word-break: break-word;
  position: relative;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 18px;
}
.card-tag {
  font-size: 11px;
  background: rgba(255, 255, 255, 0.04);
  padding: 2px 7px;
  border-radius: 4px;
  color: var(--text-dim);
}

.card-bottom-actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
}
.btn-copy-card {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(46, 213, 115, 0.12);
  border: 1px solid rgba(46, 213, 115, 0.3);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.btn-copy-card:hover {
  background: var(--primary);
  color: #05140b;
  box-shadow: 0 4px 14px var(--primary-glow);
}
.btn-view-card {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.btn-view-card:hover {
  background: var(--bg-card);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

/* Pagination */
.pagination-wrapper {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.pagination-info {
  font-size: 13px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.btn-primary {
  background: var(--primary);
  color: #05140b;
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 18px var(--primary-glow);
}
.btn-secondary {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  color: #ffffff;
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.3);
}
.btn-outline-glow {
  background: rgba(46, 213, 115, 0.08);
  border: 1px solid rgba(46, 213, 115, 0.3);
  color: var(--primary);
  padding: 8px 16px;
  border-radius: var(--radius-md);
}
.btn-outline-glow:hover {
  background: var(--primary);
  color: #05140b;
  box-shadow: 0 4px 16px var(--primary-glow);
}
.btn-block {
  width: 100%;
}
.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
}
.btn-sm {
  padding: 6px 12px;
  font-size: 12.5px;
}

/* BUILDER TAB */
.builder-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 36px;
}
.builder-header h2 {
  font-size: 32px;
  margin-bottom: 10px;
}
.builder-header p {
  color: var(--text-muted);
}
.builder-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 30px;
  align-items: start;
}
.builder-controls {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.builder-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  gap: 16px;
}
.builder-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(46, 213, 115, 0.15);
  color: var(--primary);
  border: 1px solid rgba(46, 213, 115, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-mono);
  font-size: 14px;
  flex-shrink: 0;
}
.builder-step-content {
  flex: 1;
}
.builder-label {
  display: block;
  font-weight: 700;
  font-size: 15px;
  color: #ffffff;
  margin-bottom: 12px;
}
.builder-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.btn-opt {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
}
.btn-opt:hover {
  background: var(--bg-card-hover);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}
.btn-opt.active {
  background: rgba(46, 213, 115, 0.15);
  border-color: var(--primary);
  color: var(--primary);
}
.bpm-slider-wrap {
  background: var(--bg-card);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}
.bpm-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 13.5px;
}
.bpm-header strong {
  color: var(--primary);
  font-family: var(--font-mono);
}
.bpm-mood-hint {
  color: var(--text-dim);
  font-size: 12px;
}
#builderBpmInput {
  width: 100%;
  accent-color: var(--primary);
}

.builder-preview-col {
  position: sticky;
  top: 90px;
}
.sticky-preview-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.preview-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.preview-title {
  font-weight: 700;
  font-size: 15px;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.preview-wordcount {
  font-size: 11.5px;
  color: var(--primary);
  font-family: var(--font-mono);
}
.prompt-text-display {
  background: var(--bg-main);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: #e2e8f0;
  min-height: 140px;
  word-break: break-word;
  margin-bottom: 20px;
}
.preview-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.suno-field-tip {
  margin-top: 20px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  display: flex;
  gap: 10px;
  font-size: 12.5px;
  color: var(--text-muted);
}
.tip-icon {
  font-size: 18px;
}

/* STRUCTURE TAB */
.structure-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 24px;
  align-items: stretch;
}
.structure-sidebar {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 20px;
}
.side-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
  color: var(--text-muted);
}
.preset-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.preset-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
}
.preset-btn:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
}
.preset-btn.active {
  background: rgba(46, 213, 115, 0.12);
  border-color: var(--primary);
}
.preset-name {
  font-weight: 700;
  font-size: 14px;
  color: #ffffff;
  margin-bottom: 4px;
}
.preset-desc {
  font-size: 11.5px;
  color: var(--text-dim);
  line-height: 1.4;
}

.structure-editor {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.editor-title {
  font-weight: 700;
  font-size: 15px;
  color: #ffffff;
}
.code-textarea {
  width: 100%;
  background: var(--bg-main);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: #2ed573;
  resize: vertical;
  outline: none;
  flex-grow: 1;
}
.code-textarea:focus {
  border-color: var(--primary);
}
.tags-helper {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.tag-badge {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 5px 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}
.tag-badge:hover {
  background: rgba(46, 213, 115, 0.15);
  border-color: var(--primary);
  color: var(--primary);
}

/* GUIDE TAB */
.guide-container {
  max-width: 1000px;
  margin: 0 auto;
}
.guide-hero {
  text-align: center;
  margin-bottom: 40px;
}
.guide-hero h2 {
  font-size: 34px;
  margin-bottom: 10px;
}
.guide-hero p {
  color: var(--text-muted);
}
.guide-articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.guide-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 26px;
  position: relative;
}
.guide-num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 800;
  color: rgba(46, 213, 115, 0.3);
  margin-bottom: 8px;
}
.guide-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}
.guide-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}
.guide-card code {
  background: var(--bg-main);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  color: var(--primary);
  font-size: 12.5px;
}

/* FAVORITES TAB */
.fav-header {
  margin-bottom: 24px;
}
.empty-fav-state {
  text-align: center;
  padding: 80px 20px;
  background: var(--bg-surface);
  border: 1px dashed var(--border-card);
  border-radius: var(--radius-xl);
}
.empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
}
.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
}
.modal-close:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}
.modal-body {
  padding: 32px;
}
.modal-title {
  font-size: 28px;
  margin-bottom: 6px;
}
.modal-meta-row {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.modal-section-title {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  font-family: var(--font-mono);
  margin-bottom: 8px;
}
.modal-prompt-block {
  background: var(--bg-main);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: #2ed573;
  margin-bottom: 24px;
  word-break: break-word;
}
.modal-steps-list {
  padding-left: 20px;
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: 14px;
}
.modal-steps-list li {
  margin-bottom: 8px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 2000;
  background: var(--primary);
  color: #05140b;
  font-weight: 700;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(46, 213, 115, 0.4);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  padding: 40px 0;
  color: var(--text-dim);
}
.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-logo {
  font-family: var(--font-title);
  font-weight: 800;
  color: #ffffff;
  font-size: 18px;
  margin-bottom: 6px;
}
.footer-links {
  display: flex;
  gap: 20px;
  margin-bottom: 8px;
}
.footer-links a:hover {
  color: var(--primary);
}

/* Responsive */
@media (max-width: 1024px) {
  .builder-layout {
    grid-template-columns: 1fr;
  }
  .builder-preview-col {
    position: static;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 32px;
  }
  .structure-grid {
    grid-template-columns: 1fr;
  }
  .guide-articles-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    overflow-x: auto;
    max-width: 100%;
  }
}