/* ==========================================================================
   Grade 8 Thai Poetry Learning Center - Ultra-Modern Premium Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;600;700&family=Prompt:wght@300;400;500;600;700&display=swap');

:root {
  /* Thai Cultural Palette */
  --bg-dark: #0B0F19;
  --bg-card: rgba(22, 30, 49, 0.85);
  --bg-card-hover: rgba(30, 41, 59, 0.95);
  --border-glow: rgba(245, 158, 11, 0.35);
  --border-light: rgba(255, 255, 255, 0.08);

  --accent-gold: #F59E0B;
  --accent-amber: #FCD34D;
  --accent-crimson: #E11D48;
  --accent-emerald: #10B981;
  --accent-cyan: #06B6D4;
  --accent-rose: #F43F5E;
  --accent-purple: #A855F7;

  --text-main: #F8FAFC;
  --text-muted: #94A3B8;

  /* Ultra-Modern Loopless Sans-Serif Thai Typography */
  --font-main: 'Prompt', 'Kanit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Prompt', 'Kanit', -apple-system, sans-serif;
  --font-poetic: 'Prompt', 'Kanit', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --shadow-gold: 0 0 25px rgba(245, 158, 11, 0.2);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background: var(--bg-dark);
  background-image: 
    radial-gradient(at 0% 0%, rgba(245, 158, 11, 0.1) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(225, 29, 72, 0.08) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(15, 23, 42, 0.95) 0px, var(--bg-dark) 100%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(11, 15, 25, 0.8); }
::-webkit-scrollbar-thumb { background: rgba(245, 158, 11, 0.4); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-gold); }

/* Header */
.app-header {
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 24px;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon { font-size: 2rem; }
.logo-text h1 {
  font-family: var(--font-main);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--accent-amber);
  background: linear-gradient(135deg, #FDE047, #F59E0B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.3px;
}
.logo-text span {
  font-family: var(--font-main);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.audio-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  padding: 6px 16px;
  border-radius: 20px;
  font-family: var(--font-main);
  font-size: 0.85rem;
  cursor: pointer;
}

/* Nav Tabs */
.main-nav {
  max-width: 1400px;
  margin: 20px auto 0;
  padding: 0 24px;
  display: flex;
  gap: 12px;
  overflow-x: auto;
}

.nav-tab {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-tab:hover {
  background: var(--bg-card-hover);
  color: var(--text-main);
}

.nav-tab.active {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(225, 29, 72, 0.15));
  border-color: var(--accent-gold);
  color: var(--accent-amber);
  box-shadow: var(--shadow-gold);
}

/* Main Container */
.main-container {
  max-width: 1400px;
  margin: 24px auto;
  padding: 0 24px 40px;
}

/* Rhyme Color Pair Legend Grid */
.rhyme-legend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.legend-card {
  background: rgba(15, 23, 42, 0.9);
  border: 2px solid;
  border-radius: var(--radius-md);
  padding: 16px;
}

.legend-card.color-pair-cyan { border-color: var(--accent-cyan); box-shadow: 0 0 10px rgba(6, 182, 212, 0.2); }
.legend-card.color-pair-emerald { border-color: var(--accent-emerald); box-shadow: 0 0 10px rgba(16, 185, 129, 0.2); }
.legend-card.color-pair-rose { border-color: var(--accent-rose); box-shadow: 0 0 10px rgba(244, 63, 94, 0.2); }

.legend-badge {
  font-family: var(--font-main);
  font-weight: bold;
  font-size: 0.95rem;
  margin-bottom: 4px;
}
.color-pair-cyan .legend-badge { color: var(--accent-cyan); }
.color-pair-emerald .legend-badge { color: var(--accent-emerald); }
.color-pair-rose .legend-badge { color: var(--accent-rose); }

.legend-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Lesson Cards */
.lesson-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
}

.lesson-title {
  font-family: var(--font-main);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-amber);
  margin-bottom: 12px;
}

/* Fill-in-the-Blanks Section */
.exercise-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.ex-header h2 {
  font-family: var(--font-main);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-amber);
  margin-bottom: 6px;
}

.ex-nav-container {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.ex-nav-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: #FFF;
  font-family: var(--font-main);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.ex-nav-btn:hover {
  background: rgba(245, 158, 11, 0.2);
  border-color: var(--accent-gold);
}

.ex-nav-btn.active {
  background: var(--accent-gold);
  color: #000;
  font-weight: bold;
}

/* Episode Grid System (25 Episodes) */
.episodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.episode-card-item {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px 14px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.episode-card-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-gold);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.25);
}

.episode-card-item.completed {
  border-color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.12);
}

.ep-num-title {
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent-amber);
  margin-bottom: 6px;
}

.ep-status-badge {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  display: inline-block;
}

.ep-status-badge.done {
  background: rgba(16, 185, 129, 0.2);
  color: #A7F3D0;
  border: 1px solid var(--accent-emerald);
}

.ep-status-badge.pending {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid var(--border-light);
}

/* Stanza Divider Line (4 Verses = 1 Stanza) */
.stanza-divider-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0 16px;
}

.stanza-divider-bar::before,
.stanza-divider-bar::after {
  content: '';
  flex: 1;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--accent-gold), transparent);
}

.stanza-divider-bar span {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: bold;
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.18);
  border: 1px solid var(--accent-gold);
  padding: 4px 18px;
  border-radius: 20px;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.3);
}

/* Certificate Modal Styling */
.certificate-modal-backdrop {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  overflow-y: auto;
}

.certificate-paper-card {
  background: linear-gradient(135deg, #1E1B18, #0B0F19);
  border: 8px double var(--accent-gold);
  border-radius: 24px;
  padding: 44px 36px;
  max-width: 820px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: 0 0 60px rgba(245, 158, 11, 0.35);
  color: #FFF;
}

.certificate-header-title {
  font-family: var(--font-main);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-amber);
  background: linear-gradient(135deg, #FFF, #FCD34D, #F59E0B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.poem-line-editable, .poem-line-static {
  font-family: var(--font-body);
  font-size: 1.2rem;
  line-height: 2.3;
  margin-bottom: 12px;
  padding: 12px 18px;
  background: rgba(15, 23, 42, 0.7);
  border-radius: var(--radius-md);
}

/* Inline Poem Select Dropdown Styling */
.poem-inline-select {
  background: rgba(245, 158, 11, 0.18);
  border: 2px solid var(--accent-gold);
  color: var(--accent-amber);
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: bold;
  padding: 4px 10px;
  border-radius: 8px;
  cursor: pointer;
  outline: none;
  margin: 0 6px;
  transition: var(--transition);
  display: inline-block;
  vertical-align: middle;
}

.poem-inline-select option {
  background: #0B0F19;
  color: #FFF;
}

.poem-inline-select:hover, .poem-inline-select:focus {
  background: rgba(245, 158, 11, 0.35);
  border-color: #FFF;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.poem-inline-select.correct-ans {
  background: rgba(16, 185, 129, 0.25) !important;
  border-color: var(--accent-emerald) !important;
  color: #A7F3D0 !important;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.poem-inline-select.wrong-ans {
  background: rgba(225, 29, 72, 0.25) !important;
  border-color: var(--accent-crimson) !important;
  color: #FECDD3 !important;
  box-shadow: 0 0 10px rgba(225, 29, 72, 0.4);
}

.submit-btn-container {
  text-align: center;
  margin-top: 24px;
}

/* Line Level Fill Exercises */
.poem-line-display {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.poem-line-display.is-blank-line {
  border: 2px dashed var(--accent-gold);
  background: rgba(245, 158, 11, 0.08);
}

.line-pos-tag {
  font-family: var(--font-main);
  font-size: 0.75rem;
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  padding: 4px 8px;
  border-radius: 4px;
}

.line-opt-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  color: #FFF;
  font-family: var(--font-body);
  font-size: 1.1rem;
  width: 100%;
  margin-bottom: 10px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

.line-opt-btn:hover {
  background: rgba(245, 158, 11, 0.2);
  border-color: var(--accent-gold);
}

.opt-num {
  font-family: var(--font-main);
  font-weight: bold;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

/* Studio Layout & Meta Inputs */
.studio-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
}

@media (max-width: 1200px) {
  .studio-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .poem-meta-inputs-box { grid-template-columns: 1fr !important; }
}

.grid-studio-wrapper-two-stanzas {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.stanza-block-box {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.stanza-block-title {
  font-family: var(--font-main);
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--accent-amber);
  margin-bottom: 14px;
}

.pair-row-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 14px;
}

@media (max-width: 900px) {
  .pair-row-two-col { grid-template-columns: 1fr; }
}

.grid-line-col {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px;
}

.grid-line-label {
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.grid-slots-8-row {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 5px;
}

.slot-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 3 | 2 | 3 Golden Divider Lines */
.slot-item.divider-after-3,
.slot-item.divider-after-5 {
  margin-right: 6px;
  padding-right: 6px;
}

.slot-item.divider-after-3::after,
.slot-item.divider-after-5::after {
  content: '';
  position: absolute;
  right: -4px;
  top: 15%;
  height: 70%;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--accent-gold), transparent);
  box-shadow: 0 0 8px var(--accent-gold);
  border-radius: 2px;
}

.slot-num {
  font-family: var(--font-main);
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-bottom: 2px;
  white-space: nowrap;
}

.grid-slot-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
  border: 2px solid var(--border-light);
  border-radius: 6px;
  padding: 6px 2px;
  color: #FFF;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  text-align: center;
  transition: var(--transition);
}

/* Color-Coded Borders for Rhyme Pairs */
.grid-slot-input.color-border-cyan {
  border-color: var(--accent-cyan) !important;
  background: rgba(6, 182, 212, 0.15) !important;
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.3);
}

.grid-slot-input.color-border-emerald {
  border-color: var(--accent-emerald) !important;
  background: rgba(16, 185, 129, 0.15) !important;
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.3);
}

.grid-slot-input.color-border-rose {
  border-color: var(--accent-rose) !important;
  background: rgba(244, 63, 94, 0.15) !important;
  box-shadow: 0 0 8px rgba(244, 63, 94, 0.3);
}

.grid-slot-input.color-border-purple {
  border-color: var(--accent-purple) !important;
  background: rgba(168, 85, 247, 0.15) !important;
  box-shadow: 0 0 8px rgba(168, 85, 247, 0.3);
}

.grid-slot-input.color-border-amber {
  border-color: var(--accent-gold) !important;
  background: rgba(245, 158, 11, 0.15) !important;
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.3);
}

.grid-slot-input:focus {
  outline: none;
  box-shadow: 0 0 12px #FFF;
}

/* Match Indicator Badge below slot */
.match-indicator-badge {
  font-family: var(--font-main);
  font-size: 0.58rem;
  font-weight: bold;
  margin-top: 3px;
  border-radius: 4px;
  padding: 1px 3px;
  white-space: nowrap;
}

.match-indicator-badge.matched {
  background: rgba(16, 185, 129, 0.25);
  color: #A7F3D0;
  border: 1px solid var(--accent-emerald);
}

.match-indicator-badge.waiting {
  background: rgba(245, 158, 11, 0.25);
  color: var(--accent-amber);
  border: 1px solid var(--accent-gold);
}

.primary-btn {
  background: linear-gradient(135deg, #F59E0B, #D97706);
  border: none;
  color: #000;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

/* Rhyme Analysis Card */
.rhyme-analysis-card {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  font-size: 0.9rem;
}

.detailed-report-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.report-header {
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 10px;
}

.report-title {
  font-family: var(--font-main);
  font-weight: bold;
  font-size: 1rem;
  color: var(--accent-amber);
}

.report-stars {
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--accent-gold);
  margin-top: 4px;
}

.line-eval-box {
  background: rgba(0,0,0,0.3);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 10px 14px;
}

.eval-line-title {
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.9rem;
  color: #FFF;
  margin-bottom: 4px;
}

.eval-line-body {
  font-size: 0.85rem;
  color: #CBD5E1;
  line-height: 1.6;
}

.report-footer {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid var(--accent-emerald);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.88rem;
  color: #E2E8F0;
}

/* Feedback Cards */
.feedback-card {
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin-top: 20px;
}
.feedback-card.success { background: rgba(16, 185, 129, 0.15); border: 1px solid var(--accent-emerald); }
.feedback-card.error { background: rgba(225, 29, 72, 0.15); border: 1px solid var(--accent-crimson); }
.feedback-head { font-family: var(--font-main); font-weight: bold; font-size: 1.1rem; margin-bottom: 6px; }

/* Print Media Query for Certificate */
@media print {
  body * {
    visibility: hidden;
  }
  .certificate-modal-backdrop, .certificate-paper-card, .certificate-paper-card * {
    visibility: visible;
  }
  .certificate-modal-backdrop {
    position: absolute;
    left: 0; top: 0;
    width: 100%;
    background: #FFF !important;
  }
  .certificate-paper-card {
    border: 6px solid #D97706 !important;
    background: #FFF !important;
    color: #000 !important;
    box-shadow: none !important;
  }
  .certificate-header-title {
    color: #B45309 !important;
    -webkit-text-fill-color: #B45309 !important;
  }
  .cert-no-print {
    display: none !important;
  }
}

/* ==========================================================================
   Mobile Responsive Enhancements (Portrait & Mobile Screens)
   ========================================================================== */

.sample-poem-stanza-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  text-align: left;
  margin-bottom: 12px;
}

.responsive-two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 640px) {
  /* App Header Responsive */
  .app-header {
    padding: 10px 14px;
  }
  .header-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    position: relative;
  }
  .brand-logo {
    gap: 8px;
    align-items: flex-start;
  }
  .logo-icon {
    font-size: 1.6rem;
  }
  .logo-text h1 {
    font-size: 1.2rem !important;
    white-space: normal !important;
    line-height: 1.35 !important;
  }
  .logo-text span {
    font-size: 0.7rem !important;
    line-height: 1.35 !important;
  }
  .status-bar-actions {
    position: absolute;
    right: 0;
    top: 0;
  }
  .audio-btn {
    padding: 4px 10px;
    font-size: 0.75rem;
  }

  /* Main Nav Tabs Responsive */
  .main-nav {
    padding: 0 12px;
    gap: 8px;
  }
  .nav-tab {
    padding: 10px 14px;
    font-size: 0.85rem;
    white-space: nowrap;
  }

  /* Container & Cards Responsive */
  .main-container {
    padding: 12px !important;
  }
  .exercise-card, .lesson-card {
    padding: 18px 14px !important;
    border-radius: 16px !important;
  }

  /* Sample Poem Responsive */
  .sample-poem-stanza-grid {
    grid-template-columns: 1fr;
    gap: 8px;
    text-align: center;
    font-size: 1.05rem;
  }
  .responsive-two-col-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* Editable Poem Lines Responsive */
  .poem-line-editable, .poem-line-static {
    flex-wrap: wrap;
    font-size: 0.98rem;
    padding: 8px 10px;
    line-height: 2.2;
  }
  .poem-inline-select {
    font-size: 0.9rem;
    padding: 4px 6px;
  }

  /* 8-Slot Grid Studio Responsive */
  .grid-slots-8-row {
    gap: 2px;
  }
  .grid-slot-input {
    padding: 6px 1px;
    font-size: 0.78rem;
  }
  .slot-num {
    font-size: 0.58rem;
  }
  .slot-item.divider-after-3,
  .slot-item.divider-after-5 {
    margin-right: 4px;
    padding-right: 4px;
  }

  /* Modal Dialogs Responsive */
  .certificate-paper-card {
    padding: 24px 16px !important;
  }
  .certificate-header-title {
    font-size: 1.6rem !important;
  }

  /* Floating Mobile Quick Nav Menu Popup (Mobile Only) */
  .mobile-floating-nav-container {
    display: block !important;
    position: fixed;
    bottom: 20px;
    right: 16px;
    z-index: 9999;
  }

  .mobile-floating-trigger-btn {
    background: linear-gradient(135deg, #F59E0B, #D97706);
    color: #000;
    border: 2px solid #FFF;
    border-radius: 30px;
    padding: 10px 18px;
    font-family: var(--font-main);
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5), 0 4px 12px rgba(0,0,0,0.4);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

  .mobile-floating-trigger-btn:active {
    transform: scale(0.95);
  }

  .mobile-quick-menu-popup {
    position: absolute;
    bottom: 58px;
    right: 0;
    width: 260px;
    background: rgba(15, 23, 42, 0.96);
    border: 2px solid var(--accent-gold);
    border-radius: 20px;
    padding: 14px;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 10px;
    animation: popupSlideUp 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  }

  @keyframes popupSlideUp {
    from { opacity: 0; transform: translateY(12px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }

  .mobile-quick-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-main);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-amber);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 8px;
  }

  .close-quick-menu-btn {
    background: rgba(255,255,255,0.1);
    border: none;
    color: #FFF;
    font-size: 0.9rem;
    cursor: pointer;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-quick-tab-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 10px 12px;
    color: #FFF;
    font-family: var(--font-main);
    font-size: 0.86rem;
    font-weight: 500;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
  }

  .mobile-quick-tab-btn:active {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--accent-gold);
    color: var(--accent-amber);
  }
}