/* ==========================================================================
   TEACH TODAY — 10 DISTINCT AUTHENTIC INTERFACE TEMPLATES ENGINE
   Zero external font/CDN dependencies (100% self-contained & offline-safe)
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --surface-alt: #F1F5F9;
  --border: #E2E8F0;
  --border-width: 1px;
  --text: #0F172A;
  --muted: #64748B;
  --accent: #6D28D9;
  --accent-contrast: #FFFFFF;
  --badge-bg: #EDE9FE;
  --badge-text: #5B21B6;
  --radius-card: 12px;
  --radius-btn: 8px;
  --font-heading: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --shadow-card: 0 6px 22px rgba(15, 23, 42, 0.06);
  --shadow-btn: none;
  --cols: 3;
  --card-ratio: 16 / 9;
}

/* --------------------------------------------------------------------------
   01. IVY LECTURE HALL (University OpenCourseWare)
   -------------------------------------------------------------------------- */
[data-template="academic-ivy"] {
  --bg: #FAF8F5;
  --surface: #FFFFFF;
  --surface-alt: #F2EFE9;
  --border: #DDD6CC;
  --text: #14213D;
  --muted: #5C6470;
  --accent: #991B1B;
  --accent-contrast: #FFFFFF;
  --badge-bg: #FEE2E2;
  --badge-text: #991B1B;
  --radius-card: 6px;
  --radius-btn: 4px;
  --font-heading: Georgia, "Playfair Display", "Times New Roman", serif;
  --shadow-card: 0 4px 16px rgba(20, 33, 61, 0.05);
}

/* --------------------------------------------------------------------------
   02. NOIR MASTERCLASS CINEMA (Obsidian & Champagne Gold)
   -------------------------------------------------------------------------- */
[data-template="masterclass-cinema"] {
  --bg: #09090B;
  --surface: #131318;
  --surface-alt: #1C1C24;
  --border: rgba(255, 255, 255, 0.1);
  --text: #FAFAFA;
  --muted: #A1A1AA;
  --accent: #E5B84B;
  --accent-contrast: #09090B;
  --badge-bg: rgba(229, 184, 75, 0.16);
  --badge-text: #FCD34D;
  --radius-card: 14px;
  --radius-btn: 8px;
  --shadow-card: 0 20px 44px rgba(0, 0, 0, 0.65);
}

/* --------------------------------------------------------------------------
   03. TERMINAL DEV BOOTCAMP (Dark Slate IDE & Electric Cyan)
   -------------------------------------------------------------------------- */
[data-template="dev-bootcamp"] {
  --bg: #0B0F19;
  --surface: #111827;
  --surface-alt: #1E293B;
  --border: #243044;
  --text: #F1F5F9;
  --muted: #94A3B8;
  --accent: #06B6D4;
  --accent-contrast: #042F2E;
  --badge-bg: rgba(6, 182, 212, 0.15);
  --badge-text: #22D3EE;
  --radius-card: 10px;
  --radius-btn: 6px;
  --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.45);
}

/* --------------------------------------------------------------------------
   04. NOTION KNOWLEDGE WORKSPACE (Minimalist Gallery & Workbook)
   -------------------------------------------------------------------------- */
[data-template="notion-minimal"] {
  --bg: #FFFFFF;
  --surface: #FFFFFF;
  --surface-alt: #F7F6F3;
  --border: #E8E7E4;
  --text: #37352F;
  --muted: #787774;
  --accent: #2383E2;
  --accent-contrast: #FFFFFF;
  --badge-bg: #EDF3EC;
  --badge-text: #2B593F;
  --radius-card: 8px;
  --radius-btn: 6px;
  --shadow-card: 0 1px 3px rgba(15, 15, 15, 0.04);
}

/* --------------------------------------------------------------------------
   05. SKILLBAZAAR PRO MARKETPLACE (Udemy / Coursera Royal Purple)
   -------------------------------------------------------------------------- */
[data-template="udemy-marketplace"] {
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --surface-alt: #F1F5F9;
  --border: #CBD5E1;
  --text: #0F172A;
  --muted: #475569;
  --accent: #6D28D9;
  --accent-contrast: #FFFFFF;
  --badge-bg: #ECEB98;
  --badge-text: #3D3C0A;
  --radius-card: 8px;
  --radius-btn: 6px;
  --shadow-card: 0 4px 14px rgba(15, 23, 42, 0.06);
}

/* --------------------------------------------------------------------------
   06. BAUHAUS NEO-STUDIO (Gumroad / Figma Tactile Neo-Brutalism)
   -------------------------------------------------------------------------- */
[data-template="dribbble-studio"] {
  --bg: #FFFDF7;
  --surface: #FFFFFF;
  --surface-alt: #FEF3C7;
  --border: #111827;
  --border-width: 2px;
  --text: #111827;
  --muted: #374151;
  --accent: #FF5A36;
  --accent-contrast: #FFFFFF;
  --badge-bg: #D9F99D;
  --badge-text: #111827;
  --radius-card: 16px;
  --radius-btn: 10px;
  --shadow-card: 5px 5px 0px #111827;
  --shadow-btn: 3px 3px 0px #111827;
}

/* --------------------------------------------------------------------------
   07. AL-ILM SERENE ACADEMY (Dignified Alabaster, Emerald & Gold)
   -------------------------------------------------------------------------- */
[data-template="emerald-ilm"] {
  --bg: #F6F8F5;
  --surface: #FFFFFF;
  --surface-alt: #ECF2EE;
  --border: #D5E0D7;
  --text: #0F291E;
  --muted: #4E6358;
  --accent: #047857;
  --accent-contrast: #FFFFFF;
  --badge-bg: #FEF3C7;
  --badge-text: #92400E;
  --radius-card: 16px;
  --radius-btn: 10px;
  --font-heading: Georgia, "Palatino Linotype", serif;
  --shadow-card: 0 8px 24px rgba(6, 78, 59, 0.06);
}

/* --------------------------------------------------------------------------
   08. AURORA NEOGLASS AI LAB (Cosmic Mesh & Frosted Spatial Glass)
   -------------------------------------------------------------------------- */
[data-template="neoglass-ai"] {
  --bg: #060814;
  --surface: rgba(17, 24, 48, 0.72);
  --surface-alt: rgba(30, 41, 78, 0.55);
  --border: rgba(255, 255, 255, 0.13);
  --text: #F8FAFC;
  --muted: #94A3B8;
  --accent: #6366F1;
  --accent-contrast: #FFFFFF;
  --badge-bg: rgba(99, 102, 241, 0.22);
  --badge-text: #C7D2FE;
  --radius-card: 20px;
  --radius-btn: 999px;
  --shadow-card: 0 18px 42px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   09. EXECUTIVE BRIEFING JOURNAL (Financial Times Warm Salmon Broadsheet)
   -------------------------------------------------------------------------- */
[data-template="executive-mba"] {
  --bg: #F4EFE6;
  --surface: #FBF9F5;
  --surface-alt: #EAE2D6;
  --border: #CFC6B8;
  --text: #111827;
  --muted: #57534E;
  --accent: #0F766E;
  --accent-contrast: #FFFFFF;
  --badge-bg: #CCFBF1;
  --badge-text: #115E59;
  --radius-card: 3px;
  --radius-btn: 3px;
  --font-heading: Georgia, "Times New Roman", serif;
  --shadow-card: none;
}

/* --------------------------------------------------------------------------
   10. PULSE MOBILE COHORT HUB (Story Rings + 4-Segment Progress App)
   -------------------------------------------------------------------------- */
[data-template="creator-reels-hub"] {
  --bg: #F1F5F9;
  --surface: #FFFFFF;
  --surface-alt: #EFF6FF;
  --border: #E2E8F0;
  --text: #0F172A;
  --muted: #64748B;
  --accent: #2563EB;
  --accent-contrast: #FFFFFF;
  --badge-bg: #DBEAFE;
  --badge-text: #1D4ED8;
  --radius-card: 22px;
  --radius-btn: 999px;
  --shadow-card: 0 8px 24px rgba(15, 23, 42, 0.06);
}

/* ==========================================================================
   BASE DOCUMENT & AURORA BACKDROP
   ========================================================================== */
html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

#aurora-backdrop {
  display: none;
}

[data-template="neoglass-ai"] #aurora-backdrop {
  display: block;
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.22), transparent 42%),
    radial-gradient(circle at 85% 12%, rgba(168, 85, 247, 0.18), transparent 40%),
    radial-gradient(circle at 50% 85%, rgba(14, 165, 233, 0.14), transparent 48%);
}

#app-root {
  position: relative;
  z-index: 1;
}

.tt-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 18px;
}

[data-template="notion-minimal"] .tt-container {
  max-width: 1040px;
}

/* ==========================================================================
   ANNOUNCEMENT RIBBON
   ========================================================================== */
.tt-announcement {
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 8px 16px;
  font-size: 0.84rem;
  font-weight: 600;
  text-align: center;
}

[data-template="academic-ivy"] .tt-announcement {
  background: #14213D;
  color: #FFFFFF;
  letter-spacing: 0.03em;
}

[data-template="dribbble-studio"] .tt-announcement {
  background: #FACC15;
  color: #111827;
  border-bottom: 2px solid #111827;
  font-weight: 800;
}

[data-template="emerald-ilm"] .tt-announcement {
  background: linear-gradient(90deg, #064E3B, #047857, #064E3B);
  color: #FEF3C7;
  border-bottom: 2px solid #D97706;
}

.tt-ann-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.22);
  font-size: 0.72rem;
  font-weight: 800;
  margin-right: 8px;
  letter-spacing: 0.06em;
}

[data-template="dribbble-studio"] .tt-ann-badge {
  background: #111827;
  color: #FFFFFF;
}

/* ==========================================================================
   HEADER / NAVIGATION ARCHITECTURES
   ========================================================================== */
.tt-header {
  background: var(--surface);
  border-bottom: var(--border-width) solid var(--border);
  position: sticky;
  top: 0;
  z-index: 40;
  transition: background 0.2s ease;
}

[data-template="neoglass-ai"] .tt-header {
  background: transparent;
  border-bottom: none;
  padding-top: 12px;
}

[data-template="neoglass-ai"] .tt-header-inner {
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 10px 20px;
  max-width: 1040px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

[data-template="dribbble-studio"] .tt-header {
  background: transparent;
  border-bottom: none;
  padding: 12px 0 4px;
}

[data-template="dribbble-studio"] .tt-header-inner {
  background: #FFFFFF;
  border: 2px solid #111827;
  border-radius: 14px;
  box-shadow: 4px 4px 0px #111827;
  padding: 10px 18px;
}

[data-template="executive-mba"] .tt-header {
  border-top: 3px solid #111827;
  border-bottom: 1px solid #111827;
  background: #FBF9F5;
}

[data-template="masterclass-cinema"] .tt-header {
  background: rgba(9, 9, 11, 0.88);
  backdrop-filter: blur(14px);
}

.tt-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  max-width: 1200px;
  margin: 0 auto;
}

.tt-header-inner.nav-center {
  flex-direction: column;
  text-align: center;
  padding: 14px 18px;
}

.tt-header-inner.nav-left {
  justify-content: flex-start;
}

.tt-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
}

.tt-logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-contrast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

[data-template="academic-ivy"] .tt-logo-mark {
  background: #14213D;
  border-radius: 4px;
  font-family: var(--font-heading);
  border: 1px solid #991B1B;
}

[data-template="dribbble-studio"] .tt-logo-mark {
  border: 2px solid #111827;
  box-shadow: 2px 2px 0 #111827;
}

[data-template="dev-bootcamp"] .tt-logo-mark {
  font-family: var(--font-mono);
  border-radius: 6px;
}

.tt-brand-text {
  display: flex;
  flex-direction: column;
}

.tt-brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.22rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

[data-template="executive-mba"] .tt-brand-name {
  font-size: 1.55rem;
  letter-spacing: -0.01em;
}

.tt-brand-sub {
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 500;
}

[data-template="dev-bootcamp"] .tt-brand-sub {
  font-family: var(--font-mono);
  color: var(--accent);
}

.tt-nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  max-width: 440px;
  justify-content: flex-end;
}

.tt-search-wrap {
  position: relative;
  width: 100%;
  max-width: 320px;
}

.tt-search-input {
  width: 100%;
  padding: 9px 14px 9px 36px;
  border-radius: var(--radius-btn);
  border: var(--border-width) solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.15s;
}

.tt-search-input:focus {
  border-color: var(--accent);
}

.tt-search-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--muted);
  pointer-events: none;
}

/* Udemy Marketplace Second Tier Category Ribbon */
.tt-subnav-strip {
  display: none;
}

[data-template="udemy-marketplace"] .tt-subnav-strip,
[data-template="executive-mba"] .tt-subnav-strip {
  display: block;
  border-top: 1px solid var(--border);
  background: var(--surface);
  overflow-x: auto;
}

.tt-subnav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 18px;
  display: flex;
  gap: 18px;
  white-space: nowrap;
}

.tt-subnav-link {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 2px;
  border-bottom: 2px solid transparent;
}

.tt-subnav-link.active,
.tt-subnav-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ==========================================================================
   HERO SECTION ARCHITECTURES
   ========================================================================== */
.tt-hero-section {
  padding: 36px 0 24px;
}

.tt-hero-box {
  background: var(--surface);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.tt-hero-box.align-center {
  text-align: center;
}

.tt-hero-box.align-center .tt-hero-sub {
  margin-left: auto;
  margin-right: auto;
}

.tt-hero-box.align-center .tt-hero-actions {
  justify-content: center;
}

/* Template-Specific Hero Flavors */
[data-template="masterclass-cinema"] .tt-hero-box {
  background:
    radial-gradient(circle at 80% 25%, rgba(229, 184, 75, 0.16), transparent 50%),
    linear-gradient(135deg, #121217 0%, #09090B 100%);
  padding: 48px 36px;
}

[data-template="emerald-ilm"] .tt-hero-box {
  background-color: #064E3B;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64' viewBox='0 0 64 64'%3E%3Cpath d='M32 4l6 18 18-6-6 18 18 6-18 6 6 18-18-6-6 18-6-18-18 6 6-18-18-6 18-6-6-18 18 6z' fill='none' stroke='%23ffffff' stroke-opacity='0.06' stroke-width='1.2'/%3E%3C/svg%3E");
  color: #FFFFFF;
  border-color: #065F46;
}

[data-template="emerald-ilm"] .tt-hero-sub {
  color: rgba(255, 255, 255, 0.84) !important;
}

[data-template="emerald-ilm"] .tt-hero-eyebrow {
  background: rgba(254, 243, 199, 0.16);
  color: #FDE68A;
}

[data-template="creator-reels-hub"] .tt-hero-box {
  background: linear-gradient(135deg, var(--accent) 0%, #4F46E5 100%);
  color: #FFFFFF;
  border: none;
  padding: 28px 26px;
}

[data-template="creator-reels-hub"] .tt-hero-sub {
  color: rgba(255, 255, 255, 0.9) !important;
}

[data-template="creator-reels-hub"] .tt-hero-eyebrow {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

[data-template="creator-reels-hub"] .tt-btn-primary.hero-cta {
  background: #FFFFFF;
  color: #1E3A8A;
}

[data-template="notion-minimal"] .tt-hero-box {
  background: #F7F6F3;
  border: 1px solid #E8E7E4;
  padding: 24px 26px;
}

[data-template="dribbble-studio"] .tt-hero-box {
  background: #FEF3C7;
  box-shadow: 6px 6px 0px #111827;
}

.tt-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

[data-template="dev-bootcamp"] .tt-hero-eyebrow {
  font-family: var(--font-mono);
  border-radius: 4px;
}

[data-template="dribbble-studio"] .tt-hero-eyebrow {
  border: 2px solid #111827;
  background: #A3E635;
  color: #111827;
}

.tt-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.8vw, 2.85rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.025em;
  margin: 0 0 14px;
}

[data-template="academic-ivy"] .tt-hero-title,
[data-template="executive-mba"] .tt-hero-title,
[data-template="emerald-ilm"] .tt-hero-title {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.tt-hero-sub {
  font-size: 1.02rem;
  color: var(--muted);
  max-width: 680px;
  margin: 0 0 22px;
}

.tt-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.tt-hero-meta {
  font-size: 0.84rem;
  color: var(--muted);
  font-weight: 600;
}

[data-template="emerald-ilm"] .tt-hero-meta,
[data-template="creator-reels-hub"] .tt-hero-meta {
  color: rgba(255, 255, 255, 0.85);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.tt-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  background: var(--accent);
  color: var(--accent-contrast);
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-btn);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: transform 0.14s ease, opacity 0.14s ease, box-shadow 0.14s ease;
}

.tt-btn-primary:hover {
  opacity: 0.94;
  transform: translateY(-1px);
}

[data-template="dribbble-studio"] .tt-btn-primary {
  border: 2px solid #111827;
}

[data-template="dribbble-studio"] .tt-btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px #111827;
}

[data-template="neoglass-ai"] .tt-btn-primary {
  background: linear-gradient(135deg, var(--accent), #A855F7);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

.tt-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 15px;
  background: var(--surface);
  color: var(--text);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-btn);
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-btn);
}

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

/* ==========================================================================
   STATS / HIGHLIGHTS STRIP
   ========================================================================== */
.tt-stats-section {
  padding: 12px 0 20px;
}

.tt-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.tt-stat-card {
  background: var(--surface);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-card);
  padding: 16px 18px;
  box-shadow: var(--shadow-card);
}

[data-template="dribbble-studio"] .tt-stat-card:nth-child(1) { background: #FEF3C7; }
[data-template="dribbble-studio"] .tt-stat-card:nth-child(2) { background: #DCFCE7; }
[data-template="dribbble-studio"] .tt-stat-card:nth-child(3) { background: #DBEAFE; }
[data-template="dribbble-studio"] .tt-stat-card:nth-child(4) { background: #FCE7F3; }

.tt-stat-val {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.15;
}

[data-template="dribbble-studio"] .tt-stat-val {
  color: #111827;
}

.tt-stat-lbl {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
  margin-top: 3px;
}

/* ==========================================================================
   CATEGORY FILTERS & PULSE STORY RINGS
   ========================================================================== */
.tt-filters-section {
  padding: 10px 0 18px;
}

.tt-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.tt-cat-pills {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  max-width: 100%;
}

.tt-cat-pill {
  padding: 8px 15px;
  border-radius: var(--radius-btn);
  border: var(--border-width) solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: var(--shadow-btn);
  transition: all 0.14s ease;
}

[data-template="dev-bootcamp"] .tt-cat-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.tt-cat-pill.active {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

[data-template="dribbble-studio"] .tt-cat-pill.active {
  border-color: #111827;
}

/* Template 10 Story-Ring Bubbles */
[data-template="creator-reels-hub"] .tt-cat-pill {
  padding: 3px;
  background: linear-gradient(135deg, #2563EB, #06B6D4, #10B981);
  border: none;
  border-radius: 999px;
}

[data-template="creator-reels-hub"] .tt-cat-pill > span {
  display: block;
  padding: 6px 14px;
  border-radius: 999px;
  background: #FFFFFF;
  color: #0F172A;
}

[data-template="creator-reels-hub"] .tt-cat-pill.active > span {
  background: transparent;
  color: #FFFFFF;
}

/* ==========================================================================
   COURSE CATALOG GRID & CARDS
   ========================================================================== */
.tt-courses-section {
  padding: 8px 0 36px;
}

.tt-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
  gap: 12px;
}

.tt-section-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  margin: 0;
}

.tt-section-count {
  font-size: 0.84rem;
  color: var(--muted);
  font-weight: 600;
}

.tt-course-grid {
  display: grid;
  grid-template-columns: repeat(var(--cols, 3), minmax(0, 1fr));
  gap: 22px;
}

.tt-course-card {
  background: var(--surface);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

[data-template="neoglass-ai"] .tt-course-card {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.tt-course-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}

[data-template="dribbble-studio"] .tt-course-card:hover {
  border-color: #111827;
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px #111827;
}

.tt-thumb-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: var(--card-ratio, 16 / 9);
  background: #0F172A;
  overflow: hidden;
  border-bottom: var(--border-width) solid var(--border);
}

.tt-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.tt-course-card:hover .tt-thumb-wrap img {
  transform: scale(1.03);
}

.tt-thumb-pill {
  position: absolute;
  bottom: 10px;
  right: 10px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(9, 13, 22, 0.84);
  color: #FFFFFF;
  font-size: 0.74rem;
  font-weight: 700;
  backdrop-filter: blur(4px);
}

.tt-thumb-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

[data-template="dribbble-studio"] .tt-thumb-badge {
  border: 2px solid #111827;
}

.tt-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.tt-card-kicker {
  font-size: 0.73rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 6px;
}

[data-template="dev-bootcamp"] .tt-card-kicker {
  font-family: var(--font-mono);
}

.tt-card-title {
  font-family: var(--font-heading);
  font-size: 1.14rem;
  font-weight: 800;
  line-height: 1.28;
  margin: 0 0 8px;
  color: var(--text);
}

.tt-card-desc {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0 0 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.tt-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.79rem;
  color: var(--muted);
  padding-top: 12px;
  border-top: 1px solid var(--border);
  margin-bottom: 14px;
}

.tt-card-cta {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-btn);
  background: var(--accent);
  color: var(--accent-contrast);
  border: var(--border-width) solid transparent;
  font-weight: 700;
  font-size: 0.88rem;
  text-align: center;
  box-shadow: var(--shadow-btn);
}

[data-template="dribbble-studio"] .tt-card-cta {
  border: 2px solid #111827;
}

[data-template="notion-minimal"] .tt-card-cta {
  background: #F7F6F3;
  color: #37352F;
  border: 1px solid #E8E7E4;
}

[data-template="notion-minimal"] .tt-course-card:hover .tt-card-cta {
  background: var(--accent);
  color: #FFFFFF;
}

/* ==========================================================================
   4-PART CLASSROOM PLAYER VIEW (STRICT STREAMING-ONLY, NO DOWNLOADS)
   ========================================================================== */
.tt-classroom {
  padding: 22px 0 48px;
}

.tt-back-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

[data-template="udemy-marketplace"] .tt-classroom-banner {
  background: #1C1D1F;
  color: #FFFFFF;
  padding: 16px 22px;
  border-radius: var(--radius-card);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.tt-player-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.15fr) minmax(300px, 1fr);
  gap: 22px;
  align-items: start;
}

.tt-player-grid.sidebar-left {
  grid-template-columns: minmax(300px, 1fr) minmax(0, 2.15fr);
}

.tt-player-grid.sidebar-left .tt-player-main {
  order: 2;
}

.tt-player-grid.sidebar-left .tt-player-sidebar {
  order: 1;
}

.tt-player-grid.sidebar-bottom {
  grid-template-columns: 1fr;
  max-width: 960px;
  margin: 0 auto;
}

[data-template="notion-minimal"] .tt-player-grid {
  grid-template-columns: 1fr;
  max-width: 880px;
  margin: 0 auto;
}

.tt-stage-card {
  background: var(--surface);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  position: relative;
}

[data-template="masterclass-cinema"] .tt-stage-card {
  box-shadow: 0 0 70px rgba(229, 184, 75, 0.12), 0 24px 48px rgba(0, 0, 0, 0.75);
}

/* Dev Bootcamp Terminal Window Topbar */
.tt-ide-chrome {
  display: none;
}

[data-template="dev-bootcamp"] .tt-ide-chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  background: #090D16;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
}

.tt-ide-dots {
  display: flex;
  gap: 6px;
}

.tt-ide-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.tt-video-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #05070E;
}

.tt-video-viewport iframe,
.tt-video-viewport video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.tt-demo-stage {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  color: #FFFFFF;
  background: radial-gradient(circle at center, rgba(30, 41, 59, 0.92), #05070E);
}

.tt-demo-stage-cover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  pointer-events: none;
}

.tt-demo-stage-inner {
  position: relative;
  z-index: 2;
  max-width: 480px;
}

.tt-play-circle {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-contrast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
}

/* Gamified 4-Segment Progress Bar (Featured on Pulse Hub + helpful indicator) */
.tt-four-seg-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 12px 18px 0;
}

.tt-seg-pill {
  height: 7px;
  border-radius: 99px;
  background: var(--border);
  transition: background 0.25s ease;
  cursor: pointer;
}

.tt-seg-pill.done {
  background: #10B981;
}

.tt-seg-pill.active {
  background: var(--accent);
}

.tt-stage-controls {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.tt-now-playing-kicker {
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
}

.tt-now-playing-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  margin: 4px 0 0;
}

.tt-course-summary-box {
  margin-top: 16px;
  background: var(--surface);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

/* 4-Part Curriculum Playlist Sidebar */
.tt-parts-panel {
  background: var(--surface);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.tt-parts-header {
  padding: 15px 18px;
  border-bottom: var(--border-width) solid var(--border);
  background: var(--surface-alt);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tt-parts-header h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 800;
}

[data-template="dev-bootcamp"] .tt-parts-header h3 {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
}

.tt-parts-list {
  display: flex;
  flex-direction: column;
}

.tt-player-grid.sidebar-bottom .tt-parts-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 14px;
}

.tt-part-item {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 14px 16px;
  border: none;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  text-align: left;
  width: 100%;
  cursor: pointer;
  transition: background 0.14s ease;
}

.tt-part-item:last-child {
  border-bottom: none;
}

.tt-player-grid.sidebar-bottom .tt-part-item {
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-btn);
}

.tt-part-item:hover {
  background: var(--surface-alt);
}

.tt-part-item.active {
  background: var(--surface-alt);
  box-shadow: inset 4px 0 0 var(--accent);
}

.tt-part-num {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.84rem;
  flex-shrink: 0;
}

.tt-part-item.active .tt-part-num {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

.tt-part-item.done:not(.active) .tt-part-num {
  background: rgba(16, 185, 129, 0.15);
  color: #10B981;
  border-color: rgba(16, 185, 129, 0.4);
}

.tt-part-info {
  flex: 1;
  min-width: 0;
}

.tt-part-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.tt-part-name {
  font-size: 0.91rem;
  font-weight: 700;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tt-part-dur {
  font-size: 0.76rem;
  color: var(--muted);
  font-weight: 600;
}

/* ==========================================================================
   CALLOUT BANNER & FAQ ACCORDION
   ========================================================================== */
.tt-callout-section {
  padding: 12px 0 32px;
}

.tt-callout-box {
  background: var(--surface);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 30px;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

[data-template="dribbble-studio"] .tt-callout-box {
  background: #E0E7FF;
}

.tt-faq-section {
  padding: 8px 0 44px;
}

.tt-faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tt-faq-item {
  background: var(--surface);
  border: var(--border-width) solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.tt-faq-q {
  width: 100%;
  padding: 16px 20px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 700;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.tt-faq-a {
  padding: 0 20px 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.tt-footer {
  border-top: var(--border-width) solid var(--border);
  background: var(--surface);
  padding: 24px 0;
  margin-top: 28px;
  font-size: 0.84rem;
  color: var(--muted);
}

.tt-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.tt-admin-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  opacity: 0.75;
}

.tt-admin-link:hover {
  color: var(--accent);
  opacity: 1;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS (MOBILE & WHATSAPP IN-APP BROWSER FIRST)
   ========================================================================== */
@media (max-width: 960px) {
  .tt-course-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .tt-player-grid,
  .tt-player-grid.sidebar-left {
    grid-template-columns: 1fr;
  }
  .tt-player-grid.sidebar-left .tt-player-main {
    order: 1;
  }
  .tt-player-grid.sidebar-left .tt-player-sidebar {
    order: 2;
  }
  .tt-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 620px) {
  .tt-course-grid {
    grid-template-columns: 1fr;
  }
  .tt-header-inner {
    flex-wrap: wrap;
  }
  .tt-nav-actions {
    max-width: 100%;
    width: 100%;
    order: 3;
  }
  .tt-search-wrap {
    max-width: 100%;
  }
  .tt-hero-box {
    padding: 24px 20px;
  }
  .tt-player-grid.sidebar-bottom .tt-parts-list {
    grid-template-columns: 1fr;
  }
  [data-template="neoglass-ai"] .tt-header-inner {
    border-radius: 20px;
  }
}