:root {
  color-scheme: dark;
  --bg: #f4ede3;
  --bg-2: #eadfce;
  --surface: rgba(255, 251, 246, 0.84);
  --surface-soft: rgba(255, 248, 241, 0.62);
  --surface-muted: rgba(236, 225, 210, 0.62);
  --line: rgba(92, 70, 47, 0.12);
  --text: #2f241c;
  --muted: #6d5b4a;
  --subtle: #8f7c69;
  --accent: #b7885d;
  --accent-strong: #8e6541;
  --shadow: 0 24px 60px rgba(82, 57, 36, 0.12);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --space-page: 36px;
  --space-section: 36px;
  --space-card: 24px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(255,255,255,0.72), transparent 24%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  color: var(--text);
  font-family: "Inter", system-ui, sans-serif;
}
body { padding: var(--space-page); }
button, input { font: inherit; }
button:disabled { opacity: 0.55; cursor: not-allowed; }

.app-shell {
  max-width: 1400px;
  margin: 0 auto;
}

main {
  display: grid;
  gap: var(--space-section);
}

.site-header,
.surface {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.muted-surface {
  background: var(--surface-muted);
}

.site-header {
  border-radius: var(--radius-xl);
  padding: 18px 24px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: center;
  margin-bottom: var(--space-section);
}

.brand-block,
.brand-home,
.header-nav,
.header-actions,
.hero-actions,
.section-header,
.module-card-topline,
.course-card-topline,
.player-actions,
.lesson-meta-pills,
.dashboard-hero-stats,
.resume-meta-row,
.settings-form-footer,
.modal-actions,
.modal-status-row,
.settings-access-grid,
.course-card-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-actions { justify-content: flex-end; }
.hidden { display: none !important; }

.brand-home {
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  justify-self: start;
  color: inherit;
  text-align: left;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(255,255,255,0.48);
  color: var(--accent-strong);
  font-weight: 700;
  border: 1px solid rgba(92, 70, 47, 0.08);
}

.brand-home strong {
  color: var(--text);
  font-size: 1rem;
}

.eyebrow,
.card-label,
.summary-kicker {
  color: var(--subtle);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
}

h1, h2, h3, h4, p, ul { margin: 0; }
h1, h2, h3, h4 {
  color: var(--text);
  letter-spacing: -0.04em;
}
p, span, li, small, label { color: var(--muted); line-height: 1.7; }
label { display: grid; gap: 8px; }

.primary-button,
.secondary-button,
.player-mini-row {
  border-radius: 999px;
}

.section-tab {
  border-radius: 20px;
}

.nav-link.active {
  color: var(--text);
  background: rgba(255,255,255,0.54);
  border-color: rgba(92, 70, 47, 0.08);
}

.primary-button,
.secondary-button,
.section-tab {
  min-height: 46px;
  padding: 0 18px;
  cursor: pointer;
  border: 1px solid transparent;
}

.section-tab {
  width: 100%;
  padding: 16px 18px;
  border-radius: 20px;
  display: grid;
  gap: 4px;
  justify-items: start;
  text-align: left;
}

.section-tab.active {
  color: var(--text);
  background: rgba(245, 229, 210, 0.92);
  border-color: rgba(92, 70, 47, 0.16);
}

.section-tab small {
  color: var(--subtle);
  font-size: 0.84rem;
  line-height: 1.4;
}

.section-tab-label {
  color: var(--text);
  font-weight: 700;
}

.primary-button {
  background: #8a5d39;
  color: #fffaf5;
  font-weight: 700;
  border-color: rgba(92, 70, 47, 0.18);
}

.course-purchase-button {
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid rgba(92, 70, 47, 0.18);
  background: linear-gradient(180deg, #b9814a 0%, #9c673c 100%);
  color: #fffaf5;
  font-weight: 800;
  letter-spacing: 0.01em;
  box-shadow: 0 14px 32px rgba(120, 76, 38, 0.22);
}

.course-purchase-button:hover,
.course-purchase-button:focus-visible {
  background: linear-gradient(180deg, #c58c53 0%, #a86f42 100%);
  box-shadow: 0 18px 36px rgba(120, 76, 38, 0.28);
}

.secondary-button,
.section-tab {
  background: rgba(255,255,255,0.5);
  color: var(--text);
  border-color: rgba(92, 70, 47, 0.08);
}

.screen,
.dashboard-panel { display: none; }
.screen.active,
.dashboard-panel.active { display: block; }

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 42px;
  align-items: center;
  padding: 48px;
  min-height: 700px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  background:
    linear-gradient(90deg, rgba(244, 237, 227, 0.9) 0%, rgba(244, 237, 227, 0.82) 34%, rgba(244, 237, 227, 0.6) 58%, rgba(244, 237, 227, 0.72) 100%),
    linear-gradient(180deg, rgba(234, 223, 206, 0.08), rgba(234, 223, 206, 0.24)),
    url("./assets/broadway.jpg");
  background-size: cover;
  background-position: center;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.28);
}

.hero-copy h1 {
  font-family: "Fraunces", serif;
  font-size: clamp(3rem, 6vw, 5.5rem);
  max-width: 10ch;
  line-height: 0.93;
  margin: 10px 0 16px;
}

.hero-copy p {
  max-width: 640px;
  font-size: 1.06rem;
}

.hero-cta-panel {
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  align-self: stretch;
}

.hero-cta-panel .hero-actions {
  justify-content: flex-end;
  width: 100%;
}

.hero-learn-more-button {
  min-height: 60px;
  padding: 0 30px;
  font-size: 1rem;
}

.summary-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(92, 70, 47, 0.08);
}

.summary-line strong {
  color: var(--text);
}

.landing-band {
  border-top: 1px solid rgba(92, 70, 47, 0.1);
  padding-top: 30px;
  display: grid;
  gap: 20px;
}

.muted-band {
  padding-top: 8px;
}

.band-intro h2,
.dashboard-hero h2,
.auth-copy h2,
.player-main h2 {
  font-family: "Fraunces", serif;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-top: 8px;
}

.band-intro.narrow,
.auth-copy {
  max-width: 720px;
}

.band-grid,
.architecture-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.band-grid article {
  padding-top: 8px;
}

.promo-video-placeholder {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
  gap: 24px;
  padding: 24px;
  border-radius: var(--radius-xl);
}

.promo-video-copy {
  display: grid;
  gap: 10px;
  align-content: center;
}

.promo-video-frame {
  min-height: 320px;
  border-radius: 24px;
  border: 1px solid rgba(92, 70, 47, 0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.16), rgba(183, 136, 93, 0.12)),
    linear-gradient(135deg, rgba(215, 179, 138, 0.26), rgba(255,255,255,0.52));
  display: grid;
  place-items: center;
}

.promo-video-play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  min-height: 56px;
  padding: 0 22px;
  border-radius: 999px;
  background: rgba(47, 36, 28, 0.9);
  color: #fff9f2;
  font-weight: 700;
}

.theme-picker.refined {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 420px);
  gap: 34px;
  align-items: start;
}

.auth-form,
.settings-form {
  display: grid;
  gap: 14px;
}

.auth-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 8px;
  border-radius: 18px;
  background: rgba(255,255,255,0.42);
  border: 1px solid rgba(92, 70, 47, 0.08);
}

.auth-toggle-button {
  min-height: 44px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--subtle);
  font-weight: 700;
  cursor: pointer;
}

.auth-toggle-button.active {
  background: rgba(245, 229, 210, 0.92);
  color: var(--text);
  border-color: rgba(92, 70, 47, 0.16);
}

.auth-status {
  min-height: 1.6em;
  font-size: 0.95rem;
}

.auth-form {
  padding: 24px;
}

input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(92, 70, 47, 0.12);
  background: rgba(255,255,255,0.64);
  color: var(--text);
  padding: 14px 15px;
}

input:disabled {
  background: rgba(236, 225, 210, 0.6);
  color: var(--muted);
}

.dashboard-hero,
.refined-card,
.architecture-screen {
  border-radius: var(--radius-xl);
  padding: 24px;
}

.dashboard-shell {
  display: grid;
  grid-template-columns: minmax(250px, 290px) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.dashboard-rail {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 20px;
}

.dashboard-rail-intro {
  display: grid;
  gap: 8px;
}

.dashboard-rail-intro p {
  color: var(--subtle);
  font-size: 0.95rem;
}

.dashboard-stage {
  display: grid;
  gap: 24px;
}

.dashboard-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
  gap: 24px;
}

.dashboard-hero-stats {
  flex-direction: column;
  align-items: flex-start;
}

.dashboard-section-nav {
  display: grid;
  gap: 12px;
}

.stat-stack strong {
  font-size: 2.2rem;
  color: var(--accent-strong);
}

.progress-track {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(92, 70, 47, 0.08);
}

.progress-track.wide {
  min-width: 100%;
}

.progress-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #dcb58d);
}

.dashboard-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
}

.settings-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dashboard-main-column,
.dashboard-side-column,
.player-main,
.player-sidebar,
.module-list,
.player-lesson-list,
.course-catalog-list,
.profile-list,
.settings-list,
.settings-card {
  display: grid;
  gap: 18px;
}

.module-card,
.course-card {
  width: 100%;
  border: 1px solid rgba(92, 70, 47, 0.08);
  background: rgba(255,255,255,0.58);
  color: var(--text);
  padding: 18px 20px;
  text-align: left;
  border-radius: 20px;
  display: grid;
  gap: 10px;
}

.module-card { cursor: pointer; }

.module-card.active,
.course-card.active,
.player-module-group.active {
  background: rgba(245, 229, 210, 0.92);
  border-color: rgba(92, 70, 47, 0.16);
}

.course-card.locked {
  background: rgba(255,255,255,0.4);
}

.course-card {
  position: relative;
  overflow: hidden;
}

.course-card-lock-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(47, 36, 28, 0.06), rgba(47, 36, 28, 0.16));
  border-radius: inherit;
  pointer-events: none;
}

.course-card-lock-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(47, 36, 28, 0.9);
  color: #fff9f2;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(47, 36, 28, 0.18);
}

.module-card-topline,
.course-card-topline,
.settings-form-footer,
.settings-account-actions,
.modal-status-row,
.course-card-actions {
  justify-content: space-between;
}

.module-card h4,
.resume-card h3,
.purchase-card h3,
.player-main h2,
.player-module-group h4,
.band-grid h3,
.course-card h4,
.profile-card h3,
.settings-card h3,
.modal-card h3,
.access-stat strong {
  color: var(--text);
}

.module-card p,
.course-card p,
.courses-header p,
.settings-save-status {
  color: var(--subtle);
  font-size: 0.95rem;
  line-height: 1.6;
}

.settings-account-actions {
  padding-top: 6px;
}

.profile-line,
.settings-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(92, 70, 47, 0.08);
}

.profile-line strong,
.settings-line strong {
  color: var(--text);
  font-weight: 600;
}

.courses-panel-card,
.profile-card {
  display: grid;
  gap: 18px;
}

.player-module-group {
  width: 100%;
  border: 1px solid rgba(92, 70, 47, 0.08);
  background: rgba(255,255,255,0.56);
  color: var(--text);
  padding: 18px 20px;
  text-align: left;
  cursor: pointer;
  border-radius: 20px;
  display: grid;
  gap: 10px;
}

.player-layout {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  grid-template-areas: "sidebar main";
  gap: 24px;
  align-items: start;
}

.player-main {
  grid-area: main;
}

.player-sidebar {
  grid-area: sidebar;
  position: sticky;
  top: 24px;
}

.video-frame {
  min-height: 380px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(92, 70, 47, 0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.18), rgba(193, 173, 150, 0.18)),
    linear-gradient(135deg, rgba(215, 179, 138, 0.18), rgba(255,255,255,0.55));
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.video-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  color: var(--subtle);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  z-index: 2;
}

.lesson-video {
  width: 100%;
  height: 100%;
  min-height: 380px;
  display: block;
  background: rgba(47, 36, 28, 0.88);
  object-fit: contain;
  border-radius: inherit;
}

.video-frame.is-empty .lesson-video {
  opacity: 0;
  pointer-events: none;
}

.play-overlay {
  min-width: 180px;
  min-height: 56px;
  border-radius: 999px;
  border: 0;
  background: rgba(47, 36, 28, 0.92);
  color: #fff9f2;
  font-weight: 700;
  cursor: pointer;
  position: absolute;
  z-index: 2;
}

.lesson-meta,
.lesson-meta-pills,
.player-actions,
.section-header,
.settings-access-grid {
  justify-content: space-between;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(92, 70, 47, 0.08);
  background: rgba(255,255,255,0.58);
  color: var(--text);
  font-size: 0.78rem;
}

.settings-access-grid {
  gap: 16px;
}

.access-stat {
  flex: 1;
  border: 1px solid rgba(92, 70, 47, 0.08);
  background: rgba(255,255,255,0.46);
  border-radius: 20px;
  padding: 16px;
  display: grid;
  gap: 4px;
}

.access-stat strong {
  font-size: 1.8rem;
}

.modal-shell {
  position: fixed;
  inset: 0;
  background: rgba(47, 36, 28, 0.28);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 50;
}

.modal-shell.active {
  display: flex;
}

.modal-card {
  width: min(100%, 560px);
  display: grid;
  gap: 16px;
}

#lockedCourseCheckoutStatus {
  min-height: 1.6em;
}

ul {
  padding-left: 1.2rem;
}

@media (max-width: 1100px) {
  .site-header,
  .hero-layout,
  .dashboard-shell,
  .dashboard-hero,
  .dashboard-content,
  .settings-grid,
  .auth-layout,
  .band-grid,
  .architecture-grid,
  .theme-picker.refined {
    grid-template-columns: 1fr;
  }

  .dashboard-rail {
    position: static;
    top: auto;
  }

  .promo-video-placeholder {
    grid-template-columns: 1fr;
  }

  .player-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "main"
      "sidebar";
  }

  .player-sidebar {
    position: static;
    top: auto;
  }

}

@media (max-width: 720px) {
  body { padding: 18px; }
  .site-header,
  .header-actions,
  .hero-actions,
  .player-actions,
  .section-header,
  .lesson-row,
  .player-mini-row,
  .lesson-meta,
  .lesson-meta-pills,
  .resume-meta-row,
  .profile-line,
  .settings-line,
  .settings-form-footer,
  .modal-actions,
  .settings-access-grid,
  .course-card-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .dashboard-rail {
    gap: 16px;
  }

  .dashboard-hero,
  .refined-card,
  .architecture-screen,
  .auth-form {
    padding: 18px;
  }

  .modal-card {
    width: 100%;
  }
}