@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

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

:root {
  --accent:        #C17A5B;
  --accent-hover:  #9E5E3F;
  --accent-dim:    rgba(193, 122, 91, .12);
  --accent-glow:   rgba(193, 122, 91, .3);

  --bg:            #FAF7F4;
  --surface:       #FFFFFF;
  --surface-2:     #F5EFE9;
  --surface-3:     #EDE4DC;
  --border:        #EAE0D9;
  --border-hover:  #D4C4B8;

  --text:          #2D1F1A;
  --text-sub:      #5C4035;
  --text-muted:    #9C7B6E;

  --success:       #4A7C59;
  --error:         #C0392B;

  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  14px;
  --r-xl:  18px;

  --shadow-sm:    0 2px 8px rgba(45,31,26,.06);
  --shadow-card:  0 4px 20px rgba(45,31,26,.09);
  --shadow-hover: 0 16px 48px rgba(45,31,26,.22);
  --shadow-float: 0 24px 64px rgba(193,122,91,.28);

  --t-fast:   150ms cubic-bezier(.25,.46,.45,.94);
  --t-normal: 280ms cubic-bezier(.25,.46,.45,.94);
  --t-slow:   420ms cubic-bezier(.25,.46,.45,.94);
}

html { font-size: 16px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Keyframes ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(.97); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes logoGlow {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50%       { box-shadow: 0 0 0 10px transparent; }
}
@keyframes shimmer {
  from { background-position: -600px 0; }
  to   { background-position: 600px 0; }
}

.anim-fade-up { animation: fadeUp var(--t-slow) both; }
.anim-scale-in { animation: scaleIn var(--t-slow) both; }

/* ── LOGIN ── */
.login-bg {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background:
    radial-gradient(ellipse 70% 50% at 50% -5%, rgba(193,122,91,.16) 0%, transparent 65%),
    var(--bg);
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 36px;
  text-align: center;
  animation: fadeUp var(--t-slow) .05s both;
}

.login-logo {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: logoGlow 3s ease-in-out 1.2s infinite;
}
.login-logo svg { width: 26px; height: 26px; color: #fff; }

.login-brand h1 {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--text);
}
.login-brand p { font-size: .875rem; color: var(--text-muted); }

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  animation: scaleIn var(--t-slow) .12s both;
}

.container {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  margin: 80px auto;
}

/* ── Form ── */
label {
  display: block;
  margin-bottom: 6px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

input {
  display: block;
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 16px;
  background: var(--surface-2);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  font-size: .975rem;
  color: var(--text);
  transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
}
input::placeholder { color: var(--text-muted); }
input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* ── Botão ── */
.btn-primary,
button[type="submit"] {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--r-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
}
.btn-primary::after, button[type="submit"]::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,.18) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform .45s ease;
}
.btn-primary:hover::after, button[type="submit"]:hover::after { transform: translateX(100%); }
.btn-primary:hover, button[type="submit"]:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.btn-primary:active, button[type="submit"]:active { transform: scale(.98); box-shadow: none; }
.btn-primary:disabled, button:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

.erro    { color: var(--error);   margin-top: 14px; font-size: .875rem; }
.sucesso { color: var(--success); margin-top: 14px; font-size: .875rem; }

/* ── Header ── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: rgba(250,247,244,.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -.02em;
  color: var(--text);
  text-decoration: none;
}
.header-dot {
  width: 30px;
  height: 30px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.header-dot svg { width: 15px; height: 15px; color: #fff; }

.header-right { display: flex; align-items: center; gap: 16px; }
#user-email { font-size: .8rem; color: var(--text-muted); max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.btn-logout {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: transparent;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  width: auto;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}
.btn-logout:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.btn-logout svg { width: 14px; height: 14px; }

/* ── Layout ── */
.training-hero {
  padding: 48px 40px 0;
  max-width: 1200px;
  margin: 0 auto;
  animation: fadeUp var(--t-slow) .08s both;
}
.training-hero h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.04em;
  color: var(--text);
  margin-bottom: 4px;
}
.training-hero p { font-size: .95rem; color: var(--text-muted); }

.training-body {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 48px 80px;
}

/* ── Seções da página principal ── */
.content-section {
  margin-bottom: 56px;
  animation: fadeUp var(--t-slow) both;
}
.content-section:nth-child(1) { animation-delay:  60ms; }
.content-section:nth-child(2) { animation-delay: 140ms; }
.content-section:nth-child(3) { animation-delay: 220ms; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.section-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.section-icon svg { width: 18px; height: 18px; color: var(--accent); }

.section-title {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text);
  margin-bottom: 2px;
}

.section-sub {
  font-size: .8rem;
  color: var(--text-muted);
}

/* empty state compacto inline */
.empty-state-inline {
  padding: 36px 24px;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--r-lg);
  animation: none;
}

/* ─────────────────────────────────────────
   MÓDULO ROW — carrossel estilo Netflix
───────────────────────────────────────── */

.modules-section { position: relative; }

.modules-row-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.modules-row-title {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.row-nav {
  display: flex;
  gap: 6px;
}

.row-nav-btn {
  width: 34px;
  height: 34px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-sub);
  width: auto;
  padding: 0;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast), transform var(--t-fast);
}
.row-nav-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
  transform: scale(1.08);
}
.row-nav-btn:disabled { opacity: .3; cursor: not-allowed; transform: none; }
.row-nav-btn svg { width: 16px; height: 16px; }

/* Linha horizontal scrollável — desktop e mobile */
.all-cards-grid,
.modules-row {
  display: flex;
  flex-direction: row;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  gap: 20px;
  padding-bottom: 8px;
}
.all-cards-grid::-webkit-scrollbar,
.modules-row::-webkit-scrollbar { display: none; }

/* setas visíveis no desktop */
.row-nav { display: flex; }

/* ── Card poster ── */
.module-card-poster {
  flex: 0 0 300px;
  width: 300px;
  aspect-ratio: 2 / 3;
  scroll-snap-align: start;
  border-radius: var(--r-xl);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  scroll-snap-align: start;
  border: 1.5px solid var(--border);
  box-shadow: var(--shadow-sm);
  will-change: transform;
  transition:
    transform 300ms cubic-bezier(.25,.46,.45,.94),
    box-shadow 300ms cubic-bezier(.25,.46,.45,.94),
    border-color var(--t-fast);
  animation: fadeUp var(--t-slow) both;
}

/* Stagger de entrada dos cards */
.module-card-poster:nth-child(1) { animation-delay:  60ms; }
.module-card-poster:nth-child(2) { animation-delay: 120ms; }
.module-card-poster:nth-child(3) { animation-delay: 180ms; }
.module-card-poster:nth-child(4) { animation-delay: 240ms; }
.module-card-poster:nth-child(5) { animation-delay: 300ms; }
.module-card-poster:nth-child(6) { animation-delay: 360ms; }

.module-card-poster:hover {
  transform: translateY(-8px) scale(1.04);
  box-shadow: var(--shadow-float);
  border-color: var(--accent);
  z-index: 2;
}

/* Background do card: gradiente de placeholder */
.card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center top;
  transition: transform 400ms cubic-bezier(.25,.46,.45,.94);
}
.module-card-poster:hover .card-bg {
  transform: scale(1.06);
}

/* Overlay escuro na parte inferior para texto */
.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 30%,
    rgba(30, 14, 8, .5) 60%,
    rgba(20, 8, 4, .92) 100%
  );
}

/* Badge MÓDULO X no topo */
.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--accent);
  color: #fff;
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
  transition: background var(--t-fast);
}
.module-card-poster:hover .card-badge {
  background: var(--accent-hover);
}

/* Texto no rodapé do card */
.card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
}
.card-subtitle {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
  margin-bottom: 4px;
}
.card-title {
  font-size: 1.2rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -.02em;
  text-shadow: 0 2px 8px rgba(0,0,0,.4);
}

/* Estado "em breve" — shimmer */
.card-coming-soon .card-bg {
  background: linear-gradient(
    135deg,
    var(--surface-3) 0%,
    var(--surface-2) 50%,
    var(--surface-3) 100%
  );
  background-size: 600px 100%;
  animation: shimmer 2s infinite linear;
}
.card-coming-soon .card-overlay {
  background: linear-gradient(
    to bottom,
    transparent 30%,
    rgba(45,31,26,.4) 60%,
    rgba(45,31,26,.8) 100%
  );
}
.card-coming-soon .card-title { color: var(--text-sub); text-shadow: none; }
.card-coming-soon .card-subtitle { color: var(--text-muted); }

/* ── Painel de aulas expandido ── */
.lessons-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t-normal);
  margin-top: 0;
  overflow: hidden;
}
.lessons-panel.open {
  grid-template-rows: 1fr;
  margin-top: 16px;
}
.lessons-panel-inner { overflow: hidden; }

.lessons-list {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.lessons-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.lessons-list-title {
  font-size: .9rem;
  font-weight: 700;
  color: var(--text);
}
.lessons-close-btn {
  width: 28px;
  height: 28px;
  background: var(--surface-2);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  width: auto;
  padding: 5px;
  transition: background var(--t-fast), color var(--t-fast);
}
.lessons-close-btn:hover { background: var(--accent-dim); color: var(--accent); }
.lessons-close-btn svg { width: 14px; height: 14px; }

.lesson-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 20px;
  border-bottom: 1px solid var(--border);
  font-size: .875rem;
  color: var(--text-sub);
  cursor: pointer;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  transition: background var(--t-fast), color var(--t-fast), padding-left var(--t-normal);
}
.lesson-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transition: transform var(--t-fast);
}
.lesson-item:last-child { border-bottom: none; }
.lesson-item:hover { background: var(--surface-2); color: var(--text); padding-left: 24px; }
.lesson-item:hover::before { transform: scaleY(1); }

.lesson-icon { width: 16px; height: 16px; color: var(--text-muted); flex-shrink: 0; transition: color var(--t-fast), transform var(--t-fast); }
.lesson-item:hover .lesson-icon { color: var(--accent); transform: scale(1.1); }

/* ─────────────────────────────────────────
   PLAYER VIEW
───────────────────────────────────────── */

#player-view,
#links-view {
  display: none;
  animation: fadeIn var(--t-normal) both;
}

#player-view.active,
#links-view.active {
  display: block;
}

/* ── Links de Materiais ── */
.links-layout {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 40px 80px;
}

.links-header {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 36px;
}

.links-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--text);
  margin-bottom: 2px;
}

.links-sub {
  font-size: .85rem;
  color: var(--text-muted);
}

.links-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 22px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--t-fast), transform var(--t-normal), box-shadow var(--t-normal);
  animation: fadeUp var(--t-slow) both;
}

.link-card:nth-child(1) { animation-delay:  40ms; }
.link-card:nth-child(2) { animation-delay:  90ms; }
.link-card:nth-child(3) { animation-delay: 140ms; }
.link-card:nth-child(4) { animation-delay: 190ms; }
.link-card:nth-child(5) { animation-delay: 240ms; }

.link-card:hover {
  border-color: var(--accent);
  transform: translateX(4px);
  box-shadow: var(--shadow-card);
}

.link-card-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--t-fast);
}

.link-card:hover .link-card-icon {
  background: var(--accent);
}

.link-card-icon svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
  transition: color var(--t-fast);
}

.link-card:hover .link-card-icon svg {
  color: #fff;
}

.link-card-body {
  flex: 1;
  min-width: 0;
}

.link-card-name {
  font-size: .975rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 3px;
}

.link-card-desc {
  font-size: .83rem;
  color: var(--text-muted);
}

.link-card-cta {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: .83rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  flex-shrink: 0;
  transition: gap var(--t-fast);
}

.link-card:hover .link-card-cta {
  gap: 8px;
}

.link-card-cta svg {
  width: 14px;
  height: 14px;
}

@media (max-width: 768px) {
  .links-layout { padding: 24px 20px 64px; }
  .links-header { gap: 16px; }
  .link-card-cta { display: none; }
}

.player-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  height: calc(100dvh - 64px);
  overflow: hidden;
}

/* ── Sidebar ── */
.player-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-back {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--t-fast), background var(--t-fast);
  flex-shrink: 0;
}
.sidebar-back:hover { color: var(--accent); background: var(--accent-dim); }
.sidebar-back svg { width: 15px; height: 15px; flex-shrink: 0; }

.sidebar-module-title {
  padding: 16px 20px 12px;
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-lessons {
  flex: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.sidebar-lessons::-webkit-scrollbar { width: 4px; }
.sidebar-lessons::-webkit-scrollbar-track { background: transparent; }
.sidebar-lessons::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar-lesson {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 20px;
  border-bottom: 1px solid var(--border);
  font-size: .875rem;
  color: var(--text-sub);
  cursor: pointer;
  position: relative;
  transition: background var(--t-fast), color var(--t-fast);
  animation: fadeUp var(--t-normal) both;
}

/* stagger das aulas na sidebar */
.sidebar-lesson:nth-child(1)  { animation-delay:  20ms; }
.sidebar-lesson:nth-child(2)  { animation-delay:  50ms; }
.sidebar-lesson:nth-child(3)  { animation-delay:  80ms; }
.sidebar-lesson:nth-child(4)  { animation-delay: 110ms; }
.sidebar-lesson:nth-child(5)  { animation-delay: 140ms; }
.sidebar-lesson:nth-child(6)  { animation-delay: 170ms; }
.sidebar-lesson:nth-child(7)  { animation-delay: 200ms; }
.sidebar-lesson:nth-child(8)  { animation-delay: 230ms; }

.sidebar-lesson:last-child { border-bottom: none; }

.sidebar-lesson:hover {
  background: var(--surface-2);
  color: var(--text);
}

.sidebar-lesson.active {
  background: var(--accent-dim);
  color: var(--accent);
}

.sidebar-lesson.active .sl-icon { color: var(--accent); }

.sl-number {
  width: 24px;
  height: 24px;
  background: var(--surface-2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  transition: background var(--t-fast), color var(--t-fast);
}
.sidebar-lesson.active .sl-number {
  background: var(--accent);
  color: #fff;
}

.sl-title { flex: 1; line-height: 1.4; }

.sl-icon {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color var(--t-fast);
}

/* ── Player main ── */
.player-main {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.player-video-wrap {
  background: #111;
  width: 100%;
  aspect-ratio: 16 / 9;
  position: relative;
  flex-shrink: 0;
}

/* VTurb define a própria altura */
.player-video-wrap:has(vturb-smartplayer) {
  aspect-ratio: unset;
}

.player-video-wrap iframe,
.player-video-wrap video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Placeholder quando não há vídeo */
.player-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: linear-gradient(135deg, #1a0f0a 0%, #2d1510 100%);
  color: rgba(255,255,255,.35);
}

.player-placeholder svg {
  width: 52px;
  height: 52px;
  opacity: .3;
}

.player-placeholder p {
  font-size: .9rem;
  font-weight: 500;
}

.player-info {
  padding: 24px 32px 32px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  flex: 1;
}

.player-info h3 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--text);
  margin-bottom: 6px;
}

.player-info p {
  font-size: .875rem;
  color: var(--text-muted);
}

/* ── Mobile: player empilhado ── */
@media (max-width: 860px) {
  .player-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    height: auto;
    overflow: visible;
  }

  .player-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 260px;
  }

  .player-main { overflow-y: visible; }
  .player-video-wrap { aspect-ratio: 16 / 9; }
}

/* ─────────────────────────────────────────
   MATERIAL CARDS
───────────────────────────────────────── */
.materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.material-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  will-change: transform;
  transition: border-color var(--t-fast), transform var(--t-normal), box-shadow var(--t-normal);
}
.material-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-hover);
}
.material-icon {
  width: 42px; height: 42px;
  background: var(--accent-dim);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--t-fast), transform var(--t-normal);
}
.material-card:hover .material-icon { background: var(--accent); transform: scale(1.08); }
.material-icon svg { width: 20px; height: 20px; color: var(--accent); transition: color var(--t-fast); }
.material-card:hover .material-icon svg { color: #fff; }
.material-title { font-weight: 700; font-size: .95rem; color: var(--text); }
.material-desc { font-size: .83rem; color: var(--text-muted); flex: 1; line-height: 1.55; }
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px;
  background: var(--accent-dim); color: var(--accent);
  border-radius: 20px; font-size: .75rem; font-weight: 700;
  width: fit-content; letter-spacing: .02em;
}

/* ─────────────────────────────────────────
   SUPPLIER CARDS
───────────────────────────────────────── */
.suppliers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.supplier-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 22px;
  display: flex; flex-direction: column; gap: 10px;
  will-change: transform;
  transition: border-color var(--t-fast), transform var(--t-normal), box-shadow var(--t-normal);
}
.supplier-card:hover { border-color: var(--border-hover); transform: translateY(-3px); box-shadow: var(--shadow-card); }
.supplier-tag {
  display: inline-flex; padding: 3px 10px; border-radius: 20px;
  font-size: .72rem; font-weight: 700; width: fit-content;
  background: var(--accent-dim); color: var(--accent);
  letter-spacing: .04em; text-transform: uppercase;
}
.supplier-name { font-weight: 700; font-size: 1rem; color: var(--text); }
.supplier-desc { font-size: .85rem; color: var(--text-muted); flex: 1; line-height: 1.55; }
.supplier-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 4px; padding: 9px 14px;
  background: var(--surface-2); color: var(--text-sub);
  border: 1px solid var(--border); border-radius: var(--r-sm);
  font-size: .83rem; font-weight: 600; text-decoration: none; width: fit-content;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.supplier-link svg { width: 13px; height: 13px; }
.supplier-link:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-1px); }

/* ─────────────────────────────────────────
   EMPTY STATE
───────────────────────────────────────── */
.empty-state {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; text-align: center;
  padding: 72px 24px; color: var(--text-muted);
  animation: fadeUp var(--t-slow) .1s both;
}
.empty-icon {
  width: 56px; height: 56px;
  background: var(--surface-2); border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.empty-icon svg { width: 26px; height: 26px; color: var(--text-muted); }
.empty-state h3 { font-size: 1rem; font-weight: 700; color: var(--text-sub); margin-bottom: 6px; }
.empty-state p { font-size: .875rem; max-width: 320px; line-height: 1.6; }

/* ─────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */
/* wrapper do carrossel com setas sobrepostas */
.carousel-wrap {
  position: relative;
}

.carousel-arrow {
  position: absolute;
  top: 0;
  bottom: 8px; /* alinha com o padding-bottom do scroll */
  z-index: 10;
  width: 64px;
  border: none;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--t-normal);
  padding: 0;
}

/* aparece ao hover do wrapper */
.carousel-wrap:hover .carousel-arrow {
  opacity: 1;
}

.carousel-arrow::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--r-xl);
  opacity: 0;
  transition: opacity var(--t-normal);
}

.carousel-arrow:hover::before {
  opacity: 1;
}

/* ícone do chevron */
.carousel-arrow svg {
  width: 22px;
  height: 22px;
  color: #fff;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 1px 4px rgba(0,0,0,.5));
  transition: transform var(--t-fast);
}

.carousel-arrow:hover svg {
  transform: scale(1.15);
}

.arrow-left {
  left: 0;
  background: linear-gradient(to right, rgba(45,31,26,.45) 0%, transparent 100%);
  border-radius: var(--r-xl) 0 0 var(--r-xl);
}

.arrow-right {
  right: 0;
  background: linear-gradient(to left, rgba(45,31,26,.45) 0%, transparent 100%);
  border-radius: 0 var(--r-xl) var(--r-xl) 0;
}

@media (max-width: 768px) {
  .header { padding: 0 20px; height: 58px; }
  #user-email { display: none; }
  .training-hero { padding: 28px 20px 0; }
  .training-hero h2 { font-size: 1.5rem; }
  .training-body { padding: 0 0 64px; }

  .training-body { padding: 0 20px 64px; overflow: visible; }

  .carousel-wrap { margin: 0 -20px; }

  .all-cards-grid,
  .modules-row {
    padding: 0 20px 8px;
    gap: 14px;
  }

  /* card ocupa ~78% da tela — o próximo aparece no canto */
  .module-card-poster { flex: 0 0 78vw; width: 78vw; }

  /* esconde as setas no mobile */
  .carousel-arrow { display: none; }

  .materials-grid, .suppliers-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}