/* =============================================================
   Study Vault – Frontend CSS
   Layout 100% próprio, zero dependência do tema WordPress.
   ============================================================= */

/* ── CSS Custom Properties ── */
:root {
  --sv-primary:        #6c63ff;
  --sv-secondary:      #f5a623;
  --sv-bg:             #0f0f13;
  --sv-bg-card:        #1a1a24;
  --sv-bg-card-hover:  #222230;
  --sv-bg-input:       #13131c;
  --sv-text:           #e8e8f0;
  --sv-text-muted:     #9090a8;
  --sv-text-faint:     #5a5a72;
  --sv-border:         #2a2a3a;
  --sv-border-focus:   #6c63ff;
  --sv-radius:         12px;
  --sv-radius-sm:      8px;
  --sv-radius-xs:      5px;
  --sv-shadow:         0 4px 24px rgba(0,0,0,.4);
  --sv-shadow-lg:      0 12px 48px rgba(0,0,0,.55);
  --sv-transition:     .18s ease;
  --sv-font:           'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --sv-topbar-h:       60px;
  --sv-sidebar-w:      300px;
}

/* Light mode – aplicado quando body NÃO tem .sv-dark */
body.sv-app.sv-light {
  --sv-bg:             #f2f2f7;
  --sv-bg-card:        #ffffff;
  --sv-bg-card-hover:  #f0f0f8;
  --sv-bg-input:       #f5f5fc;
  --sv-text:           #12121e;
  --sv-text-muted:     #4a4a65;
  --sv-text-faint:     #7a7a95;
  --sv-border:         #d8d8ec;
  --sv-shadow:         0 2px 16px rgba(0,0,0,.08);
  --sv-shadow-lg:      0 8px 32px rgba(0,0,0,.12);
}

/* ── Hard reset para a página do plugin ── */
body.sv-app {
  margin: 0; padding: 0;
  font-family: var(--sv-font);
  font-size: 16px;
  line-height: 1.5;
  background: var(--sv-bg);
  color: var(--sv-text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
/* Garante que [hidden] nunca seja sobrescrito pelo CSS do plugin */
body.sv-app [hidden] { display: none !important; }
/* Classe utilitária — especificidade alta para vencer CSS de temas */
.sv-hidden,
body .sv-hidden,
body.sv-app .sv-hidden,
#sv-root .sv-hidden {
    display: none !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
}
body.sv-app *, body.sv-app *::before, body.sv-app *::after { box-sizing: border-box; }
body.sv-app h1, body.sv-app h2, body.sv-app h3,
body.sv-app h4, body.sv-app h5, body.sv-app h6 {
  margin: 0; padding: 0; font-weight: 700; line-height: 1.2; color: var(--sv-text);
}
body.sv-app p   { margin: 0 0 1em; }
body.sv-app ul  { list-style: none; margin: 0; padding: 0; }
body.sv-app img { max-width: 100%; height: auto; display: block; }
body.sv-app a   { color: var(--sv-primary); text-decoration: none; }
body.sv-app a:hover { text-decoration: underline; }
body.sv-app button { font-family: inherit; cursor: pointer; }

#sv-root { display: flex; flex-direction: column; min-height: 100vh; }

/* ── Topbar ── */
.sv-topbar {
  position: sticky; top: 0; z-index: 200;
  height: var(--sv-topbar-h);
  background: var(--sv-bg-card);
  border-bottom: 1px solid var(--sv-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.sv-topbar-inner {
  max-width: 1400px; margin: 0 auto;
  height: 100%;
  display: flex; align-items: center; gap: 20px;
  padding: 0 24px;
}
.sv-brand {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none; flex-shrink: 0;
}
.sv-brand-name {
  font-size: 1.25rem; font-weight: 800; letter-spacing: -.02em;
  color: var(--sv-text);
}
.sv-brand-accent { color: var(--sv-primary); }
.sv-logo { height: 36px; width: auto; }

/* Nav links */
.sv-nav {
  display: flex; align-items: center; gap: 2px;
  flex: 1; justify-content: center;
}
.sv-nav-link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: .85rem; font-weight: 500;
  color: var(--sv-text-muted);
  text-decoration: none;
  transition: background var(--sv-transition), color var(--sv-transition);
  white-space: nowrap;
}
.sv-nav-link svg { flex-shrink: 0; }
.sv-nav-link:hover { background: var(--sv-bg-card-hover); color: var(--sv-text); text-decoration: none; }
.sv-nav-link.sv-nav-active {
  background: rgba(108, 99, 255, .15); /* fallback */
  background: color-mix(in srgb, var(--sv-primary) 15%, transparent);
  color: var(--sv-primary); font-weight: 600;
}

/* Topbar right */
.sv-topbar-right {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}

/* ── Search overlay ── */
.sv-search-trigger {
  background: var(--sv-bg-input); border: 1px solid var(--sv-border);
  color: var(--sv-text-muted); border-radius: 8px;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--sv-transition);
}
.sv-search-trigger:hover { border-color: var(--sv-primary); color: var(--sv-primary); }

.sv-search-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex; flex-direction: column;
  align-items: center; padding-top: 80px;
}
/* Garante que [hidden] funciona mesmo com display:flex declarado */
.sv-search-overlay[hidden] { display: none !important; }
.sv-search-results[hidden]  { display: none !important; }
.sv-search-input {
  width: min(640px, 92vw);
  background: var(--sv-bg-card); border: 1.5px solid var(--sv-border);
  border-radius: 12px; color: var(--sv-text);
  font-size: 1.1rem; padding: 14px 20px;
  outline: none; transition: border-color var(--sv-transition);
  font-family: var(--sv-font);
}
.sv-search-input::placeholder { color: var(--sv-text-muted); }
.sv-search-input:focus { border-color: var(--sv-primary); }

.sv-search-close {
  position: absolute; top: 24px; right: 24px;
  background: none; border: none; color: var(--sv-text-muted);
  font-size: 1.4rem; padding: 8px;
}
.sv-search-close:hover { color: var(--sv-text); }

.sv-search-results {
  width: min(640px, 92vw); margin-top: 8px;
  background: var(--sv-bg-card); border: 1px solid var(--sv-border);
  border-radius: 12px; box-shadow: var(--sv-shadow-lg);
  overflow: hidden; max-height: 60vh; overflow-y: auto;
}
.sv-search-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; color: var(--sv-text); text-decoration: none;
  transition: background var(--sv-transition); border-bottom: 1px solid var(--sv-border);
}
.sv-search-item:last-child { border-bottom: none; }
.sv-search-item:hover { background: var(--sv-bg-card-hover); text-decoration: none; }
.sv-search-item img { width: 52px; height: 34px; object-fit: cover; border-radius: 4px; flex-shrink: 0; }
.sv-search-item-info strong { display: block; font-size: .88rem; font-weight: 600; }
.sv-search-item-info span   { font-size: .75rem; color: var(--sv-text-muted); }
.sv-search-empty { padding: 20px; text-align: center; color: var(--sv-text-muted); font-size: .9rem; }

/* ── Theme toggle ── */
.sv-theme-toggle {
  background: var(--sv-bg-input); border: 1px solid var(--sv-border);
  border-radius: 8px; width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  color: var(--sv-text-muted); transition: all var(--sv-transition);
}
.sv-theme-toggle:hover { border-color: var(--sv-primary); color: var(--sv-primary); }
body.sv-app.sv-dark  .sv-icon-moon,
body.sv-app.sv-light .sv-icon-sun  { display: block; }
body.sv-app.sv-dark  .sv-icon-sun,
body.sv-app.sv-light .sv-icon-moon { display: none; }

/* ── User chip ── */
.sv-user-chip {
  display: flex; align-items: center; gap: 8px;
  background: var(--sv-bg-input); border: 1px solid var(--sv-border);
  border-radius: 20px; padding: 4px 12px 4px 4px;
  font-size: .82rem; font-weight: 500; color: var(--sv-text);
}
.sv-user-avatar { border-radius: 50%; width: 28px; height: 28px; }
.sv-user-name { max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Mobile menu toggle ── */
.sv-mobile-menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 8px;
}
.sv-mobile-menu-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--sv-text); border-radius: 2px; transition: all var(--sv-transition);
}

/* ── Page wrapper ── */
.sv-page { flex: 1; display: flex; flex-direction: column; }
.sv-page-content { flex: 1; max-width: 1400px; width: 100%; margin: 0 auto; padding: 32px 24px; }

/* Player ocupa o espaço restante depois do topbar */
.sv-player-wrap { flex: 1; }

/* ── Buttons ── */
.sv-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; border-radius: var(--sv-radius-sm);
  font-size: .875rem; font-weight: 600;
  text-decoration: none; border: none;
  transition: all var(--sv-transition); cursor: pointer; white-space: nowrap;
}
.sv-btn:hover { text-decoration: none; }
.sv-btn-sm { padding: 6px 14px; font-size: .8rem; }
.sv-btn-primary { background: var(--sv-primary); color: #fff; }
.sv-btn-primary:hover { background: #5a52e0; color: #fff; }
.sv-btn-secondary { background: var(--sv-secondary); color: #fff; }
.sv-btn-secondary:hover { background: #d4891a; color: #fff; }
.sv-btn-outline {
  background: transparent; border: 1px solid var(--sv-border); color: var(--sv-text);
}
.sv-btn-outline:hover { border-color: var(--sv-primary); color: var(--sv-primary); }
.sv-btn-nav { background: var(--sv-bg-card); border: 1px solid var(--sv-border); color: var(--sv-text); }
.sv-btn-nav:hover { border-color: var(--sv-primary); color: var(--sv-primary); }
.sv-btn-complete { background: var(--sv-bg-card); border: 1px solid var(--sv-border); color: var(--sv-text); }
.sv-btn-complete.sv-completed { background: #22c55e; border-color: #22c55e; color: #fff; }
.sv-btn-complete:not(.sv-completed):hover { border-color: #22c55e; color: #22c55e; }
.sv-btn-ghost { background: transparent; border: none; color: var(--sv-text-muted); }
.sv-btn-ghost:hover { color: var(--sv-text); }
.sv-disabled { opacity: .4; pointer-events: none; cursor: default; }

/* ── Stats grid ── */
.sv-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px; margin-bottom: 28px;
}
.sv-stat-card {
  background: var(--sv-bg-card); border-radius: var(--sv-radius);
  padding: 20px 24px; border-left: 4px solid var(--sv-primary);
  box-shadow: var(--sv-shadow);
}
.sv-stat-card.sv-card-green  { border-color: #22c55e; }
.sv-stat-card.sv-card-blue   { border-color: #3b82f6; }
.sv-stat-card.sv-card-orange { border-color: var(--sv-secondary); }
.sv-stat-number { font-size: 2rem; font-weight: 800; line-height: 1; }
.sv-stat-label  { font-size: .78rem; color: var(--sv-text-muted); margin-top: 6px; }

/* ── Progress bar ── */
.sv-progress-section { margin-bottom: 24px; }
.sv-progress-header  { display: flex; justify-content: space-between; font-size: .82rem; color: var(--sv-text-muted); margin-bottom: 8px; }
.sv-progress-track   { height: 6px; background: var(--sv-border); border-radius: 3px; overflow: hidden; }
.sv-progress-fill    { height: 100%; background: linear-gradient(90deg, var(--sv-primary), var(--sv-secondary)); border-radius: 3px; transition: width .6s ease; }

/* ── Continue banner ── */
.sv-continue-banner {
  display: flex; align-items: center; gap: 12px;
  background: rgba(108, 99, 255, .08); /* fallback */
  background: color-mix(in srgb, var(--sv-primary) 12%, var(--sv-bg-card));
  border: 1px solid rgba(108, 99, 255, .25); /* fallback */
  border: 1px solid color-mix(in srgb, var(--sv-primary) 30%, transparent);
  border-radius: var(--sv-radius-sm); padding: 12px 20px;
  font-size: .9rem; margin-bottom: 24px;
}
.sv-continue-link { color: var(--sv-primary); font-weight: 600; }
.sv-continue-link:hover { text-decoration: underline; }

/* ── Section ── */
.sv-section { margin-bottom: 40px; }
.sv-section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; gap: 12px; flex-wrap: wrap;
}
.sv-section-title { font-size: 1.25rem; font-weight: 700; }
.sv-section-title span { font-size: .85rem; color: var(--sv-text-muted); font-weight: 400; margin-left: 8px; }

/* ── Filter bar ── */
.sv-filter-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 24px;
}
.sv-filter-select, .sv-filter-input {
  background: var(--sv-bg-card); border: 1px solid var(--sv-border);
  color: var(--sv-text); border-radius: var(--sv-radius-sm);
  padding: 8px 12px; font-size: .85rem; outline: none;
  transition: border-color var(--sv-transition); font-family: inherit;
  -webkit-appearance: none;
}
.sv-filter-select {
  padding-right: 28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239090a8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
body.sv-app.sv-light .sv-filter-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234a4a65' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
}
.sv-filter-select:focus, .sv-filter-input:focus { border-color: var(--sv-primary); }
.sv-filter-input { min-width: 200px; }

/* ── Courses grid ── */
.sv-courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 22px;
}

/* ── Course card ── */
.sv-course-card {
  background: var(--sv-bg-card); border-radius: var(--sv-radius);
  overflow: hidden; position: relative;
  transition: transform var(--sv-transition), box-shadow var(--sv-transition);
  box-shadow: var(--sv-shadow);
}
.sv-course-card:hover { transform: translateY(-5px); box-shadow: var(--sv-shadow-lg); }
.sv-card-link { display: block; color: inherit; text-decoration: none; }
.sv-card-link:hover { text-decoration: none; }

.sv-card-thumb {
  position: relative; aspect-ratio: 16/9; overflow: hidden;
  background: var(--sv-border);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='640' height='360'%3E%3Crect width='640' height='360' fill='%231a1a24'/%3E%3Cpolygon points='295,160 295,200 335,180' fill='%236c63ff'/%3E%3C/svg%3E");
  background-size: cover; background-position: center; background-repeat: no-repeat;
}
.sv-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.sv-course-card:hover .sv-card-thumb img { transform: scale(1.06); }

.sv-badge {
  position: absolute; top: 10px; left: 10px;
  padding: 3px 9px; border-radius: 4px;
  font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
}
.sv-badge-done     { background: #16a34a; color: #fff; }  /* verde mais escuro → ratio 4.6:1 com branco */
.sv-badge-progress { background: var(--sv-primary); color: #fff; }

.sv-fav-btn {
  position: absolute; top: 10px; right: 10px;
  background: rgba(0,0,0,.6); border: none; color: #fff;
  font-size: 1rem; border-radius: 50%; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--sv-transition);
}
.sv-fav-btn:hover, .sv-fav-btn.sv-fav-active { background: var(--sv-primary); }

.sv-card-body   { padding: 14px 16px 16px; }
.sv-card-cat    { font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; color: var(--sv-primary); font-weight: 700; }
.sv-card-title  { font-size: .95rem; font-weight: 700; margin: 6px 0 4px; line-height: 1.35;
                   display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sv-card-author { font-size: .78rem; color: var(--sv-text-muted); }
.sv-card-prog   { height: 3px; background: var(--sv-border); border-radius: 2px; margin-top: 10px; overflow: hidden; }
.sv-card-prog-bar { height: 100%; background: var(--sv-primary); border-radius: 2px; transition: width .5s ease; }
.sv-card-prog-pct { font-size: .7rem; color: var(--sv-text-muted); margin-top: 4px; }

/* ── Recent lessons strip ── */
.sv-chips-row { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 8px; scrollbar-width: thin; }
.sv-lesson-chip {
  display: flex; align-items: center; gap: 10px;
  background: var(--sv-bg-card); border-radius: var(--sv-radius-sm);
  padding: 10px 14px; min-width: 220px; color: var(--sv-text);
  text-decoration: none; flex-shrink: 0;
  transition: background var(--sv-transition);
  border: 1px solid var(--sv-border);
}
.sv-lesson-chip:hover { background: var(--sv-bg-card-hover); text-decoration: none; }
.sv-lesson-chip img { width: 60px; height: 40px; object-fit: cover; border-radius: 4px; flex-shrink: 0; }
.sv-chip-info strong { display: block; font-size: .82rem; font-weight: 600; }
.sv-chip-info span   { font-size: .72rem; color: var(--sv-text-muted); }

/* ── Load more ── */
.sv-load-more-wrap { text-align: center; padding: 32px 0 8px; }

/* ── Pagination ── */
.sv-pagination { text-align: center; margin-top: 36px; display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; }
.sv-pagination a, .sv-pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 8px;
  border-radius: var(--sv-radius-sm); background: var(--sv-bg-card);
  border: 1px solid var(--sv-border); color: var(--sv-text);
  font-size: .85rem; text-decoration: none; transition: all var(--sv-transition);
}
.sv-pagination a:hover, .sv-pagination .current {
  background: var(--sv-primary); border-color: var(--sv-primary); color: #fff;
}

/* ── Auth / Empty / Loading ── */
.sv-auth-notice, .sv-empty-state {
  text-align: center; padding: 64px 24px;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}
.sv-auth-notice p, .sv-empty-state p { color: var(--sv-text-muted); font-size: 1rem; }
.sv-loading-grid {
  grid-column: 1 / -1; text-align: center;
  padding: 48px; color: var(--sv-text-muted); font-size: .9rem;
}

/* ── Single Course ── */
.sv-course-hero {
  position: relative; min-height: 360px;
  background-size: cover; background-position: center;
  display: flex; align-items: flex-end;
}
.sv-course-hero-overlay {
  width: 100%;
  background: linear-gradient(to top, rgba(0,0,0,.92) 0%, rgba(0,0,0,.25) 100%);
  padding: 48px 32px 36px;
}
.sv-course-hero-inner { max-width: 760px; }
.sv-hero-cat  { font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--sv-secondary); font-weight: 700; }
.sv-hero-title { font-size: 2.2rem; font-weight: 800; color: #fff; margin: 10px 0 8px; line-height: 1.15; }
.sv-hero-author { color: rgba(255,255,255,.72); font-size: .92rem; margin-bottom: 14px; }
.sv-hero-meta  { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.sv-meta-chip  {
  background: rgba(255,255,255,.14); backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,.2); border-radius: 4px;
  padding: 4px 10px; font-size: .78rem; color: #fff;
}
.sv-hero-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sv-fav-btn-hero {
  background: transparent; border: 1px solid rgba(255,255,255,.3);
  color: rgba(255,255,255,.85); border-radius: 8px;
  padding: 9px 16px; font-size: .85rem; transition: all var(--sv-transition);
}
.sv-fav-btn-hero:hover, .sv-fav-btn-hero.sv-fav-active {
  background: var(--sv-primary); border-color: var(--sv-primary); color: #fff;
}

/* Course progress bar below hero */
.sv-course-prog-bar-row {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 32px; background: var(--sv-bg-card);
  border-bottom: 1px solid var(--sv-border);
  font-size: .83rem; color: var(--sv-text-muted);
}
.sv-course-prog-bar { flex: 1; height: 5px; background: linear-gradient(90deg, var(--sv-primary), var(--sv-secondary)); border-radius: 3px; transition: width .6s ease; }

/* Course body */
.sv-course-body {
  display: grid; grid-template-columns: 1fr 380px;
  gap: 36px; padding: 36px 32px; max-width: 1300px; margin: 0 auto;
}
.sv-course-desc-title { font-size: 1.1rem; margin-bottom: 12px; }
.sv-course-desc-content { color: var(--sv-text-muted); line-height: 1.75; font-size: .92rem; }

/* Lesson list sidebar */
.sv-lesson-list-box { background: var(--sv-bg-card); border-radius: var(--sv-radius); overflow: hidden; border: 1px solid var(--sv-border); }
.sv-lesson-list-head { padding: 16px 20px; border-bottom: 1px solid var(--sv-border); font-weight: 700; font-size: .95rem; display: flex; justify-content: space-between; }
.sv-lesson-list-head span { font-size: .8rem; color: var(--sv-text-muted); font-weight: 400; }
.sv-lesson-list { max-height: 520px; overflow-y: auto; }
.sv-lesson-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; color: var(--sv-text); text-decoration: none;
  border-bottom: 1px solid var(--sv-border); font-size: .85rem;
  transition: background var(--sv-transition); border-left: 3px solid transparent;
}
.sv-lesson-row:last-child { border-bottom: none; }
.sv-lesson-row:hover { background: var(--sv-bg-card-hover); text-decoration: none; }
.sv-lesson-row.sv-done      { color: #22c55e; }
.sv-lesson-row.sv-inprog    { color: var(--sv-primary); }
.sv-lesson-row.sv-current   { background: rgba(108, 99, 255, .08); background: color-mix(in srgb, var(--sv-primary) 10%, transparent); border-left-color: var(--sv-primary); }
.sv-lesson-row-icon  { width: 16px; text-align: center; flex-shrink: 0; }
.sv-lesson-row-num   { min-width: 22px; font-size: .72rem; color: var(--sv-text-faint); }
.sv-lesson-row-title { flex: 1; font-weight: 500; }
.sv-lesson-row-dur   { font-size: .72rem; color: var(--sv-text-muted); flex-shrink: 0; }

/* ── Lesson Player ── */
.sv-player-wrap {
  flex: 1; display: grid;
  grid-template-columns: var(--sv-sidebar-w) 1fr;
  grid-template-rows: 1fr;
  min-height: calc(100vh - var(--sv-topbar-h));
}

/* Sidebar */
.sv-player-sidebar {
  background: var(--sv-bg-card); border-right: 1px solid var(--sv-border);
  display: flex; flex-direction: column;
  position: sticky; top: var(--sv-topbar-h);
  height: calc(100vh - var(--sv-topbar-h)); overflow: hidden;
}
.sv-sidebar-top {
  padding: 14px 16px; border-bottom: 1px solid var(--sv-border); flex-shrink: 0;
}
.sv-sidebar-back { font-size: .82rem; color: var(--sv-primary); font-weight: 600; display: flex; align-items: center; gap: 6px; }
.sv-sidebar-back:hover { text-decoration: underline; }
.sv-sidebar-prog { margin-top: 10px; display: flex; align-items: center; gap: 8px; font-size: .72rem; color: var(--sv-text-muted); }
.sv-sidebar-prog-bar { flex: 1; height: 4px; background: var(--sv-primary); border-radius: 2px; }

.sv-sidebar-lessons { overflow-y: auto; flex: 1; padding: 6px 0; }
.sv-sbl-item {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 16px; font-size: .82rem; color: var(--sv-text-muted);
  text-decoration: none; transition: background var(--sv-transition), color var(--sv-transition);
  border-left: 3px solid transparent;
}
.sv-sbl-item:hover { background: var(--sv-bg-card-hover); color: var(--sv-text); text-decoration: none; }
.sv-sbl-item.sv-active { border-left-color: var(--sv-primary); color: var(--sv-text); background: rgba(108, 99, 255, .08); background: color-mix(in srgb, var(--sv-primary) 8%, transparent); }
.sv-sbl-item.sv-done   { color: #22c55e; }
.sv-sbl-icon { width: 14px; text-align: center; flex-shrink: 0; font-size: .8rem; }
.sv-sbl-num  { min-width: 18px; font-size: .7rem; color: var(--sv-text-faint); }
.sv-sbl-title { flex: 1; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sv-sbl-dur  { font-size: .7rem; flex-shrink: 0; }

/* Main player area */
.sv-player-main { display: flex; flex-direction: column; overflow-y: auto; background: var(--sv-bg); }
.sv-player-video-wrap {
  position: relative;
  width: 88%;
  max-width: 840px;
  margin: 32px auto 0;
  aspect-ratio: 16/9;
  border-radius: var(--sv-radius);
  overflow: hidden;
  box-shadow: var(--sv-shadow-lg);
  background: #000;
  flex-shrink: 0;
}
.sv-player-video-wrap > iframe {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none;
}
@media (max-width: 768px) {
  .sv-player-video-wrap {
    width: 95%;
    margin-top: 16px;
  }
}
.plyr {
  --plyr-color-main: var(--sv-primary);
  font-family: var(--sv-font);
}
/* Impede que o YouTube exiba overlays extras ao mover o cursor (pointer-events: none), mantendo o vídeo sem cortes */
.plyr__video-embed iframe,
.plyr__video-wrapper iframe {
  width: 100% !important;
  height: 100% !important;
  top: 0 !important;
  left: 0 !important;
  pointer-events: none !important;
}
.sv-no-video {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.5); font-size: .95rem;
}

/* Player controls */
.sv-player-controls {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 14px 24px; flex-wrap: wrap;
  background: var(--sv-bg-card); border-bottom: 1px solid var(--sv-border);
}

/* Lesson info */
.sv-lesson-info { padding: 28px 32px; }
.sv-lesson-info-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 14px; }
.sv-lesson-info-desc  { color: var(--sv-text-muted); line-height: 1.75; font-size: .92rem; }
.sv-attachments { margin-top: 24px; }
.sv-attachments h3 { font-size: .95rem; margin-bottom: 10px; }
.sv-attachments li { margin-bottom: 8px; }
.sv-attachment-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--sv-primary); font-size: .88rem; font-weight: 500;
}
.sv-attachment-link:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .sv-course-body { grid-template-columns: 1fr; }
  .sv-lesson-list-box { max-height: 360px; }
}
@media (max-width: 900px) {
  .sv-player-wrap { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .sv-player-sidebar {
    position: static; height: auto; max-height: 280px;
    border-right: none; border-bottom: 1px solid var(--sv-border);
  }
}
@media (max-width: 768px) {
  .sv-nav { display: none; }
  .sv-mobile-menu-toggle { display: flex; }
  .sv-nav.sv-nav-open {
    display: flex; flex-direction: column;
    position: fixed; inset: var(--sv-topbar-h) 0 0 0;
    background: var(--sv-bg-card); z-index: 190;
    padding: 24px; gap: 4px; align-items: flex-start;
  }
  .sv-nav.sv-nav-open .sv-nav-link { width: 100%; padding: 12px 16px; font-size: 1rem; }
  .sv-user-name { display: none; }
  .sv-page-content { padding: 20px 16px; }
  .sv-stats-row { grid-template-columns: 1fr 1fr; }
  .sv-course-hero-overlay { padding: 28px 20px 24px; }
  .sv-hero-title { font-size: 1.6rem; }
  .sv-course-body { padding: 24px 16px; }
  .sv-course-prog-bar-row { padding: 10px 20px; }
  .sv-lesson-info { padding: 20px 20px; }
  .sv-player-controls { padding: 12px 16px; }
}
@media (max-width: 480px) {
  .sv-topbar-inner { padding: 0 16px; gap: 12px; }
  .sv-stats-row { grid-template-columns: 1fr 1fr; gap: 10px; }
  .sv-courses-grid { grid-template-columns: 1fr; }
  .sv-search-input { font-size: .95rem; }
}

/* ── Single Course: hero full-width dentro de .sv-page ── */
.sv-page-course .sv-page { overflow: hidden; }
.sv-page-course #sv-single-course { width: 100%; }

/* ── Single Lesson: player full-height, sem padding lateral ── */
.sv-page-lesson .sv-player-wrap {
  min-height: calc(100vh - var(--sv-topbar-h));
}

/* ── Scrollbar estilizada nas listas ── */
.sv-lesson-list::-webkit-scrollbar,
.sv-sidebar-lessons::-webkit-scrollbar,
.sv-chips-row::-webkit-scrollbar { width: 4px; height: 4px; }
.sv-lesson-list::-webkit-scrollbar-track,
.sv-sidebar-lessons::-webkit-scrollbar-track,
.sv-chips-row::-webkit-scrollbar-track { background: transparent; }
.sv-lesson-list::-webkit-scrollbar-thumb,
.sv-sidebar-lessons::-webkit-scrollbar-thumb,
.sv-chips-row::-webkit-scrollbar-thumb { background: var(--sv-border); border-radius: 4px; }

/* ── Focus visible acessível ── */
body.sv-app :focus-visible {
  outline: 2px solid var(--sv-primary);
  outline-offset: 2px;
}

/* ── Skeleton loading para os cards ── */
@keyframes sv-shimmer {
  0%   { background-position: -640px 0; }
  100% { background-position: 640px 0; }
}
.sv-skeleton {
  background: linear-gradient(90deg,
    var(--sv-border) 25%,
    var(--sv-bg-card-hover) 50%,
    var(--sv-border) 75%);
  background-size: 640px 100%;
  animation: sv-shimmer 1.4s ease infinite;
  border-radius: var(--sv-radius);
}

/* ── Transição de página suave ── */
body.sv-app { animation: sv-fadein .2s ease; }
@keyframes sv-fadein { from { opacity: 0; } to { opacity: 1; } }

/* ── Mobile: colapso do filtro na lista de cursos ── */
@media (max-width: 600px) {
  .sv-filter-bar { gap: 8px; }
  .sv-filter-input { min-width: 0; width: 100%; }
  .sv-filter-select { flex: 1; }
  .sv-hero-title { font-size: 1.35rem; }
  .sv-course-body { gap: 20px; }
  .sv-lesson-info { padding: 16px; }
  .sv-stat-number { font-size: 1.6rem; }
}

/* ── Print ── */
@media print {
  .sv-topbar, .sv-player-controls, .sv-player-sidebar,
  .sv-fav-btn, .sv-theme-toggle, .sv-load-more-wrap { display: none !important; }
  body.sv-app { background: #fff; color: #000; }
}

/* ── Complementos finais ── */

/* Wrapper da descrição do curso */
.sv-course-desc { min-width: 0; }

/* search-wrap no topbar */
.sv-search-wrap { position: relative; display: flex; align-items: center; }

/* card-prog precisa de display:block para a pct ficar abaixo */
.sv-card-prog-pct { display: block; }

/* Inprog na sidebar do player */
.sv-sbl-item.sv-inprog { color: var(--sv-primary); }

/* Lesson chip hover precisa do flex */
.sv-lesson-chip { display: flex; }

/* Fav hero cursor */
.sv-fav-btn-hero { cursor: pointer; }

/* Topbar fixa no player não deve ser sticky (já tem topbar geral) */
.sv-page-lesson .sv-topbar { position: sticky; top: 0; z-index: 201; }

/* Curso hero sem padding-top (a navbar já está acima) */
.sv-page-course #sv-single-course .sv-course-hero { margin-top: 0; }

/* Garantir que progress bar do curso começa com width correto via JS */
.sv-sidebar-prog-bar { min-width: 4px; max-width: 100%; }