:root {
  --font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --primary: #2563eb;
  --primary-2: #06b6d4;
  --primary-rgb: 37, 99, 235;
  --primary-2-rgb: 6, 182, 212;
  --primary-soft: rgba(var(--primary-rgb), .16);
  --primary-focus: rgba(var(--primary-rgb), .16);
  --primary-border: rgba(var(--primary-rgb), .26);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --sidebar-width: 292px;
  --sidebar-collapsed-width: 86px;
  --shadow-soft: 0 22px 80px rgba(0, 0, 0, .26);
}

:root[data-accent="blue"] {
  --primary: #2563eb;
  --primary-2: #06b6d4;
  --primary-rgb: 37, 99, 235;
  --primary-2-rgb: 6, 182, 212;
}

:root[data-accent="purple"] {
  --primary: #7c3aed;
  --primary-2: #4f46e5;
  --primary-rgb: 124, 58, 237;
  --primary-2-rgb: 79, 70, 229;
}

:root[data-theme="dark"] {
  --bg: #070b18;
  --bg-2: #0c1224;
  --surface: rgba(15, 23, 42, .82);
  --surface-2: rgba(17, 24, 39, .72);
  --surface-3: rgba(30, 41, 59, .66);
  --border: rgba(148, 163, 184, .18);
  --border-strong: rgba(148, 163, 184, .32);
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --text-soft: #cbd5e1;
  --input: rgba(15, 23, 42, .72);
  --card-gradient: linear-gradient(145deg, rgba(var(--primary-rgb), .24), rgba(var(--primary-2-rgb), .13) 45%, rgba(14, 165, 233, .08));
}

:root[data-theme="light"] {
  --bg: #f6f7fb;
  --bg-2: #ffffff;
  --surface: rgba(255, 255, 255, .88);
  --surface-2: rgba(255, 255, 255, .76);
  --surface-3: #f1f5f9;
  --border: rgba(15, 23, 42, .1);
  --border-strong: rgba(15, 23, 42, .18);
  --text: #111827;
  --text-muted: #64748b;
  --text-soft: #334155;
  --input: rgba(255, 255, 255, .92);
  --card-gradient: linear-gradient(145deg, rgba(var(--primary-rgb), .16), rgba(var(--primary-2-rgb), .10) 45%, rgba(14, 165, 233, .08));
  --shadow-soft: 0 22px 80px rgba(15, 23, 42, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background:
    radial-gradient(circle at 10% 5%, rgba(var(--primary-rgb), .22), transparent 28%),
    radial-gradient(circle at 84% 12%, rgba(var(--primary-2-rgb), .18), transparent 32%),
    radial-gradient(circle at 48% 92%, rgba(16, 185, 129, .10), transparent 30%),
    var(--bg);
  color: var(--text);
}

button, input, textarea, select { font: inherit; }
a { color: inherit; text-decoration: none; }
button { border: 0; cursor: pointer; }
img, video { max-width: 100%; }

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
}

.login-estrutura, .login-shell {
  width: min(1080px, 100%);
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 22px;
  align-items: stretch;
}

.login-hero, .login-card, .panel-card, .content-card, .metric-card, .course-card, .library-card, .system-card {
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow-soft);
}

.login-hero {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  padding: 40px;
  min-height: 620px;
}

.login-hero::after {
  content: "";
  position: absolute;
  inset: auto -120px -120px auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), .60), rgba(var(--primary-2-rgb), .24));
  filter: blur(4px);
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: -.04em;
}

.logo-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 18px 48px rgba(var(--primary-rgb), .38);
}

.logo-mark.small { width: 40px; height: 40px; border-radius: 14px; }

button.logo-mark {
  border: 0;
  font: inherit;
  font-weight: 950;
  line-height: 1;
  cursor: pointer;
}

.menu-logo {
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}

.menu-logo:hover {
  transform: translateY(-1px) scale(1.03);
  filter: saturate(1.08);
}

.menu-logo:focus-visible {
  outline: 3px solid var(--primary-border);
  outline-offset: 4px;
}

.topbar-logo-trigger { display: none; flex-shrink: 0; }

.hero-title {
  margin: 80px 0 18px;
  max-width: 600px;
  font-size: clamp(2.6rem, 6vw, 5.4rem);
  line-height: .92;
  letter-spacing: -.08em;
}

.hero-title span { color: #a78bfa; }
.hero-copy {
  max-width: 520px;
  color: var(--text-soft);
  font-size: 1.04rem;
  line-height: 1.7;
}

.hero-stack {
  position: relative;
  z-index: 1;
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.hero-mini {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
}

.hero-mini strong { display: block; font-size: 1.2rem; margin-bottom: 6px; }
.hero-mini small { color: var(--text-muted); line-height: 1.4; }

.login-card {
  border-radius: 34px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-card h1, .page-title h1 {
  margin: 0;
  letter-spacing: -.055em;
  line-height: 1.03;
}

.login-card h1 { font-size: 2.1rem; }
.login-card p { color: var(--text-muted); line-height: 1.6; }

.form-grid { display: grid; gap: 16px; margin-top: 22px; }
.form-row { display: grid; gap: 8px; }
.form-row label { font-size: .86rem; color: var(--text-muted); font-weight: 700; }
.input, .select, .textarea {
  width: 100%;
  color: var(--text);
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 16px;
  outline: none;
  padding: 14px 15px;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.textarea { min-height: 108px; resize: vertical; }
.input:focus, .select:focus, .textarea:focus {
  border-color: rgba(var(--primary-rgb), .72);
  box-shadow: 0 0 0 4px var(--primary-focus);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 16px;
  border-radius: 15px;
  color: var(--text);
  background: var(--surface-3);
  border: 1px solid var(--border);
  font-weight: 800;
  transition: transform .18s, border-color .18s, background .18s, opacity .18s;
}
.btn:hover { transform: translateY(-1px); border-color: var(--border-strong); }
.btn:active { transform: translateY(0); }
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-color: transparent;
  box-shadow: 0 16px 40px rgba(var(--primary-rgb), .30);
}
.btn-ghost { background: transparent; }
.btn-danger { background: rgba(239, 68, 68, .14); color: #fecaca; }
.btn-sm { min-height: 36px; border-radius: 12px; padding: 9px 12px; font-size: .88rem; }

.app-estrutura, .app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  transition: grid-template-columns .22s ease;
}

.app-estrutura.sidebar-collapsed, .app-shell.sidebar-collapsed {
  grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 22px;
  border-right: 1px solid var(--border);
  background: rgba(3, 7, 18, .64);
  backdrop-filter: blur(22px);
  overflow-x: hidden;
  overflow-y: auto;
  transition: width .22s ease, padding .22s ease, transform .22s ease, background .22s ease;
}
:root[data-theme="light"] .sidebar { background: rgba(255,255,255,.68); }

.sidebar-backdrop { display: none; }

.app-estrutura.sidebar-collapsed .sidebar,
.app-shell.sidebar-collapsed .sidebar {
  padding-left: 12px;
  padding-right: 12px;
}

.brand-copy, .nav-label, .sidebar-footer, .user-name, .btn-text {
  transition: opacity .16s ease, transform .16s ease;
}

.app-estrutura.sidebar-collapsed .brand-copy,
.app-shell.sidebar-collapsed .brand-copy,
.app-estrutura.sidebar-collapsed .nav-label,
.app-shell.sidebar-collapsed .nav-label,
.app-estrutura.sidebar-collapsed .sidebar-footer,
.app-shell.sidebar-collapsed .sidebar-footer {
  width: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
}

.app-estrutura.sidebar-collapsed .brand-row,
.app-shell.sidebar-collapsed .brand-row,
.app-estrutura.sidebar-collapsed .nav-item,
.app-shell.sidebar-collapsed .nav-item {
  justify-content: center;
}

.app-estrutura.sidebar-collapsed .sidebar-header,
.app-shell.sidebar-collapsed .sidebar-header {
  justify-content: center;
}

.app-estrutura.sidebar-collapsed .sidebar-toggle,
.app-shell.sidebar-collapsed .sidebar-toggle {
  display: none;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.nav-list { display: grid; gap: 8px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 13px;
  border-radius: 16px;
  color: var(--text-muted);
  font-weight: 800;
  background: transparent;
  border: 1px solid transparent;
  width: 100%;
  min-width: 0;
  text-align: left;
}
.nav-item:hover, .nav-item.active {
  color: var(--text);
  background: var(--primary-soft);
  border-color: var(--primary-border);
}
.nav-icon { width: 28px; min-width: 28px; text-align: center; font-size: .72rem; font-weight: 950; letter-spacing: -.03em; }
.sidebar-footer {
  margin-top: 26px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--card-gradient);
}
.sidebar-footer small { color: var(--text-muted); line-height: 1.45; display: block; }

.main-area { min-width: 0; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 26px;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 11, 24, .68);
  backdrop-filter: blur(22px);
}
:root[data-theme="light"] .topbar { background: rgba(246,247,251,.78); }

.search-wrap {
  flex: 1;
  max-width: 780px;
  position: relative;
}
.search-wrap input { padding-left: 44px; }
.search-wrap::before {
  content: "⌕";
  position: absolute;
  left: 16px;
  top: 50%;
  translate: 0 -50%;
  color: var(--text-muted);
  font-weight: 900;
  z-index: 1;
}
.top-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.sidebar-toggle { white-space: nowrap; }
.accent-toggle { padding-left: 10px; }
.accent-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 0 0 4px var(--primary-soft);
}
.avatar {
  width: 42px;
  height: 42px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: var(--card-gradient);
  border: 1px solid var(--border);
  font-weight: 900;
}
.mobile-only { display: none; }

.page {
  padding: 28px;
  max-width: 1500px;
  margin: 0 auto;
}
.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}
.page-title h1 { font-size: clamp(2rem, 4vw, 2.4rem); }
.page-title p { margin: 10px 0 0; color: var(--text-muted); line-height: 1.6; max-width: 820px; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.metric-card, .content-card, .panel-card, .course-card, .library-card, .system-card {
  border-radius: var(--radius-lg);
}
.metric-card { padding: 20px; }
.metric-top { display: flex; align-items: center; justify-content: space-between; color: var(--text-muted); font-weight: 800; }
.metric-value { margin-top: 16px; font-size: 2.25rem; font-weight: 900; letter-spacing: -.06em; }
.metric-hint { color: var(--text-muted); margin-top: 4px; font-size: .9rem; }

.content-card { padding: 22px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 16px; flex-wrap: wrap; }
.card-head h2, .card-head h3 { margin: 0; letter-spacing: -.04em; }

.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 7px 10px;
  font-size: .78rem;
  font-weight: 900;
  color: var(--text-soft);
  background: var(--surface-3);
  border: 1px solid var(--border);
}
.chip.primary { background: var(--primary-soft); color: #ddd6fe; border-color: var(--primary-border); }
:root[data-theme="light"] .chip.primary { color: #5b21b6; }
.chip.success { color: #bbf7d0; background: rgba(16,185,129,.14); border-color: rgba(16,185,129,.22); }
:root[data-theme="light"] .chip.success { color: #047857; }
.chip.warning { color: #fed7aa; background: rgba(245,158,11,.13); border-color: rgba(245,158,11,.22); }
:root[data-theme="light"] .chip.warning { color: #b45309; }

.course-card, .library-card, .system-card {
  padding: 20px;
  min-height: 100%;
  background: var(--surface);
}
.course-card:hover, .library-card:hover, .system-card:hover { border-color: var(--border-strong); }
.card-title { margin: 12px 0 8px; font-weight: 900; letter-spacing: -.035em; font-size: 1.08rem; overflow-wrap: anywhere; }
.card-text { color: var(--text-muted); line-height: 1.55; font-size: .92rem; }

.progress {
  height: 9px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--surface-3);
  border: 1px solid var(--border);
}
.progress-bar {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}

.list { display: grid; gap: 10px; }
.list-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.035);
}
:root[data-theme="light"] .list-item { background: rgba(15,23,42,.025); }
.item-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--card-gradient);
  border: 1px solid var(--border);
}
.item-title { font-weight: 900; overflow-wrap: anywhere; }
.item-meta { color: var(--text-muted); font-size: .84rem; margin-top: 3px; }

.toolbar {
  display: grid;
  grid-template-columns: 1fr 210px 210px 160px auto;
  gap: 10px;
  margin-bottom: 18px;
}

.viewer-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 18px;
  align-items: start;
}
.viewer-frame {
  width: 100%;
  min-height: calc(100vh - 190px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
}
.viewer-frame iframe, .viewer-frame object {
  width: 100%;
  min-height: calc(100vh - 190px);
  border: 0;
  background: #fff;
}

.lesson-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 18px;
  align-items: start;
}
.video-shell {
  border: 1px solid var(--border);
  border-radius: 26px;
  background: #000;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.video-shell video { display: block; width: 100%; max-height: 68vh; background: #000; }
.lesson-list { max-height: calc(100vh - 190px); overflow: auto; padding-right: 4px; }
.lesson-button {
  width: 100%;
  text-align: left;
  display: grid;
  gap: 8px;
  padding: 14px;
  border-radius: 16px;
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.035);
}
.lesson-button.active { border-color: rgba(var(--primary-rgb), .50); background: var(--primary-soft); }

.admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 18px;
  align-items: start;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(2, 6, 23, .72);
  backdrop-filter: blur(18px);
}
.modal-card {
  width: min(720px, 100%);
  max-height: min(88vh, 820px);
  overflow: auto;
  border-radius: 28px;
  padding: 24px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.modal-head h2 { margin: 0; letter-spacing: -.04em; }

.table-wrap { overflow-x: auto; }
.table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}
.table th, .table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.table th { color: var(--text-muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }

.empty-state {
  padding: 36px 18px;
  text-align: center;
  color: var(--text-muted);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
}
.empty-state strong { display: block; color: var(--text); margin-bottom: 6px; }

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 200;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  max-width: 420px;
  padding: 14px 16px;
  border-radius: 16px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { border-color: rgba(239,68,68,.42); }

.kbd {
  font-size: .72rem;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 8px;
  padding: 2px 6px;
  color: var(--text-muted);
}

@media (max-width: 1180px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .toolbar { grid-template-columns: 1fr 1fr; }
  .lesson-layout, .viewer-layout, .admin-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .login-estrutura, .login-shell { grid-template-columns: 1fr; }
  .login-hero { min-height: auto; }
  .hero-title { margin-top: 46px; }
  .hero-stack { grid-template-columns: 1fr; }
  .app-estrutura, .app-shell,
  .app-estrutura.sidebar-collapsed, .app-shell.sidebar-collapsed { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    z-index: 50;
    inset: 0 auto 0 0;
    width: min(88vw, var(--sidebar-width));
    transform: translateX(-105%);
  }
  .app-estrutura.sidebar-open .sidebar,
  .app-shell.sidebar-open .sidebar,
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 45;
    background: rgba(2, 6, 23, .58);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
  }
  .app-estrutura.sidebar-open .sidebar-backdrop,
  .app-shell.sidebar-open .sidebar-backdrop {
    opacity: 1;
    pointer-events: auto;
  }
  .app-estrutura.sidebar-collapsed .brand-copy,
  .app-shell.sidebar-collapsed .brand-copy,
  .app-estrutura.sidebar-collapsed .nav-label,
  .app-shell.sidebar-collapsed .nav-label,
  .app-estrutura.sidebar-collapsed .sidebar-footer,
  .app-shell.sidebar-collapsed .sidebar-footer {
    width: auto;
    opacity: 1;
    overflow: visible;
    pointer-events: auto;
  }
  .app-estrutura.sidebar-collapsed .brand-row,
  .app-shell.sidebar-collapsed .brand-row,
  .app-estrutura.sidebar-collapsed .nav-item,
  .app-shell.sidebar-collapsed .nav-item,
  .app-estrutura.sidebar-collapsed .sidebar-header,
  .app-shell.sidebar-collapsed .sidebar-header {
    justify-content: space-between;
  }
  .mobile-only { display: inline-flex; }
  .topbar { padding: 14px; }
  .search-wrap { max-width: none; }
  .page { padding: 18px; }
  .page-head { align-items: stretch; flex-direction: column; }
  .grid-2, .grid-3, .grid-4, .toolbar { grid-template-columns: 1fr; }
  .top-actions .user-name { display: none; }
  .top-actions { gap: 8px; }
  .top-actions .btn-text, .top-actions [data-theme-label], .top-actions [data-accent-label] { display: none; }
  .list-item { grid-template-columns: auto minmax(0, 1fr); }
  .list-item > .btn, .list-item > a.btn { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  .login-page { padding: 16px; }
  .login-card, .content-card, .panel-card { padding: 18px; border-radius: 22px; }
  .topbar { gap: 10px; }
  .search-wrap input { padding-left: 38px; }
  .avatar { width: 38px; height: 38px; border-radius: 13px; }
  .toast { left: 14px; right: 14px; max-width: none; }
}


/* Patch de responsividade e usabilidade - 07/07/2026 */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}
body.menu-mobile-aberto { overflow: hidden; }

.app-estrutura, .app-shell, .main-area, .page, .content-card, .panel-card,
.course-card, .library-card, .system-card, .metrica-card, .metric-card {
  min-width: 0;
}

/* Compatibilidade com nomes em português gerados pelo JS */
.metrica-card {
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow-soft);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.metrica-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
  font-weight: 800;
}
.metrica-value {
  margin-top: 16px;
  font-size: clamp(1.8rem, 4vw, 2.25rem);
  font-weight: 900;
  letter-spacing: -.06em;
}
.metrica-hint { color: var(--text-muted); margin-top: 4px; font-size: .9rem; }

.progresso, .progress {
  height: 9px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--surface-3);
  border: 1px solid var(--border);
}
.progresso-bar, .progress-bar {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
}

.vazio-estado, .empty-state {
  padding: 36px 18px;
  text-align: center;
  color: var(--text-muted);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  grid-column: 1 / -1;
}
.vazio-estado strong, .empty-state strong { display: block; color: var(--text); margin-bottom: 6px; }

.video-estrutura, .video-shell {
  border: 1px solid var(--border);
  border-radius: 26px;
  background: #000;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.video-estrutura video, .video-shell video { display: block; width: 100%; max-height: 68vh; background: #000; }

/* Login com um único card centralizado */
@supports selector(:has(*)) {
  .login-estrutura:not(:has(.login-hero)), .login-shell:not(:has(.login-hero)) {
    grid-template-columns: minmax(0, 480px);
    justify-content: center;
  }
}

/* Menu recolhido: agora existe caminho visual para abrir novamente pelo próprio menu */
@media (min-width: 861px) {
  .app-estrutura.sidebar-collapsed .sidebar,
  .app-shell.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
  }

  .app-estrutura.sidebar-collapsed .sidebar-header,
  .app-shell.sidebar-collapsed .sidebar-header {
    justify-content: center;
    gap: 0;
    margin-bottom: 18px;
  }

  .app-estrutura.sidebar-collapsed .nav-list,
  .app-shell.sidebar-collapsed .nav-list { gap: 10px; }

  .app-estrutura.sidebar-collapsed .nav-item,
  .app-shell.sidebar-collapsed .nav-item {
    position: relative;
    height: 46px;
    padding: 11px;
  }

  .app-estrutura.sidebar-collapsed .nav-item:hover::after,
  .app-shell.sidebar-collapsed .nav-item:hover::after {
    content: attr(aria-label);
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    z-index: 80;
    white-space: nowrap;
    padding: 8px 10px;
    border-radius: 10px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
  }
}

/* Desktop menor / notebooks */
@media (max-width: 1320px) {
  :root { --sidebar-width: 270px; }
  .topbar { gap: 12px; padding-inline: 20px; }
  .search-wrap { max-width: 620px; }
  .toolbar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1080px) and (min-width: 861px) {
  .topbar {
    flex-wrap: wrap;
    align-items: center;
  }
  .search-wrap {
    order: 3;
    flex-basis: 100%;
    max-width: none;
  }
  .top-actions { margin-left: auto; }
  .top-actions .user-name { display: none; }
}

/* Tablet e celular */
@media (max-width: 860px) {
  .sidebar {
    max-width: 360px;
    box-shadow: 24px 0 80px rgba(0, 0, 0, .32);
  }

  .sidebar-header { gap: 12px; }
  .sidebar-footer { margin-top: 18px; }

  .topbar {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
  }

  .topbar-logo-trigger { display: grid; justify-self: start; }
  .topbar > .search-wrap {
    grid-column: 1 / -1;
    order: 3;
    width: 100%;
  }
  .top-actions {
    justify-self: end;
    min-width: 0;
  }

  .page { padding: clamp(14px, 4vw, 22px); }
  .page-title h1 { font-size: clamp(1.85rem, 9vw, 2.6rem); }
  .page-head > .btn, .page-head > a.btn { width: 100%; }

  .card-head { align-items: stretch; }
  .card-head .btn { width: 100%; }

  .viewer-frame,
  .viewer-frame iframe,
  .viewer-frame object {
    min-height: 68vh;
  }

  .lesson-list { max-height: none; padding-right: 0; }
  .video-estrutura video, .video-shell video { max-height: 56vh; }

  .modal-card {
    max-height: 92vh;
    border-radius: 22px;
    padding: 18px;
  }
}

@media (max-width: 680px) {
  .grid, .grid-2, .grid-3, .grid-4, .toolbar, .admin-grid, .lesson-layout, .viewer-layout {
    grid-template-columns: 1fr !important;
  }

  .btn {
    min-height: 42px;
    padding-inline: 13px;
  }

  .content-card, .panel-card, .course-card, .library-card, .system-card, .metrica-card {
    padding: 16px;
    border-radius: 18px;
  }

  .list-item {
    align-items: start;
  }

  .top-actions .btn {
    min-width: 40px;
    padding-inline: 10px;
  }

  .avatar { display: none; }
  .table { min-width: 620px; }
}

@media (max-width: 420px) {
  .login-card { padding: 20px; }
  .logo-mark.small { width: 36px; height: 36px; border-radius: 12px; }
  .sidebar { width: min(92vw, 340px); padding: 18px; }
  .topbar { padding: 12px; }
  .search-wrap input { min-height: 42px; }
  .page { padding: 14px; }
  .chip { max-width: 100%; overflow-wrap: anywhere; }
  .modal-backdrop { padding: 10px; }
}

.login-simples {
  grid-template-columns: minmax(0, 480px);
  justify-content: center;
}


.app-estrutura.sidebar-collapsed .menu-logo,
.app-shell.sidebar-collapsed .menu-logo {
  box-shadow: 0 16px 42px rgba(var(--primary-rgb), .34);
}

/* Patch visual: navegação sem abreviações e menu recolhido sem barra vertical */
.sidebar {
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

.nav-icon {
  width: 22px;
  min-width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  font-size: 0;
  color: transparent;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), .24), rgba(var(--primary-2-rgb), .16));
  border: 1px solid var(--primary-border);
  box-shadow: 0 0 0 5px rgba(var(--primary-rgb), .06);
}

.nav-icon::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--text-muted);
  opacity: .82;
}

.nav-item.active .nav-icon::before,
.nav-item:hover .nav-icon::before {
  background: var(--text);
  opacity: 1;
}

.item-icon {
  font-size: 0;
  color: transparent;
}

.item-icon::before {
  content: "";
  width: 16px;
  height: 16px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 0 0 7px var(--primary-soft);
}

@media (min-width: 861px) {
  .app-estrutura.sidebar-collapsed,
  .app-shell.sidebar-collapsed {
    grid-template-columns: 68px minmax(0, 1fr);
  }

  .app-estrutura.sidebar-collapsed .sidebar,
  .app-shell.sidebar-collapsed .sidebar {
    width: 68px;
    padding: 16px 10px;
    border-right: 0;
    background: transparent;
    backdrop-filter: none;
    box-shadow: none;
    overflow: visible;
  }

  .app-estrutura.sidebar-collapsed .nav-list,
  .app-shell.sidebar-collapsed .nav-list,
  .app-estrutura.sidebar-collapsed .sidebar-footer,
  .app-shell.sidebar-collapsed .sidebar-footer {
    display: none;
  }

  .app-estrutura.sidebar-collapsed .sidebar-header,
  .app-shell.sidebar-collapsed .sidebar-header {
    margin-bottom: 0;
  }

  .app-estrutura.sidebar-collapsed .brand-row,
  .app-shell.sidebar-collapsed .brand-row {
    justify-content: center;
  }
}

.metric-dot {
  width: 10px;
  height: 10px;
  display: inline-block;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 0 0 5px var(--primary-soft);
}

/* Patch MVP: gestão final de categorias, cursos, vídeos e manuais */
.card-actions,
.manager-actions,
.mvp-quick-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.card-actions {
  margin-top: 14px;
}

.mvp-quick-actions {
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), .10), rgba(var(--primary-2-rgb), .06));
  box-shadow: var(--shadow-soft);
}

.mvp-manager-card {
  min-width: 0;
}

.manager-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.manager-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface-2);
}

.manager-item .card-text {
  margin: 6px 0 0;
}

.manager-actions {
  justify-content: flex-end;
}

.toolbar-compact {
  grid-template-columns: minmax(160px, 1fr) minmax(150px, .8fr) auto;
  gap: 10px;
}

.toolbar-compact:has(select + select) {
  grid-template-columns: minmax(160px, 1fr) minmax(145px, .7fr) minmax(145px, .7fr) auto;
}

.toolbar-mvp {
  margin-bottom: 18px;
}

.form-help {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px dashed var(--border);
  color: var(--text-soft);
  background: var(--surface-2);
  font-size: .92rem;
  line-height: 1.5;
}

@media (max-width: 860px) {
  .manager-item {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .manager-actions,
  .card-actions,
  .mvp-quick-actions {
    align-items: stretch;
  }

  .manager-actions .btn,
  .card-actions .btn,
  .mvp-quick-actions .btn {
    flex: 1 1 140px;
  }
}

@media (max-width: 680px) {
  .toolbar-compact,
  .toolbar-mvp {
    grid-template-columns: 1fr !important;
  }

  .manager-actions .btn,
  .card-actions .btn,
  .mvp-quick-actions .btn {
    flex-basis: 100%;
  }
}

.toolbar-sistemas {
  grid-template-columns: minmax(180px, 1fr) auto;
}

@media (max-width: 680px) {
  .toolbar-sistemas {
    grid-template-columns: 1fr !important;
  }
}

/* Patch administração: evita que filtros e botões estourem os cards */
.page-admin-mvp .admin-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-admin-mvp .mvp-manager-card {
  overflow: hidden;
}

.page-admin-mvp .toolbar,
.page-admin-mvp .toolbar-compact,
.page-admin-mvp .toolbar-mvp {
  width: 100%;
  max-width: 100%;
}

.page-admin-mvp .toolbar-compact {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr));
  align-items: stretch;
}

.page-admin-mvp .toolbar-compact.toolbar-sistemas {
  grid-template-columns: minmax(0, 1fr) auto;
}

.page-admin-mvp .toolbar-compact > .input,
.page-admin-mvp .toolbar-compact > .select,
.page-admin-mvp .toolbar-compact > .btn {
  min-width: 0;
  max-width: 100%;
}

.page-admin-mvp .toolbar-compact > .btn {
  white-space: nowrap;
}

.page-admin-mvp .manager-list,
.page-admin-mvp .manager-item,
.page-admin-mvp .manager-item > div {
  min-width: 0;
}

@media (max-width: 1180px) {
  .page-admin-mvp .admin-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .page-admin-mvp .toolbar-compact,
  .page-admin-mvp .toolbar-compact.toolbar-sistemas {
    grid-template-columns: 1fr !important;
  }

  .page-admin-mvp .toolbar-compact > .btn {
    width: 100%;
  }
}