/* ═══════════════════════════════════════════════════════════════
   PLATAFORMA DE CURSOS v3.0 — CSS COMPLETO
   ═══════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── TOKENS ── */
:root {
  --black:       #040605;
  --bg:          #070a08;
  --bg-2:        #0b0f0c;
  --bg-3:        #0f1510;
  --surface:     #111814;
  --surface-2:   #151e18;
  --surface-3:   #192119;

  --border:      rgba(34,197,94,.11);
  --border-md:   rgba(34,197,94,.26);
  --border-hi:   rgba(34,197,94,.52);

  --green:       #22c55e;
  --green-2:     #16a34a;
  --green-3:     #15803d;
  --green-dim:   rgba(34,197,94,.1);
  --green-dim-2: rgba(34,197,94,.18);
  --glow-sm:     0 0 12px rgba(34,197,94,.2);
  --glow-md:     0 0 24px rgba(34,197,94,.3);
  --neon:        0 0 0 1px rgba(34,197,94,.3), 0 0 32px rgba(34,197,94,.15);

  --text:        #dff2e4;
  --text-2:      #9ab8a0;
  --text-3:      #5a7a62;

  --blue:        #60a5fa;
  --amber:       #f59e0b;
  --red:         #f87171;
  --red-dim:     rgba(248,113,113,.12);
  --amber-dim:   rgba(245,158,11,.12);
  --blue-dim:    rgba(96,165,250,.12);

  --font:        'Outfit', sans-serif;
  --mono:        'JetBrains Mono', monospace;

  --r-xs: 5px; --r-sm: 8px; --r-md: 12px;
  --r-lg: 16px; --r-xl: 20px; --r-2xl: 26px; --r-3xl: 32px;

  --shadow:    0 4px 24px rgba(0,0,0,.5);
  --shadow-lg: 0 16px 60px rgba(0,0,0,.65);

  --sidebar-w: 250px;
  --topbar-h:  60px;
  --ease: cubic-bezier(.22,1,.36,1);
}

/* ── RESET ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-md); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--green); }
h1,h2,h3,h4,h5 { font-family: var(--font); font-weight: 700; }
button { font-family: var(--font); cursor: pointer; outline: none; border: none; }
input, textarea, select { font-family: var(--font); }
input, textarea { caret-color: var(--green); user-select: text; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
::selection { background: rgba(34,197,94,.25); color: var(--text); }

/* ═══════════════════════════════════════════════════════════════
   TOAST
   ═══════════════════════════════════════════════════════════════ */
#toast-container {
  position: fixed; bottom: 26px; right: 22px;
  z-index: 9999; display: flex; flex-direction: column;
  gap: 8px; pointer-events: none;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 17px; border-radius: var(--r-lg);
  font-size: 13px; font-weight: 500;
  min-width: 250px; max-width: 360px;
  pointer-events: all; border: 1px solid;
  backdrop-filter: blur(14px);
  animation: toastIn .3s var(--ease) both;
  box-shadow: var(--shadow-lg);
}
.toast.out { animation: toastOut .22s ease-in both; }
@keyframes toastIn  { from{opacity:0;transform:translateY(12px) scale(.95)} to{opacity:1;transform:none} }
@keyframes toastOut { to{opacity:0;transform:translateY(8px) scale(.95)} }
.toast-ok  { background: rgba(11,17,12,.93); border-color: var(--border-hi); color: #86efac; }
.toast-err { background: rgba(20,8,8,.93);   border-color: rgba(248,113,113,.4); color: #fca5a5; }
.toast-inf { background: rgba(8,12,20,.93);  border-color: rgba(96,165,250,.35); color: #93c5fd; }
.toast-ico { font-size: 15px; flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════════════
   LOGIN
   ═══════════════════════════════════════════════════════════════ */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 24px; position: relative; overflow: hidden;
  background: var(--bg);
}
.login-page::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(34,197,94,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,197,94,.04) 1px, transparent 1px);
  background-size: 52px 52px;
  animation: gridMove 28s linear infinite;
}
@keyframes gridMove { to { background-position: 52px 52px; } }
.login-page::after {
  content: '';
  position: absolute; top: -20%; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 400px;
  background: radial-gradient(ellipse, rgba(34,197,94,.1), transparent 65%);
  pointer-events: none;
}
.login-card {
  width: 100%; max-width: 400px;
  position: relative; z-index: 1;
  background: var(--surface);
  border: 1px solid var(--border-md);
  border-radius: var(--r-3xl);
  padding: 44px 40px 40px;
  box-shadow: var(--shadow-lg), var(--neon);
  animation: cardUp .5s var(--ease) both;
}
@keyframes cardUp {
  from { opacity:0; transform: translateY(28px) scale(.96); }
  to   { opacity:1; transform: translateY(0) scale(1); }
}
.login-card::before {
  content: '';
  position: absolute; top: 0; left: 15%; right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  border-radius: 99px;
}
.login-brand {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; margin-bottom: 36px;
}
.login-brand-icon {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--green), var(--green-3));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; box-shadow: var(--glow-md);
}
.login-brand-name { font-size: 19px; font-weight: 800; letter-spacing: -.3px; }
.login-field { margin-bottom: 16px; }
.login-field label {
  display: block; font-size: 11px; font-weight: 700;
  color: var(--text-3); text-transform: uppercase;
  letter-spacing: .08em; margin-bottom: 7px;
}
.login-input {
  width: 100%; padding: 12px 14px;
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--r-md); color: var(--text); font-size: 14px;
  transition: border-color .2s, box-shadow .2s;
}
.login-input:focus {
  outline: none; border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(34,197,94,.12);
}
.login-input::placeholder { color: var(--text-3); }
.login-btn {
  width: 100%; padding: 13px;
  background: linear-gradient(135deg, var(--green), var(--green-3));
  color: #000; font-size: 14px; font-weight: 700;
  border-radius: var(--r-md);
  transition: all .2s; margin-top: 6px;
}
.login-btn:hover { box-shadow: var(--glow-md); transform: translateY(-1px); }
.login-btn:active { transform: scale(.98); }
.login-hint {
  margin-top: 20px; padding: 11px 14px;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 12px; color: var(--text-3);
  font-family: var(--mono); line-height: 1.7;
}
.login-hint strong { color: var(--green); }

/* ═══════════════════════════════════════════════════════════════
   LAYOUT SHELL
   ═══════════════════════════════════════════════════════════════ */
.container { display: flex; min-height: 100vh; }

/* ── SIDEBAR ── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--black);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  flex-shrink: 0;
  transition: width .3s var(--ease);
  position: relative; z-index: 50;
  overflow: hidden;
}
.sidebar::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 10%, var(--green) 50%, transparent 90%);
  opacity: .6;
}

/* sb-header */
.sb-header {
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 11px;
  padding: 0 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sb-logo {
  width: 30px; height: 30px;
  background: linear-gradient(135deg, var(--green), var(--green-3));
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; flex-shrink: 0;
  box-shadow: var(--glow-sm);
}
.sb-name {
  font-size: 14px; font-weight: 800; letter-spacing: -.2px;
  white-space: nowrap; overflow: hidden;
}

/* sb-nav */
.sb-nav {
  flex: 1; padding: 10px 8px;
  overflow-y: auto; overflow-x: hidden;
}
.sb-section {
  font-size: 10px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--text-3);
  padding: 14px 10px 5px;
  white-space: nowrap; overflow: hidden;
}

/* nav-btn */
.nav-btn {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 9px 10px;
  border-radius: var(--r-md);
  background: transparent;
  color: var(--text-3); font-size: 13px; font-weight: 500;
  transition: all .16s;
  white-space: nowrap; overflow: hidden;
  position: relative;
}
.nav-btn svg { width: 16px; height: 16px; flex-shrink: 0; transition: color .16s; }
.nav-btn:hover { background: var(--green-dim); color: var(--text); }
.nav-btn.active {
  background: var(--green-dim-2);
  color: var(--green); font-weight: 600;
  border: 1px solid var(--border-md);
}
.nav-btn.active svg { color: var(--green); }
.nav-btn.active::after {
  content: '';
  position: absolute; right: 9px; top: 50%;
  transform: translateY(-50%);
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 6px var(--green);
}
.nav-btn.danger { color: #f87171; }
.nav-btn.danger:hover { background: rgba(248,113,113,.1); color: #fca5a5; }

/* sb-footer */
.sb-footer { padding: 10px 8px; border-top: 1px solid var(--border); }
.sb-user {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 10px;
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--r-md); overflow: hidden;
}
.sb-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--green-3));
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800; color: #000; flex-shrink: 0;
}
.sb-uname { font-size: 12px; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sb-urole { font-size: 11px; color: var(--text-3); }

/* Collapsed */
.sidebar.sidebar-collapsed { width: 56px; }
.sidebar.sidebar-collapsed .sb-name,
.sidebar.sidebar-collapsed .sb-section,
.sidebar.sidebar-collapsed .nav-btn span,
.sidebar.sidebar-collapsed .sb-uname,
.sidebar.sidebar-collapsed .sb-urole { display: none; }
.sidebar.sidebar-collapsed .nav-btn { justify-content: center; padding: 9px; }
.sidebar.sidebar-collapsed .nav-btn.active::after { display: none; }
.sidebar.sidebar-collapsed .sb-user { justify-content: center; padding: 9px; }
.sidebar.sidebar-collapsed .sb-header { justify-content: center; padding: 0; }
.sidebar.sidebar-collapsed .sb-nav { padding: 10px 6px; }
.sidebar.sidebar-collapsed .sb-footer { padding: 8px 6px; }

/* ── MAIN ── */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

/* ── TOPBAR ── */
.topbar {
  height: var(--topbar-h);
  background: rgba(7,10,8,.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 22px; flex-shrink: 0;
  position: sticky; top: 0; z-index: 40;
}
.tb-left { display: flex; align-items: center; gap: 12px; }
.tb-toggle {
  width: 34px; height: 34px;
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--r-sm); color: var(--text-2);
  display: flex; align-items: center; justify-content: center;
  transition: all .18s;
}
.tb-toggle:hover { border-color: var(--border-md); color: var(--text); }
.tb-brand { font-size: 14px; font-weight: 700; color: var(--text-2); }
.tb-right { display: flex; align-items: center; gap: 8px; }
.tb-pill {
  display: flex; align-items: center; gap: 6px;
  padding: 5px 12px;
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: 99px; font-size: 12px; color: var(--text-2); font-weight: 500;
}
.tb-pill .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 6px var(--green);
  animation: blink 2.4s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.35} }
.tb-icon-btn {
  width: 34px; height: 34px;
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--r-sm); color: var(--text-2); font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  transition: all .18s;
}
.tb-icon-btn:hover { border-color: var(--border-md); color: var(--text); }
.tb-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--green-3));
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800; color: #000;
  border: 2px solid var(--border-md);
}

/* ── CONTENT ── */
.content {
  flex: 1; padding: 26px 28px;
  overflow-y: auto; background: var(--bg);
}
@keyframes pageIn {
  from { opacity:0; transform: translateY(10px); }
  to   { opacity:1; transform: translateY(0); }
}
.page-in { animation: pageIn .3s var(--ease) both; }

/* ═══════════════════════════════════════════════════════════════
   BASE COMPONENTS
   ═══════════════════════════════════════════════════════════════ */

/* PAGE HEADER */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 26px; gap: 14px; flex-wrap: wrap;
}
.page-title { font-size: 24px; font-weight: 800; letter-spacing: -.4px; }
.page-sub   { font-size: 13px; color: var(--text-3); margin-top: 3px; }

/* CARD */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}
.card-lift:hover { border-color: var(--border-hi); box-shadow: var(--neon); transform: translateY(-3px); }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 17px; border-radius: var(--r-md);
  font-size: 13px; font-weight: 600;
  transition: all .18s; cursor: pointer;
}
.btn svg { width: 14px; height: 14px; }
.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green-3));
  color: #000; border: none;
}
.btn-primary:hover { box-shadow: var(--glow-md); transform: translateY(-1px); }
.btn-primary:active { transform: scale(.98); }
.btn-ghost {
  background: transparent; color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--border-md); color: var(--text); background: var(--green-dim); }
.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff; border: none;
}
.btn-danger:hover { box-shadow: 0 0 20px rgba(239,68,68,.3); transform: translateY(-1px); }
.btn-sm { padding: 7px 13px; font-size: 12px; }
.btn-lg { padding: 12px 22px; font-size: 14.5px; }
.btn-full { width: 100%; justify-content: center; }
.btn:disabled, .btn-disabled {
  background: var(--bg-3) !important; color: var(--text-3) !important;
  border: 1px solid var(--border) !important;
  box-shadow: none !important; transform: none !important;
  cursor: not-allowed !important; opacity: .6;
}

/* FORM */
.field { margin-bottom: 15px; }
.field-label {
  display: block; font-size: 11px; font-weight: 700;
  color: var(--text-3); letter-spacing: .07em;
  text-transform: uppercase; margin-bottom: 6px;
}
.field-hint { font-size: 11px; color: var(--text-3); margin-top: 5px; line-height: 1.5; }
.input, .select, .textarea {
  width: 100%; padding: 10px 13px;
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--r-md); color: var(--text); font-size: 13.5px;
  transition: border-color .18s, box-shadow .18s;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(34,197,94,.1);
}
.input::placeholder, .textarea::placeholder { color: var(--text-3); }
.select { appearance: none; cursor: pointer; }
.textarea { resize: vertical; min-height: 80px; line-height: 1.6; }
.select-wrap { position: relative; }
.select-wrap::after {
  content: '▾'; position: absolute; right: 11px; top: 50%;
  transform: translateY(-50%); color: var(--text-3);
  pointer-events: none; font-size: 11px;
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* UPLOAD ZONE */
.upload-zone {
  position: relative; width: 100%; min-height: 128px;
  border: 2px dashed var(--border-md); border-radius: var(--r-xl);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 7px;
  cursor: pointer; transition: all .2s; background: var(--bg-3); overflow: hidden;
}
.upload-zone:hover     { border-color: var(--green); background: var(--green-dim); }
.upload-zone.drag-over { border-color: var(--green); background: var(--green-dim-2); box-shadow: var(--neon); }
.upload-zone input[type=file] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.upload-icon  { font-size: 30px; opacity: .55; pointer-events: none; }
.upload-text  { font-size: 13px; color: var(--text-2); font-weight: 500; pointer-events: none; }
.upload-hint  { font-size: 11px; color: var(--text-3); pointer-events: none; }
.upload-preview {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  border-radius: calc(var(--r-xl) - 2px);
  display: none;
}
.upload-preview-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.52);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 5px;
  opacity: 0; transition: opacity .2s;
  border-radius: calc(var(--r-xl) - 2px);
}
.upload-zone:hover .upload-preview-overlay { opacity: 1; }
.upload-preview-overlay span { font-size: 12px; color: #fff; font-weight: 600; pointer-events: none; }
.upload-content { display: flex; flex-direction: column; align-items: center; gap: 6px; pointer-events: none; }
.upload-content.hidden { display: none; }

.or-row {
  display: flex; align-items: center; gap: 9px;
  margin: 9px 0; color: var(--text-3); font-size: 10.5px;
  font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
}
.or-row::before, .or-row::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* BADGES */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px; border-radius: 99px;
  font-size: 11px; font-weight: 600;
}
.badge-green  { background: rgba(34,197,94,.14); color: #86efac; border: 1px solid rgba(34,197,94,.22); }
.badge-blue   { background: var(--blue-dim);     color: #93c5fd; border: 1px solid rgba(96,165,250,.22); }
.badge-amber  { background: var(--amber-dim);    color: #fcd34d; border: 1px solid rgba(245,158,11,.22); }
.badge-red    { background: var(--red-dim);      color: #fca5a5; border: 1px solid rgba(248,113,113,.22); }
.badge-purple { background: rgba(167,139,250,.12); color: #c4b5fd; border: 1px solid rgba(167,139,250,.22); }

/* PROGRESS */
.prog-track {
  width: 100%; height: 5px;
  background: var(--bg-3); border-radius: 99px; overflow: hidden;
}
.prog-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green-3), var(--green));
  border-radius: 99px;
  transition: width .6s var(--ease);
}
.prog-fill-wide { height: 8px; }

/* DIVIDER */
.divider { height: 1px; background: var(--border); margin: 18px 0; }

/* EMPTY STATE */
.empty { text-align: center; padding: 52px 20px; }
.empty-icon { font-size: 44px; margin-bottom: 12px; opacity: .45; }
.empty h3 { font-size: 15px; color: var(--text-2); margin-bottom: 6px; }
.empty p { font-size: 13px; color: var(--text-3); line-height: 1.6; }

/* TIP */
.tip {
  padding: 10px 13px;
  background: var(--bg-3); border: 1px solid var(--border);
  border-left: 3px solid var(--green); border-radius: var(--r-sm);
  font-size: 12px; color: var(--text-3); line-height: 1.5; margin-bottom: 15px;
}
.tip strong { color: var(--green); }

/* NESTED BLOCK */
.nested {
  padding: 13px; margin-top: 10px;
  background: var(--bg-3);
  border: 1px dashed var(--border-md); border-radius: var(--r-md);
}
.nested-label {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--green); margin-bottom: 11px;
  display: flex; align-items: center; gap: 5px;
}
.nested-label svg { width: 12px; height: 12px; }

/* BACK BTN */
.back-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 600; color: var(--text-3);
  padding: 6px 0; margin-bottom: 12px;
  background: none; border: none; cursor: pointer; transition: color .16s;
}
.back-btn:hover { color: var(--green); }
.back-btn svg { width: 14px; height: 14px; }

/* ═══════════════════════════════════════════════════════════════
   HOME / INÍCIO
   ═══════════════════════════════════════════════════════════════ */
.hero {
  position: relative; height: 340px;
  border-radius: var(--r-2xl); overflow: hidden;
  margin-bottom: 26px;
  border: 1px solid var(--border-md);
  background-image: url("../assets/images/hero.jpg");
  background-size: cover; background-position: center;
  box-shadow: var(--shadow-lg);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(110deg, rgba(0,0,0,.92) 0%, rgba(0,0,0,.6) 45%, rgba(0,0,0,.12) 100%);
}
.hero-scan {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,.03) 2px, rgba(0,0,0,.03) 4px);
}
.hero-body {
  position: relative; z-index: 2;
  padding: 46px 50px; height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  max-width: 580px;
}
.hero-eyebrow {
  font-size: 11px; font-weight: 700;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--green); margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.hero-eyebrow::before { content: ''; width: 18px; height: 1px; background: var(--green); }
.hero-title {
  font-size: 44px; font-weight: 800;
  line-height: 1.05; letter-spacing: -.8px;
  color: #fff; margin-bottom: 10px;
}
.hero-sub { font-size: 15px; color: rgba(255,255,255,.6); line-height: 1.65; margin-bottom: 26px; }

.area-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  gap: 13px; margin-bottom: 24px;
}
.area-card {
  padding: 18px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-xl); transition: all .22s;
}
.area-card:hover { border-color: var(--border-md); transform: translateY(-3px); box-shadow: var(--shadow); }
.area-icon {
  width: 36px; height: 36px; border-radius: var(--r-md);
  background: var(--green-dim); border: 1px solid var(--border-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--green); margin-bottom: 11px;
}
.area-icon svg { width: 16px; height: 16px; }
.area-title { font-size: 13px; font-weight: 700; margin-bottom: 4px; }
.area-desc  { font-size: 12px; color: var(--text-3); line-height: 1.5; }

.about-card { padding: 22px; }
.about-card h2 { font-size: 16px; margin-bottom: 9px; }
.about-card p  { font-size: 13px; color: var(--text-2); line-height: 1.75; }

/* ═══════════════════════════════════════════════════════════════
   DASHBOARD
   ═══════════════════════════════════════════════════════════════ */
.stats-row {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 14px; margin-bottom: 20px;
}
.stat-card {
  padding: 20px; display: flex; align-items: center;
  justify-content: space-between; gap: 14px; transition: all .22s;
}
.stat-card:hover { border-color: var(--border-md); transform: translateY(-2px); }
.stat-label { font-size: 12px; color: var(--text-3); font-weight: 500; margin-bottom: 5px; }
.stat-val   { font-size: 30px; font-weight: 800; color: var(--green); letter-spacing: -.5px; line-height: 1; }
.stat-ico {
  width: 44px; height: 44px; border-radius: var(--r-lg);
  background: var(--green-dim); border: 1px solid var(--border-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--green); flex-shrink: 0;
}
.stat-ico svg { width: 20px; height: 20px; }

.continue-card {
  padding: 20px; display: flex; align-items: center; gap: 18px;
  margin-bottom: 18px; flex-wrap: wrap;
}
.continue-ico {
  width: 46px; height: 46px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--green), var(--green-3));
  border-radius: var(--r-lg); display: flex; align-items: center; justify-content: center;
  font-size: 20px; box-shadow: var(--glow-sm);
}
.continue-body { flex: 1; min-width: 160px; }
.continue-label { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); margin-bottom: 4px; }
.continue-title { font-size: 15px; font-weight: 700; margin-bottom: 9px; }

.big-prog-card { padding: 22px; }
.big-prog-card h3 { font-size: 14px; font-weight: 700; margin-bottom: 14px; }
.big-prog-wrap { display: flex; align-items: center; gap: 20px; }
.ring-svg { width: 88px; height: 88px; transform: rotate(-90deg); flex-shrink: 0; }
.ring-bg   { fill: none; stroke: var(--bg-3); stroke-width: 7; }
.ring-fill { fill: none; stroke: var(--green); stroke-width: 7; stroke-linecap: round; transition: stroke-dashoffset .7s var(--ease); }
.big-prog-inner { flex: 1; }
.big-prog-track {
  width: 100%; height: 10px;
  background: var(--bg-3); border-radius: 99px; overflow: hidden;
}
.big-prog-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green-3), var(--green), var(--blue));
  border-radius: 99px; transition: width .7s var(--ease);
  position: relative;
}
.big-prog-fill::after {
  content: ''; position: absolute; right: 0; top: 0; bottom: 0;
  width: 20px; background: rgba(255,255,255,.2); filter: blur(4px);
}
.big-prog-meta {
  display: flex; justify-content: space-between;
  margin-top: 9px; font-size: 12px; color: var(--text-3);
}

/* ═══════════════════════════════════════════════════════════════
   CURSOS GRID
   ═══════════════════════════════════════════════════════════════ */
.search-row { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.search-box { position: relative; flex: 1; max-width: 340px; }
.search-box svg {
  position: absolute; left: 11px; top: 50%;
  transform: translateY(-50%); width: 15px; height: 15px;
  color: var(--text-3); pointer-events: none;
}
.search-inp {
  width: 100%; padding: 9px 13px 9px 34px;
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--r-md); color: var(--text); font-size: 13.5px; transition: all .2s;
}
.search-inp:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(34,197,94,.1); }
.search-inp::placeholder { color: var(--text-3); }

.course-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(265px,1fr));
  gap: 18px;
}
.course-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-xl); overflow: hidden; cursor: pointer;
  display: flex; flex-direction: column; transition: all .22s;
}
.course-card:hover {
  border-color: var(--border-md); transform: translateY(-4px);
  box-shadow: var(--shadow), 0 0 0 1px rgba(34,197,94,.12);
}
.course-thumb {
  height: 150px; background-size: cover; background-position: center;
  background-color: var(--bg-3);
  position: relative; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 36px;
}
.course-thumb-grad {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(7,10,8,.8) 0%, transparent 55%);
}
.course-thumb-no-img { opacity: .3; }
.course-thumb-badge { position: absolute; top: 10px; right: 10px; }
.course-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.course-name { font-size: 14.5px; font-weight: 800; margin-bottom: 5px; }
.course-desc { font-size: 12px; color: var(--text-3); line-height: 1.55; flex: 1; margin-bottom: 13px; }
.course-prog-row { margin-bottom: 13px; }
.course-prog-label { font-size: 11px; color: var(--text-3); margin-bottom: 5px; display: flex; justify-content: space-between; }

/* ═══════════════════════════════════════════════════════════════
   PLAYER
   ═══════════════════════════════════════════════════════════════ */
.player-layout { display: grid; grid-template-columns: 1fr 320px; gap: 18px; align-items: start; }
.video-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-xl); overflow: hidden;
}
.video-card iframe { width: 100%; height: 390px; display: block; border: none; }
.video-footer {
  padding: 14px 16px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.video-titulo { font-size: 13.5px; font-weight: 600; }

.lesson-panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-xl); max-height: 520px; overflow-y: auto;
}
.lesson-panel-hdr {
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em; color: var(--text-3);
  display: flex; justify-content: space-between; align-items: center;
  position: sticky; top: 0; background: var(--surface); z-index: 1;
}

/* Accordion */
.acc-cat { border-bottom: 1px solid var(--border); }
.acc-cat-hdr {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 14px; cursor: pointer;
  font-size: 12.5px; font-weight: 700; color: var(--text-2);
  background: var(--surface-2); transition: background .14s; user-select: none;
}
.acc-cat-hdr:hover { background: var(--green-dim); color: var(--text); }
.acc-arrow { font-size: 10px; opacity: .6; transition: transform .2s; }
.acc-arrow.open { transform: rotate(90deg); }
.acc-sub { border-bottom: 1px solid rgba(34,197,94,.06); }
.acc-sub-hdr {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 18px; cursor: pointer;
  font-size: 12px; color: var(--text-3);
  transition: background .14s; user-select: none;
}
.acc-sub-hdr:hover { background: var(--bg-3); color: var(--text-2); }

.lesson {
  padding: 9px 18px 9px 26px; cursor: pointer;
  font-size: 12px; color: var(--text-3);
  display: flex; align-items: center; gap: 7px;
  border-left: 2px solid transparent; transition: all .14s;
}
.lesson:hover { background: var(--bg-3); color: var(--text-2); border-left-color: var(--border-md); }
.lesson.active { background: var(--green-dim); color: var(--text); border-left-color: var(--green); }
.lesson.done { color: var(--green); }
.lesson.done::before { content: '✓'; font-size: 10px; font-weight: 800; color: var(--green); flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════════════
   PROGRESSO
   ═══════════════════════════════════════════════════════════════ */
.prog-overview {
  padding: 26px; display: flex; align-items: center; gap: 26px;
  margin-bottom: 18px;
}
.prog-pct   { font-size: 38px; font-weight: 800; color: var(--green); line-height: 1; margin-bottom: 4px; letter-spacing: -1px; }
.prog-desc  { font-size: 13px; color: var(--text-3); margin-bottom: 12px; }
.prog-nums  { display: flex; gap: 18px; font-size: 12px; color: var(--text-3); }
.prog-nums strong { color: var(--text-2); font-weight: 700; }

.aulas-card { border-radius: var(--r-xl); overflow: hidden; }
.aulas-hdr  { padding: 14px 18px; border-bottom: 1px solid var(--border); font-size: 13px; font-weight: 700; }
.aula-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 18px; border-bottom: 1px solid rgba(34,197,94,.05);
  font-size: 13px; transition: background .14s;
}
.aula-row:last-child { border-bottom: none; }
.aula-row:hover { background: var(--bg-3); }
.aula-name    { color: var(--text-2); }
.done-tag     { color: var(--green); font-size: 12px; font-weight: 700; display: flex; align-items: center; gap: 4px; }
.done-tag svg { width: 12px; height: 12px; }
.pending-tag  { color: var(--text-3); font-size: 12px; }

.next-card {
  padding: 18px; display: flex; align-items: center;
  justify-content: space-between; gap: 14px; margin-bottom: 18px;
}
.next-label { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--green); margin-bottom: 3px; }
.next-name  { font-size: 14.5px; font-weight: 700; }

.cert-card {
  padding: 38px; text-align: center;
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border-hi); border-radius: var(--r-2xl);
  box-shadow: var(--neon), var(--shadow-lg);
  position: relative; overflow: hidden; margin-top: 4px;
}
.cert-card::before {
  content: ''; position: absolute; top: -60px; left: 50%;
  transform: translateX(-50%); width: 250%; height: 250%;
  background: radial-gradient(ellipse at center top, rgba(34,197,94,.08), transparent 55%);
  pointer-events: none;
}
.cert-icon { font-size: 50px; margin-bottom: 14px; }
.cert-card h2 { font-size: 22px; margin-bottom: 8px; }
.cert-card p  { font-size: 13px; color: var(--text-3); margin-bottom: 22px; }

/* ═══════════════════════════════════════════════════════════════
   PROVAS
   ═══════════════════════════════════════════════════════════════ */
.exam-lock-card { padding: 38px; text-align: center; max-width: 440px; }
.exam-lock-ico {
  width: 62px; height: 62px; margin: 0 auto 18px;
  background: var(--green-dim); border: 1px solid var(--border-md);
  border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--green);
}
.exam-lock-ico svg { width: 26px; height: 26px; }
.exam-lock-card h2 { font-size: 19px; margin-bottom: 8px; }
.exam-lock-card p  { font-size: 13px; color: var(--text-3); margin-bottom: 20px; }
.exam-start-card   { padding: 30px; max-width: 480px; }
.exam-start-card h3 { font-size: 18px; margin-bottom: 8px; }
.exam-start-card p  { font-size: 13px; color: var(--text-3); margin-bottom: 22px; }
.exam-form { max-width: 660px; }
.exam-q {
  padding: 20px; margin-bottom: 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-xl); transition: border-color .18s;
}
.exam-q:focus-within { border-color: var(--border-md); }
.exam-qnum  { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--green); margin-bottom: 6px; }
.exam-qtext { font-size: 14.5px; font-weight: 700; margin-bottom: 14px; }
.exam-opt {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 13px; border-radius: var(--r-md); cursor: pointer;
  font-size: 13.5px; color: var(--text-2); transition: background .14s;
}
.exam-opt:hover { background: var(--bg-3); color: var(--text); }
.exam-opt input[type="radio"] { accent-color: var(--green); }
.exam-result-card { padding: 38px; text-align: center; max-width: 440px; }
.exam-score   { font-size: 52px; font-weight: 800; letter-spacing: -2px; margin-bottom: 6px; }
.exam-verdict { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.exam-vdesc   { font-size: 13px; color: var(--text-3); margin-bottom: 22px; }
.exam-pass { color: var(--green); }
.exam-fail { color: var(--red); }

/* ═══════════════════════════════════════════════════════════════
   MATERIAL
   ═══════════════════════════════════════════════════════════════ */
.mat-hero {
  padding: 28px 32px; margin-bottom: 20px;
  display: flex; align-items: center; gap: 20px;
  position: relative; overflow: hidden;
}
.mat-hero::after {
  content: ''; position: absolute; right: -20px; top: -20px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(34,197,94,.07), transparent 70%);
  pointer-events: none;
}
.mat-hero-ico {
  width: 56px; height: 56px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--green), var(--green-3));
  border-radius: var(--r-xl); display: flex; align-items: center; justify-content: center;
  font-size: 26px; box-shadow: var(--glow-md);
}
.mat-hero h1 { font-size: 20px; margin-bottom: 4px; }
.mat-hero p  { font-size: 13px; color: var(--text-3); }

.mat-info-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 13px; margin-bottom: 20px; }
.mat-info-box {
  padding: 17px; text-align: center; transition: all .2s;
}
.mat-info-box:hover { border-color: var(--border-md); transform: translateY(-2px); }
.mat-info-ico { font-size: 26px; margin-bottom: 8px; }
.mat-info-box h3 { font-size: 12.5px; font-weight: 700; color: var(--green); margin-bottom: 4px; }
.mat-info-box p  { font-size: 11.5px; color: var(--text-3); line-height: 1.5; }

.mat-list { overflow: hidden; border-radius: var(--r-xl); }
.mat-list-hdr { padding: 15px 20px; border-bottom: 1px solid var(--border); font-size: 13px; font-weight: 700; }
.mat-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid rgba(34,197,94,.05); gap: 14px;
  transition: background .14s;
}
.mat-item:last-child { border-bottom: none; }
.mat-item:hover { background: var(--bg-3); }
.mat-item-name { font-size: 13.5px; font-weight: 700; margin-bottom: 3px; }
.mat-item-desc { font-size: 12px; color: var(--text-3); }
.mat-dl-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 15px; border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--green), var(--green-3));
  color: #000; font-size: 12px; font-weight: 700;
  white-space: nowrap; flex-shrink: 0; transition: all .18s;
}
.mat-dl-btn:hover { box-shadow: var(--glow-md); transform: scale(1.04); text-decoration: none; }

/* ═══════════════════════════════════════════════════════════════
   SUPORTE
   ═══════════════════════════════════════════════════════════════ */
.support-top { padding: 26px 30px; margin-bottom: 20px; }
.support-top h1 { font-size: 21px; margin-bottom: 5px; }
.support-top p  { font-size: 13px; color: var(--text-3); }
.support-shortcuts { display: grid; grid-template-columns: repeat(3,1fr); gap: 13px; margin-bottom: 20px; }
.sup-shortcut { padding: 19px; text-align: center; transition: all .2s; }
.sup-shortcut:hover { border-color: var(--border-md); transform: translateY(-3px); box-shadow: var(--shadow); }
.sup-shortcut-ico {
  width: 40px; height: 40px; border-radius: var(--r-md);
  background: var(--green-dim); border: 1px solid var(--border-md);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 10px; color: var(--green);
}
.sup-shortcut-ico svg { width: 18px; height: 18px; }
.sup-shortcut h3 { font-size: 13px; font-weight: 700; margin-bottom: 4px; }
.sup-shortcut p  { font-size: 12px; color: var(--text-3); }
.support-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 20px; }
.support-form-card { padding: 22px; }
.support-form-card h2 { font-size: 15px; margin-bottom: 18px; }
.support-info-card { padding: 22px; }
.support-info-card h2 { font-size: 15px; margin-bottom: 16px; }
.contact-row {
  display: flex; align-items: flex-start; gap: 11px;
  padding: 13px; margin-bottom: 10px;
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--r-md); transition: border-color .15s;
}
.contact-row:hover { border-color: var(--border-md); }
.contact-ico {
  width: 34px; height: 34px; border-radius: var(--r-sm);
  background: var(--green-dim); display: flex; align-items: center; justify-content: center;
  color: var(--green); flex-shrink: 0;
}
.contact-ico svg { width: 15px; height: 15px; }
.contact-row strong { display: block; font-size: 13px; margin-bottom: 2px; }
.contact-row span   { font-size: 12px; color: var(--text-3); }
.faq-item { padding: 15px 17px; margin-bottom: 9px; transition: all .18s; }
.faq-item:hover { border-color: var(--border-md); }
.faq-item h4 { font-size: 13px; margin-bottom: 5px; }
.faq-item p  { font-size: 12px; color: var(--text-3); line-height: 1.6; }

/* ═══════════════════════════════════════════════════════════════
   ADMIN PANEL
   ═══════════════════════════════════════════════════════════════ */
.admin-page { max-width: 1200px; }
.admin-tabs {
  display: flex; gap: 3px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 4px;
  margin-bottom: 24px; flex-wrap: wrap;
}
.admin-tab {
  flex: 1; min-width: 110px;
  padding: 9px 14px; border-radius: var(--r-md);
  background: transparent; color: var(--text-3);
  font-size: 13px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  transition: all .16s; cursor: pointer; border: none;
}
.admin-tab svg { width: 14px; height: 14px; }
.admin-tab:hover { background: var(--bg-3); color: var(--text-2); }
.admin-tab.active { background: var(--green-dim-2); color: var(--green); border: 1px solid var(--border-md); }
.admin-section { display: none; }
.admin-section.active { display: block; animation: pageIn .25s var(--ease) both; }
.admin-2col { display: grid; grid-template-columns: 360px 1fr; gap: 18px; align-items: start; }
.admin-form-card { padding: 22px; position: sticky; top: 70px; }
.afc-title {
  font-size: 14.5px; font-weight: 800; margin-bottom: 18px;
  display: flex; align-items: center; gap: 8px;
}
.afc-title svg { width: 15px; height: 15px; color: var(--green); }
.afc-divider {
  height: 1px; background: var(--border); margin: 16px 0; position: relative;
}
.afc-divider-label {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%,-50%);
  background: var(--surface); padding: 0 10px;
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); white-space: nowrap;
}
.admin-list-panel { border-radius: var(--r-xl); overflow: hidden; }
.admin-list-hdr {
  padding: 14px 18px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface); position: sticky; top: 0; z-index: 2;
}
.admin-list-title { font-size: 13px; font-weight: 800; }
.admin-list-count {
  font-size: 11.5px; color: var(--text-3);
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: 99px; padding: 2px 9px;
}
.admin-list-scroll { max-height: 600px; overflow-y: auto; }
.admin-ci {
  padding: 15px 18px; border-bottom: 1px solid rgba(34,197,94,.05); transition: background .13s;
}
.admin-ci:last-child { border-bottom: none; }
.admin-ci:hover { background: var(--bg-3); }
.admin-ci-hdr { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 4px; }
.admin-ci-name { font-size: 13.5px; font-weight: 800; }
.admin-ci-desc { font-size: 12px; color: var(--text-3); margin-bottom: 7px; }
.admin-ci-tag {
  font-size: 11px; color: var(--text-3);
  display: flex; align-items: center; gap: 5px; padding: 2px 0;
}
.admin-ci-tag::before { content: '▸'; color: var(--green); font-size: 9px; }
.admin-aluno-row {
  padding: 13px 18px; border-bottom: 1px solid rgba(34,197,94,.05);
  display: flex; align-items: center; gap: 12px; transition: background .13s;
}
.admin-aluno-row:last-child { border-bottom: none; }
.admin-aluno-row:hover { background: var(--bg-3); }
.aluno-av {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--green-3), var(--green));
  display: flex; align-items: center; justify-content: center;
  font-size: 12.5px; font-weight: 800; color: #000; flex-shrink: 0;
}
.aluno-name   { font-size: 13px; font-weight: 700; }
.aluno-email  { font-size: 11.5px; color: var(--text-3); }
.aluno-access { font-size: 11px; color: var(--green); margin-top: 2px; }

/* ═══════════════════════════════════════════════════════════════
   LIGHT MODE
   ═══════════════════════════════════════════════════════════════ */
body.light {
  --black:     #f9fafb;
  --bg:        #f3f4f2;
  --bg-2:      #eaece8;
  --bg-3:      #e2e5df;
  --surface:   #ffffff;
  --surface-2: #f8faf6;
  --surface-3: #f0f5ee;
  --border:    rgba(34,197,94,.15);
  --border-md: rgba(34,197,94,.32);
  --border-hi: rgba(34,197,94,.55);
  --text:      #0e1a10;
  --text-2:    #2a4430;
  --text-3:    #556b5a;
}
body.light .btn-primary { color: #fff; }
body.light .mat-dl-btn  { color: #fff; }
body.light .topbar { background: rgba(249,250,251,.9); }

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width:1100px) {
  .stats-row { grid-template-columns: repeat(2,1fr); }
  .admin-2col { grid-template-columns: 1fr; }
  .admin-form-card { position: static; }
  .player-layout { grid-template-columns: 1fr; }
  .video-card iframe { height: 260px; }
  .lesson-panel { max-height: 280px; }
}
@media (max-width:900px) {
  .sidebar {
    position: fixed; left: -280px; top: 0; height: 100vh;
    z-index: 1000; width: var(--sidebar-w) !important;
    transition: left .3s var(--ease);
  }
  .sidebar.active { left: 0; box-shadow: 6px 0 40px rgba(0,0,0,.7); }
  .support-2col { grid-template-columns: 1fr; }
  .mat-info-row { grid-template-columns: 1fr 1fr; }
  .support-shortcuts { grid-template-columns: 1fr 1fr; }
  .content { padding: 18px 14px; }
  .hero { height: 270px; }
  .hero-body { padding: 26px; }
  .hero-title { font-size: 30px; }
  .admin-tabs { flex-direction: column; }
  .admin-tab { flex: none; justify-content: flex-start; }
  .prog-overview { flex-direction: column; text-align: center; }
  .prog-nums { justify-content: center; }
}
@media (max-width:640px) {
  .stats-row { grid-template-columns: 1fr; }
  .area-grid { grid-template-columns: 1fr 1fr; }
  .course-grid { grid-template-columns: 1fr; }
  .mat-info-row { grid-template-columns: 1fr; }
  .support-shortcuts { grid-template-columns: 1fr; }
  .login-card { padding: 30px 22px; }
  .tb-brand, .tb-pill { display: none; }
  .two-col { grid-template-columns: 1fr; }
}