/* ═══════════════════════════════════════════════════════════
   EDUC ACADÊMICA — Portal do Aluno CSS
   ═══════════════════════════════════════════════════════════ */
:root {
  --bg:      #080F2E;
  --bg-alt:  #0B1535;
  --bg-card: #101e4a;
  --border:  rgba(255,255,255,0.08);
  --accent:  #286BE6;
  --fg:      #f0f4ff;
  --muted:   rgba(240,244,255,0.5);
  --white:   #ffffff;
  --green:   #4ade80;
  --trans:   0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; background: var(--bg); color: var(--fg); min-height: 100vh; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; }
em { font-family: 'DM Serif Display', serif; font-style: italic; color: var(--accent); }
img { max-width: 100%; display: block; }

/* ══════════════════════════════════════════════
   LOGIN
   ══════════════════════════════════════════════ */
.login-page { display: flex; align-items: stretch; }

.login-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  width: 100%;
}

.login-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px;
  background: var(--bg);
}

.login-logo { display: block; margin-bottom: 48px; }
.login-logo img { height: 40px; }

.login-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 0.92;
  margin-bottom: 12px;
}
.login-sub { color: var(--muted); font-size: 0.95rem; margin-bottom: 40px; }

.login-form { display: flex; flex-direction: column; gap: 20px; max-width: 400px; }

.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; }
.form-field input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--fg);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--trans);
  outline: none;
  width: 100%;
}
.form-field input:focus { border-color: var(--accent); }
.form-field input::placeholder { color: var(--muted); }

.input-pw { position: relative; }
.input-pw input { padding-right: 48px; }
.toggle-pw {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  background: none; color: var(--muted); display: flex; align-items: center;
  transition: color var(--trans);
}
.toggle-pw:hover { color: var(--fg); }

.login-error {
  display: none;
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.3);
  color: #f87171;
  font-size: 0.85rem;
  padding: 10px 14px;
  border-radius: 8px;
}

.login-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.12em;
  padding: 16px;
  border-radius: 12px;
  transition: var(--trans);
  margin-top: 4px;
}
.login-btn:hover { background: #1a5cd4; transform: translateY(-1px); box-shadow: 0 6px 24px rgba(40,107,230,0.35); }

.login-suporte { margin-top: 24px; font-size: 0.82rem; color: var(--muted); }
.login-suporte a { color: var(--accent); text-decoration: underline; }

/* Lado decorativo */
.login-deco {
  background: var(--bg-alt);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden; padding: 60px;
}
.login-deco__orb {
  position: absolute; top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(40,107,230,0.2) 0%, transparent 70%);
}
.login-deco__label {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.2em;
  color: var(--accent); margin-bottom: 16px;
}
.login-deco__title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3rem, 6vw, 6rem);
  line-height: 0.9;
  color: var(--fg);
  margin-bottom: 40px;
}
.login-deco__list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.login-deco__list li { display: flex; align-items: center; gap: 9px; font-size: 0.95rem; color: var(--muted); }
.login-deco__list li svg { flex-shrink: 0; color: var(--green); }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}
.shake { animation: shake 0.5s ease; }

/* ══════════════════════════════════════════════
   HEADER DO PORTAL
   ══════════════════════════════════════════════ */
.portal-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8,15,46,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 32px;
}
.portal-logo img { height: 36px; }
.portal-header__right { display: flex; align-items: center; gap: 20px; }
.portal-user { font-size: 0.88rem; color: var(--muted); }
.portal-back { font-size: 0.85rem; color: var(--accent); transition: var(--trans); }
.portal-back:hover { opacity: 0.8; }
.portal-logout {
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--muted); font-size: 0.8rem; padding: 7px 14px; border-radius: 8px;
  transition: var(--trans);
}
.portal-logout:hover { border-color: var(--accent); color: var(--fg); }

/* ══════════════════════════════════════════════
   DASHBOARD
   ══════════════════════════════════════════════ */
.portal-main { max-width: 1200px; margin: 0 auto; padding: 48px 32px 80px; }

.portal-welcome {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 48px; gap: 32px; flex-wrap: wrap;
}
.portal-welcome__label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.15em; color: var(--accent); margin-bottom: 8px; }
.portal-welcome__title { font-family: 'Bebas Neue', sans-serif; font-size: 3rem; line-height: 0.92; margin-bottom: 6px; }
.portal-welcome__sub { color: var(--muted); font-size: 0.9rem; }

.portal-progress-global { min-width: 200px; }
.portal-progress-global__label { font-size: 0.78rem; color: var(--muted); margin-bottom: 8px; }
.portal-progress-bar { height: 6px; background: var(--bg-card); border-radius: 3px; overflow: hidden; margin-bottom: 6px; }
.portal-progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), #6aaeff); border-radius: 3px; transition: width 0.8s ease; }
.portal-progress-pct { font-size: 0.8rem; color: var(--accent); font-weight: 600; }

.portal-curso__header { margin-bottom: 32px; }
.portal-curso__badge {
  display: inline-block; background: var(--bg-card); border: 1px solid var(--border);
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.15em;
  color: var(--accent); padding: 5px 12px; border-radius: 12px; margin-bottom: 12px;
}
.portal-curso__title { font-family: 'Bebas Neue', sans-serif; font-size: 2rem; margin-bottom: 6px; }
.portal-curso__sub { color: var(--muted); font-size: 0.88rem; }

/* Grid de módulos */
.modulos-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 48px; }

.modulo-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px 24px;
  display: flex; flex-direction: column; gap: 10px;
  transition: var(--trans);
}
.modulo-card:hover { border-color: rgba(40,107,230,0.4); transform: translateY(-2px); }

.modulo-card__header { display: flex; align-items: center; justify-content: space-between; }
.modulo-num {
  font-family: 'Bebas Neue', sans-serif; font-size: 1.6rem;
  color: var(--accent); line-height: 1;
}
.status-badge { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em; padding: 3px 10px; border-radius: 10px; }
.status-disponivel { background: rgba(40,107,230,0.15); color: var(--accent); }
.status-concluido  { background: rgba(74,222,128,0.15); color: var(--green); }
.status-bloqueado  { background: var(--bg); color: var(--muted); }

.modulo-card__title { font-size: 1rem; font-weight: 600; line-height: 1.35; }
.modulo-card__desc  { font-size: 0.83rem; color: var(--muted); line-height: 1.55; flex: 1; }
.modulo-card__aulas { font-size: 0.75rem; color: var(--muted); }

.modulo-progress-bar { height: 4px; background: var(--bg); border-radius: 2px; overflow: hidden; }
.modulo-progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), #6aaeff); border-radius: 2px; transition: width 0.8s ease; }

.modulo-card__btn {
  display: inline-block; margin-top: 4px;
  font-size: 0.8rem; font-weight: 600; color: var(--accent);
  transition: var(--trans);
}
.modulo-card__btn:hover { opacity: 0.7; }

/* Materiais */
.materiais { background: var(--bg-alt); border-radius: 16px; padding: 28px; }
.materiais__title { font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
.materiais__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.material-item {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px;
  transition: var(--trans);
}
.material-item:hover { border-color: rgba(40,107,230,0.4); }
.material-icon { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; background: rgba(40,107,230,0.12); color: var(--accent); flex-shrink: 0; }
.material-nome { font-size: 0.88rem; font-weight: 600; margin-bottom: 2px; }
.material-tipo { font-size: 0.75rem; color: var(--muted); }

/* ══════════════════════════════════════════════
   PÁGINA DE AULA
   ══════════════════════════════════════════════ */
.aula-layout { display: grid; grid-template-columns: 300px 1fr; min-height: calc(100vh - 65px); }

.aula-sidebar {
  background: var(--bg-alt); border-right: 1px solid var(--border);
  overflow-y: auto; position: sticky; top: 65px; height: calc(100vh - 65px);
}
.aula-sidebar__header { padding: 20px; border-bottom: 1px solid var(--border); }
.aula-sidebar__curso { font-family: 'Bebas Neue', sans-serif; font-size: 1rem; margin-bottom: 10px; color: var(--accent); }
.aula-sidebar__progress { display: flex; flex-direction: column; gap: 6px; }
.aula-sidebar__progress span { font-size: 0.75rem; color: var(--muted); }

.aula-nav { padding: 8px 0; }
.aula-nav__grupo { border-bottom: 1px solid var(--border); }
.aula-nav__modulo-titulo {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px; cursor: pointer;
  font-size: 0.83rem; font-weight: 600;
  transition: background var(--trans);
}
.aula-nav__modulo-titulo:hover { background: var(--bg-card); }
.aula-nav__mod-num { color: var(--accent); font-family: 'Bebas Neue', sans-serif; font-size: 1rem; }
.aula-nav__chevron { margin-left: auto; transition: transform var(--trans); }

.aula-nav__lista { display: none; list-style: none; padding: 4px 0; }
.aula-nav__lista.open { display: block; }
.aula-nav__item a {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 20px 10px 40px;
  font-size: 0.8rem; color: var(--muted);
  transition: background var(--trans), color var(--trans);
}
.aula-nav__item a:hover { background: var(--bg-card); color: var(--fg); }
.aula-nav__item.ativa a { color: var(--fg); background: rgba(40,107,230,0.1); }
.aula-nav__item.concluida a { color: var(--accent); }
.aula-nav__check { flex-shrink: 0; display: flex; align-items: center; }
.aula-nav__dur { margin-left: auto; font-size: 0.72rem; color: var(--muted); white-space: nowrap; }

.aula-conteudo { padding: 40px 48px; max-width: 900px; }
.aula-breadcrumb { font-size: 0.75rem; color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 12px; }
.aula-titulo { font-family: 'Bebas Neue', sans-serif; font-size: clamp(2rem, 4vw, 3.5rem); margin-bottom: 28px; }

.aula-video-wrap { width: 100%; aspect-ratio: 16/9; border-radius: 16px; overflow: hidden; margin-bottom: 28px; }
.aula-video-placeholder {
  width: 100%; height: 100%;
  background: var(--bg-card); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
}
.aula-video-placeholder__inner {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  color: var(--muted);
}
.aula-video-placeholder__inner svg { color: var(--accent); opacity: 0.5; }
.aula-video-placeholder__inner p { font-size: 1rem; font-weight: 600; color: var(--fg); }
.aula-video-placeholder__inner span { font-size: 0.85rem; color: var(--muted); text-align: center; }

.aula-descricao { color: var(--muted); font-size: 0.95rem; line-height: 1.7; margin-bottom: 40px; }

.aula-nav-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.aula-nav-btn {
  padding: 12px 20px; border-radius: 10px; font-size: 0.83rem; font-weight: 600;
  transition: var(--trans); background: var(--bg-card); border: 1px solid var(--border);
  color: var(--muted);
}
.aula-nav-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--fg); }
.aula-nav-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.aula-nav-btn--concluir { background: rgba(74,222,128,0.1); border-color: rgba(74,222,128,0.3); color: var(--green); }
.aula-nav-btn--concluir:hover:not(:disabled) { background: rgba(74,222,128,0.2); border-color: var(--green); }
.aula-nav-btn--next { margin-left: auto; background: var(--accent); border-color: var(--accent); color: #fff; }
.aula-nav-btn--next:hover:not(:disabled) { background: #1a5cd4; }

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .modulos-grid { grid-template-columns: repeat(2, 1fr); }
  .materiais__grid { grid-template-columns: 1fr 1fr; }
  .aula-layout { grid-template-columns: 260px 1fr; }
}
@media (max-width: 768px) {
  .login-wrap { grid-template-columns: 1fr; }
  .login-deco { display: none; }
  .login-box { padding: 32px 24px; }
  .modulos-grid { grid-template-columns: 1fr; }
  .materiais__grid { grid-template-columns: 1fr; }
  .portal-main { padding: 24px 16px 60px; }
  .aula-layout { grid-template-columns: 1fr; }
  .aula-sidebar { position: static; height: auto; }
  .aula-conteudo { padding: 24px 20px; }
}