/* ============================================================
   assets/css/style.css — Design system global
   Plataforma Plano de Exame | exames.triboalpha.com
   Mobile-first, dark mode, tipografia limpa
   ============================================================ */

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

/* ── Reset & tokens ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Paleta */
  --clr-bg:        #0d0f18;
  --clr-surface:   #161929;
  --clr-surface2:  #1e2235;
  --clr-border:    #2a2f4a;
  --clr-accent:    #6c63ff;
  --clr-accent2:   #a78bfa;
  --clr-success:   #34d399;
  --clr-danger:    #f87171;
  --clr-warn:      #fbbf24;
  --clr-text:      #e8eaf6;
  --clr-muted:     #8892b0;

  /* Tipografia */
  --font-body:    'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;

  /* Espaçamentos */
  --gap-xs:  0.25rem;
  --gap-sm:  0.5rem;
  --gap-md:  1rem;
  --gap-lg:  1.5rem;
  --gap-xl:  2rem;
  --gap-2xl: 3rem;

  /* Bordas */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  /* Sombras */
  --shadow: 0 4px 24px rgba(0,0,0,.45);
  --shadow-accent: 0 0 28px rgba(108,99,255,.25);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100dvh;
}
.public-page { display:flex; flex-direction:column; }
.public-page .page-main { flex:1; }

/* ── Tipografia ─────────────────────────────────────────── */
h1,h2,h3,h4 { font-family: var(--font-display); line-height: 1.2; }
h1 { font-size: clamp(1.6rem, 5vw, 2.4rem); font-weight: 700; }
h2 { font-size: clamp(1.2rem, 4vw, 1.8rem); font-weight: 600; }
h3 { font-size: 1.1rem; font-weight: 600; }
p  { color: var(--clr-muted); }
a  { color: var(--clr-accent2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout helpers ─────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--gap-md);
}

.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--gap-lg);
  box-shadow: var(--shadow);
}

.card + .card { margin-top: var(--gap-md); }

/* ── Header / Logo ──────────────────────────────────────── */
.site-header {
  padding: var(--gap-lg) var(--gap-md);
  text-align: center;
  border-bottom: 1px solid var(--clr-border);
  margin-bottom: var(--gap-xl);
  background: linear-gradient(180deg, rgba(108,99,255,.08), transparent);
}
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--clr-text);
  text-decoration: none;
}
.site-logo:hover { text-decoration: none; }
.site-brand-icon {
  position: relative;
  display: grid;
  width: 50px;
  height: 50px;
  flex: 0 0 50px;
  place-items: center;
  filter: drop-shadow(0 7px 13px rgba(108,99,255,.38));
  transition: transform .2s ease, filter .2s ease;
}
.site-brand-icon::before {
  content: '''';
  position: absolute;
  inset: -4px;
  z-index: -1;
  border: 1px solid rgba(167,139,250,.28);
  border-radius: 17px;
}
.site-brand-icon svg { display: block; width: 100%; height: 100%; }
.site-logo:hover .site-brand-icon {
  transform: translateY(-2px) rotate(-2deg);
  filter: drop-shadow(0 9px 17px rgba(108,99,255,.52));
}
.site-brand-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  text-align: left;
}
.site-brand-name {
  position: relative;
  display: inline-block;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: clamp(1.65rem, 5vw, 2.15rem);
  font-weight: 800;
  letter-spacing: .055em;
  line-height: .95;
  text-transform: uppercase;
}
.site-brand-name::after {
  content: '''';
  position: absolute;
  right: 2px;
  bottom: -5px;
  left: 2px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent2), transparent);
  opacity: .8;
}
.site-brand-tagline {
  color: var(--clr-muted);
  font-family: var(--font-body);
  font-size: clamp(.64rem, 2.2vw, .78rem);
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1.25;
  max-width: 360px;
}
@media (max-width: 420px) {
  .site-header { padding: 1.15rem .75rem; }
  .site-logo { gap: 9px; }
  .site-brand-icon { width: 43px; height: 43px; flex-basis: 43px; }
  .site-brand-tagline { max-width: 245px; }
}

/* ── Progress bar ───────────────────────────────────────── */
.progress-wrap {
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
  margin-bottom: var(--gap-xl);
}
.progress-track {
  flex: 1;
  height: 6px;
  background: var(--clr-border);
  border-radius: 50px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent2));
  border-radius: 50px;
  transition: width .5s ease;
}
.progress-label { font-size: .8rem; color: var(--clr-muted); white-space: nowrap; }

/* ── Botões ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--gap-sm);
  padding: .85rem 1.6rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: transform .15s, box-shadow .15s, opacity .15s;
  text-decoration: none;
}
.btn:active { transform: scale(.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
  color: #fff;
  box-shadow: var(--shadow-accent);
  width: 100%;
}
.btn-primary:hover { opacity: .88; box-shadow: 0 0 36px rgba(108,99,255,.4); text-decoration: none; color:#fff; }

.btn-secondary {
  background: var(--clr-surface2);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
  width: 100%;
}
.btn-secondary:hover { background: var(--clr-border); text-decoration: none; color: var(--clr-text); }

.btn-sm { padding: .5rem 1rem; font-size: .875rem; width: auto; }

.btn-danger {
  background: var(--clr-danger);
  color: #fff;
}

.btn-success {
  background: var(--clr-success);
  color: #0d0f18;
}

/* ── Formulários ────────────────────────────────────────── */
label { display: block; font-size: .85rem; font-weight: 500; margin-bottom: var(--gap-xs); color: var(--clr-text); }

input[type="text"],
input[type="date"],
input[type="number"],
input[type="password"],
select,
textarea {
  width: 100%;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color .2s;
  -webkit-appearance: none;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(108,99,255,.2);
}
input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(1); }

.form-group { margin-bottom: var(--gap-md); }

/* ── Selecção de instituição / disciplina (botões grandes) ── */
.grid-select {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-sm);
}
.grid-select-item {
  background: var(--clr-surface2);
  border: 2px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--gap-md) var(--gap-lg);
  font-size: 1rem;
  font-weight: 500;
  color: var(--clr-text);
  cursor: pointer;
  text-align: left;
  transition: border-color .2s, background .2s;
  display: flex;
  align-items: center;
  gap: var(--gap-sm);
}
.grid-select-item::before {
  content: '';
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--clr-border);
  flex-shrink: 0;
  transition: border-color .2s, background .2s;
}
.grid-select-item.selected,
.grid-select-item:has(input:checked) {
  border-color: var(--clr-accent);
  background: rgba(108,99,255,.1);
}
.grid-select-item.selected::before { background: var(--clr-accent); border-color: var(--clr-accent); }
.grid-select-item input[type="checkbox"],
.grid-select-item input[type="radio"] { display: none; }

/* ── Escala diagnóstico ─────────────────────────────────── */
.dominio-scale {
  display: flex;
  gap: 4px;
}
.dominio-scale label {
  flex: 1;
  margin: 0;
  cursor: pointer;
}
.dominio-scale input { display: none; }
.dominio-scale .scale-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  padding: 4px 2px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--clr-border);
  background: var(--clr-surface2);
  font-size: .7rem;
  font-weight: 600;
  transition: all .15s;
  text-align: center;
  color: var(--clr-muted);
}
.dominio-scale .scale-btn .icon { font-size: 1.2rem; }
.dominio-scale input:checked + .scale-btn {
  border-color: var(--clr-accent);
  color: var(--clr-accent2);
  background: rgba(108,99,255,.15);
}
.dominio-scale input[value="0"]:checked + .scale-btn { border-color: var(--clr-success); color: var(--clr-success); background: rgba(52,211,153,.1); }
.dominio-scale input[value="1"]:checked + .scale-btn { border-color: var(--clr-warn); color: var(--clr-warn); background: rgba(251,191,36,.1); }
.dominio-scale input[value="2"]:checked + .scale-btn { border-color: var(--clr-danger); color: var(--clr-danger); background: rgba(248,113,113,.1); }

/* ── Tema card (diagnóstico) ────────────────────────────── */
.tema-card {
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: var(--gap-sm);
  margin-bottom: var(--gap-xs);
}
.tema-card .tema-nome { font-weight: 600; font-size: .9rem; margin-bottom: 4px; color: var(--clr-text); display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.badge-dificuldade {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 50px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .05em;
  margin-left: var(--gap-sm);
  vertical-align: middle;
}
.badge-dificuldade.Basico     { background: rgba(52,211,153,.2); color: var(--clr-success); }
.badge-dificuldade.Intermedio { background: rgba(251,191,36,.2); color: var(--clr-warn); }
.badge-dificuldade.Avancado   { background: rgba(248,113,113,.2); color: var(--clr-danger); }

/* ── Relatório final ────────────────────────────────────── */
.plano-table { width: 100%; border-collapse: collapse; }
.plano-table th,
.plano-table td {
  padding: .6rem .5rem;
  border-bottom: 1px solid var(--clr-border);
  font-size: .875rem;
  text-align: left;
}
.plano-table th { color: var(--clr-muted); font-weight: 600; font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; }
.plano-table td { color: var(--clr-text); }
.plano-table tr:last-child td { border-bottom: none; }

.conselho-box {
  background: linear-gradient(135deg, rgba(108,99,255,.12), rgba(167,139,250,.08));
  border: 1px solid rgba(108,99,255,.3);
  border-radius: var(--radius-md);
  padding: var(--gap-lg);
  position: relative;
  overflow: hidden;
}
.conselho-box::before {
  content: '✦';
  position: absolute;
  top: -10px; right: -10px;
  font-size: 4rem;
  opacity: .05;
  color: var(--clr-accent);
}
.conselho-box .conselho-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--clr-accent2);
  margin-bottom: var(--gap-sm);
}
.conselho-box p { color: var(--clr-text); }

/* ── Bónus page ─────────────────────────────────────────── */
.container-wide { max-width: 980px; }
.bonus-hero {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--gap-lg);
  padding: clamp(1.4rem, 5vw, 2.3rem);
  border: 1px solid rgba(139,124,255,.35);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 92% 12%, rgba(167,139,250,.2), transparent 34%),
    linear-gradient(135deg, #191b32, #111421);
  box-shadow: var(--shadow-accent);
}
.bonus-hero::after {
  content: '✦';
  position: absolute;
  top: -35px;
  right: 18px;
  color: var(--clr-accent2);
  font-size: 8rem;
  line-height: 1;
  opacity: .08;
  transform: rotate(12deg);
}
.bonus-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-bottom: .7rem;
  padding: .3rem .65rem;
  border: 1px solid rgba(167,139,250,.35);
  border-radius: 99px;
  background: rgba(108,99,255,.12);
  color: #c4b5fd;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.bonus-hero h1 { margin-bottom: .55rem; font-size: clamp(1.65rem, 5vw, 2.45rem); }
.bonus-hero p { max-width: 620px; font-size: .95rem; }
.bonus-summary {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.2rem;
  margin-top: 1rem;
  color: var(--clr-text);
  font-size: .78rem;
  font-weight: 600;
}
.bonus-summary span::before { content: '✓'; margin-right: .35rem; color: var(--clr-success); }
.bonus-grid {
  display: grid;
  gap: var(--gap-md);
}
.bonus-item {
  position: relative;
  overflow: hidden;
  min-height: 100%;
  background: linear-gradient(160deg, var(--clr-surface), rgba(30,34,53,.72));
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--gap-lg);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: .85rem;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.bonus-item:hover { transform: translateY(-3px); border-color:rgba(139,124,255,.55); box-shadow:0 12px 30px rgba(0,0,0,.28); }
.bonus-item-top { display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.bonus-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
  box-shadow: 0 8px 18px rgba(108,99,255,.3);
}
.bonus-number { color:rgba(232,234,246,.13); font-family:var(--font-display); font-size:2.5rem; font-weight:800; line-height:1; }
.bonus-info { display:flex; flex:1; flex-direction:column; }
.bonus-info h2 { margin-bottom:.45rem; font-size:1.08rem; }
.bonus-info p  { flex:1; font-size:.84rem; line-height:1.55; }
.bonus-file-meta { display:flex; align-items:center; gap:.4rem; margin-top:.85rem; color:var(--clr-muted); font-size:.7rem; font-weight:700; letter-spacing:.05em; text-transform:uppercase; }
.bonus-file-meta::before { content:'PDF'; padding:.12rem .3rem; border-radius:4px; background:#dc2626; color:#fff; font-size:.57rem; }
.bonus-info .btn { margin-top:var(--gap-md); width:100%; }
.bonus-actions { display:grid; gap:.7rem; margin-top:var(--gap-lg); }

/* ── Rodapé da marca ────────────────────────────────────── */
.site-footer {
  margin-top: var(--gap-lg);
  border-top: 1px solid var(--clr-border);
  background: linear-gradient(180deg, rgba(108,99,255,.045), rgba(13,15,24,.75));
}
.site-header { position:relative; display:flex; align-items:center; justify-content:center; }
.site-account-link { position:absolute; right:var(--gap-md); top:50%; transform:translateY(-50%); padding:.52rem .75rem; border:1px solid rgba(139,124,255,.35); border-radius:10px; color:#c4b5fd; font-size:.75rem; font-weight:800; white-space:nowrap; }
.site-account-link:hover { background:rgba(108,99,255,.12); text-decoration:none; }
@media (max-width:520px) { .site-header{justify-content:flex-start}.site-brand-tagline{display:none}.site-account-link{padding:.45rem .6rem}.site-brand-name{font-size:1.2rem} }
.site-footer-inner { width:100%; max-width:980px; margin:0 auto; padding:1.35rem var(--gap-md); }
.site-footer-row { display:flex; flex-direction:column; align-items:center; gap:1rem; text-align:center; }
.site-footer-brand { display:flex; align-items:center; gap:.65rem; text-align:left; }
.site-footer-mark {
  display:grid;
  width:34px;
  height:34px;
  flex:0 0 34px;
  place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
  color:#fff;
  font-weight:900;
  box-shadow:0 5px 12px rgba(108,99,255,.3);
}
.site-footer-brand strong { display:block; color:var(--clr-text); font-family:var(--font-display); font-size:.84rem; letter-spacing:.07em; text-transform:uppercase; }
.site-footer-brand small { display:block; max-width:310px; color:var(--clr-muted); font-size:.64rem; line-height:1.3; }
.site-footer-legal { display:flex; flex-direction:column; color:var(--clr-muted); font-size:.68rem; line-height:1.55; }
.site-footer-legal strong { color:var(--clr-accent2); }
.site-footer-disclaimer { max-width:760px; margin:0 auto 1.15rem; padding:0 0 1rem; border-bottom:1px solid rgba(255,255,255,.07); text-align:center; }
.site-footer-disclaimer strong { display:block; margin-bottom:.3rem; color:var(--clr-text); font-size:.78rem; }
.site-footer-disclaimer p { font-size:.7rem; line-height:1.5; }

/* ── Alerts ─────────────────────────────────────────────── */
.alert {
  padding: var(--gap-md);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  margin-bottom: var(--gap-md);
}
.alert-error   { background: rgba(248,113,113,.15); border: 1px solid var(--clr-danger); color: var(--clr-danger); }
.alert-success { background: rgba(52,211,153,.15); border: 1px solid var(--clr-success); color: var(--clr-success); }
.alert-info    { background: rgba(108,99,255,.15); border: 1px solid var(--clr-accent); color: var(--clr-accent2); }

/* ── Loading spinner ────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 24px; height: 24px;
  border: 3px solid rgba(255,255,255,.2);
  border-top-color: var(--clr-accent2);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,15,24,.85);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--gap-md);
  z-index: 9999;
  display: none;
}
.loading-overlay.active { display: flex; }

/* ── Admin panel ────────────────────────────────────────── */
.admin-nav {
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--gap-sm) var(--gap-md);
  display: flex;
  gap: var(--gap-sm);
  flex-wrap: wrap;
  align-items: center;
}
.admin-nav a {
  color: var(--clr-muted);
  padding: .4rem .8rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  font-weight: 500;
  transition: color .15s, background .15s;
}
.admin-nav a:hover,
.admin-nav a.active {
  color: var(--clr-text);
  background: var(--clr-surface2);
  text-decoration: none;
}
.admin-nav .admin-title {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--clr-accent2);
  margin-right: auto;
}

.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th,
.admin-table td {
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--clr-border);
  text-align: left;
  font-size: .875rem;
}
.admin-table th { background: var(--clr-surface2); color: var(--clr-muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; }
.admin-table td { color: var(--clr-text); }
.admin-table tr:hover td { background: rgba(255,255,255,.02); }

.badge-activa { color: var(--clr-success); background: rgba(52,211,153,.1); padding: 2px 8px; border-radius: 50px; font-size: .75rem; font-weight: 700; }
.badge-inactiva { color: var(--clr-muted); background: var(--clr-surface2); padding: 2px 8px; border-radius: 50px; font-size: .75rem; }

/* ── Responsivo ─────────────────────────────────────────── */
@media (min-width: 640px) {
  .grid-select { grid-template-columns: 1fr 1fr; }
  .bonus-grid  { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bonus-actions { grid-template-columns:1fr 1fr; }
  .site-footer-row { flex-direction:row; justify-content:space-between; text-align:left; }
  .site-footer-legal { align-items:flex-end; text-align:right; }
}

@media (min-width: 860px) {
  .bonus-grid { grid-template-columns:repeat(3, minmax(0, 1fr)); }
}

/* ── Animações de entrada ───────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp .4s ease both; }

.page-main {
  padding: var(--gap-md) 0 var(--gap-2xl);
}