/* ============================================
   CORRETOR ENEM · Editorial Acadêmico (final)
   ============================================ */

:root {
  --bg: #f4f1ea;
  --bg-alt: #ebe6db;
  --ink: #1a1a1a;
  --ink-soft: #3a3a3a;
  --ink-mute: #7a7568;
  --line: #1a1a1a;
  --line-soft: rgba(26, 26, 26, 0.15);
  --accent: #2d5016;
  --accent-bright: #4a7c26;
  --paper: #fbfaf5;
  --warn: #a33a1f;
  --ok: #2d5016;

  --serif: 'Fraunces', Georgia, serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
  --sans: 'Inter Tight', -apple-system, sans-serif;
}

/* FIX CRÍTICO: garante que [hidden] sempre esconde elementos */
[hidden] { display: none !important; }

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

body {
  background-image:
    radial-gradient(circle at 20% 10%, rgba(45, 80, 22, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 80% 60%, rgba(163, 58, 31, 0.03) 0%, transparent 40%);
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  z-index: 1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.08 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ========== HEADER ========== */
.site-header { position: relative; z-index: 10; padding: 32px 48px 0; }
.header-inner { display: flex; justify-content: space-between; align-items: flex-end; max-width: 1400px; margin: 0 auto; padding-bottom: 20px; }
.brand { display: flex; align-items: flex-end; gap: 20px; }
.brand-mark { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; border: 1px solid var(--ink); padding: 4px 8px; background: var(--paper); margin-bottom: 10px; }
.brand-title h1 { font-family: var(--serif); font-weight: 300; font-size: clamp(36px, 5vw, 64px); line-height: 0.95; letter-spacing: -0.03em; }
.brand-title h1 em { font-style: italic; font-weight: 600; color: var(--accent); }
.brand-title p { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-mute); margin-top: 6px; }
.header-nav { display: flex; align-items: center; gap: 20px; }
.nav-meta { font-family: var(--mono); font-size: 10px; letter-spacing: 0.15em; color: var(--ink-mute); padding: 6px 12px; border: 1px solid var(--line-soft); }
.btn-ghost { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; background: transparent; border: 1px solid var(--ink); padding: 8px 14px; cursor: pointer; color: var(--ink); transition: all 0.2s; }
.btn-ghost:hover { background: var(--ink); color: var(--bg); }
.header-rule { max-width: 1400px; margin: 0 auto; border-top: 1px solid var(--ink); border-bottom: 3px double var(--ink); height: 5px; }

/* ========== LAYOUT ========== */
.layout { max-width: 1400px; margin: 0 auto; padding: 40px 48px 60px; display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; position: relative; z-index: 5; }
@media (max-width: 960px) { .layout { grid-template-columns: 1fr; gap: 32px; padding: 32px 24px; } .site-header { padding: 24px 24px 0; } }

.section-label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.section-label span { background: var(--ink); color: var(--bg); padding: 3px 7px; font-weight: 600; }
.section-label.big { font-size: 12px; margin-bottom: 24px; }

/* ========== COL INPUT ========== */
.col-input > * + * { margin-top: 20px; }
.tema-box label, .redacao-box label, .nota-ref label { display: block; font-family: var(--serif); font-size: 16px; font-weight: 600; margin-bottom: 8px; color: var(--ink); }
.req { font-family: var(--mono); font-size: 9px; background: var(--warn); color: var(--paper); padding: 2px 6px; font-weight: 400; letter-spacing: 0.05em; margin-left: 6px; vertical-align: middle; }
.muted { color: var(--ink-mute); font-weight: 400; font-size: 13px; }

textarea, input[type="url"], input[type="number"], input[type="password"], select { width: 100%; font-family: var(--mono); font-size: 13px; background: var(--paper); border: 1px solid var(--ink); padding: 12px 14px; color: var(--ink); resize: vertical; line-height: 1.6; }
textarea:focus, input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.15); }
#redacao { font-family: var(--serif); font-size: 15px; line-height: 1.7; }

.upload-zone { border: 2px dashed var(--ink); background: var(--paper); padding: 24px; text-align: center; cursor: pointer; transition: all 0.2s; }
.upload-zone:hover, .upload-zone.drag { background: var(--bg-alt); border-color: var(--accent); }
.upload-icon { font-size: 28px; font-family: var(--serif); margin-bottom: 8px; color: var(--accent); }
.upload-inner strong { font-family: var(--serif); font-weight: 600; }
.upload-formats { font-family: var(--mono); font-size: 10px; color: var(--ink-mute); margin-top: 8px; letter-spacing: 0.05em; }
.btn-link { background: none; border: none; color: var(--accent); text-decoration: underline; cursor: pointer; font-family: inherit; font-size: inherit; }

.redacao-header { display: flex; justify-content: space-between; align-items: baseline; }
.redacao-stats { font-family: var(--mono); font-size: 10px; color: var(--ink-mute); letter-spacing: 0.05em; }
.redacao-stats .sep { margin: 0 4px; }

/* ========== COL MODELOS ========== */
.col-models { align-self: start; }
@media (min-height: 900px) { .col-models { position: sticky; top: 16px; } }

.models-group-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 18px 0 8px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.models-group-label:first-child { margin-top: 0; }

.group-tag {
  font-size: 9px;
  background: var(--ok);
  color: var(--paper);
  padding: 2px 6px;
  letter-spacing: 0.05em;
  font-weight: 500;
  text-transform: uppercase;
  flex-shrink: 0;
}

.model-card {
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: 12px 14px;
  margin-bottom: 8px;
  transition: all 0.2s;
}
.model-card:has(input[type="checkbox"]:not(:checked)) { opacity: 0.45; background: var(--bg-alt); }
.model-head { display: flex; align-items: center; gap: 12px; cursor: pointer; margin-bottom: 8px; }
.model-head input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.model-name { display: flex; align-items: center; gap: 8px; flex: 1; }
.model-name strong { font-family: var(--serif); font-size: 15px; font-weight: 600; }
.model-vendor { font-family: var(--mono); font-size: 10px; color: var(--ink-mute); letter-spacing: 0.05em; }

/* Cores dos dots por slot */
.dot { width: 10px; height: 10px; border-radius: 50%; border: 1px solid var(--ink); }
.dot-gemini   { background: #4285f4; }
.dot-groq     { background: #f55036; }
.dot-deepseek { background: #6366f1; }
.dot-llama    { background: #0284c7; }
.dot-qwen     { background: #a855f7; }
.dot-gemma    { background: #059669; }

.model-select { font-size: 10px; padding: 5px 8px; cursor: pointer; }

.options { margin: 18px 0; padding: 12px 14px; background: var(--bg-alt); border: 1px solid var(--line-soft); }
.opt { display: block; font-family: var(--mono); font-size: 11px; margin: 4px 0; cursor: pointer; }
.opt input { margin-right: 6px; accent-color: var(--accent); }

.btn-primary { width: 100%; background: var(--ink); color: var(--bg); border: none; padding: 16px 20px; font-family: var(--serif); font-size: 18px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: all 0.2s; letter-spacing: -0.01em; }
.btn-primary:hover:not(:disabled) { background: var(--accent); transform: translateX(2px); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-arrow { font-family: var(--serif); font-size: 22px; transition: transform 0.2s; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

.endpoint-status { margin-top: 14px; font-family: var(--mono); font-size: 10px; color: var(--ink-mute); display: flex; align-items: center; gap: 8px; letter-spacing: 0.05em; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-mute); }
.status-dot.ok { background: var(--ok); }
.status-dot.err { background: var(--warn); }

/* ========== RESULTS ========== */
.results-section { max-width: 1400px; margin: 0 auto; padding: 40px 48px 80px; position: relative; z-index: 5; border-top: 3px double var(--ink); }
@media (max-width: 960px) { .results-section { padding: 32px 24px; } }

.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-bottom: 48px; }
.summary-card { background: var(--paper); border: 1px solid var(--ink); padding: 24px; position: relative; overflow: hidden; }
.summary-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--dot); }

/* Barra colorida no topo dos summary cards por slot */
.summary-card[data-slot="gemini"]      { --dot: #4285f4; }
.summary-card[data-slot="groq"]        { --dot: #f55036; }
.summary-card[data-slot="or-deepseek"] { --dot: #6366f1; }
.summary-card[data-slot="or-llama"]    { --dot: #0284c7; }
.summary-card[data-slot="or-qwen"]     { --dot: #a855f7; }
.summary-card[data-slot="or-gemma"]    { --dot: #059669; }

.summary-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px; }
.summary-head strong { font-family: var(--serif); font-size: 18px; }
.summary-model { font-family: var(--mono); font-size: 10px; color: var(--ink-mute); }
.summary-nota { font-family: var(--serif); font-size: 56px; font-weight: 300; line-height: 1; letter-spacing: -0.03em; }
.summary-nota span { font-size: 22px; color: var(--ink-mute); }
.summary-meta { margin-top: 12px; font-family: var(--mono); font-size: 10px; color: var(--ink-mute); letter-spacing: 0.05em; padding-top: 12px; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; }
.summary-meta .err-ok { color: var(--ok); }
.summary-meta .err-bad { color: var(--warn); }

.competencias-header { margin-bottom: 24px; }
.competencias-header h2 { font-family: var(--serif); font-weight: 300; font-size: 36px; letter-spacing: -0.02em; }

.comp-matrix { background: var(--paper); border: 1px solid var(--ink); overflow-x: auto; margin-bottom: 48px; }
.comp-matrix table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 700px; }
.comp-matrix th, .comp-matrix td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line-soft); }
.comp-matrix thead tr { background: var(--ink); color: var(--bg); }
.comp-matrix thead th { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 500; }
.comp-matrix tbody tr:last-child { font-weight: 600; background: var(--bg-alt); }
.comp-matrix .comp-label { font-family: var(--serif); font-weight: 600; }
.comp-matrix .comp-desc { font-size: 11px; color: var(--ink-mute); display: block; font-family: var(--sans); font-weight: 400; margin-top: 2px; }
.comp-matrix .nota-cell { font-family: var(--mono); font-size: 14px; text-align: center; }
.nota-200 { color: var(--ok); font-weight: 700; }
.nota-160 { color: var(--ink); font-weight: 600; }
.nota-120 { color: var(--ink); }
.nota-80  { color: var(--ink-mute); }
.nota-40  { color: var(--warn); }
.nota-0   { color: var(--warn); font-weight: 700; }
.div-cell { background: rgba(163, 58, 31, 0.08); font-weight: 600 !important; }

.details-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 24px; }
.detail-card { background: var(--paper); border: 1px solid var(--ink); padding: 24px; }
.detail-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line-soft); }
.detail-head strong { font-family: var(--serif); font-size: 20px; }
.comp-detail { margin: 14px 0; padding-bottom: 14px; border-bottom: 1px dashed var(--line-soft); }
.comp-detail:last-child { border-bottom: none; }
.comp-detail-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.comp-detail-name { font-family: var(--serif); font-weight: 600; font-size: 14px; }
.comp-detail-nota { font-family: var(--mono); font-weight: 700; }
.comp-detail-text { font-size: 13px; color: var(--ink-soft); line-height: 1.55; }
.comp-detail-evidence { margin-top: 6px; font-family: var(--serif); font-style: italic; font-size: 13px; color: var(--ink-mute); border-left: 2px solid var(--accent); padding-left: 10px; }

/* ========== MODAL ========== */
.modal { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(26, 26, 26, 0.6); backdrop-filter: blur(4px); }
.modal-box { position: relative; background: var(--paper); border: 1px solid var(--ink); width: min(520px, 90vw); box-shadow: 8px 8px 0 var(--ink); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--ink); background: var(--bg-alt); }
.modal-head h3 { font-family: var(--serif); font-size: 22px; font-weight: 600; }
.btn-close { background: none; border: none; font-size: 28px; cursor: pointer; line-height: 1; color: var(--ink); }
.modal-body { padding: 24px; }
.modal-body label { display: block; font-family: var(--serif); font-weight: 600; margin-bottom: 6px; margin-top: 14px; }
.modal-body .hint { margin: 16px 0; padding: 12px; background: var(--bg-alt); border-left: 3px solid var(--accent); font-size: 12px; color: var(--ink-soft); }
.modal-body code { font-family: var(--mono); font-size: 11px; background: var(--paper); padding: 1px 5px; border: 1px solid var(--line-soft); }
.modal-body .btn-primary { margin-top: 16px; }

/* ========== LOADING ========== */
.loading-overlay { position: fixed; inset: 0; background: rgba(244, 241, 234, 0.92); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; z-index: 200; }
.loading-box { text-align: center; background: var(--paper); border: 1px solid var(--ink); padding: 40px 56px; box-shadow: 8px 8px 0 var(--ink); }
.loading-spinner { width: 48px; height: 48px; border: 3px solid var(--line-soft); border-top-color: var(--accent); border-radius: 50%; margin: 0 auto 20px; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { font-family: var(--serif); font-size: 22px; font-weight: 600; margin-bottom: 12px; }
.loading-models { font-family: var(--mono); font-size: 11px; color: var(--ink-mute); letter-spacing: 0.05em; max-width: 320px; }
.loading-models .model-row { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px dashed var(--line-soft); }
.loading-models .model-row:last-child { border-bottom: none; }
.loading-models .pending { color: var(--ink-mute); }
.loading-models .done { color: var(--ok); }
.loading-models .error { color: var(--warn); }

/* ========== FOOTER ========== */
.site-footer { border-top: 1px solid var(--ink); padding: 24px 48px; position: relative; z-index: 5; background: var(--bg-alt); }
.footer-inner { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; font-family: var(--mono); font-size: 10px; color: var(--ink-mute); letter-spacing: 0.05em; flex-wrap: wrap; gap: 12px; }
.footer-inner strong { font-family: var(--serif); font-size: 12px; color: var(--ink); font-weight: 600; }
.footer-meta .sep { margin: 0 8px; }

/* ============================================
   FOOTER com créditos (v0.3)
   ============================================ */

.site-footer {
  padding: 28px 48px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
  flex: 1;
  min-width: 260px;
}
.footer-brand strong {
  font-family: var(--serif);
  font-size: 13px;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0;
}
.footer-brand .footer-meta {
  margin-top: 4px;
  font-size: 10px;
}
.footer-brand .footer-meta .sep {
  margin: 0 6px;
}

.footer-credits {
  text-align: right;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  border-left: 1px solid var(--line-soft);
  padding-left: 24px;
}

.credit-author {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 12px;
  font-style: italic;
}
.credit-author a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.credit-author a:hover {
  border-bottom-color: var(--accent);
}

.credit-institution {
  color: var(--ink-mute);
  font-size: 10px;
  margin-top: 2px;
}
.credit-institution a {
  color: var(--ink-mute);
  text-decoration: none;
  border-bottom: 1px dotted var(--line-soft);
  transition: all 0.2s;
}
.credit-institution a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.credit-version {
  color: var(--ink-mute);
  font-size: 9px;
  letter-spacing: 0.1em;
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px solid var(--line-soft);
}

@media (max-width: 720px) {
  .footer-inner {
    flex-direction: column;
  }
  .footer-credits {
    text-align: left;
    border-left: none;
    border-top: 1px solid var(--line-soft);
    padding-left: 0;
    padding-top: 16px;
    width: 100%;
  }
}