/* Estilos del banco de examen Oracle (Fase 3). Usa las mismas variables de color que styles.css
   (definidas en :root ahi); este archivo se carga despues y solo anade reglas nuevas. */

.certbank-header h2 { margin: 0 0 6px; }
.certbank-header p { color: var(--text-dim); margin: 0 0 18px; max-width: 760px; }
.certbank-header code { background: var(--bg-elevated); padding: 1px 6px; border-radius: 4px; }

.cert-gamify-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 16px; margin-bottom: 16px;
}
.cert-gamify-level { display: flex; flex-direction: column; gap: 4px; min-width: 160px; flex: 1; }
.cert-gamify-level-name { font-size: 13px; font-weight: 600; color: var(--accent-strong); }
.progress-track.small { height: 5px; }

.certbank-tabs {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px;
}
.certbank-tabs button, .cert-admin-tabs button {
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text-dim);
  padding: 8px 14px; border-radius: 20px; cursor: pointer; font-size: 13px;
}
.certbank-tabs button.active, .cert-admin-tabs button.active {
  background: var(--accent-soft); border-color: var(--accent); color: var(--accent-strong);
}

.cert-panel {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin-bottom: 18px;
}
.cert-hint { color: var(--text-faint); font-size: 12.5px; }

.cert-filters {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px;
  margin: 14px 0;
}
.cert-filter-group { display: flex; flex-direction: column; gap: 4px; }
.cert-filter-label { font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-faint); margin-bottom: 4px; }
.cert-filter-group select[multiple] {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 8px; color: var(--text);
  padding: 4px;
}
.cert-check { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-dim); }

.cert-empty-state {
  padding: 16px; text-align: center; color: var(--text-faint); border: 1px dashed var(--border);
  border-radius: var(--radius); margin-top: 10px;
}
.hidden { display: none !important; }

.cert-question-card {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin-top: 14px;
}
.cert-question-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.cert-question-meta .pill.accent { background: var(--accent-soft); color: var(--accent-strong); }
.cert-question-meta .pill.warn { background: rgba(234,179,8,.15); color: #eab308; }

.cert-question-body { margin-bottom: 14px; }
.cb-block { margin: 0 0 12px; }
.cb-text { line-height: 1.6; }
.cb-sql {
  background: #0d1117; color: #c9d1d9; padding: 12px 14px; border-radius: 8px; overflow-x: auto;
  font-family: "Cascadia Code", "Consolas", monospace; font-size: 13px; white-space: pre-wrap;
}
.cb-image-wrap { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.cb-image { max-width: 100%; max-height: 320px; border-radius: 8px; border: 1px solid var(--border); cursor: zoom-in; }
.cb-image.zoomed {
  position: fixed; inset: 0; margin: auto; max-width: 92vw; max-height: 92vh; z-index: 500;
  cursor: zoom-out; box-shadow: 0 0 0 9999px rgba(0,0,0,.75);
}
.cb-image-hint { font-size: 11px; color: var(--text-faint); }

.cert-options { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.cert-option {
  display: flex; align-items: flex-start; gap: 10px; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--border); cursor: pointer; background: var(--bg-card);
}
.cert-option:hover { border-color: var(--accent); }
.cert-option.disabled { cursor: default; }
.cert-option.is-correct { border-color: var(--green, #22c55e); background: rgba(34,197,94,.1); }
.cert-option.is-incorrect { border-color: var(--red, #ef4444); background: rgba(239,68,68,.1); }
.cert-option-id { font-weight: 700; min-width: 18px; }
.cert-option-text { white-space: pre-wrap; }

.cert-question-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 10px; }

.cert-feedback {
  border-radius: 8px; padding: 14px; display: flex; flex-direction: column; gap: 8px; margin-top: 10px;
}
.cert-feedback.ok { background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.4); }
.cert-feedback.bad { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.4); }
.cert-feedback button { align-self: flex-start; }

.cert-explanation {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 12px; display: flex; flex-direction: column; gap: 4px;
}
.cert-explanation-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--accent-strong); font-weight: 600;
}
.cert-explanation p { margin: 0; font-size: 13.5px; line-height: 1.55; color: var(--text-dim); }

.cert-summary { text-align: center; }
.cert-exam-score { font-size: 32px; font-weight: 700; margin: 6px 0; }
.cert-fail-list { text-align: left; max-width: 640px; margin: 10px auto; color: var(--text-dim); font-size: 13px; }

.cert-exam-chrome { margin-bottom: 14px; }
.cert-exam-timer { font-size: 15px; margin-bottom: 10px; }
.cert-exam-palette { display: flex; flex-wrap: wrap; gap: 6px; }
.palette-btn {
  width: 32px; height: 32px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text-dim); cursor: pointer; font-size: 12px;
}
.palette-btn.answered { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-strong); }
.palette-btn.flagged { box-shadow: 0 0 0 2px #eab308 inset; }
.palette-btn.current { outline: 2px solid var(--accent); }

.cert-review-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-top: 12px; }
.cert-review-card {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; text-align: left; cursor: pointer; color: var(--text);
  display: flex; justify-content: space-between; align-items: center; font-size: 14px;
}
.cert-review-card span { font-size: 20px; font-weight: 700; color: var(--accent-strong); }

.cert-difficulty-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 14px; }
.cert-difficulty-card {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; position: relative; display: flex; flex-direction: column; gap: 6px;
}
.cert-difficulty-card:hover { border-color: var(--accent); }
.cert-difficulty-card-tag {
  position: absolute; top: 14px; right: 14px; width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-strong); font-weight: 700; font-size: 13px;
  display: flex; align-items: center; justify-content: center;
}
.cert-difficulty-card h4 { margin: 4px 0 0; font-size: 18px; padding-right: 30px; }
.cert-difficulty-card-desc { color: var(--text-dim); font-size: 13px; line-height: 1.5; margin: 0 0 4px; flex: 1; }
.cert-difficulty-card-count { font-size: 12px; color: var(--text-faint); }
.cert-difficulty-card-progress { font-size: 12px; color: var(--accent-strong); margin-bottom: 6px; }
.cert-difficulty-card button { align-self: flex-start; }

.cert-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin: 14px 0; }
.cert-stat-tile {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; display: flex; flex-direction: column; align-items: center;
}
.cert-stat-tile .num { font-size: 24px; font-weight: 700; }
.cert-stat-tile .lbl { font-size: 11.5px; color: var(--text-faint); margin-top: 2px; }
.cert-exam-history { color: var(--text-dim); font-size: 13px; }

.cert-admin-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.cert-admin-list { display: flex; flex-direction: column; gap: 14px; margin-top: 10px; }
.cert-admin-row {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px;
}
.cert-admin-row-head { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.cert-admin-options { margin: 10px 0; padding-left: 18px; font-size: 13px; color: var(--text-dim); }
.cert-admin-options li.is-correct { color: var(--green, #22c55e); font-weight: 600; }
.cert-admin-reasons { font-size: 12.5px; color: #eab308; margin: 6px 0; }
.cert-admin-edit { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin: 10px 0; }
.cert-admin-edit label { display: flex; flex-direction: column; font-size: 11.5px; color: var(--text-faint); gap: 4px; }
.cert-admin-edit input, .cert-admin-edit select {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 6px; color: var(--text); padding: 6px 8px;
}
.cert-admin-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.cert-admin-pager { display: flex; align-items: center; gap: 12px; justify-content: center; margin-top: 14px; }

.cert-admin-exam-filter {
  display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-faint);
  text-transform: uppercase; letter-spacing: .04em; margin: 0 0 14px;
}
.cert-admin-exam-filter select {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 8px; color: var(--text);
  padding: 6px 10px; font-size: 13px; text-transform: none; letter-spacing: normal; cursor: pointer;
}

.cert-visual-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; margin-top: 12px; }
.cert-visual-card {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px;
  display: flex; flex-direction: column; gap: 8px;
}
.cert-visual-card img { width: 100%; border-radius: 6px; cursor: zoom-in; }
.cert-visual-card img.zoomed {
  position: fixed; inset: 0; margin: auto; max-width: 92vw; max-height: 92vh; width: auto; z-index: 500;
  cursor: zoom-out; box-shadow: 0 0 0 9999px rgba(0,0,0,.75);
}

.cert-validation-list { line-height: 1.9; font-size: 13.5px; color: var(--text-dim); }

.cert-level-card {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; display: flex; flex-direction: column; gap: 8px; margin: 12px 0 20px;
}
.cert-level-card > div:first-child { display: flex; justify-content: space-between; align-items: baseline; }
.cert-level-name { font-size: 17px; font-weight: 700; color: var(--accent-strong); }
.cert-level-xp { font-size: 13px; color: var(--text-dim); }

.cert-missions { list-style: none; margin: 10px 0 20px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.cert-missions li {
  display: flex; justify-content: space-between; gap: 10px; padding: 10px 12px;
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 8px; font-size: 13.5px;
}
.cert-missions li.done { border-color: var(--green); color: var(--green); }
.cert-mission-progress { color: var(--text-faint); font-size: 12px; white-space: nowrap; }

.cert-badges-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-top: 10px; }
.cert-badge {
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; display: flex; flex-direction: column; gap: 4px;
}
.cert-badge.earned { border-color: var(--accent); background: var(--accent-soft); }
.cert-badge.locked { opacity: .55; }
.cert-badge-name { font-weight: 700; font-size: 14px; }
.cert-badge-desc { font-size: 12px; color: var(--text-dim); }
.cert-badge-date { font-size: 11px; color: var(--text-faint); }

.cert-ranking-table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.cert-ranking-table th, .cert-ranking-table td {
  text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13.5px;
}
.cert-ranking-table th { color: var(--text-faint); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; }

@media (max-width: 720px) {
  .cert-filters { grid-template-columns: 1fr; }
  .cert-admin-edit { flex-direction: column; align-items: stretch; }
  .cert-gamify-bar { flex-direction: column; align-items: stretch; }
  .cert-ranking-table { display: block; overflow-x: auto; }
}