:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --border: #dde1e6;
  --text: #1f2430;
  --text-muted: #5c6370;
  --primary: #2e5aa8;
  --primary-light: #e8effa;
  --destacado: #1e8e5a;
  --destacado-bg: #e6f6ee;
  --logrado: #b8860b;
  --logrado-bg: #fbf3df;
  --proceso: #b3382c;
  --proceso-bg: #fbe9e7;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181d;
    --surface: #1e2128;
    --border: #30343c;
    --text: #e7e9ee;
    --text-muted: #9aa1ac;
    --primary: #6f9ceb;
    --primary-light: #22344f;
    --destacado: #4fce93;
    --destacado-bg: #16302380;
    --logrado: #e0b84a;
    --logrado-bg: #3a300f80;
    --proceso: #e37c6e;
    --proceso-bg: #3a1a1780;
    --shadow: 0 1px 3px rgba(0,0,0,0.4);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding-bottom: 110px;
}

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 16px 20px;
}

.topbar h1 {
  font-size: 1.3rem;
  margin: 0 0 12px 0;
}

.meta-fields {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.meta-fields label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--text-muted);
  flex: 1 1 200px;
}

.meta-fields input {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 20px;
}

.section-block {
  margin-bottom: 32px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 1.15rem;
  margin: 0;
  color: var(--primary);
}

.section-header .section-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.part-block {
  margin-bottom: 22px;
}

.part-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 10px 0;
}

.criterion {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 14px;
}

.criterion-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.criterion-name {
  font-weight: 600;
  font-size: 1rem;
}

.criterion-score {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.criterion-score input {
  width: 60px;
  padding: 5px 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  text-align: center;
}

.levels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

@media (max-width: 720px) {
  .levels { grid-template-columns: 1fr; }
}

.level-card {
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
  background: var(--bg);
  transition: border-color 0.15s, background 0.15s;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.level-card:hover {
  border-color: var(--primary);
}

.level-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.level-card .level-title {
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.level-card ul {
  margin: 0;
  padding-left: 18px;
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--text-muted);
}

.level-card li { margin-bottom: 4px; }
.level-card li:last-child { margin-bottom: 0; }

.level-title .level-hint {
  font-weight: 400;
  font-style: italic;
  font-size: 0.75rem;
  opacity: 0.75;
}

.level-card.destacado .level-title { color: var(--destacado); }
.level-card.logrado .level-title { color: var(--logrado); }
.level-card.proceso .level-title { color: var(--proceso); }

.level-card.selected.destacado { border-color: var(--destacado); background: var(--destacado-bg); }
.level-card.selected.logrado { border-color: var(--logrado); background: var(--logrado-bg); }
.level-card.selected.proceso { border-color: var(--proceso); background: var(--proceso-bg); }

.criterion-comment {
  margin-top: 10px;
}

.criterion-comment textarea {
  width: 100%;
  min-height: 44px;
  resize: vertical;
  font-family: inherit;
  font-size: 0.85rem;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
}

.criterion-comment summary {
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  margin-bottom: 6px;
}

.actions {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 10px 20px;
  display: flex;
  gap: 10px;
  align-items: center;
  z-index: 20;
}

.btn {
  font-family: inherit;
  font-size: 0.9rem;
  padding: 9px 16px;
  border-radius: 7px;
  border: 1px solid var(--border);
  cursor: pointer;
  background: var(--surface);
  color: var(--text);
}

.btn-secondary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.btn-danger {
  color: var(--proceso);
}

.save-status {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: auto;
}

.summary-bar {
  position: fixed;
  bottom: 46px;
  left: 0;
  right: 0;
  background: var(--primary);
  color: white;
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 8px 20px;
  z-index: 19;
  box-shadow: 0 -2px 6px rgba(0,0,0,0.15);
}

.summary-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.8rem;
}

.summary-item .summary-value {
  font-size: 1.1rem;
  font-weight: 700;
}

.summary-item.final .summary-value {
  font-size: 1.4rem;
}

.toast {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(-12px);
  background: var(--destacado);
  color: white;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.copy-fallback-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.copy-fallback-box {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 20px;
  max-width: 700px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.copy-fallback-box p {
  margin: 0;
  font-size: 0.9rem;
}

.copy-fallback-content {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  background: white;
  color: #1f2430;
}

.copy-fallback-box .btn {
  align-self: flex-end;
}

/* Print styles */
@media print {
  body { padding-bottom: 0; background: white; color: black; }
  .no-print, .actions { display: none !important; }
  .summary-bar {
    position: static;
    background: white;
    color: black;
    border-bottom: 2px solid black;
    box-shadow: none;
    margin-bottom: 20px;
  }
  .topbar { position: static; }
  .criterion { box-shadow: none; break-inside: avoid; }
  .level-card { break-inside: avoid; }
  .levels { grid-template-columns: repeat(3, 1fr) !important; }
  .level-card:not(.selected) { opacity: 0.45; }
}