/* Monumenta — Frontend MVP
   Estilo dark premium con tipografías Inter + Montserrat. */

:root {
  --bg: #000000;
  --bg-elev-1: #0a0a0c;
  --bg-elev-2: #131318;
  --bg-elev-3: #1c1c24;
  --border: #26262f;
  --border-strong: #383843;
  --text: #f5f5f7;
  --text-muted: #8a8a96;
  --accent: #3a7bff;     /* electric blue */
  --accent-hover: #5a93ff;
  --violet: #8b5cff;     /* neon violet */
  --green: #22d39a;
  --amber: #ffb547;
  --red: #ff5e5e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 14px; }

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: var(--bg-elev-1);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  font-size: 22px;
  background: linear-gradient(135deg, var(--accent), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.18em;
}

.topbar-actions { display: flex; gap: 12px; align-items: center; }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 12px;
  color: var(--text-muted);
}
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}
.status-dot.ok { background: var(--green); box-shadow: 0 0 8px var(--green); }
.status-dot.error { background: var(--red); box-shadow: 0 0 8px var(--red); }

.api-input {
  background: var(--bg-elev-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  width: 320px;
  outline: none;
  transition: border-color .15s;
}
.api-input:focus { border-color: var(--accent); }

/* ---------- Layout ---------- */
.container {
  display: grid;
  grid-template-columns: 480px 1fr;
  gap: 0;
  min-height: calc(100vh - 60px);
}

@media (max-width: 980px) {
  .container { grid-template-columns: 1fr; }
}

.sidebar {
  padding: 28px;
  background: var(--bg-elev-1);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  max-height: calc(100vh - 60px);
}

.results {
  padding: 28px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

/* ---------- Headings ---------- */
.page-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  margin: 0 0 4px;
}
.page-subtitle {
  color: var(--text-muted);
  margin: 0 0 20px;
  font-size: 13px;
}

/* ---------- Bloques ---------- */
.block {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
}

.block-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.block-num {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.15em;
}

.block-header h2 {
  font-size: 13px;
  font-weight: 600;
  margin: 0;
  flex: 1;
}

.block-body {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.actions-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  background: transparent;
  border: none;
}

/* ---------- Form fields ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.field > span {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.field input, .field select {
  background: var(--bg-elev-3);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  outline: none;
  transition: border-color .15s;
}
.field input:focus, .field select:focus { border-color: var(--accent); }

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 13px;
}
.field-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- Dropzone ---------- */
.dropzone {
  position: relative;
  border: 2px dashed var(--border-strong);
  border-radius: 10px;
  padding: 32px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: rgba(58, 123, 255, 0.05);
}
.dropzone-content {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.dropzone-icon {
  font-size: 24px;
  color: var(--accent);
}
.dropzone-text { font-weight: 500; }
.dropzone-hint { font-size: 11px; color: var(--text-muted); }
.preview {
  max-width: 100%;
  max-height: 200px;
  border-radius: 8px;
  display: block;
}

/* ---------- Tools / ops cards ---------- */
.tool-card, .op-card {
  background: var(--bg-elev-3);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 10px;
  position: relative;
}
.card-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}
.card-remove:hover { background: var(--bg-elev-2); color: var(--red); }

/* ---------- Buttons ---------- */
.btn {
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all .15s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--violet));
  color: white;
  border-color: transparent;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(58, 123, 255, 0.4); }
.btn-primary:disabled { opacity: 0.5; cursor: wait; transform: none; box-shadow: none; }

.btn-secondary {
  background: var(--bg-elev-2);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover { border-color: var(--accent); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-muted); }

.btn-mini {
  padding: 4px 10px;
  font-size: 12px;
  background: var(--bg-elev-3);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
}
.btn-mini:hover { background: var(--accent); border-color: var(--accent); color: white; }

/* ---------- Results ---------- */
.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.results-header h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 18px;
  margin: 0;
}
.result-status {
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 12px;
  border-radius: 99px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
}
.result-status.ok { color: var(--green); border-color: var(--green); }
.result-status.warning { color: var(--amber); border-color: var(--amber); }
.result-status.error { color: var(--red); border-color: var(--red); }

.result-tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.result-content { flex: 1; }
.tab-content { display: none; height: 100%; }
.tab-content.active { display: block; }

.preview-container {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 500px;
}
.preview-container.empty { color: var(--text-muted); }
.preview-container svg, .preview-container img {
  max-width: 100%;
  max-height: 500px;
  filter: drop-shadow(0 4px 24px rgba(58, 123, 255, 0.15));
}

.output {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  font-family: 'JetBrains Mono', 'Menlo', monospace;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  max-height: 600px;
  overflow-y: auto;
}
.output.empty { color: var(--text-muted); font-family: inherit; }

.finding {
  display: flex;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 8px;
  background: var(--bg-elev-2);
  border-left: 3px solid var(--text-muted);
}
.finding.error { border-left-color: var(--red); }
.finding.warning { border-left-color: var(--amber); }
.finding.info { border-left-color: var(--accent); }
.finding-id {
  font-weight: 700;
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}
.finding-content { flex: 1; font-family: inherit; }
.finding-msg { font-size: 13px; line-height: 1.5; margin-bottom: 4px; }
.finding-suggest { font-size: 12px; color: var(--text-muted); font-style: italic; }

.file-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  text-decoration: none;
  color: var(--text);
  transition: all .15s;
}
.file-link:hover {
  border-color: var(--accent);
  background: var(--bg-elev-3);
}
.file-link-name { font-weight: 600; }
.file-link-format {
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- AI / Intelligence ---------- */
.ai-toggle {
  margin-top: 4px;
  padding: 12px;
  background: linear-gradient(135deg, rgba(58, 123, 255, 0.08), rgba(139, 92, 255, 0.08));
  border: 1px solid rgba(58, 123, 255, 0.25);
  border-radius: 10px;
  align-items: flex-start;
}
.ai-toggle span { font-size: 12px; line-height: 1.5; color: var(--text-muted); }
.ai-toggle strong { color: var(--text); }

.ai-card {
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin-bottom: 12px;
  font-family: 'Inter', sans-serif;
}
.ai-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.04em;
  margin: 0 0 8px;
}
.ai-card p { margin: 6px 0; font-size: 13px; }
.ai-card code {
  background: var(--bg-elev-3);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
}
.ai-meta {
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.ai-confidence { font-size: 13px; margin-bottom: 8px; }
.ai-real {
  display: flex;
  justify-content: space-between;
  background: var(--bg-elev-3);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-top: 6px;
}
.ai-notes {
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
  margin-top: 8px;
}
.ai-components {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ai-components li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.ai-components li:last-child { border-bottom: none; }
.ai-comp-id {
  display: inline-block;
  background: var(--bg-elev-3);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: 6px;
  font-family: monospace;
  font-size: 11px;
  margin-right: 8px;
}
.ai-comp-role { font-weight: 600; }
.ai-iconic { color: var(--amber); margin-left: 4px; }
.ai-comp-weight {
  float: right;
  color: var(--text-muted);
  font-size: 11px;
}
.ai-comp-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}
.ai-card.warnings { border-color: var(--amber); }
.ai-card.warnings h3 { color: var(--amber); }
.ai-card.warnings ul { margin: 0; padding-left: 20px; font-size: 13px; }
.ai-meta-bottom {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 12px;
  padding: 12px 16px;
  background: var(--bg-elev-1);
  border-radius: 8px;
  border: 1px solid var(--border);
}

/* ---------- Depth / Relief ---------- */
.depth-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 6px;
  margin-left: 6px;
  text-transform: uppercase;
}
.relief-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 8px;
}
.relief-grid > div {
  background: var(--bg-elev-3);
  padding: 10px 12px;
  border-radius: 8px;
}
.relief-grid span {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.relief-grid strong {
  font-size: 16px;
  font-family: 'Inter', sans-serif;
}
.depth-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 8px;
}
.depth-table th, .depth-table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.depth-table th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
}
.depth-table tr:last-child td { border-bottom: none; }
.depth-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  vertical-align: middle;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: var(--bg-elev-3);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 14px 18px;
  max-width: 360px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  font-size: 13px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .25s, transform .25s;
  pointer-events: none;
  z-index: 1000;
}
.toast.visible { opacity: 1; transform: translateY(0); }
.toast.error { border-color: var(--red); }
.toast.success { border-color: var(--green); }

/* ---------- Scrollbars ---------- */
.sidebar::-webkit-scrollbar, .output::-webkit-scrollbar { width: 8px; }
.sidebar::-webkit-scrollbar-thumb, .output::-webkit-scrollbar-thumb {
  background: var(--border-strong); border-radius: 4px;
}