/* PropCapture — minimal clean CSS */

*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f8f9fa;
  color: #1a1a2e;
  margin: 0;
  padding: 0;
  line-height: 1.5;
}

/* ── Layout ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  padding: 16px 0;
}

header .container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: #2563eb;
  text-decoration: none;
}

.logo span {
  color: #1a1a2e;
}

main {
  padding: 40px 20px;
  max-width: 1100px;
  margin: 0 auto;
}

/* ── Upload page ── */
.upload-card {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  padding: 48px 40px;
  max-width: 540px;
  margin: 40px auto;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.upload-card h1 {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: #1a1a2e;
}

.upload-card .subtitle {
  color: #64748b;
  font-size: 0.95rem;
  margin-bottom: 32px;
}

.drop-zone {
  border: 2px dashed #cbd5e1;
  border-radius: 8px;
  padding: 32px 20px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  margin-bottom: 20px;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: #2563eb;
  background: #eff6ff;
}

.drop-zone .icon {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.drop-zone p {
  margin: 4px 0;
  color: #64748b;
  font-size: 0.9rem;
}

.drop-zone .file-name {
  color: #2563eb;
  font-weight: 600;
  margin-top: 8px;
  font-size: 0.9rem;
}

#file-input {
  display: none;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  text-decoration: none;
}

.btn:hover { background: #1d4ed8; }
.btn:disabled { background: #94a3b8; cursor: not-allowed; }

.btn-secondary {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #cbd5e1;
}
.btn-secondary:hover { background: #e2e8f0; }

.error-msg {
  color: #dc2626;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

/* ── Processing page ── */
.processing-card {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  padding: 48px 40px;
  max-width: 540px;
  margin: 60px auto;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.spinner {
  width: 56px;
  height: 56px;
  border: 5px solid #e2e8f0;
  border-top-color: #2563eb;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 24px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.processing-card h2 {
  font-size: 1.4rem;
  margin: 0 0 8px;
}

.processing-card .file-label {
  color: #2563eb;
  font-weight: 600;
}

.processing-card .info {
  color: #64748b;
  font-size: 0.9rem;
  margin: 8px 0 0;
}

.elapsed-counter {
  display: inline-block;
  font-size: 0.85rem;
  color: #94a3b8;
  margin-top: 12px;
}

.steps-list {
  text-align: left;
  margin: 24px auto 0;
  max-width: 320px;
  list-style: none;
  padding: 0;
}

.steps-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: 0.9rem;
  color: #64748b;
  border-bottom: 1px solid #f1f5f9;
}

.steps-list li:last-child { border-bottom: none; }

.step-icon { font-size: 1rem; width: 20px; text-align: center; }

/* ── Results page ── */
.summary-bar {
  background: #2563eb;
  color: #fff;
  border-radius: 10px;
  padding: 18px 24px;
  display: flex;
  gap: 32px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.summary-bar .stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.summary-bar .stat-num {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
}

.summary-bar .stat-label {
  font-size: 0.8rem;
  opacity: 0.85;
  margin-top: 2px;
}

.summary-bar .pdf-name {
  margin-left: auto;
  opacity: 0.85;
  font-size: 0.85rem;
  font-style: italic;
}

/* ── Sections ── */
.section {
  margin-bottom: 40px;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.section-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0;
}

.badge {
  background: #e0e7ff;
  color: #3730a3;
  border-radius: 20px;
  padding: 2px 10px;
  font-size: 0.8rem;
  font-weight: 600;
}

/* ── BHK Filter Tabs ── */
.bhk-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.bhk-btn {
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #475569;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.bhk-btn:hover { border-color: #2563eb; color: #2563eb; }
.bhk-btn.active { background: #2563eb; color: #fff; border-color: #2563eb; }

/* ── Image Grids ── */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 768px) {
  .plans-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .plans-grid { grid-template-columns: 1fr; }
}

.plan-card {
  background: #fff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  overflow: hidden;
  transition: box-shadow 0.15s;
}

.plan-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.1); }

.plan-card img {
  width: 100%;
  display: block;
  object-fit: contain;
  background: #f8f9fa;
  max-height: 200px;
  cursor: pointer;
}

.plan-card .plan-info {
  padding: 10px 12px;
}

.plan-card .plan-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #1a1a2e;
  margin: 0 0 3px;
  word-break: break-all;
}

.plan-card .plan-meta {
  font-size: 0.75rem;
  color: #64748b;
}

.plan-card .plan-meta span {
  display: inline-block;
  margin-right: 8px;
}

.plan-type-chip {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 4px;
}

.chip-unit { background: #dbeafe; color: #1d4ed8; }
.chip-master { background: #d1fae5; color: #065f46; }
.chip-floor { background: #fef3c7; color: #92400e; }
.chip-amenity { background: #dcfce7; color: #166534; }
.chip-exterior { background: #e0e7ff; color: #3730a3; }
.chip-interior { background: #fce7f3; color: #9d174d; }
.chip-location { background: #ffedd5; color: #9a3412; }
.chip-spec { background: #f1f5f9; color: #475569; }
.chip-lifestyle { background: #fef3c7; color: #92400e; }

/* ── Full-width master plan images ── */
.master-plans-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.master-plan-card {
  background: #fff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  overflow: hidden;
}

.master-plan-card img {
  width: 100%;
  display: block;
  object-fit: contain;
  background: #f8f9fa;
  max-height: 360px;
  cursor: pointer;
}

.master-plan-card .plan-info {
  padding: 10px 12px;
}

/* ── Empty state ── */
.empty-state {
  color: #94a3b8;
  font-size: 0.9rem;
  padding: 20px 0;
  font-style: italic;
}

/* ── JSON section ── */
.json-section details {
  background: #fff;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  overflow: hidden;
}

.json-section summary {
  padding: 14px 18px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  user-select: none;
  color: #475569;
}

.json-section summary:hover { background: #f8f9fa; }

.json-section pre {
  margin: 0;
  padding: 16px 18px;
  background: #1e293b;
  color: #e2e8f0;
  font-size: 0.78rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  border-top: 1px solid #e2e8f0;
  max-height: 500px;
  overflow-y: auto;
}

/* ── Lightbox ── */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.lightbox.open { display: flex; }

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 4px;
}

.lightbox-close {
  position: absolute;
  top: 16px;
  right: 20px;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

/* ── Error page ── */
.error-card {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #fecaca;
  padding: 40px;
  max-width: 700px;
  margin: 40px auto;
}

.error-card h2 { color: #dc2626; margin-top: 0; }
.error-card .traceback {
  background: #1e293b;
  color: #fca5a5;
  padding: 16px;
  border-radius: 6px;
  font-size: 0.8rem;
  white-space: pre-wrap;
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
}

/* ── Back link ── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #2563eb;
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.back-link:hover { text-decoration: underline; }