/* ════════════════════════════════════════════════════════
   LeaseExtract — style.css
   Dark professional theme
════════════════════════════════════════════════════════ */

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-app:       #0f1117;
  --bg-panel:     #161b22;
  --bg-card:      #1c2333;
  --bg-hover:     #21262d;
  --bg-input:     #0d1117;
  --border:       #30363d;
  --border-light: #21262d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted:   #484f58;
  --accent-blue:  #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-green: #22c55e;
  --accent-yellow: #f59e0b;
  --accent-red:   #ef4444;
  --accent-purple: #a78bfa;
  --radius:       6px;
  --radius-lg:    10px;
  --shadow:       0 1px 3px rgba(0,0,0,0.4);
  --shadow-lg:    0 8px 32px rgba(0,0,0,0.6);
  --font:         -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono:    'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  --nav-h:        52px;
}

html, body {
  height: 100%;
  font-family: var(--font);
  font-size: 14px;
  background: var(--bg-app);
  color: var(--text-primary);
  overflow: hidden;
}

/* ===== TOP NAV ===== */
.top-nav {
  height: var(--nav-h);
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
}
.nav-version {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 500;
}
.nav-controls { display: flex; align-items: center; gap: 8px; }
.nav-user-email {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
  line-height: 1.4;
}
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}
.btn-primary:not(:disabled):hover { background: var(--accent-blue-hover); border-color: var(--accent-blue-hover); }
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-ghost:not(:disabled):hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: #6b7280;
}
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
}
.modal {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 440px;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 15px; font-weight: 600; }
.modal-close {
  background: none; border: none;
  color: var(--text-secondary); font-size: 20px;
  cursor: pointer; line-height: 1;
  padding: 0 4px;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 20px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }
.form-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  padding: 8px 12px;
  font-size: 13px;
  font-family: var(--font-mono);
  outline: none;
}
.form-input:focus { border-color: var(--accent-blue); }
.form-hint { font-size: 12px; color: var(--text-muted); }

/* ===== SIDEBAR ===== */
.sidebar {
  width: 280px;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.2s;
}
.sidebar.collapsed { width: 0; min-width: 0; }
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}
.sidebar-title { font-size: 13px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }
.sidebar-list { flex: 1; overflow-y: auto; padding: 8px; }
.sidebar-empty { color: var(--text-muted); font-size: 13px; text-align: center; padding: 20px; }
.sidebar-item {
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  margin-bottom: 4px;
  transition: background 0.1s;
}
.sidebar-item:hover { background: var(--bg-card); border-color: var(--border-light); }
.sidebar-item-tenant { font-size: 13px; font-weight: 500; color: var(--text-primary); }
.sidebar-item-address { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.sidebar-item-meta { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
.sidebar-item-date { font-size: 11px; color: var(--text-muted); }
.sidebar-item-status { font-size: 10px; font-weight: 600; padding: 1px 6px; border-radius: 10px; }
.sidebar-item .btn-delete {
  float: right; background: none; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 14px; padding: 2px 4px; border-radius: 3px;
}
.sidebar-item .btn-delete:hover { color: var(--accent-red); background: rgba(239,68,68,0.1); }

/* ===== MAIN LAYOUT ===== */
.main-layout {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  height: calc(100vh - var(--nav-h));
  margin-top: var(--nav-h);
  overflow: hidden;
}

/* ===== PDF PANEL ===== */
.panel-pdf {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--bg-panel);
  overflow: hidden;
}
.panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  flex-shrink: 0;
}
.panel-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.doc-tabs {
  display: flex;
  gap: 4px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
}
.doc-tabs::-webkit-scrollbar { display: none; }
.doc-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
  color: var(--text-secondary);
  background: transparent;
  transition: all 0.15s;
}
.doc-tab:hover { background: var(--bg-hover); color: var(--text-primary); }
.doc-tab.active {
  background: var(--bg-hover);
  border-color: var(--border);
  color: var(--text-primary);
}
.doc-tab-close {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1;
  padding: 0 2px;
  border-radius: 2px;
}
.doc-tab-close:hover { color: var(--accent-red); background: rgba(239,68,68,0.1); }
.upload-btn { cursor: pointer; flex-shrink: 0; }

/* ===== PDF VIEWER ===== */
.pdf-drop-zone {
  flex: 1;
  overflow: auto;
  position: relative;
  background: #1a1a1a;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.drop-message {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 100%;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
  pointer-events: none;
}
.drop-message strong { color: var(--text-secondary); }
.pdf-drop-zone.drag-over { border: 2px dashed var(--accent-blue); }
#pdf-canvas {
  display: none;
  max-width: 100%;
}
.pdf-text-layer {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.pdf-highlight {
  position: absolute;
  background: rgba(59,130,246,0.25);
  border: 1px solid rgba(59,130,246,0.5);
  border-radius: 2px;
  pointer-events: none;
  animation: highlight-fade 3s ease forwards;
}
@keyframes highlight-fade {
  0%   { background: rgba(59,130,246,0.4); }
  70%  { background: rgba(59,130,246,0.25); }
  100% { background: rgba(59,130,246,0.1); }
}
.pdf-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 12px;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  flex-shrink: 0;
}
.pdf-page-info { font-size: 13px; color: var(--text-secondary); }

/* ===== EXTRACTION PANEL ===== */
.panel-extract {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-app);
}

/* ===== STATUS BAR ===== */
.status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.status-left { display: flex; align-items: center; gap: 10px; }
.status-right { display: flex; align-items: center; gap: 8px; }
.status-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.status-badge.badge-none     { background: var(--bg-card); color: var(--text-muted); border: 1px solid var(--border); }
.status-badge.badge-draft    { background: rgba(59,130,246,0.15);  color: var(--accent-blue);   border: 1px solid rgba(59,130,246,0.3); }
.status-badge.badge-review   { background: rgba(245,158,11,0.15);  color: var(--accent-yellow); border: 1px solid rgba(245,158,11,0.3); }
.status-badge.badge-complete { background: rgba(34,197,94,0.15);   color: var(--accent-green);  border: 1px solid rgba(34,197,94,0.3);  }
.status-text { font-size: 13px; color: var(--text-secondary); }
.export-group { display: flex; gap: 4px; }

/* ===== PROGRESS ===== */
.progress-container {
  padding: 12px 16px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.progress-bar {
  height: 4px;
  background: var(--bg-card);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 8px;
}
.progress-fill {
  height: 100%;
  background: var(--accent-blue);
  border-radius: 2px;
  transition: width 0.5s ease;
  width: 0%;
}
.progress-steps {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.progress-step {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: var(--bg-card);
}
.progress-step.active  { color: var(--accent-blue);  border-color: var(--accent-blue);  background: rgba(59,130,246,0.1); }
.progress-step.done    { color: var(--accent-green); border-color: var(--accent-green); background: rgba(34,197,94,0.1);  }
.progress-step.error   { color: var(--accent-red);   border-color: var(--accent-red);   background: rgba(239,68,68,0.1);  }

/* ===== MODE TABS ===== */
.mode-tabs { display: flex; gap: 2px; background: var(--bg-card); border-radius: var(--radius); padding: 2px; }
.mode-tab {
  padding: 4px 12px; font-size: 12px; font-weight: 500;
  border: none; border-radius: 4px; cursor: pointer;
  background: transparent; color: var(--text-muted);
  transition: all 0.15s;
}
.mode-tab.active { background: var(--accent-blue); color: #fff; }
.mode-tab:not(.active):hover { color: var(--text-primary); }

/* ===== BATCH PANEL ===== */
.batch-panel {
  padding: 12px 16px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
}
.batch-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.batch-buttons { display: flex; gap: 4px; }
.batch-progress { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.batch-progress-text { font-size: 12px; color: var(--text-secondary); white-space: nowrap; }
.batch-list { max-height: 200px; overflow-y: auto; }
.batch-item {
  display: grid;
  grid-template-columns: 1fr 60px auto auto;
  gap: 8px;
  align-items: center;
  padding: 6px 10px;
  border-radius: var(--radius);
  font-size: 12px;
  border: 1px solid transparent;
}
.batch-item:hover { background: var(--bg-card); border-color: var(--border-light); }
.batch-item-name { color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.batch-item-pages { color: var(--text-muted); text-align: center; }
.batch-item-status {
  font-size: 10px; font-weight: 600; padding: 2px 8px;
  border-radius: 10px; text-transform: uppercase;
}
.batch-item-status.pending { background: var(--bg-card); color: var(--text-muted); border: 1px solid var(--border); }
.batch-item-status.processing { background: rgba(59,130,246,0.15); color: var(--accent-blue); border: 1px solid rgba(59,130,246,0.3); }
.batch-item-status.done { background: rgba(34,197,94,0.15); color: var(--accent-green); border: 1px solid rgba(34,197,94,0.3); }
.batch-item-status.error { background: rgba(239,68,68,0.15); color: var(--accent-red); border: 1px solid rgba(239,68,68,0.3); }

/* ===== OCR WARNING ===== */
.ocr-warning {
  padding: 10px 16px;
  background: rgba(245,158,11,0.12);
  border: 1px solid rgba(245,158,11,0.25);
  color: var(--accent-yellow);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius);
  margin: 8px 16px 0;
}

/* ===== FIELDS ===== */
.fields-container {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 16px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.7;
}
.empty-state strong { color: var(--text-secondary); }

.section-block {
  margin-bottom: 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-card);
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--border);
}
.section-header:hover { background: var(--bg-hover); }
.section-title {
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-count {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-app);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 10px;
}
.section-chevron {
  font-size: 12px;
  color: var(--text-muted);
  transition: transform 0.2s;
}
.section-block.collapsed .section-chevron { transform: rotate(-90deg); }
.section-block.collapsed .section-fields  { display: none; }
.section-fields { padding: 8px; display: grid; gap: 6px; }

/* Field rows */
.field-row {
  display: grid;
  grid-template-columns: 200px 1fr auto auto;
  align-items: start;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background 0.1s;
}
.field-row:hover { background: var(--bg-card); border-color: var(--border-light); }
.field-row.field-amended { border-left: 3px solid var(--accent-yellow); padding-left: 8px; }

.field-label {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
  padding-top: 2px;
}
.field-value {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.4;
  word-break: break-word;
}
.field-value.value-empty { color: var(--text-muted); font-style: italic; }
.field-value.value-table { display: block; }

/* Mini table for rent schedules */
.mini-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 4px;
}
.mini-table th {
  text-align: left;
  color: var(--text-muted);
  font-weight: 500;
  padding: 3px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.mini-table td {
  padding: 4px 8px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
}
.mini-table tr:last-child td { border-bottom: none; }

/* Confidence badges */
.conf-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
  white-space: nowrap;
  flex-shrink: 0;
}
.conf-high   { background: rgba(34,197,94,0.12);  color: var(--accent-green);  border: 1px solid rgba(34,197,94,0.25);  }
.conf-medium { background: rgba(245,158,11,0.12); color: var(--accent-yellow); border: 1px solid rgba(245,158,11,0.25); }
.conf-low    { background: rgba(239,68,68,0.12);   color: var(--accent-red);    border: 1px solid rgba(239,68,68,0.25);  }
.conf-na     { background: var(--bg-card);         color: var(--text-muted);    border: 1px solid var(--border);          }

/* Source link */
.field-source {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}
.source-link {
  font-size: 11px;
  color: var(--accent-blue);
  cursor: pointer;
  white-space: nowrap;
  padding: 2px 6px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all 0.15s;
  background: none;
  text-decoration: none;
}
.source-link:hover { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.3); }
.copy-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius);
  font-size: 11px;
  transition: all 0.15s;
  white-space: nowrap;
}
.copy-btn:hover { background: var(--bg-hover); border-color: var(--border); color: var(--text-primary); }
.copy-btn.copied { color: var(--accent-green); border-color: rgba(34,197,94,0.3); }

/* Audit score inline */
.audit-score {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ===== AMENDMENT DIFF ===== */
.amendment-diff {
  margin: 12px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.diff-header {
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}
.diff-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.diff-table th {
  text-align: left; padding: 8px 12px;
  background: var(--bg-card); color: var(--text-muted);
  font-weight: 500; font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.04em; border-bottom: 1px solid var(--border);
}
.diff-table td { padding: 8px 12px; border-bottom: 1px solid var(--border-light); }
.diff-table .diff-changed { background: rgba(245,158,11,0.08); }

/* ===== ADMIN PAGE ===== */
.admin-layout { max-width: 1200px; margin: 0 auto; padding: 20px; }
.admin-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0; border-bottom: 1px solid var(--border); margin-bottom: 20px;
}
.admin-header h1 { font-size: 20px; font-weight: 600; }
.summary-cards {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-bottom: 24px;
}
.summary-card {
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
}
.summary-card-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; }
.summary-card-value { font-size: 28px; font-weight: 600; color: var(--text-primary); }
.admin-filter-bar {
  display: flex; gap: 12px; align-items: center;
  margin-bottom: 16px; flex-wrap: wrap;
}
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th {
  text-align: left; padding: 10px 12px;
  background: var(--bg-card); color: var(--text-muted);
  font-weight: 500; font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.04em; border-bottom: 1px solid var(--border);
}
.admin-table td { padding: 10px 12px; border-bottom: 1px solid var(--border-light); }
.admin-table tr:hover { background: var(--bg-card); }
.cost-table { margin-top: 24px; }
.cost-table th, .cost-table td { text-align: right; }
.cost-table th:first-child, .cost-table td:first-child { text-align: left; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #4b5563; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .main-layout { grid-template-columns: 1fr 1fr; }
  .sidebar { display: none; }
}
@media (max-width: 900px) {
  .main-layout { grid-template-columns: 1fr; grid-template-rows: 50vh 1fr; }
  .panel-pdf { border-right: none; border-bottom: 1px solid var(--border); }
}