/* Lease Management Prototype - Phase L0
   White theme: distinguishes lease pages from the dark accounting/projects
   pages (intentional visual segregation per user request 2026-05-21). */
:root {
  --bg: #ffffff;
  --surface: #fafbfc;
  --surface-hover: #f1f5f9;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-dim: #64748b;
  --accent: #2563eb;
  --red: #dc2626;
  --amber: #d97706;
  --green: #16a34a;
  --blue: #2563eb;
  --purple: #7c3aed;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text);
  min-height: 100vh;
}

/* Prototype banner */
.proto-banner {
  background: var(--purple); color: #fff;
  padding: 6px 16px; font: 600 12px -apple-system, sans-serif;
  text-align: center; letter-spacing: 0.5px;
}

/* Header */
.header {
  padding: 16px; background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.header h1 { font-size: 18px; font-weight: 600; }
.header h1 .crumb { color: var(--text-dim); font-weight: 400; }
.header-nav { display: flex; gap: 14px; flex-wrap: wrap; }
.header-nav a {
  color: var(--text-dim); text-decoration: none; font-size: 13px;
  padding: 4px 10px; border-radius: 6px;
}
.header-nav a:hover { color: var(--accent); background: var(--bg); }
.header-nav a.active { color: var(--accent); background: var(--bg); }
.btn {
  background: var(--accent); color: #fff; border: none;
  font-size: 13px; cursor: pointer; padding: 7px 14px;
  border-radius: 6px; font-weight: 500;
}
.btn:hover { opacity: 0.9; }
.btn-ghost {
  background: none; color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); }
.btn-danger { background: var(--red); }
.btn-warn { background: var(--amber); color: #000; }

.container { padding: 16px; max-width: 1100px; margin: 0 auto; }

/* KPI cards row */
.kpi-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px; margin-bottom: 18px;
}
.kpi-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px;
}
.kpi-card .label {
  font-size: 11px; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.5px;
}
.kpi-card .value {
  font-size: 22px; font-weight: 700; margin-top: 4px;
}
.kpi-card .sub { font-size: 11px; color: var(--text-dim); margin-top: 2px; }
.kpi-card.warn .value { color: var(--amber); }
.kpi-card.bad .value { color: var(--red); }
.kpi-card.good .value { color: var(--green); }

/* Filter chips */
.filter-bar { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.filter-chip {
  padding: 6px 12px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text-dim); cursor: pointer;
  font-size: 13px;
}
.filter-chip.active { border-color: var(--accent); color: var(--accent); }
.filter-chip .ct { font-weight: 600; margin-left: 4px; opacity: 0.7; }

/* Property / TA card */
.lease-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 16px; margin-bottom: 10px;
  cursor: pointer; transition: all 0.15s;
}
.lease-card:hover { background: var(--surface-hover); border-color: var(--accent); }
.lease-card .row1 {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-bottom: 6px;
}
.lease-card .code {
  font-weight: 400; font-size: 12px; min-width: 130px;
  color: var(--text-dim); font-variant-numeric: tabular-nums;
}
.lease-card .addr {
  flex: 1; color: var(--text); font-size: 14px; font-weight: 700;
  min-width: 180px;
}
.lease-card .row2 {
  display: flex; gap: 14px; flex-wrap: wrap;
  font-size: 12px; color: var(--text-dim);
}
.lease-card .row2 b { color: var(--text); font-weight: 600; }

/* Status badges */
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.3px;
}
.badge-active { background: #dcfce7; color: #166534; }
.badge-vacant { background: #f3f4f6; color: #6b7280; }
.badge-expiring { background: #fef3c7; color: #92400e; }
.badge-overdue { background: #fee2e2; color: #991b1b; }
.badge-terminated { background: #f3e8ff; color: #6b21a8; }
.badge-paid { background: #dcfce7; color: #166534; }
.badge-draft { background: #f1f5f9; color: #475569; }
.badge-pushed { background: #dbeafe; color: #1e40af; }
.badge-holdover { background: #fed7aa; color: #9a3412; }
.badge-pending { background: #fef9c3; color: #854d0e; }
.badge-stamped { background: #dcfce7; color: #166534; }

/* Detail page sections */
.section {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px; margin-bottom: 14px;
}
.section h2 {
  font-size: 13px; font-weight: 600; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px;
  display: flex; align-items: center; justify-content: space-between;
}
.section h2 .h2-actions { display: flex; gap: 8px; }

.kv-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.kv { display: flex; flex-direction: column; gap: 2px; }
.kv .k {
  font-size: 11px; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.3px;
}
.kv .v { font-size: 14px; }
.kv .v.big { font-size: 16px; font-weight: 600; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; padding: 8px 10px; font-size: 11px;
  color: var(--text-dim); text-transform: uppercase;
  letter-spacing: 0.5px; border-bottom: 1px solid var(--border);
  font-weight: 500;
}
td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
td a { color: var(--accent); text-decoration: none; }
td a:hover { text-decoration: underline; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface-hover); }
.amount { text-align: right; font-variant-numeric: tabular-nums; }
.right { text-align: right; }

input[type="checkbox"] {
  accent-color: var(--accent); width: 16px; height: 16px;
  cursor: pointer;
}

/* Alert strip */
.alert {
  padding: 10px 14px; border-radius: 8px;
  border-left: 3px solid var(--amber); background: #fef3c7;
  color: #92400e; font-size: 13px; margin-bottom: 12px;
  display: flex; align-items: center; gap: 10px; justify-content: space-between;
}
.alert.bad { border-color: var(--red); background: #fee2e2; color: #991b1b; }
.alert.good { border-color: var(--green); background: #dcfce7; color: #166534; }
.alert.info { border-color: var(--blue); background: #dbeafe; color: #1e40af; }

/* Toast (mock action feedback) */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--surface); border: 1px solid var(--accent);
  color: var(--text); padding: 12px 18px; border-radius: 8px;
  font-size: 13px; z-index: 10000; box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  display: none; max-width: 460px;
}
.toast.show { display: block; animation: slideIn 0.2s ease; }
@keyframes slideIn {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* Modal */
.modal-bg {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  display: none; align-items: center; justify-content: center;
  z-index: 10000; padding: 16px;
}
.modal-bg.show { display: flex; }
.modal {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px; max-width: 520px; width: 100%;
  max-height: 90vh; overflow-y: auto;
}
.modal h3 { margin-bottom: 14px; }
.modal-actions {
  display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px;
}
.form-row { margin-bottom: 12px; }
.form-row label {
  display: block; font-size: 11px; color: var(--text-dim);
  text-transform: uppercase; margin-bottom: 4px; letter-spacing: 0.3px;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 8px 10px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 13px; font-family: inherit;
}

/* Tabs (reports page) */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 16px; flex-wrap: wrap; }
.tab {
  padding: 10px 16px; cursor: pointer; color: var(--text-dim);
  font-size: 13px; border-bottom: 2px solid transparent;
  background: none; border-top: none; border-left: none; border-right: none;
  font-family: inherit;
}
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Dunning stages */
.dunning-row {
  display: grid; grid-template-columns: auto 1fr auto;
  gap: 12px; padding: 10px; border-bottom: 1px solid var(--border);
  align-items: center;
}
.dunning-row:last-child { border-bottom: none; }
.dunning-stage {
  width: 80px; text-align: center; padding: 4px 8px;
  border-radius: 4px; font-size: 11px; font-weight: 600;
}
.stage-day3 { background: #dbeafe; color: #1e40af; }
.stage-day7 { background: #fef3c7; color: #92400e; }
.stage-day15 { background: #fee2e2; color: #991b1b; }
.stage-day30 { background: #fce7f3; color: #9f1239; }

/* Mobile */
@media (max-width: 640px) {
  .container { padding: 12px; }
  .header h1 { font-size: 16px; }
  .lease-card { padding: 12px; }
  .lease-card .row2 { gap: 8px; }
  .kpi-card .value { font-size: 18px; }
  .hide-mobile { display: none; }
  table { font-size: 12px; }
  th, td { padding: 6px; }
}

/* Language toggle */
.lang-toggle {
  display: inline-flex; border: 1px solid var(--border); border-radius: 6px;
  overflow: hidden; font-size: 12px;
}
.lang-toggle button {
  padding: 5px 10px; background: var(--bg); color: var(--text-dim);
  border: none; cursor: pointer; font-family: inherit;
}
.lang-toggle button.active { background: var(--accent); color: #fff; }

/* "Paper" preview — for document mockups (renewal letter, draft TA, DN,
   accountant note). Mimics a printed page on the dashboard's white bg. */
.paper {
  background: #ffffff;
  color: #1a1d28;
  padding: 40px 48px;
  border-radius: 6px;
  border: 1px solid #cbd5e1;
  font-family: Georgia, "Times New Roman", "Songti TC", serif;
  max-width: 760px;
  margin: 16px auto;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  line-height: 1.6;
  font-size: 13px;
}
.paper h1 { font-size: 18px; margin-bottom: 8px; font-weight: 600; }
.paper h2 { font-size: 14px; margin: 18px 0 8px; font-weight: 600; }
.paper h3 { font-size: 13px; margin: 14px 0 4px; font-weight: 600; }
.paper p { margin-bottom: 10px; }
.paper .letterhead {
  text-align: right; font-size: 11px; color: #4b5563;
  margin-bottom: 24px;
}
.paper .signature-block {
  margin-top: 36px; padding-top: 18px; border-top: 1px dashed #cbd5e1;
  font-size: 12px;
}
.paper table.terms {
  width: 100%; border-collapse: collapse; margin: 10px 0;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}
.paper table.terms th {
  background: #f3f4f6; text-align: left; padding: 8px 12px;
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.3px;
  color: #4b5563; font-weight: 600; border-bottom: 1px solid #cbd5e1;
}
.paper table.terms td {
  padding: 8px 12px; border-bottom: 1px solid #e5e7eb;
  font-size: 12px; vertical-align: top;
}
.paper .clause { margin-bottom: 14px; }
.paper .clause .clause-num {
  font-weight: 700; display: inline-block; min-width: 32px;
}
.paper .zh-block {
  margin-top: 16px; padding-top: 16px; border-top: 1px dashed #cbd5e1;
  font-family: "Songti TC", "Heiti TC", serif; line-height: 1.7;
}
.paper .memo-header {
  background: #f3f4f6; padding: 12px 16px; border-radius: 4px;
  margin-bottom: 16px; font-family: -apple-system, sans-serif;
  font-size: 12px; line-height: 1.8;
}
.paper .memo-header b { color: #1e293b; }
.paper .invoice-header {
  display: flex; justify-content: space-between; margin-bottom: 24px;
  font-family: -apple-system, sans-serif;
}
.paper .invoice-meta {
  text-align: right; font-size: 12px; line-height: 1.7;
}

/* Acceptance timeline */
.timeline { position: relative; padding-left: 28px; margin: 14px 0; }
.timeline::before {
  content: ""; position: absolute; left: 9px; top: 6px; bottom: 6px;
  width: 2px; background: var(--border);
}
.timeline-event {
  position: relative; margin-bottom: 16px; padding: 10px 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px;
}
.timeline-event::before {
  content: ""; position: absolute; left: -23px; top: 14px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--bg);
}
.timeline-event.done::before { background: var(--green); }
.timeline-event.pending::before { background: var(--border); }
.timeline-event .te-when {
  font-size: 11px; color: var(--text-dim); margin-bottom: 2px;
  display: flex; gap: 8px; align-items: center;
}
.timeline-event .te-title {
  font-size: 13px; font-weight: 600; margin-bottom: 4px;
}
.timeline-event .te-desc { font-size: 12px; color: var(--text-dim); }

/* Search + Sort toolbar (overview / properties pages) */
.search-sort-bar {
  display: flex; gap: 10px; margin-bottom: 14px;
  align-items: center; flex-wrap: wrap;
}
.search-sort-bar input[type="search"] {
  flex: 1; min-width: 220px;
  padding: 8px 12px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); font-size: 13px; font-family: inherit;
}
.search-sort-bar input[type="search"]:focus {
  outline: 2px solid var(--accent); outline-offset: -2px;
}
.search-sort-bar .sort-label {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.3px;
  font-weight: 600;
}
.search-sort-bar select {
  padding: 7px 10px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text); font-size: 13px; cursor: pointer;
  font-family: inherit;
  text-transform: none; letter-spacing: 0; font-weight: 400;
}
.search-sort-bar .result-count {
  font-size: 12px; color: var(--text-dim);
  padding: 4px 10px; border-radius: 6px;
  background: var(--bg); border: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}

/* Property photo — thumbnail (list) + hero (detail) */
.lease-card.has-photo { display: flex; gap: 12px; align-items: center; }
.lease-card.has-photo .lease-card-body { flex: 1; min-width: 0; }

.property-thumb-wrap {
  position: relative; width: 80px; height: 60px;
  background: linear-gradient(135deg, var(--surface), var(--bg));
  border: 1px solid var(--border); border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; overflow: hidden;
  color: var(--text-dim); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.3px;
}
.property-thumb {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover; display: block;
}
@media (min-width: 640px) {
  .property-thumb-wrap { width: 120px; height: 80px; font-size: 11px; }
}

.property-hero-wrap {
  position: relative; width: 100%; height: 180px;
  background: linear-gradient(135deg, var(--surface), var(--bg));
  border: 1px solid var(--border); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; margin-bottom: 14px;
  color: var(--text-dim); font-size: 14px;
}
.property-hero {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
}
.property-hero-tag {
  position: absolute; bottom: 8px; left: 8px;
  background: rgba(0,0,0,0.6); color: #fff;
  padding: 3px 8px; border-radius: 4px;
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.3px;
  font-weight: 600;
}
@media (min-width: 640px) {
  .property-hero-wrap { height: 280px; }
}

/* Accordion (HTML5 details) */
details.section {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 0; margin-bottom: 14px;
}
details.section > summary {
  font-size: 13px; font-weight: 600; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.5px;
  padding: 14px 16px; cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between;
}
details.section > summary::-webkit-details-marker { display: none; }
details.section > summary::marker { display: none; }
details.section > summary::after {
  content: "▸"; color: var(--text-dim); font-size: 14px;
  transition: transform 0.15s; margin-left: 8px;
}
details.section[open] > summary::after { transform: rotate(90deg); }
details.section[open] > summary {
  border-bottom: 1px solid var(--border);
}
details.section > *:not(summary) {
  padding: 14px 16px;
}

/* Form 2-column grid */
.form-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}
.form-row textarea {
  width: 100%; padding: 8px 10px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font-size: 13px; font-family: inherit;
  resize: vertical;
}
.form-row input:disabled, .form-row select:disabled {
  opacity: 0.6; cursor: not-allowed;
}
/* Radio / checkbox should NOT inherit the 100% width / padding rules above */
.form-row input[type="radio"],
.form-row input[type="checkbox"] {
  width: auto; padding: 0; margin: 0; flex-shrink: 0;
}

/* Option label for radio/checkbox lists — overrides .form-row label's
   uppercase / block / dim styling so option text reads naturally. */
.form-row label.opt-label,
label.opt-label {
  display: flex !important;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
  font-weight: normal;
  font-size: 13px;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 0;
}
.form-row label.opt-label input[type="radio"],
.form-row label.opt-label input[type="checkbox"],
label.opt-label input[type="radio"],
label.opt-label input[type="checkbox"] {
  margin-top: 3px;
}

/* Inline row (for repeating sub-items like other charges, deposit components) */
.inline-row {
  display: flex; gap: 8px; align-items: center; margin-bottom: 8px;
  flex-wrap: wrap;
}
.inline-row input, .inline-row select {
  padding: 6px 10px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 13px;
  font-family: inherit; min-width: 80px;
}
.inline-row input[type="text"] { flex: 1; min-width: 120px; }
.inline-row input[type="date"] { min-width: 130px; }
.inline-row input[type="number"] { width: 100px; }

.btn-add {
  margin-top: 4px; font-size: 12px; padding: 5px 10px;
}

/* Dropzone (OCR upload) */
.dropzone {
  border: 2px dashed var(--border); border-radius: 10px;
  padding: 30px; text-align: center; cursor: pointer;
  transition: all 0.15s; background: var(--bg);
}
.dropzone:hover { border-color: var(--accent); background: var(--surface-hover); }

/* Side-by-side compare (renewal) */
.compare-row {
  display: grid; grid-template-columns: 90px 1fr 24px 1fr;
  gap: 10px; align-items: center; padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.compare-row:last-child { border-bottom: none; }
.compare-label {
  font-size: 11px; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.3px; font-weight: 600;
}
.compare-cell {
  padding: 8px 10px; border-radius: 6px; font-size: 13px;
  background: var(--bg); border: 1px solid var(--border);
}
.compare-cell.current { color: var(--text-dim); }
.compare-cell.offer {
  border-color: var(--accent); background: var(--surface);
  color: var(--text);
}
.compare-cell.offer input[type="number"],
.compare-cell.offer input[type="date"] {
  padding: 4px 8px; border-radius: 4px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font-size: 13px;
  font-family: inherit;
}
.compare-cell small { font-size: 11px; color: var(--text-dim); display: block; margin-top: 2px; }
.compare-arrow {
  text-align: center; color: var(--text-dim); font-size: 16px;
}

@media (max-width: 720px) {
  .compare-row {
    grid-template-columns: 1fr; gap: 4px;
    padding: 12px 0;
  }
  .compare-arrow { display: none; }
  .compare-cell { font-size: 12px; }
}