:root {
  --bg: #f8f9fb;
  --surface: #ffffff;
  --text: #111827;
  --text-secondary: #4b5563;
  --text-muted: #4b5563;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --primary: #1d4ed8;
  --primary-hover: #1e40af;
  --primary-soft: #eff6ff;
  --success: #047857;
  --success-soft: #ecfdf5;
  --error: #b91c1c;
  --error-soft: #fef2f2;
  --warning: #92400e;
  --warning-soft: #fffbeb;
  --focus: #2563eb;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.04);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow);
}

header h1 { font-size: 18px; font-weight: 700; letter-spacing: -0.2px; }

main { max-width: 1000px; margin: 0 auto; padding: 32px 20px 100px; }

.link, .back { color: var(--primary); text-decoration: underline; cursor: pointer; }
.back {
  background: transparent;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--primary);
  text-decoration: underline;
  cursor: pointer;
}

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}

button:focus-visible, .btn:focus-visible,
a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

button:disabled, .btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }

.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--text-secondary); }
.btn-ghost:hover:not(:disabled) { background: var(--bg); }

.btn-danger { background: var(--surface); border-color: #fecaca; color: var(--error); }
.btn-danger:hover:not(:disabled) { background: var(--error-soft); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.card h2 { font-size: 18px; font-weight: 700; margin-bottom: 16px; }

.card h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--text-muted);
  margin: 24px 0 12px;
  font-weight: 700;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 15px;
  background: var(--surface);
  color: var(--text);
  min-height: 44px;
}

input:hover, select:hover, textarea:hover { border-color: var(--border-strong); }
input:focus, select:focus, textarea:focus { border-color: var(--primary); }

input[type="checkbox"], input[type="radio"] { width: auto; min-height: auto; margin-right: 8px; }

.field { margin-bottom: 16px; }
.field-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.field-error { font-size: 13px; color: var(--error); margin-top: 6px; }
.input-error { border-color: var(--error); }
.input-error:hover { border-color: var(--error); }
.input-error:focus { border-color: var(--error); outline-color: var(--error); }

.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.g5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 720px) {
  .g2, .g3, .g4, .g5 { grid-template-columns: 1fr; }
  main { padding: 20px 16px 80px; }
}

.row { display: flex; gap: 12px; align-items: end; margin-bottom: 12px; }
.row > div { flex: 1; }
.row > button { flex: 0 0 auto; margin-bottom: 1px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
}
.badge-ok { background: var(--success-soft); color: var(--success); }
.badge-warn { background: var(--warning-soft); color: var(--warning); }

.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state h3 { text-transform: none; letter-spacing: 0; font-size: 16px; color: var(--text); margin-bottom: 8px; }

.property-card-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.property-card-main {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  margin: -24px;
  background: transparent;
  border: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  border-radius: var(--radius);
}
.property-card-main:hover { background: var(--bg); }
.property-card-main:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}
.name { font-size: 17px; font-weight: 700; }
.meta { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.property-card-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.property-header { display: grid; gap: 4px; }
.property-header .title { font-size: 20px; font-weight: 700; }
.property-header .address { color: var(--text-secondary); }
.property-header .contact { font-size: 14px; color: var(--text-muted); }

.summary-panel {
  background: var(--primary-soft);
  border: 1px solid #dbeafe;
  border-radius: var(--radius);
  padding: 18px;
  font-size: 14px;
  line-height: 1.9;
}
.summary-panel .line { display: flex; gap: 12px; }
.summary-panel .label { min-width: 130px; font-weight: 600; color: #1e3a8a; flex-shrink: 0; }
.summary-panel .note { margin-top: 10px; padding-top: 10px; border-top: 1px solid #dbeafe; color: #1e40af; font-weight: 500; }
.summary-list { margin: 0; }
.summary-list dt, .summary-list dd { margin: 0; }
.summary-list dd { margin-inline-start: 0; }

.msg { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 14px; margin: 16px 0; border: 1px solid transparent; }
.msg-error { background: var(--error-soft); color: var(--error); border-color: #fecaca; }
.msg-success { background: var(--success-soft); color: var(--success); border-color: #a7f3d0; }
.msg-warn { background: var(--warning-soft); color: var(--warning); border-color: #fde68a; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { font-weight: 700; color: var(--text-secondary); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }

.scan-table td label {
  display: inline-block;
  min-height: 44px;
  min-width: 44px;
  padding: 10px 0;
  cursor: pointer;
}
.scan-table td input[type="checkbox"] {
  width: 20px;
  height: 20px;
  min-height: 20px;
  margin-right: 8px;
  vertical-align: middle;
}

.login-box { max-width: 360px; margin: 12vh auto; }

.spin {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: sp 1s linear infinite;
}
@keyframes sp { to { transform: rotate(360deg); } }

.hidden { display: none !important; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.section-actions { display: flex; gap: 12px; align-items: center; margin-top: 12px; flex-wrap: wrap; }