/* ============================================================
   Site Survey Portal — "Blueprint" design system
   Palette: blueprint navy + drafting-paper cream + site-safety amber
   Type: technical sans for UI, monospace for measurements/data
   Signature: dimension-line ticks used as section dividers
   ============================================================ */

:root {
  --navy-950: #0d1b2a;
  --navy-900: #14263b;
  --navy-800: #1b3a5c;
  --navy-700: #2a5080;
  --paper: #f6f4ee;
  --paper-line: #e3ded0;
  --ink: #14213d;
  --amber: #f2a71b;
  --amber-dark: #c9860a;
  --good: #2f9e5b;
  --warn: #d18a1a;
  --bad: #c94a3f;
  --font-ui: 'Segoe UI', 'Inter', Roboto, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', Courier, monospace;
  --radius: 3px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.5;
}

/* Faint blueprint grid on the page background */
body {
  background-image:
    linear-gradient(var(--paper-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: -1px -1px;
}

a { color: var(--navy-700); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { font-family: var(--font-ui); color: var(--navy-950); margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: 1.7rem; font-weight: 800; }
h2 { font-size: 1.25rem; font-weight: 700; }
h3 { font-size: 1.05rem; font-weight: 700; }

/* Dimension-line divider — the signature element:
   a tick-to-tick measuring line, like on an architectural drawing */
.dim-divider {
  display: flex; align-items: center; gap: 8px;
  margin: 18px 0 22px;
  color: var(--navy-700);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.dim-divider::before, .dim-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--navy-700) 0 1px, transparent 1px 6px);
  position: relative;
}
.dim-divider::before { margin-right: 2px; }
.dim-divider::after { margin-left: 2px; }

/* ---- Top bar ---- */
.topbar {
  background: var(--navy-950);
  border-bottom: 3px solid var(--amber);
}
.topbar-inner {
  max-width: 1180px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; flex-wrap: wrap; gap: 10px;
}
.brand { color: #fff; font-weight: 800; font-size: 1.1rem; }
.brand:hover { text-decoration: none; opacity: .9; }
.topnav { display: flex; gap: 4px; flex-wrap: wrap; }
.topnav a {
  color: #cfe0f2; padding: 8px 12px; border-radius: var(--radius);
  font-size: .92rem; font-weight: 600;
}
.topnav a:hover, .topnav a.active { background: var(--navy-800); color: #fff; text-decoration: none; }
.topbar-user { color: #cfe0f2; display: flex; align-items: center; gap: 12px; font-size: .9rem; }
.topbar-user small { opacity: .7; }
.btn-link { color: var(--amber); font-weight: 700; }

/* ---- Layout ---- */
.container { max-width: 1180px; margin: 0 auto; padding: 26px 20px 60px; }
.narrow { max-width: 460px; margin: 60px auto; }

.card {
  background: #fff;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(13,27,42,.06);
  padding: 22px 24px;
  margin-bottom: 20px;
}
.card-title-row { display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap; margin-bottom: 6px;}

/* ---- Forms ---- */
label { display: block; font-weight: 600; font-size: .85rem; margin: 14px 0 5px; color: var(--navy-950); }
label .req { color: var(--bad); }
input[type=text], input[type=email], input[type=tel], input[type=date], input[type=number],
input[type=password], select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid #c9c3b0; border-radius: var(--radius);
  font-family: var(--font-ui); font-size: .95rem; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--amber); outline-offset: 1px; border-color: var(--amber-dark);
}
textarea { resize: vertical; min-height: 70px; }
.hint { font-size: .78rem; color: #7a7562; margin-top: 3px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0 18px; }
.form-row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 14px; }
.form-row-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 14px; }
@media (max-width: 700px) { .form-row-3, .form-row-4 { grid-template-columns: 1fr 1fr; } }

/* Measurement inputs get monospace, like reading calipers */
.measure input { font-family: var(--font-mono); text-align: right; }

fieldset { border: 1px dashed #c9c3b0; border-radius: var(--radius); padding: 14px 16px 6px; margin: 18px 0; }
legend { padding: 0 8px; font-weight: 700; font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--navy-700); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--navy-950); color: #fff; border: none;
  padding: 10px 18px; border-radius: var(--radius); font-weight: 700; font-size: .9rem;
  cursor: pointer;
}
.btn:hover { background: var(--navy-800); text-decoration: none; color: #fff; }
.btn-amber { background: var(--amber); color: var(--navy-950); }
.btn-amber:hover { background: var(--amber-dark); color: #fff; }
.btn-outline { background: transparent; color: var(--navy-950); border: 1px solid var(--navy-950); }
.btn-outline:hover { background: var(--navy-950); color: #fff; }
.btn-danger { background: var(--bad); }
.btn-danger:hover { background: #a8362c; }
.btn-sm { padding: 6px 12px; font-size: .8rem; }
.btn-row { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }

/* ---- Room row builder ---- */
#roomsTable { width: 100%; border-collapse: collapse; margin-top: 8px; }
#roomsTable th { text-align: left; font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--navy-700); padding: 6px 6px; border-bottom: 2px solid var(--navy-950); }
#roomsTable td { padding: 5px 6px; vertical-align: top; }
#roomsTable input, #roomsTable select { padding: 6px 8px; font-size: .85rem; }
.room-row { border-bottom: 1px solid var(--paper-line); }
.remove-room { background: none; border: none; color: var(--bad); font-weight: 800; cursor: pointer; font-size: 1.1rem; }

/* ---- Tables (lists) ---- */
table.list { width: 100%; border-collapse: collapse; }
table.list th {
  text-align: left; font-size: .74rem; text-transform: uppercase; letter-spacing: .04em;
  color: var(--navy-700); padding: 10px 10px; border-bottom: 2px solid var(--navy-950);
}
table.list td { padding: 12px 10px; border-bottom: 1px solid var(--paper-line); font-size: .9rem; vertical-align: middle; }
table.list tr:hover td { background: #fbfaf6; }

/* ---- Badges ---- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; }
.badge-secondary { background: #e4e0d3; color: #55503f; }
.badge-warning { background: #fdecc8; color: var(--warn); }
.badge-success { background: #dcf3e4; color: var(--good); }
.badge-danger { background: #fbdedb; color: var(--bad); }

/* ---- Alerts ---- */
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 18px; font-size: .9rem; border-left: 4px solid; }
.alert-success { background: #dcf3e4; border-color: var(--good); color: #1d5c37; }
.alert-error { background: #fbdedb; border-color: var(--bad); color: #7d2d26; }

/* ---- Stat tiles on dashboard ---- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-tile { background: var(--navy-950); color: #fff; border-radius: var(--radius); padding: 16px 18px; }
.stat-tile .num { font-family: var(--font-mono); font-size: 1.7rem; font-weight: 700; }
.stat-tile .lbl { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; opacity: .8; }
.stat-tile.amber { background: var(--amber); color: var(--navy-950); }

/* ---- File chips ---- */
.file-chip { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--paper-line); border-radius: var(--radius); padding: 8px 12px; margin: 4px 6px 4px 0; background: #fbfaf6; font-size: .85rem; }
.file-chip .ext { font-family: var(--font-mono); background: var(--navy-950); color: #fff; padding: 1px 6px; border-radius: 3px; font-size: .68rem; }

/* ---- Detail view key/value ---- */
.kv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px 24px; }
.kv-grid dt { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--navy-700); margin-bottom: 2px; }
.kv-grid dd { margin: 0; font-family: var(--font-mono); font-size: .95rem; }

.site-footer { text-align: center; padding: 24px; color: #8b866f; font-size: .8rem; }

/* ---- Print styles for survey view -> "export to PDF" via browser print ---- */
@media print {
  .topbar, .btn-row, .no-print { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; border: 1px solid #999; }
}