/* ============ CSS VARIABLES ============ */
:root {
  --bg: #FBF8F3;
  --surface: #FFFFFF;
  --surface-2: #F4EFE6;
  --ink: #1A1A1A;
  --ink-2: #4A4A4A;
  --ink-3: #7A7468;
  --line: #E8E2D4;
  --line-strong: #C9C2B5;
  --accent: #B91C1C;
  --accent-dark: #7F1313;
  --success: #2E6B3A;
  --warn: #B8860B;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 460px;
  margin: 0 auto;
  background: var(--surface);
  min-height: 100vh;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.hidden { display: none !important; }

/* ============ TOP BAR ============ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  color: #FFF;
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 10px; height: 10px;
  background: var(--accent);
  transform: rotate(45deg);
  display: inline-block;
}
.brand-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.14em;
}
.user-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-family: 'IBM Plex Mono', monospace;
}
.user-chip-label {
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #BBB;
}
.user-chip-name {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ============ VIEW: PIN ============ */
#viewPin {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  min-height: calc(100vh - 50px);
}
.pin-wrap {
  text-align: center;
  width: 100%;
  max-width: 320px;
}
.pin-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 36px;
  letter-spacing: 0.06em;
  margin: 0;
  text-transform: uppercase;
}
.pin-rule {
  width: 48px; height: 3px;
  background: var(--accent);
  margin: 14px auto 18px;
}
.pin-sub {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 24px;
}
.pin-input {
  width: 100%;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 32px;
  text-align: center;
  letter-spacing: 0.4em;
  padding: 14px 0;
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  margin-bottom: 16px;
  outline: none;
}
.pin-input:focus { border-color: var(--ink); background: #FFF; }
.pin-error {
  color: var(--accent);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  min-height: 16px;
  margin: 12px 0 0;
}

/* ============ BUTTONS ============ */
.btn-primary {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--ink);
  color: #FFF;
  border: none;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--accent); }
.btn-primary:disabled { background: var(--ink-3); cursor: not-allowed; }

/* ============ VIEW: LIST ============ */
#viewList { padding: 0 16px 80px; }
.search {
  width: 100%;
  padding: 12px 14px;
  margin: 16px 0;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 14px;
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  outline: none;
}
.search:focus { border-color: var(--ink); background: #FFF; }
.list-empty {
  text-align: center;
  padding: 40px 16px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px dashed var(--line-strong);
}
.list-card {
  border: 1px solid var(--line);
  padding: 12px 14px;
  margin-bottom: 10px;
  background: var(--surface);
}
.list-card-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.04em;
}
.list-card-meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 4px;
}
.fab-wrap {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 460px;
  margin: 0 auto;
  padding: 12px 16px;
  background: linear-gradient(to top, var(--surface) 70%, rgba(255,255,255,0));
}

/* ============ VIEW: FORM ============ */
#viewForm { padding: 0 0 80px; }
.form-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  position: sticky;
  top: 50px;
  z-index: 5;
}
.link-back {
  background: none;
  border: none;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--ink-2);
  cursor: pointer;
  padding: 0;
}
.form-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ============ FORM SECTIONS ============ */
.section { border-bottom: 1px solid var(--line); }
.section-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px 8px;
  background: var(--surface-2);
}
.section-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.12em;
}
.section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.section-body { padding: 14px 16px; }

.field { margin-bottom: 14px; }
.grid-2, .grid-3 {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
}
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }

label {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 5px;
  font-weight: 500;
}

input[type="text"], input[type="date"], input[type="tel"], textarea {
  width: 100%;
  padding: 9px 10px;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 14px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  outline: none;
}
input[readonly] {
  background: var(--surface-2);
  color: var(--ink-2);
  cursor: not-allowed;
}
input:focus, textarea:focus { border-color: var(--ink); }
textarea { resize: vertical; min-height: 60px; font-family: inherit; }

.toggle-group {
  display: flex;
  border: 1px solid var(--line-strong);
}
.toggle-group input[type="radio"] { display: none; }
.toggle-group label {
  flex: 1;
  padding: 10px;
  text-align: center;
  cursor: pointer;
  margin: 0;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  border-right: 1px solid var(--line);
}
.toggle-group label:last-child { border-right: none; }
.toggle-group input[type="radio"]:checked + label {
  background: var(--ink);
  color: #FFF;
}

.adj-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.adj-grid input[type="radio"] { display: none; }
.adj-grid label {
  padding: 9px 10px;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  margin: 0;
  text-align: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--ink-2);
  letter-spacing: 0.03em;
  text-transform: none;
}
.adj-grid input[type="radio"]:checked + label {
  background: var(--ink);
  color: #FFF;
  border-color: var(--ink);
}

.chips-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 8px;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip {
  padding: 6px 10px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  cursor: pointer;
  user-select: none;
}
.chip.selected {
  background: var(--ink);
  color: #FFF;
  border-color: var(--ink);
}

/* ============ PHOTO GRID ============ */
.photo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.photo-slot {
  aspect-ratio: 1;
  border: 1px dashed var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: var(--surface-2);
  position: relative;
  overflow: hidden;
}
.photo-slot:hover { border-color: var(--ink); }
.photo-slot.has-photo { border-style: solid; border-color: var(--ink); }
.photo-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.photo-placeholder {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  text-transform: uppercase;
  text-align: center;
}
.photo-label {
  position: absolute;
  bottom: 4px;
  left: 4px;
  right: 4px;
  background: rgba(26,26,26,0.85);
  color: #FFF;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  padding: 2px 4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
}
.hint {
  margin-top: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.05em;
}

/* ============ SIGNATURE PAD ============ */
.sig-wrap {
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--surface);
}
.sig-pad {
  display: block;
  width: 100%;
  height: 140px;
  cursor: crosshair;
  touch-action: none;
}
.sig-clear {
  position: absolute;
  top: 6px;
  right: 6px;
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  padding: 4px 8px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
}

/* ============ FORM ACTIONS ============ */
.form-actions {
  padding: 20px 16px;
}

/* ============ TOAST ============ */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #FFF;
  padding: 12px 20px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  z-index: 100;
  max-width: 90%;
  text-align: center;
}
.toast.error { background: var(--accent); }
.toast.success { background: var(--success); }
/* ============ STATUS BAR ============ */
.status-bar {
  position: sticky;
  top: 50px;
  z-index: 9;
  padding: 6px 16px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  color: #FFF;
  transition: background 0.2s;
}
.status-bar.online    { background: var(--success); }
.status-bar.offline   { background: var(--accent); }
.status-bar.syncing   { background: var(--warn); }
.status-bar.pending   { background: var(--ink-2); }