:root {
  --bg: #E7EDF0;
  --surface: #FFFFFF;
  --ink: #16232E;
  --ink-muted: #4B5C68;
  --rule: #B9C6CC;
  --rule-light: #D6DEE2;
  --copper: #C1642F;
  --copper-dark: #9C4E22;
  --brass: #A9821D;
  --brass-bg: #F3E9C9;
  --danger: #A5402C;

  --font-head: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
}

h1, h2, h3 { font-family: var(--font-head); margin: 0; font-weight: 600; }

.app {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

/* ---------- RAIL ---------- */
.rail {
  background: var(--ink);
  color: #DCE3E7;
  padding: 28px 22px 40px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.rail-brand { display: flex; gap: 12px; align-items: flex-start; }
.rail-brand-mark {
  font-size: 26px;
  color: var(--copper);
  line-height: 1;
  margin-top: 4px;
}
.rail-brand h1 {
  font-size: 24px;
  line-height: 1.05;
  color: #fff;
}
.rail-brand-sub {
  margin: 4px 0 0;
  font-size: 12.5px;
  color: #8FA0A9;
}

.rail-section { border-top: 1px solid #2B3A46; padding-top: 20px; }
.rail-section h2 {
  font-size: 13px;
  letter-spacing: 0.02em;
  color: #8FA0A9;
  margin-bottom: 12px;
  font-family: var(--font-body);
  font-weight: 600;
}

.rail-hint { font-size: 12.5px; color: #8FA0A9; margin: -4px 0 12px; }

.stat-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 0;
}
.stat-num { font-family: var(--font-mono); font-size: 20px; color: var(--copper); min-width: 34px; }
.stat-label { font-size: 13px; color: #B7C2C8; }

/* ---------- DRIVE SYNC BAR ---------- */
.drive-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  margin-top: -4px;
  background: #1E2A33;
  border: 1px solid #324450;
  border-radius: 3px;
  flex-wrap: wrap;
}
.drive-bar-status {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  color: #B7C2C8;
  flex: 1;
  min-width: 0;
}
.drive-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #5A6C77;
  flex-shrink: 0;
  display: inline-block;
}
.drive-dot.connected { background: #6FCF97; }
.drive-dot.connecting { background: var(--brass); }
.drive-dot.error { background: var(--danger); }
.drive-bar-btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 2px;
  border: 1px solid #E9A67B;
  background: transparent;
  color: #E9A67B;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}
.drive-bar-btn:hover { background: rgba(233,166,123,0.1); }

/* ---------- FORM CONTROLS ---------- */
.field-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  margin: 14px 0 5px;
  color: var(--ink-muted);
}
.rail .field-label { color: #8FA0A9; }

.input {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--rule);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  border-radius: 2px;
}
.input:focus { outline: 2px solid var(--copper); outline-offset: 1px; }
.rail .input { border-color: #3A4954; background: #1E2A33; color: #E7EDF0; }
.rail .input:focus { outline-color: var(--copper); }

textarea.input { resize: vertical; font-family: var(--font-body); }

/* ---------- BUTTONS ---------- */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13.5px;
  padding: 10px 16px;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease;
}
.btn-block { width: 100%; margin-top: 8px; }
.btn-primary { background: var(--copper); color: #fff; }
.btn-primary:hover { background: var(--copper-dark); }
.btn-outline { background: transparent; border-color: var(--copper); color: var(--copper); }
.btn-outline:hover { background: rgba(193,100,47,0.08); }
.rail .btn-outline { color: #E9A67B; border-color: #E9A67B; }
.rail .btn-outline:hover { background: rgba(233,166,123,0.1); }
.btn-ghost { background: transparent; border-color: var(--rule); color: var(--ink-muted); }
.btn-ghost:hover { border-color: var(--ink-muted); color: var(--ink); }
.rail .btn-ghost { border-color: #3A4954; color: #B7C2C8; }
.rail .btn-ghost:hover { border-color: #8FA0A9; color: #fff; }
.file-btn { display: block; text-align: center; }
.icon-btn {
  background: none; border: none; cursor: pointer;
  font-size: 16px; color: var(--ink-muted); padding: 4px 8px;
}
.icon-btn:hover { color: var(--ink); }

/* ---------- LEDGER (main column) ---------- */
.ledger { padding: 36px 44px 60px; max-width: 900px; }
.ledger-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 12px;
  margin-bottom: 6px;
}
.ledger-header h2 { font-size: 30px; }
.ledger-count { font-family: var(--font-mono); font-size: 13px; color: var(--ink-muted); }

.empty-state {
  margin-top: 60px;
  text-align: left;
  color: var(--ink-muted);
}
.empty-state p { margin: 0 0 6px; font-size: 16px; color: var(--ink); }
.empty-state-sub { font-size: 14px !important; color: var(--ink-muted) !important; max-width: 46ch; margin-bottom: 20px !important; }

.entry-list { margin-top: 8px; }

.entry {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule-light);
}
.entry-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-muted);
  padding-top: 3px;
}
.entry-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.entry-date { font-family: var(--font-mono); font-size: 13px; color: var(--ink-muted); }
.entry-category { font-size: 17px; font-weight: 600; font-family: var(--font-head); }
.tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 600;
  padding: 2px 7px;
  border: 1px solid currentColor;
  border-radius: 2px;
}
.tag-observed { color: var(--ink-muted); }
.tag-assisted { color: var(--brass); }
.tag-independent { color: var(--copper); }
.entry-hours { font-family: var(--font-mono); font-size: 13px; color: var(--ink-muted); margin-left: auto; }

.entry-notes { margin: 8px 0 0; color: var(--ink); white-space: pre-wrap; }
.entry-notes-label { font-weight: 600; font-size: 12px; color: var(--ink-muted); margin: 10px 0 2px; text-transform: none; }
.entry-witness { margin: 6px 0 0; font-size: 12.5px; color: var(--ink-muted); }

.entry-meta-list { margin: 10px 0 0; font-size: 13px; }
.entry-meta-list .meta-label { font-weight: 600; color: var(--ink-muted); margin-right: 6px; }
.meta-tags { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.meta-tag {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--ink-muted);
}

.entry-photos { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.entry-photos img {
  width: 84px; height: 84px; object-fit: cover;
  border: 1px solid var(--rule); border-radius: 2px; cursor: pointer;
}

.entry-actions { margin-top: 10px; display: flex; gap: 14px; }
.entry-actions button {
  background: none; border: none; padding: 0;
  font-size: 12.5px; font-weight: 600; color: var(--ink-muted);
  cursor: pointer; text-decoration: underline;
}
.entry-actions button:hover { color: var(--copper); }

/* ---------- CHIPS ---------- */
.chip-grid {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 6px;
}
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.chip {
  font-family: var(--font-body);
  font-size: 13px;
  padding: 7px 12px;
  border: 1px solid var(--rule);
  background: var(--surface);
  border-radius: 2px;
  cursor: pointer;
  color: var(--ink);
}
.chip:hover { border-color: var(--copper); }
.chip.selected { background: var(--ink); border-color: var(--ink); color: #fff; }
#involvementChips .chip.selected { background: var(--copper); border-color: var(--copper); }

/* Multi-select chips (tools / materials) */
.chip-multi {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.chip-multi.selected { background: var(--copper); border-color: var(--copper); color: #fff; }
.chip-star {
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  color: var(--rule);
}
.chip-multi.selected .chip-star { color: rgba(255,255,255,0.65); }
.chip-star.favourited { color: var(--brass); }
.chip-multi.selected .chip-star.favourited { color: #F3D77A; }

.add-inline {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.add-inline .input { flex: 1; }
.add-inline .btn { flex-shrink: 0; }

/* ---------- MODAL ---------- */
.modal-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(22,35,46,0.55);
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  overflow-y: auto;
  z-index: 50;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--surface);
  width: 100%; max-width: 560px;
  border-radius: 3px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}
.modal-small { max-width: 460px; }
.modal-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px; border-bottom: 1px solid var(--rule-light);
}
.modal-body { padding: 6px 22px 18px; }
.modal-foot {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 22px; border-top: 1px solid var(--rule-light);
}
.modal-foot-right { display: flex; gap: 10px; }

#entryPhotos { margin-top: 6px; font-size: 13px; }
.photo-preview { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.photo-preview .thumb-wrap { position: relative; }
.photo-preview img {
  width: 72px; height: 72px; object-fit: cover;
  border: 1px solid var(--rule); border-radius: 2px;
}
.photo-preview .remove-photo {
  position: absolute; top: -6px; right: -6px;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--danger); color: #fff; border: none;
  font-size: 11px; cursor: pointer; line-height: 1;
}

/* ---------- LOGBOOK PRINT VIEW ---------- */
.logbook-print { display: none; }

@media print {
  .app, .modal-backdrop { display: none !important; }
  .logbook-print { display: block; }
  body { background: #fff; font-size: 12.5px; }
}

.logbook-cover { padding: 60px 0 30px; border-bottom: 3px solid var(--ink); margin-bottom: 24px; }
.logbook-cover h1 { font-size: 38px; }
.logbook-cover p { margin: 4px 0; color: var(--ink-muted); }
.logbook-summary { display: flex; gap: 40px; margin: 20px 0 36px; }
.logbook-summary div { font-family: var(--font-mono); }
.logbook-summary .n { font-size: 22px; color: var(--copper); display: block; }
.logbook-entry { padding: 16px 0; border-bottom: 1px solid var(--rule-light); page-break-inside: avoid; }
.logbook-entry h3 { font-size: 16px; margin-bottom: 2px; }
.logbook-entry .meta { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-muted); }
.logbook-entry .notes { margin: 8px 0 0; white-space: pre-wrap; }
.logbook-entry .photos { display: flex; gap: 6px; margin-top: 8px; }
.logbook-entry .photos img { width: 100px; height: 100px; object-fit: cover; border: 1px solid var(--rule); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .rail { flex-direction: column; }
  .ledger { padding: 26px 20px 50px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}