:root {
  --brand: #01507b;
  --brand-dark: #013e60;
  --brand-soft: rgba(1, 80, 123, 0.15);
  --danger: #c0392b;
  --dark: #1b1b1b;
  --ink: #222;
  --muted: #6b6b6b;
  --line: #e3e3e3;
  --panel: #ffffff;
  --bg: #f4f4f6;
  --ok: #1a7f37;
  --warn: #b45309;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 14px;
}

/* ---------- Header ---------- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 22px;
  background: #fff;
  border-bottom: 3px solid var(--brand);
  position: sticky;
  top: 0;
  z-index: 50;
}
.brand { display: flex; align-items: center; gap: 16px; }
.amtrak-logo { height: 44px; width: auto; display: block; border-radius: 4px; }
.brand-sub { display: flex; flex-direction: column; line-height: 1.25; }
.brand-sub strong { font-size: 15px; letter-spacing: 0.3px; }
.brand-sub span { font-size: 11px; color: var(--muted); }

.quote-chip {
  display: flex; align-items: center; gap: 10px;
  background: #f0f7fb; border: 1px solid #bcd9ea;
  padding: 6px 12px; border-radius: 8px;
}
.quote-chip span { font-size: 10px; font-weight: 700; letter-spacing: 1px; color: var(--brand); }
.quote-chip strong { font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 14px; }
.quote-chip button {
  border: none; background: transparent; font-size: 16px; cursor: pointer; color: var(--brand);
}
.quote-chip button:hover { transform: rotate(180deg); transition: transform 0.3s; }

.header-right { display: flex; align-items: center; gap: 12px; }

.auth-chip {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--ink); white-space: nowrap;
}
.auth-chip .auth-user { font-weight: 600; }
.auth-link { color: var(--brand); text-decoration: none; font-weight: 600; }
.auth-link:hover { text-decoration: underline; }
.btn-link {
  border: none; background: none; padding: 0; font: inherit;
  color: var(--brand); font-weight: 600; cursor: pointer;
}
.btn-link:hover { text-decoration: underline; }

/* ---------- Tabs ---------- */
.tabs {
  display: flex; align-items: center; gap: 4px;
  padding: 0 18px; background: var(--dark);
  overflow-x: auto;
}
.tab {
  border: none; background: transparent; color: #cfcfcf;
  padding: 12px 16px; font-size: 13px; font-weight: 600; cursor: pointer;
  border-bottom: 3px solid transparent; white-space: nowrap;
}
.tab:hover { color: #fff; }
.tab.active { color: #fff; border-bottom-color: var(--brand); background: rgba(255,255,255,0.04); }
.tab-spacer { flex: 1; }
.tab.admin-toggle { color: #9a9a9a; }

main { max-width: 1180px; margin: 0 auto; padding: 20px 22px 60px; }

/* ---------- Panels ---------- */
.tab-panel { display: none; animation: fade 0.18s ease; }
.tab-panel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 18px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.card h2 { margin: 0 0 14px; font-size: 15px; letter-spacing: 0.2px; }
.card h3 { margin: 0 0 10px; font-size: 14px; }
.card-head-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.card-head-row h2 { margin: 0; }

.muted { color: var(--muted); font-weight: 400; }
.hint { color: var(--muted); font-size: 12px; margin: 8px 0 12px; }

/* ---------- Forms ---------- */
.grid { display: grid; gap: 12px; }
.grid-6 { grid-template-columns: repeat(6, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1000px) { .grid-6 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) {
  .grid-6 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
}

/* Header Information: keep the three key fields level on their own row */
.header-key { margin-top: 12px; }
.header-key label, .header-meta label { white-space: nowrap; }
.header-key label { min-height: 16px; }

label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; font-weight: 600; color: #444; }
label.inline { flex-direction: row; align-items: center; }
.req { color: var(--brand); }

input, select, textarea {
  font: inherit; color: var(--ink);
  padding: 8px 10px;
  border: 1px solid #cfcfcf;
  border-radius: 6px;
  background: #fff;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }
input[readonly] { background: #f5f5f7; color: #555; }
textarea { resize: vertical; }

/* ---------- Toolbar / controls ---------- */
.toolbar {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px dashed var(--line);
}
.switch-label { flex-direction: row; align-items: center; gap: 8px; font-weight: 600; cursor: pointer; }
.switch-label input { display: none; }
.switch {
  width: 34px; height: 20px; background: #ccc; border-radius: 12px; position: relative;
  transition: background 0.15s; flex: none;
}
.switch::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; border-radius: 50%; background: #fff;
  transition: transform 0.15s; box-shadow: 0 1px 2px rgba(0,0,0,0.25);
}
.switch-label input:checked + .switch { background: var(--brand); }
.switch-label input:checked + .switch::after { transform: translateX(14px); }

.markup-label { flex-direction: row; align-items: center; gap: 8px; }
.markup-input { display: flex; align-items: center; gap: 4px; }
.markup-input input { width: 76px; text-align: right; }

.btn {
  border: 1px solid #c9c9c9; background: #fff; color: var(--ink);
  padding: 8px 14px; border-radius: 6px; font-weight: 600; font-size: 13px; cursor: pointer;
}
.btn:hover { border-color: var(--brand); color: var(--brand); }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); color: #fff; }
.btn-danger { color: var(--danger); border-color: #e6b3ae; }
.btn-danger:hover { background: #fff5f5; border-color: var(--danger); color: var(--danger); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.badge {
  font-size: 10px; font-weight: 700; letter-spacing: 0.6px;
  padding: 3px 8px; border-radius: 10px; vertical-align: middle;
}
.badge-hidden { background: #eee; color: #888; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
.grid-table th, .grid-table td {
  border: 1px solid var(--line); padding: 6px 8px; font-size: 13px; vertical-align: middle;
}
.grid-table th {
  background: #fafafa; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px;
  color: #555; text-align: left; white-space: nowrap;
}
.grid-table td input, .grid-table td select { width: 100%; border: 1px solid transparent; background: transparent; padding: 4px 6px; }
.grid-table td input:hover, .grid-table td select:hover { border-color: #e0e0e0; }
.grid-table td input:focus, .grid-table td select:focus { border-color: var(--brand); background: #fff; }
.grid-table .auto-row td { background: #fbf7e9; }
.grid-table .auto-tag { font-size: 10px; color: var(--warn); font-weight: 700; margin-left: 4px; }

.col-qty { width: 56px; }
.col-cat { width: 150px; }
.col-prod { width: 210px; }
.col-price, .col-install, .col-mrc { width: 104px; }
.col-ext { width: 120px; }
.col-del { width: 40px; text-align: center; }

.del-btn {
  border: none; background: transparent; color: #b0b0b0; font-size: 16px; cursor: pointer;
}
.del-btn:hover { color: var(--danger); }

.grid-totals {
  display: flex; justify-content: flex-end; gap: 24px;
  padding: 12px 8px 0; font-size: 13px;
}
.grid-totals span b { font-size: 15px; }

/* ---------- Dashboards ---------- */
.dash-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 900px) { .dash-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .dash-cards { grid-template-columns: 1fr; } }
.dash-card {
  border: 1px solid var(--line); border-radius: 10px; padding: 16px;
  background: linear-gradient(180deg, #fff, #fafafa);
  display: flex; flex-direction: column; gap: 8px;
}
.dash-card strong { font-size: 24px; letter-spacing: -0.3px; }
.dash-card .dash-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: var(--muted); }
.dash-card.grand { border-color: var(--brand); background: var(--brand); }
.dash-card.grand .dash-label { color: rgba(255,255,255,0.85); }
.dash-card.grand strong { color: #fff; }
.summary-note { margin-top: 12px; font-size: 12px; color: var(--muted); }

.plain-table { width: 100%; border-collapse: collapse; }
.plain-table th, .plain-table td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; font-size: 13px; }
.plain-table th { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
.plain-table tr:last-child td { border-bottom: none; }

/* ---------- BOM ---------- */
.bom-table { border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.bom-table th { background: var(--dark); color: #fff; padding: 9px 12px; text-align: left; font-size: 11px; letter-spacing: 0.6px; text-transform: uppercase; }
.bom-table td { padding: 9px 12px; border-bottom: 1px solid var(--line); font-size: 13px; }
.bom-table tbody tr:nth-child(even) { background: #fafafa; }
.bom-total { text-align: right; font-size: 15px; font-weight: 700; padding: 12px 8px 0; }
.pricing-col { display: none; }
.show-pricing .pricing-col { display: table-cell; }

/* ---------- Quote preview ---------- */
.quote-doc {
  border: 1px solid #ddd; border-radius: 8px; overflow: hidden;
  font-size: 13px;
}
.q-header {
  background: var(--brand); color: #fff; padding: 18px 22px;
  display: flex; justify-content: space-between; align-items: center;
}
.q-header .q-brand { font-weight: 800; font-size: 22px; letter-spacing: 4px; }
.q-header .q-title { font-size: 12px; opacity: 0.9; }
.q-body { padding: 18px 22px; background: #fff; }
.q-info { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.q-info div { font-size: 12px; }
.q-info b { display: block; font-size: 13px; }
.q-info span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; }
.q-summary { background: #fafafa; border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px; margin-bottom: 16px; }
.q-summary h4 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); }
.q-summary table { font-size: 13px; }
.q-summary td:last-child { text-align: right; font-weight: 600; }
.q-summary tr.total td { border-top: 2px solid var(--dark); font-weight: 800; }
.q-bom th { background: var(--dark); color: #fff; font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; padding: 8px; text-align: left; }
.q-bom td { padding: 7px 8px; border-bottom: 1px solid var(--line); }
.q-bom tr:nth-child(even) { background: #fafafa; }
.q-assump { margin-top: 14px; font-size: 12px; color: #555; }
.q-assump h4 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); margin-bottom: 6px; }
.q-assump p { margin: 4px 0; }

/* ---------- Services ---------- */
.sv-results {
  margin-top: 16px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}
@media (max-width: 800px) { .sv-results { grid-template-columns: 1fr; } }
.sv-results .dash-card strong { font-size: 19px; }

/* ---------- Chips / lookup ---------- */
.chip-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: #f0f7fb; border: 1px solid #bcd9ea; color: var(--ink);
  padding: 5px 8px 5px 12px; border-radius: 16px; font-size: 13px; font-weight: 600;
}
.chip button { border: none; background: transparent; color: var(--danger); cursor: pointer; font-size: 14px; line-height: 1; }

.lookup { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 800px) { .lookup { grid-template-columns: 1fr; } }
.lookup .lk-card { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.lookup .lk-card h4 { margin: 0 0 6px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
.lookup .lk-card ul { margin: 0; padding-left: 16px; font-size: 12px; line-height: 1.7; }

.pricing-table td { white-space: nowrap; }
.pricing-table td:nth-child(4) { white-space: normal; min-width: 220px; }
.pricing-table input { width: 100%; }

/* ---------- Footer ---------- */
.app-footer {
  text-align: center; padding: 18px; color: var(--muted); font-size: 12px;
  border-top: 1px solid var(--line); background: #fff;
}
.app-footer a { color: var(--brand); text-decoration: none; }