/* CAU Reporting — light/dark theming via CSS variables (same pattern as other CAU apps) */
:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #17242f;
  --muted: #64748b;
  --line: #dde4ea;
  --brand: #0b5394;
  --brand-dark: #083b6b;
  --accent: #C4161C;            /* CAU red */
  --header-bg: #0b5394;
  --header-ink: #ffffff;
  --nav-link: #cfe3f7;
  --input-bg: #ffffff;
  --hover: #f0f5fa;
  --chip-bg: #eef2f6;
  --req-bg: #fff8f2;
  --focus: #9ec5e8;
  --toast-bg: #17242f;
  --toast-ink: #ffffff;
  --shadow: 0 8px 30px rgba(0,0,0,.06);
  --red: #b91c1c;   --red-bg: #fee2e2;   --red-line: #fca5a5;
  --amber: #b45309; --amber-bg: #fef3c7; --amber-line: #fcd34d;
  --green: #15803d; --green-bg: #dcfce7; --green-line: #86efac;
  --blue: #1d4ed8;  --blue-bg: #dbeafe;  --blue-line: #93c5fd;
  --logo-filter: none;
}

[data-theme="dark"] {
  --bg: #121212;
  --card: #1e1e1e;
  --ink: #e8e8e8;
  --muted: #9aa7b4;
  --line: #333333;
  --brand: #2f74b5;
  --brand-dark: #0b5394;
  --accent: #E5484D;            /* lighter CAU red for contrast on dark */
  --header-bg: #0a2c47;
  --header-ink: #e8e8e8;
  --nav-link: #9ec5e8;
  --input-bg: #161c22;
  --hover: #26303a;
  --chip-bg: #2a2f35;
  --req-bg: #2a2118;
  --focus: #2f74b5;
  --toast-bg: #e8e8e8;
  --toast-ink: #17242f;
  --shadow: 0 8px 30px rgba(0,0,0,.4);
  --red: #f28b8b;   --red-bg: #3b1d1d;   --red-line: #7f1d1d;
  --amber: #fbbf24; --amber-bg: #3a2c12; --amber-line: #92650a;
  --green: #6ee7a0; --green-bg: #12331f; --green-line: #166534;
  --blue: #93c5fd;  --blue-bg: #16263d;  --blue-line: #1e40af;
  --logo-filter: brightness(1.55);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 15px/1.45 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: var(--bg); color: var(--ink); -webkit-tap-highlight-color: transparent; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.warn { color: var(--amber); font-weight: 600; }

/* logo — explicit caps so it can never render at intrinsic size (1800px) */
.logo { filter: var(--logo-filter); }
.login-card .logo { width: 240px; height: auto; max-width: 80%; margin: 0 auto 10px; display: block; }
header .logo { height: 30px; width: auto; max-height: 30px; background: #fff; border-radius: 6px; padding: 2px 8px; }

/* login */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 40px; max-width: 420px; text-align: center; box-shadow: var(--shadow); }
.login-card h1 { margin: 0 0 8px; color: var(--brand); }

/* shell */
header { background: var(--header-bg); color: var(--header-ink); display: flex; align-items: center; gap: 16px; padding: 10px 20px; padding-top: calc(10px + env(safe-area-inset-top)); position: sticky; top: 0; z-index: 5; }
.brand { font-size: 18px; letter-spacing: .3px; white-space: nowrap; }
nav { display: flex; align-items: center; gap: 4px; flex: 1; flex-wrap: wrap; }
nav a { color: var(--nav-link); text-decoration: none; padding: 6px 12px; border-radius: 8px; }
nav a.on, nav a:hover { background: rgba(255,255,255,.15); color: #fff; }
nav .spacer { flex: 1; }
nav .muted { color: var(--nav-link); font-size: 13px; }
header .btn-ghost { color: var(--header-ink); border-color: transparent; }
#theme-toggle { background: transparent; border: 1px solid rgba(255,255,255,.35); color: var(--header-ink); border-radius: 8px; padding: 4px 10px; font-size: 15px; cursor: pointer; }
#theme-toggle:hover { background: rgba(255,255,255,.15); }
.login #theme-toggle { position: fixed; top: 16px; right: 16px; border-color: var(--line); color: var(--ink); }
main { max-width: 980px; margin: 24px auto; padding: 0 16px; }
footer { max-width: 980px; margin: 30px auto; padding: 0 16px 30px; font-size: 12.5px; }

/* cards & forms */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; margin-bottom: 16px; }
.card h3 { margin: 0 0 4px; } .card h4 { margin: 14px 0 4px; }
.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > .field { flex: 1; min-width: 180px; }
.row.wrap > .field { min-width: 200px; flex: 0 1 calc(33% - 10px); }
.field { display: flex; flex-direction: column; gap: 4px; margin: 8px 0; }
.field label { font-weight: 600; font-size: 13.5px; }
.field.check { flex-direction: row; align-items: flex-start; gap: 8px; }
.field.check input { margin-top: 3px; }
.hint { color: var(--muted); font-size: 12.5px; }
.input { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font: inherit; background: var(--input-bg); color: var(--ink); width: 100%; }
.input:focus { outline: 2px solid var(--focus); border-color: var(--brand); }
textarea.input { resize: vertical; }
.form-actions { margin: 18px 0 40px; }

/* buttons */
.btn { border: 1px solid var(--line); background: var(--card); color: var(--ink); padding: 8px 16px; border-radius: 8px; font: inherit; cursor: pointer; }
.btn-primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-lg { padding: 12px 26px; font-size: 16px; }
.btn:disabled { opacity: .55; cursor: default; }
.btn-row { display: flex; gap: 8px; margin: 8px 0; flex-wrap: wrap; }

/* chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.chip { display: inline-block; border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; font-size: 12px; background: var(--chip-bg); color: var(--ink); margin-left: 6px; }
.chip-pick { cursor: pointer; padding: 7px 14px; font-size: 13.5px; margin: 0; background: var(--card); }
.chip-pick.on { background: var(--brand); border-color: var(--brand); color: #fff; }
.chip-red { background: var(--red-bg); color: var(--red); border-color: var(--red-line); }
.chip-amber { background: var(--amber-bg); color: var(--amber); border-color: var(--amber-line); }
.chip-green { background: var(--green-bg); color: var(--green); border-color: var(--green-line); }
.chip-blue { background: var(--blue-bg); color: var(--blue); border-color: var(--blue-line); }

/* routing */
.route-line { display: flex; gap: 12px; align-items: flex-start; padding: 10px 6px; border-top: 1px solid var(--line); }
.route-line.req { background: var(--req-bg); }
.route-line input[type=checkbox] { margin-top: 4px; transform: scale(1.2); }
.route-title { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.route-detail { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 12px 0; }
.route-mini { display: inline-flex; align-items: center; margin-right: 8px; font-size: 12.5px; white-space: nowrap; }
.banner-red { background: var(--red-bg); border: 1px solid var(--red-line); color: var(--red); border-radius: 10px; padding: 14px 16px; margin: 12px 0; }

/* drafts (always dark — it's a "terminal" look in both themes) */
pre.draft { background: #0f1720; color: #d7e3ee; border-radius: 10px; padding: 14px; font: 12.5px/1.5 ui-monospace, Menlo, Consolas, monospace; overflow-x: auto; white-space: pre-wrap; max-height: 420px; overflow-y: auto; }

/* table */
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12.5px; color: var(--muted); border-bottom: 2px solid var(--line); padding: 6px; }
.table td { border-bottom: 1px solid var(--line); padding: 8px 6px; vertical-align: top; }
tr.clickable { cursor: pointer; } tr.clickable:hover { background: var(--hover); }
.clickable { cursor: pointer; }

/* modal & toast */
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 20; overflow-y: auto; }
.modal { background: var(--card); color: var(--ink); border-radius: 12px; max-width: 860px; width: 100%; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.modal-head h3 { margin: 0; }
.modal-body { padding: 16px 20px; max-height: 72vh; overflow-y: auto; }
.modal-actions { padding: 12px 20px; border-top: 1px solid var(--line); display: flex; gap: 8px; justify-content: flex-end; }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--toast-bg); color: var(--toast-ink); padding: 10px 18px; border-radius: 10px; opacity: 0; transition: all .3s; z-index: 30; max-width: 90vw; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast-err { background: var(--red); color: #fff; }

.sdr-list { columns: 2; column-gap: 24px; }
.sdr-list .field { break-inside: avoid; margin: 4px 0; }
@media (max-width: 700px) { .sdr-list { columns: 1; } }

/* ============================================================
   Mobile — RPICs file these from phones in the field
   ============================================================ */
@media (max-width: 640px) {
  main { margin: 16px auto; padding: 0 12px; }
  main, footer { padding-left: max(12px, env(safe-area-inset-left)); padding-right: max(12px, env(safe-area-inset-right)); }
  .card { padding: 14px 14px; }

  /* Header: brand + scrollable nav + toggle stay on one line */
  header { gap: 10px; padding: 8px 12px; padding-top: calc(8px + env(safe-area-inset-top)); }
  header .logo { height: 26px; }
  .brand { font-size: 16px; }
  nav { gap: 2px; overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  nav::-webkit-scrollbar { display: none; }
  nav a { padding: 6px 10px; white-space: nowrap; }
  nav .spacer { display: none; }
  nav .muted { display: none; }              /* hide "name · role" to save width */

  /* Stack every two-up/three-up field row */
  .row, .row.wrap { flex-direction: column; gap: 0; }
  .row > .field, .row.wrap > .field { min-width: 0; width: 100%; }

  /* 16px controls stop iOS Safari from auto-zooming when a field is focused */
  .input { font-size: 16px; padding: 11px 12px; }

  /* Bigger thumb targets; primary action full-width and last */
  .btn { padding: 10px 16px; }
  .btn-sm { padding: 7px 12px; font-size: 13px; }
  .form-actions { display: flex; flex-direction: column; }
  .form-actions .btn { width: 100%; }
  .chip-pick { padding: 9px 14px; }          /* easier to tap event chips */

  /* Wide tables scroll sideways instead of squashing */
  .card > .table, .table { display: block; overflow-x: auto; white-space: nowrap; }

  /* Modals use the full screen on a phone */
  .overlay { padding: 0; }
  .modal { border-radius: 0; min-height: 100vh; max-width: 100%; }
  .modal-body { max-height: none; }
  .btn-row { gap: 6px; }
  pre.draft { font-size: 12px; }
}