/* DTV Roadmap Generator — UI styles.
   Palette mirrors the document tokens in src/client/tokens.ts so the app and the
   exported documents read as one system: navy structure, teal technology,
   brown/orange business, purple optional modules. */

:root {
  --navy: #0b2545;
  --navy-700: #123561;
  --navy-100: #e7ecf3;
  --teal: #0f7c7c;
  --teal-100: #e8f5f5;
  --brown: #8c5a1a;
  --orange: #f2994a;
  --orange-100: #fff3e8;
  --purple: #5b4b8a;
  --purple-100: #ede9f5;

  --ink: #1a1a1a;
  --muted: #555;
  --faint: #888;
  --line: #d9dde3;
  --zebra: #f2f3f5;
  --bg: #f6f7f9;
  --card: #fff;

  --danger: #b3261e;
  --warn: #8a5a00;
  --ok: #1e6f3c;

  --radius: 8px;
  --radius-sm: 5px;
  --shadow: 0 1px 2px rgba(11, 37, 69, 0.06), 0 4px 12px rgba(11, 37, 69, 0.06);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 Calibri, Carlito, "Segoe UI", system-ui, -apple-system, sans-serif;
}

.hidden { display: none !important; }

/* ------------------------------------------------------------- app shell */

.app {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 100vh;
}

.topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 10px 18px;
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 40;
}

.brand { display: flex; align-items: baseline; gap: 10px; margin-right: auto; }
.brand strong { font-size: 16px; letter-spacing: 0.2px; }
.brand span { font-size: 12px; color: #9fb0c4; }

.topbar .venture {
  font-weight: 700;
  color: #fff;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.4);
  background: none;
  border-left: 0; border-right: 0; border-top: 0;
  font-size: 14px;
  min-width: 200px;
  padding: 2px 2px 3px;
}
.topbar .venture::placeholder { color: #8fa3bb; }
.topbar .venture:focus { outline: none; border-bottom-color: var(--orange); }

.dirty-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--orange);
  display: inline-block;
  margin-left: 6px;
}

/* --------------------------------------------------------------- sidebar */

.sidebar {
  background: var(--card);
  border-right: 1px solid var(--line);
  padding: 12px 0 40px;
  overflow-y: auto;
  max-height: calc(100vh - 53px);
  position: sticky;
  top: 53px;
}

.side-group { margin-bottom: 14px; }
.side-group > h3 {
  margin: 0 14px 6px;
  font-size: 10.5px;
  letter-spacing: 0.9px;
  text-transform: uppercase;
  color: var(--faint);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  text-align: left;
  padding: 7px 14px;
  border: 0;
  background: none;
  color: var(--ink);
  font: inherit;
  font-size: 13.5px;
  cursor: pointer;
  border-left: 3px solid transparent;
}
.nav-item:hover { background: var(--zebra); }
.nav-item.active { background: var(--navy-100); border-left-color: var(--navy); font-weight: 700; }
.nav-item .num {
  font-variant-numeric: tabular-nums;
  color: var(--faint);
  min-width: 18px;
  font-size: 12px;
}
.nav-item.active .num { color: var(--navy); }
.nav-item .badge {
  margin-left: auto;
  font-size: 10.5px;
  padding: 1px 6px;
  border-radius: 9px;
  background: var(--zebra);
  color: var(--muted);
  font-weight: 600;
}
.nav-item .badge.err { background: #fdecea; color: var(--danger); }
.nav-item .badge.warn { background: #fff6e5; color: var(--warn); }
.nav-item .badge.ok { background: #e7f5ec; color: var(--ok); }

/* ---------------------------------------------------------------- main */

.main { padding: 20px 24px 80px; max-width: 1180px; min-width: 0; }

.section-head { margin-bottom: 16px; }
.section-head h2 { margin: 0 0 4px; font-size: 21px; color: var(--navy); }
.section-head p { margin: 0; color: var(--muted); font-size: 13.5px; max-width: 78ch; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card > h3 {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card > h3 .hint { font-weight: 400; color: var(--faint); font-size: 12px; }

.guidance {
  font-size: 12.5px;
  color: var(--faint);
  font-style: italic;
  border-left: 3px solid var(--line);
  padding: 2px 0 2px 10px;
  margin: 0 0 12px;
}

/* ---------------------------------------------------------------- form */

.field { margin-bottom: 12px; }
.field > label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 3px;
}
.field > .sub { font-size: 11.5px; color: var(--faint); margin-bottom: 4px; }

input[type="text"], input[type="number"], textarea, select {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 13.5px;
  background: #fff;
  color: var(--ink);
}
textarea { resize: vertical; min-height: 68px; line-height: 1.45; }
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--navy);
  outline-offset: -1px;
  border-color: var(--navy);
}
input::placeholder, textarea::placeholder { color: #a8b2be; }

.row { display: grid; gap: 12px; }
.row.c2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.row.c3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.row.c4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) { .row.c2, .row.c3, .row.c4 { grid-template-columns: 1fr; } }

.check { display: flex; align-items: flex-start; gap: 8px; font-size: 13.5px; margin-bottom: 6px; }
.check input { margin-top: 3px; }

/* --------------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--navy);
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { background: var(--zebra); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.primary { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.primary:hover { background: var(--navy-700); }
.btn.teal { background: var(--teal); border-color: var(--teal); color: #fff; }
.btn.teal:hover { filter: brightness(1.1); }
.btn.ghost { background: transparent; border-color: transparent; color: #dce4ee; }
.btn.ghost:hover { background: rgba(255, 255, 255, 0.12); }
.btn.small { padding: 4px 9px; font-size: 12px; }
.btn.danger { color: var(--danger); border-color: #e8c6c2; }
.btn.danger:hover { background: #fdecea; }
.btn.llm { background: var(--purple); border-color: var(--purple); color: #fff; }
.btn.llm:hover { filter: brightness(1.12); }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ---------------------------------------------------------------- table */

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); }
table.grid { border-collapse: collapse; width: 100%; font-size: 13px; }
table.grid th, table.grid td { border: 1px solid var(--line); padding: 4px 6px; vertical-align: top; text-align: left; }
table.grid th {
  background: var(--navy);
  color: #fff;
  font-size: 11.5px;
  letter-spacing: 0.3px;
  position: sticky;
  top: 0;
  z-index: 1;
}
table.grid th.teal { background: var(--teal); }
table.grid th.brown { background: var(--brown); }
table.grid th.purple { background: var(--purple); }
table.grid td input, table.grid td textarea, table.grid td select {
  border: 0;
  padding: 3px 4px;
  font-size: 13px;
  background: transparent;
  border-radius: 3px;
}
table.grid td input:focus, table.grid td textarea:focus, table.grid td select:focus {
  outline: 2px solid var(--navy);
  background: #fff;
}
table.grid td textarea { min-height: 34px; }
table.grid tr.suggested td { background: #eef3fa; }
table.grid tr.suggested td:first-child::after {
  content: "suggested";
  display: block;
  font-size: 9.5px;
  color: var(--purple);
  font-weight: 700;
  letter-spacing: 0.4px;
}
table.grid td.rownum { width: 30px; text-align: center; color: var(--faint); font-size: 11.5px; }
table.grid td.actions { width: 38px; text-align: center; }
.icon-btn {
  border: 0; background: none; cursor: pointer; color: var(--faint);
  font-size: 15px; line-height: 1; padding: 3px 5px; border-radius: 3px;
}
.icon-btn:hover { background: #fdecea; color: var(--danger); }
.icon-btn.up:hover, .icon-btn.down:hover { background: var(--zebra); color: var(--navy); }

/* -------------------------------------------------------------- messages */

.msg {
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-size: 13px;
  margin-bottom: 10px;
  border-left: 4px solid;
}
.msg.error { background: #fdecea; border-color: var(--danger); color: #7a1c16; }
.msg.warn { background: #fff6e5; border-color: var(--warn); color: #6b4500; }
.msg.ok { background: #e7f5ec; border-color: var(--ok); color: #14532d; }
.msg.info { background: var(--navy-100); border-color: var(--navy); color: var(--navy); }
.msg ul { margin: 5px 0 0; padding-left: 18px; }
.msg li { margin-bottom: 2px; }

.pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 9px;
  letter-spacing: 0.3px;
}
.pill.tech { background: var(--teal-100); color: var(--teal); }
.pill.biz { background: var(--orange-100); color: var(--brown); }
.pill.opt { background: var(--purple-100); color: var(--purple); }
.pill.shared { background: var(--zebra); color: var(--muted); }

/* ------------------------------------------------------------- preview */

.preview {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 30px;
  box-shadow: var(--shadow);
  font-size: 13px;
}
.preview h1 { font-size: 17px; color: var(--navy); border-bottom: 2px solid var(--navy); padding-bottom: 4px; margin: 22px 0 8px; }
.preview h2 { font-size: 14px; color: var(--teal); margin: 16px 0 6px; }
.preview h3 { font-size: 13px; color: var(--navy); margin: 12px 0 5px; }
.preview p { margin: 0 0 8px; }
.preview ul { margin: 0 0 8px; padding-left: 20px; }
.preview li { margin-bottom: 3px; }
.preview table { border-collapse: collapse; width: 100%; font-size: 11.5px; margin: 6px 0 12px; }
.preview table th, .preview table td { border: 1px solid var(--line); padding: 3px 5px; text-align: left; vertical-align: top; }
.preview table th { color: #fff; font-size: 10.5px; }
.preview img { max-width: 100%; height: auto; display: block; margin: 8px auto; }
.preview .guidance { font-size: 11px; }
.preview .na { font-style: italic; color: var(--faint); font-size: 11.5px; }
.preview .cover { text-align: center; padding: 30px 0; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.preview .cover .vname { font-size: 30px; font-weight: 700; color: var(--navy); margin: 8px 0; }
.preview .cover .vrange { color: var(--teal); font-weight: 700; }

/* ------------------------------------------------------------- overlays */

.toasts {
  position: fixed; right: 16px; bottom: 16px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 100; max-width: 380px;
}
.toast {
  background: var(--navy); color: #fff;
  padding: 10px 13px; border-radius: var(--radius-sm);
  font-size: 13px; box-shadow: var(--shadow);
  border-left: 4px solid var(--orange);
  animation: slide-in 0.18s ease-out;
}
.toast.error { border-left-color: #ff6b5e; }
.toast.ok { border-left-color: #4ade80; }
@keyframes slide-in { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }

.overlay {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(11, 37, 69, 0.55);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(2px);
}
.overlay-card {
  background: #fff; border-radius: var(--radius);
  padding: 26px 30px; max-width: 420px; text-align: center;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}
.overlay-card p { margin: 10px 0 0; font-weight: 700; color: var(--navy); }
.overlay-card .overlay-sub { font-weight: 400; font-size: 12.5px; color: var(--muted); }
.spinner {
  width: 34px; height: 34px; margin: 0 auto;
  border: 3px solid var(--navy-100);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------------------------------------------------- projects list */

.projects { display: grid; gap: 8px; }
.project {
  display: flex; align-items: center; gap: 10px;
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 9px 11px; background: #fff;
}
.project .meta { min-width: 0; flex: 1; }
.project .meta strong { display: block; font-size: 13.5px; color: var(--navy); }
.project .meta span { font-size: 11.5px; color: var(--faint); }

.empty {
  text-align: center; padding: 30px 16px; color: var(--faint); font-size: 13.5px;
}

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }

code.inline { font-family: var(--mono); font-size: 12px; background: var(--zebra); padding: 1px 5px; border-radius: 3px; }

@media print {
  .topbar, .sidebar, .toasts { display: none; }
  .app { display: block; }
  .preview { border: 0; box-shadow: none; padding: 0; }
}