/* ---------------------------------------------------------------------
   Design tokens
--------------------------------------------------------------------- */
:root {
  color-scheme: light dark;
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f8f9fb;
  --fg: #14161c;
  --muted: #6b7280;
  --muted-2: #9aa1ac;
  --border: #e4e6ea;
  --border-strong: #d3d6dc;
  --accent: #2f5fdd;
  --accent-hover: #2450c2;
  --accent-soft: #eaf0ff;
  --danger: #c0392b;
  --danger-soft: #fbe9e7;
  --success-fg: #14532d;
  --success-soft: #e1f7e8;
  --warning-fg: #7a5a00;
  --warning-soft: #fdf3d0;
  --info-fg: #1e3a8a;
  --info-soft: #e3edff;
  --sidebar-bg: #171a23;
  --sidebar-fg: #d7dae2;
  --sidebar-muted: #8891a4;
  --sidebar-active-bg: rgba(255, 255, 255, 0.08);
  --sidebar-border: rgba(255, 255, 255, 0.08);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 4px 16px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.12);

  --sidebar-width: 236px;
  --content-max: 1600px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0f14;
    --surface: #171a21;
    --surface-2: #1c1f28;
    --fg: #e8eaef;
    --muted: #9aa1ac;
    --muted-2: #6f7684;
    --border: #262a35;
    --border-strong: #333947;
    --accent: #6d93ff;
    --accent-hover: #85a5ff;
    --accent-soft: #16233f;
    --danger: #e5766a;
    --danger-soft: #3a1f1c;
    --success-fg: #7fdc9c;
    --success-soft: #123122;
    --warning-fg: #f0c46a;
    --warning-soft: #332608;
    --info-fg: #93b4ff;
    --info-soft: #172544;
    --sidebar-bg: #0b0d12;
    --sidebar-fg: #d7dae2;
    --sidebar-muted: #767e91;
    --sidebar-active-bg: rgba(255, 255, 255, 0.06);
    --sidebar-border: rgba(255, 255, 255, 0.06);
  }
}
:root[data-theme="dark"] {
  --bg: #0d0f14; --surface: #171a21; --surface-2: #1c1f28; --fg: #e8eaef;
  --muted: #9aa1ac; --muted-2: #6f7684; --border: #262a35; --border-strong: #333947;
  --accent: #6d93ff; --accent-hover: #85a5ff; --accent-soft: #16233f;
  --danger: #e5766a; --danger-soft: #3a1f1c; --success-fg: #7fdc9c; --success-soft: #123122;
  --warning-fg: #f0c46a; --warning-soft: #332608; --info-fg: #93b4ff; --info-soft: #172544;
  --sidebar-bg: #0b0d12; --sidebar-fg: #d7dae2; --sidebar-muted: #767e91;
  --sidebar-active-bg: rgba(255, 255, 255, 0.06); --sidebar-border: rgba(255, 255, 255, 0.06);
}
:root[data-theme="light"] {
  --bg: #f4f5f7; --surface: #ffffff; --surface-2: #f8f9fb; --fg: #14161c;
  --muted: #6b7280; --muted-2: #9aa1ac; --border: #e4e6ea; --border-strong: #d3d6dc;
  --accent: #2f5fdd; --accent-hover: #2450c2; --accent-soft: #eaf0ff;
  --danger: #c0392b; --danger-soft: #fbe9e7; --success-fg: #14532d; --success-soft: #e1f7e8;
  --warning-fg: #7a5a00; --warning-soft: #fdf3d0; --info-fg: #1e3a8a; --info-soft: #e3edff;
  --sidebar-bg: #171a23; --sidebar-fg: #d7dae2; --sidebar-muted: #8891a4;
  --sidebar-active-bg: rgba(255, 255, 255, 0.08); --sidebar-border: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--fg);
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ---------------------------------------------------------------------
   App shell: fixed sidebar + fluid content
--------------------------------------------------------------------- */
.nav-toggle-checkbox { display: none; }

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  flex: 0 0 var(--sidebar-width);
  background: var(--sidebar-bg);
  color: var(--sidebar-fg);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 20;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1.35rem 1.35rem 1rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  letter-spacing: -0.01em;
}
.sidebar-brand .brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #6d93ff);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}
.sidebar-brand a { color: inherit; text-decoration: none; display: flex; align-items: center; gap: 0.6rem; }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.5rem 0.75rem;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--sidebar-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.12s ease, color 0.12s ease;
}
.sidebar-nav a svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.9; }
.sidebar-nav a:hover { background: var(--sidebar-active-bg); color: #fff; }
.sidebar-nav a.active { background: var(--sidebar-active-bg); color: #fff; }
.sidebar-nav a.active svg { color: #85a5ff; }

.sidebar-footer {
  margin-top: auto;
  padding: 1rem 1.35rem 1.25rem;
  font-size: 0.75rem;
  color: var(--sidebar-muted);
  border-top: 1px solid var(--sidebar-border);
}

.sidebar-scrim {
  display: none;
}

.main-col {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 15;
}
.hamburger-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--fg);
}
.hamburger-btn:hover { background: var(--surface-2); }
.topbar-title { font-weight: 700; }

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-left: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}
.theme-toggle-btn:hover { background: var(--surface-2); color: var(--fg); }
.theme-toggle-btn .icon-sun, .theme-toggle-btn .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle-btn .icon-moon { display: inline-flex; }
:root[data-theme="dark"] .theme-toggle-btn .icon-sun { display: inline-flex; }

/* Hamburger/off-canvas drawer are mobile-only affordances — desktop always
   shows the full sidebar, so there's nothing for the hamburger to toggle. */
@media (min-width: 901px) {
  .hamburger-btn { display: none; }
}

.content {
  flex: 1 1 auto;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2rem 2.5rem 4rem;
}

/* Mobile: sidebar becomes an off-canvas drawer toggled by a checkbox hack */
@media (max-width: 900px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow-lg);
  }
  .nav-toggle-checkbox:checked ~ .app-shell .sidebar {
    transform: translateX(0);
  }
  .sidebar-scrim {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 19;
  }
  .nav-toggle-checkbox:checked ~ .app-shell .sidebar-scrim {
    display: block;
  }
  .content { padding: 1.25rem 1.25rem 3rem; }
}

/* ---------------------------------------------------------------------
   Typography
--------------------------------------------------------------------- */
h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 0.35rem; }
h2 { font-size: 1.1rem; font-weight: 700; margin-top: 2.25rem; margin-bottom: 0.75rem; }
h3 { font-size: 0.98rem; font-weight: 700; margin: 0 0 0.35rem; }
p { margin: 0.5rem 0; }
a { color: var(--accent); }
code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-size: 0.85em;
}

.page-header { margin-bottom: 1.5rem; }
.page-subtitle { color: var(--muted); font-size: 0.9rem; margin-top: 0.25rem; }
.text-muted { color: var(--muted); }
.text-sm { font-size: 0.85rem; }

/* ---------------------------------------------------------------------
   Flash messages
--------------------------------------------------------------------- */
.flash-stack { margin-bottom: 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; }
.flash {
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  border: 1px solid transparent;
}
.flash-success { background: var(--success-soft); color: var(--success-fg); }
.flash-danger { background: var(--danger-soft); color: var(--danger); }
.flash-warning { background: var(--warning-soft); color: var(--warning-fg); }
.flash-info { background: var(--info-soft); color: var(--info-fg); }

/* ---------------------------------------------------------------------
   Cards / panels
--------------------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

/* ---------------------------------------------------------------------
   Form layout helpers — 2-column grid for compact field pairs, section
   headers to break a long form into scannable groups.
---------------------------------------------------------------------- */
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1.5rem;
}
@media (max-width: 700px) {
  .form-grid-2 { grid-template-columns: 1fr; }
}
.form-section-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 1.75rem 0 0.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.form-section-title:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.form-section-hint { color: var(--muted); font-size: 0.82rem; margin: 0 0 0.5rem; }

.selected-tags-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  min-height: 2.1rem;
  padding: 0.5rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  margin: 0.4rem 0 0.75rem;
}
.selected-tags-bar .tag-chip { cursor: default; }
.selected-tags-bar .tag-chip button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-weight: 700;
  padding: 0 0 0 0.35rem;
  font-size: 0.95em;
  line-height: 1;
}

.filter-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1.4rem 1.3rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 0.9rem;
}
.filter-bar .filter-row { display: flex; flex-wrap: wrap; gap: 1.5rem 2rem; }
.filter-bar .filter-group { min-width: 200px; flex: 1 1 auto; }
.filter-bar .filter-group.grow { flex: 2 1 320px; }
.filter-bar label { margin-top: 0; }
.filter-bar .filter-actions { display: flex; gap: 0.6rem; align-items: center; }

/* ---------------------------------------------------------------------
   Tables
--------------------------------------------------------------------- */
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.table-wrap table { margin-top: 0; }
th, td { text-align: left; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--surface-2);
  white-space: nowrap;
}
tbody tr:hover { background: var(--surface-2); }
tbody tr:last-child td { border-bottom: none; }
td .row-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* Clickable column-header sort links, replacing the old "Sort by" dropdown */
a.col-sort {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  gap: 0.3rem;
  align-items: center;
}
a.col-sort:hover { color: var(--accent); }
a.col-sort.active { color: var(--accent); }

.btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Standalone tables not wrapped in .table-wrap (kept for pages not yet updated) */
table:not(.table-wrap table) {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* ---------------------------------------------------------------------
   Forms
--------------------------------------------------------------------- */
form.inline { display: inline; }

label { display: block; margin-top: 0.85rem; font-size: 0.82rem; font-weight: 600; color: var(--muted); }
input[type=text], input[type=url], input[type=number], input[type=password], select, textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  margin-top: 0.3rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--fg);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { min-height: 5rem; }

.checkbox-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.4rem;
}
.checkbox-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  font-size: 0.83rem;
  color: var(--fg);
  cursor: pointer;
  margin: 0;
  background: var(--surface);
  transition: border-color 0.12s ease, background 0.12s ease;
}
.checkbox-pill:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}
.checkbox-pill input[type=checkbox] { width: auto; margin: 0; accent-color: var(--accent); }

/* ---------------------------------------------------------------------
   Taxonomy chip pickers (domain/technology/expertise) — each chip's color comes
   from a --chip-hue custom property set inline per item, not a fixed palette, so
   the same rule works for however many categories/tags exist.
---------------------------------------------------------------------- */
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  cursor: pointer;
  margin: 0;
  border: 1px solid hsl(var(--chip-hue) 55% 45% / 0.45);
  background: hsl(var(--chip-hue) 70% 96%);
  color: hsl(var(--chip-hue) 55% 28%);
  transition: border-color 0.12s ease, background 0.12s ease, color 0.12s ease;
}
.tag-chip:has(input:checked) {
  background: hsl(var(--chip-hue) 65% 50%);
  border-color: hsl(var(--chip-hue) 65% 38%);
  color: #fff;
  font-weight: 600;
}
.tag-chip input[type=checkbox] { width: auto; margin: 0; accent-color: hsl(var(--chip-hue) 65% 40%); }
.tag-chip--category { font-weight: 600; padding: 0.4rem 0.8rem; }

.tag-group-list { display: flex; flex-direction: column; gap: 0.35rem; margin-top: 0.4rem; }
.tag-group {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
  background: var(--surface);
}
.tag-group summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
}
.tag-group summary::-webkit-details-marker { display: none; }
.tag-group summary::before {
  content: "▸";
  color: var(--muted);
  margin-right: 0.4rem;
  font-size: 0.75rem;
}
.tag-group[open] summary::before { content: "▾"; }

@media (prefers-color-scheme: dark) {
  .tag-chip { background: hsl(var(--chip-hue) 35% 18%); color: hsl(var(--chip-hue) 60% 78%); border-color: hsl(var(--chip-hue) 45% 40% / 0.5); }
  .tag-chip:has(input:checked) { background: hsl(var(--chip-hue) 55% 42%); border-color: hsl(var(--chip-hue) 55% 55%); color: #fff; }
}
:root[data-theme="dark"] .tag-chip { background: hsl(var(--chip-hue) 35% 18%); color: hsl(var(--chip-hue) 60% 78%); border-color: hsl(var(--chip-hue) 45% 40% / 0.5); }
:root[data-theme="dark"] .tag-chip:has(input:checked) { background: hsl(var(--chip-hue) 55% 42%); border-color: hsl(var(--chip-hue) 55% 55%); color: #fff; }

.star-btn {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  color: var(--muted-2);
}
.star-btn:hover { color: var(--warning-fg); }
.star-btn.starred { color: #d4a017; }

/* Per-row quick-action icon buttons (mark viewed/in-progress/decided, hide) —
   sit next to the star toggle in the Opportunities table's leftmost column. */
.quick-actions { display: flex; flex-wrap: nowrap; gap: 0.1rem; align-items: center; white-space: nowrap; }
.icon-btn {
  background: none;
  border: 1px solid transparent;
  padding: 0.1rem 0.25rem;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  color: var(--muted-2);
  border-radius: var(--radius-sm);
}
.icon-btn:hover { background: var(--surface-2); border-color: var(--border); }
.icon-btn.icon-active-viewed { background: var(--info-soft); color: var(--info-fg); }
.icon-btn.icon-active-in_progress { background: var(--warning-soft); color: var(--warning-fg); }
.icon-btn.icon-active-decided { background: var(--success-soft); color: var(--success-fg); }
.icon-btn.icon-hide:hover { background: var(--danger-soft); color: var(--danger); }

/* ---------------------------------------------------------------------
   Buttons
--------------------------------------------------------------------- */
button, .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 0.87rem;
  font-weight: 600;
  text-decoration: none;
  margin-top: 0.75rem;
  transition: background 0.12s ease, border-color 0.12s ease, transform 0.05s ease;
  font-family: inherit;
}
button:hover, .btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button:active, .btn:active { transform: translateY(1px); }
button.secondary, .btn.secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--border-strong);
}
button.secondary:hover, .btn.secondary:hover { background: var(--accent-soft); border-color: var(--accent); }
button.danger, .btn.danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--border-strong);
}
button.danger:hover, .btn.danger:hover { background: var(--danger-soft); border-color: var(--danger); }

/* ---------------------------------------------------------------------
   Badges
--------------------------------------------------------------------- */
.pct-badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.8rem;
}
.pct-high { background: var(--success-soft); color: var(--success-fg); }
.pct-mid { background: var(--warning-soft); color: var(--warning-fg); }
.pct-low { background: var(--danger-soft); color: var(--danger); }

.tier-badge {
  display: inline-block;
  padding: 0.18rem 0.6rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.tier-expired { background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }
.tier-act_now { background: var(--danger-soft); color: var(--danger); }
.tier-prepare_now { background: var(--warning-soft); color: var(--warning-fg); }
.tier-future { background: var(--info-soft); color: var(--info-fg); }
.tier-archived { background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }

.badge {
  display: inline-block;
  padding: 0.12rem 0.55rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--muted);
  margin-right: 0.25rem;
}
.badge.workflow-viewed { background: var(--info-soft); color: var(--info-fg); border-color: transparent; }
.badge.workflow-in_progress { background: var(--warning-soft); color: var(--warning-fg); border-color: transparent; }
.badge.workflow-decided { background: var(--success-soft); color: var(--success-fg); border-color: transparent; }

/* ---------------------------------------------------------------------
   Misc
--------------------------------------------------------------------- */
.roadmap-version {
  margin-top: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}
.roadmap-version:last-child { border-bottom: none; }
.roadmap-version h3 { margin-bottom: 0.35rem; }
.status-current { color: var(--accent); font-weight: 700; }
.status-shipped { color: var(--success-fg); font-weight: 700; }
.status-planned { color: var(--muted); font-weight: 600; }

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 2.5rem 1rem;
}

progress { width: 100%; height: 10px; border-radius: var(--radius-pill); overflow: hidden; border: none; }
progress::-webkit-progress-bar { background: var(--surface-2); border-radius: var(--radius-pill); }
progress::-webkit-progress-value { background: var(--accent); border-radius: var(--radius-pill); }