/* Trelice Signal Engine — hand-written CSS, same HSL design tokens the
   original Tailwind theme used (src/app/globals.css). */

:root {
  --background: 0 0% 100%;
  --foreground: 224 20% 12%;
  --card: 0 0% 100%;
  --card-foreground: 224 20% 12%;
  --muted: 220 14% 96%;
  --muted-foreground: 220 9% 45%;
  --border: 220 13% 89%;
  --primary: 226 64% 44%;
  --primary-foreground: 0 0% 100%;
  --accent: 220 14% 93%;
  --accent-foreground: 224 20% 12%;
  --destructive: 0 72% 45%;
  --destructive-foreground: 0 0% 100%;
  --success: 152 60% 32%;
  --warning: 38 92% 40%;
  --radius: 0.5rem;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
  line-height: 1.5;
}

a { color: hsl(var(--primary)); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.main { max-width: 64rem; margin: 0 auto; padding: 1.25rem 1rem 6rem; }
.page-title { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; margin: 0.25rem 0 0.5rem; }
.page-head { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.muted { color: hsl(var(--muted-foreground)); }
.small { font-size: 0.8125rem; }
.stack { display: flex; flex-direction: column; gap: 0.75rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 0.75rem; }
.table-wrap { overflow-x: auto; }

/* Nav */
.nav { border-bottom: 1px solid hsl(var(--border)); background: hsl(var(--card)); }
.nav-inner { max-width: 64rem; margin: 0 auto; padding: 0 1rem; display: flex; align-items: center; gap: 0.25rem; height: 3rem; overflow-x: auto; }
.nav-brand { font-weight: 700; font-size: 0.9375rem; margin-right: 0.75rem; white-space: nowrap; }
.nav-link { padding: 0.375rem 0.625rem; border-radius: calc(var(--radius) - 2px); color: hsl(var(--muted-foreground)); font-size: 0.875rem; white-space: nowrap; }
.nav-link:hover { background: hsl(var(--accent)); text-decoration: none; color: hsl(var(--accent-foreground)); }
.nav-link.active { color: hsl(var(--foreground)); font-weight: 600; }

/* Flash messages */
.flashes { margin: 0.5rem 0; display: flex; flex-direction: column; gap: 0.375rem; }
.flash { padding: 0.5rem 0.75rem; border-radius: var(--radius); font-size: 0.875rem; border: 1px solid hsl(var(--border)); background: hsl(var(--muted)); }
.flash-error { border-color: hsl(var(--destructive) / 0.4); background: hsl(var(--destructive) / 0.08); color: hsl(var(--destructive)); }
.flash-warning { border-color: hsl(var(--warning) / 0.5); background: hsl(var(--warning) / 0.08); }

/* Cards */
.card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  margin: 0.625rem 0;
}
.card-title { font-weight: 600; font-size: 0.9375rem; margin-bottom: 0.5rem; }
.empty-state { text-align: center; padding: 2rem 1rem; }

/* Badges */
.badge {
  display: inline-flex; align-items: center;
  border-radius: 999px; padding: 0.0625rem 0.5rem;
  font-size: 0.6875rem; font-weight: 600; line-height: 1.4;
  border: 1px solid transparent; white-space: nowrap;
}
.badge-code { background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); }
.badge-outline { border-color: hsl(var(--border)); color: hsl(var(--muted-foreground)); }
.badge-secondary { background: hsl(var(--muted)); color: hsl(var(--muted-foreground)); }
.badge-icp { background: hsl(266 60% 42%); color: white; }
.badge-sla { background: hsl(var(--destructive)); color: hsl(var(--destructive-foreground)); }
.badge-warning { background: hsl(var(--warning) / 0.15); color: hsl(var(--warning)); border-color: hsl(var(--warning) / 0.4); }
.badge-status-new { background: hsl(var(--primary) / 0.12); color: hsl(var(--primary)); }
.badge-status-actioned { background: hsl(var(--success) / 0.12); color: hsl(var(--success)); }
.badge-status-dismissed { background: hsl(var(--muted)); color: hsl(var(--muted-foreground)); }
.badge-status-snoozed { background: hsl(var(--warning) / 0.15); color: hsl(var(--warning)); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.25rem;
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid transparent;
  font-size: 0.875rem; font-weight: 500;
  padding: 0.4375rem 0.875rem;
  cursor: pointer; background: none; color: inherit;
  transition: background-color 0.1s ease;
}
.btn-sm { padding: 0.25rem 0.625rem; font-size: 0.8125rem; }
.btn-xs { padding: 0.125rem 0.4375rem; font-size: 0.75rem; }
.btn-primary { background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); }
.btn-primary:hover { background: hsl(var(--primary) / 0.9); }
.btn-secondary { background: hsl(var(--muted)); color: hsl(var(--foreground)); }
.btn-secondary:hover { background: hsl(var(--accent)); }
.btn-outline { border-color: hsl(var(--border)); }
.btn-outline:hover { background: hsl(var(--accent)); }
.btn-ghost { color: hsl(var(--muted-foreground)); }
.btn-ghost:hover { background: hsl(var(--accent)); color: hsl(var(--accent-foreground)); }
.btn-destructive { background: hsl(var(--destructive)); color: hsl(var(--destructive-foreground)); }
.btn-destructive:hover { background: hsl(var(--destructive) / 0.9); }

/* Forms */
.field { display: flex; flex-direction: column; gap: 0.25rem; }
.field-label { font-size: 0.8125rem; font-weight: 500; color: hsl(var(--muted-foreground)); }
input[type="text"], input[type="url"], input[type="password"], input[type="number"], input[type="email"],
select, textarea {
  font: inherit; color: inherit;
  border: 1px solid hsl(var(--border));
  border-radius: calc(var(--radius) - 2px);
  padding: 0.4375rem 0.625rem;
  background: hsl(var(--background));
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid hsl(var(--primary) / 0.35); outline-offset: 0;
  border-color: hsl(var(--primary));
}
textarea { resize: vertical; }
.inline-form { display: inline; }
.inline-fields { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.inline-fields input[type="text"], .inline-fields input[type="url"] { width: auto; flex: 1 1 10rem; }
.inline-fields select { width: auto; }
.check-label { display: inline-flex; align-items: center; gap: 0.25rem; font-size: 0.8125rem; }
.row-actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }

/* Tables */
.table { border-collapse: collapse; width: 100%; font-size: 0.875rem; }
.table th {
  text-align: left; padding: 0.4375rem 0.625rem;
  border-bottom: 2px solid hsl(var(--border));
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em;
  color: hsl(var(--muted-foreground));
}
.table td { padding: 0.4375rem 0.625rem; border-bottom: 1px solid hsl(var(--border)); vertical-align: top; }
.row-inactive { opacity: 0.55; }

/* Inbox */
.inbox-group { margin: 1.25rem 0; }
.group-head { display: flex; align-items: baseline; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.375rem; }
.group-name { font-weight: 600; font-size: 1rem; color: hsl(var(--foreground)); }
.signal-card { margin: 0.5rem 0; }
.signal-card.highlighted, .signal-card.kb-active { border-color: hsl(var(--primary)); box-shadow: 0 0 0 1px hsl(var(--primary) / 0.4); }
.signal-head { display: flex; align-items: center; gap: 0.4375rem; flex-wrap: wrap; }
.signal-rule { font-weight: 600; font-size: 0.875rem; }
.signal-meta { margin-left: auto; color: hsl(var(--muted-foreground)); font-size: 0.75rem; white-space: nowrap; }
.signal-evidence { margin: 0.375rem 0; font-size: 0.875rem; }
.source-link { font-size: 0.75rem; color: hsl(var(--muted-foreground)); margin-left: 0.25rem; }
.signal-actions { display: flex; gap: 0.375rem; align-items: flex-start; flex-wrap: wrap; margin-top: 0.5rem; }
.bulk-check { width: auto; }

/* Dropdowns (details/summary) */
.dropdown { position: relative; display: inline-block; }
.dropdown summary { list-style: none; }
.dropdown summary::-webkit-details-marker { display: none; }
.dropdown-menu {
  position: absolute; z-index: 30; margin-top: 0.25rem;
  background: hsl(var(--card)); border: 1px solid hsl(var(--border));
  border-radius: var(--radius); padding: 0.25rem;
  box-shadow: 0 4px 16px hsl(224 20% 12% / 0.12);
  min-width: 10rem;
}
.dropdown-wide { min-width: 16rem; padding: 0.625rem; }
.dropdown-item {
  display: block; width: 100%; text-align: left;
  padding: 0.3125rem 0.625rem; border: 0; background: none;
  font-size: 0.8125rem; cursor: pointer; border-radius: calc(var(--radius) - 4px);
}
.dropdown-item:hover { background: hsl(var(--accent)); }

/* Bulk bar */
.bulk-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 40;
  display: flex; gap: 0.625rem; align-items: center; justify-content: center;
  background: hsl(var(--card)); border-top: 1px solid hsl(var(--border));
  padding: 0.625rem 1rem; box-shadow: 0 -4px 16px hsl(224 20% 12% / 0.08);
}
.bulk-bar select { width: auto; }
.bulk-count { font-size: 0.875rem; font-weight: 600; }

/* Keyboard legend */
.kb-legend {
  margin: 0.5rem 0; padding: 0.5rem 0.75rem;
  background: hsl(var(--muted)); border-radius: var(--radius);
  font-size: 0.8125rem; color: hsl(var(--muted-foreground));
}
kbd {
  background: hsl(var(--card)); border: 1px solid hsl(var(--border));
  border-radius: 4px; padding: 0 0.3125rem; font-size: 0.75rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* Draft panel */
.draft-panel { border-color: hsl(var(--success) / 0.5); }
.draft-panel textarea { font-family: inherit; margin: 0.375rem 0; }
.draft-meta { display: flex; gap: 0.625rem; align-items: center; flex-wrap: wrap; }
.draft-pre { white-space: pre-wrap; font-family: inherit; font-size: 0.8125rem; background: hsl(var(--muted)); padding: 0.5rem 0.625rem; border-radius: calc(var(--radius) - 2px); }

/* Autocomplete */
.autocomplete { position: relative; }
.autocomplete-list {
  position: absolute; z-index: 30; left: 0; right: 0; margin: 0.125rem 0 0; padding: 0.25rem;
  list-style: none; background: hsl(var(--card));
  border: 1px solid hsl(var(--border)); border-radius: var(--radius);
  box-shadow: 0 4px 16px hsl(224 20% 12% / 0.12);
  max-height: 14rem; overflow-y: auto;
}
.autocomplete-list li {
  padding: 0.375rem 0.625rem; cursor: pointer; border-radius: calc(var(--radius) - 4px);
  font-size: 0.875rem;
}
.autocomplete-list li:hover, .autocomplete-list li.active { background: hsl(var(--accent)); }
.autocomplete-list .seg { color: hsl(var(--muted-foreground)); font-size: 0.75rem; margin-left: 0.375rem; }

/* Misc */
.login-box { max-width: 22rem; margin: 12vh auto 0; }
.tabs { display: flex; gap: 0.25rem; border-bottom: 1px solid hsl(var(--border)); margin: 0.75rem 0 1rem; }
.tab { padding: 0.4375rem 0.875rem; font-size: 0.875rem; color: hsl(var(--muted-foreground)); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab:hover { text-decoration: none; color: hsl(var(--foreground)); }
.tab.active { color: hsl(var(--foreground)); font-weight: 600; border-bottom-color: hsl(var(--primary)); }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline-item { padding: 0.625rem 0; border-bottom: 1px solid hsl(var(--border)); }
.timeline-item:last-child { border-bottom: 0; }
.action-note { display: flex; gap: 0.5rem; align-items: center; margin: 0.25rem 0 0 0.5rem; flex-wrap: wrap; }
.study { padding: 0.5rem 0; border-bottom: 1px solid hsl(var(--border)); }
.study:last-child { border-bottom: 0; }
.study-nct { font-weight: 600; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.8125rem; }
.snapshot-list { margin: 0.25rem 0 0; padding-left: 1.125rem; }
.suggestion { background: hsl(var(--muted)); border-radius: calc(var(--radius) - 2px); padding: 0.5rem 0.625rem; font-size: 0.875rem; display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.meeting-list { list-style: none; margin: 0; padding: 0; }
.meeting-list li { padding: 0.3125rem 0; }
.meeting-toggle { display: flex; align-items: center; gap: 0.4375rem; font-size: 0.875rem; flex-wrap: wrap; }
.meeting-toggle input[type="checkbox"] { width: auto; }
.detection-row { background: hsl(var(--muted)); }
.json-status.invalid { color: hsl(var(--destructive)); }
.account-form input, .account-form select { max-width: 100%; }