/* DevRadar UI — mirrors the DevPulse/DevTrace platform look: GitHub palette,
   light by default with an automatic dark theme, a top-nav brand bar, and
   full-width page content. Adds DevRadar-specific severity visuals. */

:root {
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu,
    Cantarell, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    'Liberation Mono', 'Courier New', monospace;

  --page-bg: #ffffff;
  --surface: #ffffff;
  --surface-alt: #f6f8fa;
  --surface-hover: #eaeef2;
  --text: #1f2328;
  --muted: #656d76;
  --border: #d1d9e0;
  --accent: #0969da;
  --accent-hover: #0a5cc0;
  --link: #0969da;
  --ok: #1a7f37;
  --warn: #9a6700;
  --danger: #d1242f;
  --radius: 6px;
  --shadow: 0 1px 3px rgba(31,35,40,0.04), 0 1px 2px rgba(31,35,40,0.06);
  --focus-ring: 0 0 0 3px rgba(9,105,218,0.3);

  /* Severity scale — shared by bars, badges, rows. */
  --sev-critical: #cf222e;
  --sev-high: #bc4c00;
  --sev-medium: #9a6700;
  --sev-low: #0969da;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page-bg: #0c1017;
    --surface: #171a22;
    --surface-alt: #171a22;
    --surface-hover: #1f2330;
    --text: #e6edf3;
    --muted: #8b949e;
    --border: #242836;
    --accent: #4a9eff;
    --accent-hover: #6cb0ff;
    --link: #4a9eff;
    --ok: #3fb950;
    --warn: #d29922;
    --danger: #f85149;
    --shadow: none;
    --focus-ring: 0 0 0 3px rgba(74,158,255,0.22);
    --sev-critical: #f85149;
    --sev-high: #ff8c42;
    --sev-medium: #eab308;
    --sev-low: #4a9eff;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--page-bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Top nav (brand bar) ───────────────────────────────────────────────────── */
.top-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 30px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.top-nav-brand {
  font-size: 1.15rem; font-weight: 700; color: var(--text);
  display: flex; align-items: center; gap: 0.45rem;
}
.top-nav-brand:hover { color: var(--accent); text-decoration: none; }
.top-nav-brand .accent { color: var(--accent); }
.nav-logo {
  width: 1.4em; height: 1.4em; fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.nav-right { display: flex; align-items: center; gap: 0.9rem; color: var(--muted); font-size: 0.9rem; }

/* Tab bar (center of the top nav) */
.tabs { display: flex; gap: 0.25rem; margin-right: auto; margin-left: 1.5rem; }
.tab {
  color: var(--muted); text-decoration: none; font-size: 0.95rem; font-weight: 500;
  padding: 0.4rem 0.8rem; border-radius: var(--radius); line-height: 1;
}
.tab:hover { color: var(--text); background: var(--surface-alt); text-decoration: none; }
.tab.active { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); }

/* Account (avatar) menu */
.user-menu-wrap { position: relative; }
.user-avatar-btn {
  background: none; border: 2px solid transparent; border-radius: 50%; padding: 0; cursor: pointer;
}
.user-avatar-btn:hover { border-color: var(--accent); }
.user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 0.9rem; text-transform: uppercase;
}
.user-menu {
  position: absolute; top: 100%; right: 0; margin-top: 8px; z-index: 1000;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  min-width: 220px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); overflow: hidden;
}
.user-menu[hidden] { display: none; }
.user-menu-header { padding: 12px 16px; font-size: 0.85rem; color: var(--muted); word-break: break-all; }
.user-menu-divider { border-top: 1px solid var(--border); }
.user-menu-item {
  display: block; width: 100%; padding: 10px 16px; background: none; border: none;
  text-align: left; cursor: pointer; font-size: 0.9rem; color: var(--text);
  text-decoration: none; font-family: inherit;
}
.user-menu-item:hover { background: var(--surface-alt); text-decoration: none; }
.user-menu-signout { color: var(--danger); }

/* Filter bar (CVEs page) */
.filterbar {
  display: flex; align-items: end; gap: 0.75rem 1rem; flex-wrap: wrap;
  margin: 1rem 0 0.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border);
}
/* A labeled field: caption on top, control below. The caption reserves a line so
   every control's bottom edge lines up whether or not it has a caption. */
.filterbar .field { display: flex; flex-direction: column; gap: 0.3rem; }
.filterbar .field-cap { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
/* Uniform control height across selects + buttons so nothing looks ragged. */
.filterbar select,
.filterbar .btn {
  height: 2.25rem; box-sizing: border-box; margin: 0;
  display: inline-flex; align-items: center;
}
.filterbar .btn { padding: 0 1rem; }
.filterbar select { min-width: 8rem; }
/* Checkboxes: group them and center each with its label on the control line. */
.filterbar .checks { display: flex; align-items: center; gap: 1rem; height: 2.25rem; }
.filterbar .chk { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; color: var(--text); cursor: pointer; }
.filterbar .chk input { margin: 0; }
.filelabel { cursor: pointer; }
.vex-just { margin-top: 0.15rem; }
.vex-partial {
  display: inline-block; margin-left: 0.3rem; padding: 0 0.4rem; border-radius: 999px;
  font-size: 0.68rem; font-weight: 600; color: var(--warn);
  border: 1px solid color-mix(in srgb, var(--warn) 40%, transparent);
}

/* Unified search box (Overview + Images) */
.searchbar { display: flex; gap: 0.5rem; margin: 1.25rem 0; }
.searchbar input[type=search] {
  flex: 1; padding: 0.6rem 0.9rem; font-size: 1rem; font-family: var(--font);
  background: var(--page-bg); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.searchbar input:focus { outline: none; border-color: var(--accent); box-shadow: var(--focus-ring); }

@media (max-width: 640px) {
  .tabs { margin-left: 0.5rem; }
  .tab { padding: 0.4rem 0.5rem; font-size: 0.85rem; }
}

/* ── Page content ──────────────────────────────────────────────────────────── */
.page-content { width: 100%; max-width: 76rem; margin: 0 auto; padding: 30px; }
.page-content.narrow { max-width: 42rem; }
.page-title { font-size: 1.5rem; letter-spacing: -0.01em; margin-bottom: 0.25rem; }
.sub { color: var(--muted); margin-bottom: 1.5rem; }
h1 .accent { color: var(--accent); }

/* Cards / articles */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-top: 1.5rem;
}
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.card-head h2 { margin: 0; font-size: 1.05rem; }
.card-head .sev { display: flex; align-items: center; gap: 0.5rem; }

/* Forms */
form.row { display: flex; gap: 0.5rem; margin-top: 1.25rem; }
form.inline { display: inline; }
input[type=email], input[type=text] {
  flex: 1; padding: 0.6rem 0.75rem;
  background: var(--page-bg); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 1rem; font-family: var(--font);
}
input::placeholder { color: var(--muted); }
input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: var(--focus-ring); }
select {
  padding: 0.4rem 0.6rem; background: var(--page-bg); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius); font-family: var(--font);
}

.btn {
  background: var(--accent); color: #fff; border: 0;
  padding: 0.55rem 1.1rem; border-radius: var(--radius);
  font-weight: 600; font-size: 0.95rem; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--accent-hover); }
.btn.secondary { background: var(--surface-alt); color: var(--text); border: 1px solid var(--border); }
.btn.secondary:hover { background: var(--surface-hover); }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--border); padding: 0.3rem 0.7rem; font-size: 0.85rem; }
.btn.danger:hover { background: rgba(207,34,46,0.1); }

/* Messages */
.msg { margin: 1rem 0; padding: 0.75rem 1rem; border-radius: var(--radius); border: 1px solid var(--border); }
.msg.err { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); background: color-mix(in srgb, var(--danger) 8%, transparent); }
.msg.ok  { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); background: color-mix(in srgb, var(--ok) 8%, transparent); }
.muted { color: var(--muted); }

/* Tables */
table { width: 100%; border-collapse: collapse; margin-top: 1.25rem; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.6rem 0.5rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
td.num, th.num { text-align: right; white-space: nowrap; }

code {
  font-family: var(--font-mono);
  background: var(--surface-alt); border: 1px solid var(--border);
  padding: 0.15rem 0.4rem; border-radius: 4px; word-break: break-all; font-size: 0.9rem;
}

/* ── Stat cards ────────────────────────────────────────────────────────────── */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 1.5rem; }
.stat {
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow);
  border-radius: var(--radius); padding: 1.1rem 1.25rem;
  display: flex; flex-direction: column; gap: 0.25rem;
}
.stat-n { font-size: 1.9rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1; }
.stat-l { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-n.danger-n { color: var(--danger); }
.stat-n.ok-n { color: var(--ok); }
.stat-n.kev-n { color: var(--danger); }
.stats-5 { grid-template-columns: repeat(5, 1fr); }

/* KEV badge — the strongest "patch now" signal, so it's the loudest. */
.kev-badge {
  display: inline-block; padding: 0.1rem 0.45rem; border-radius: 4px;
  background: var(--danger); color: #fff; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.03em;
}
td.small .tag { font-size: 0.72rem; }

/* VEX status badge + suppressed-row dimming */
.vex-badge {
  display: inline-block; padding: 0.1rem 0.45rem; border-radius: 999px;
  font-size: 0.72rem; font-weight: 600; border: 1px solid var(--border); white-space: nowrap;
}
.vex-not_affected { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.vex-fixed        { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.vex-under_investigation { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.vex-affected     { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
tr.vexed td { opacity: 0.65; }

/* Sortable column headers — a clear affordance: dotted underline + a faint
   ⇅ hint on inactive columns, accent + arrow on the active one. */
a.sorth {
  color: var(--muted); text-decoration: none; white-space: nowrap; cursor: pointer;
  border-bottom: 1px dotted var(--border); padding-bottom: 1px;
}
a.sorth::after { content: " ⇅"; opacity: 0.35; font-size: 0.85em; }
a.sorth:hover { color: var(--accent); border-bottom-color: var(--accent); }
/* Active column shows its own ↑/↓ in the label, so drop the ⇅ hint + accent it. */
a.sorth.active { color: var(--accent); border-bottom-color: var(--accent); }
a.sorth.active::after { content: ""; }
th a.sorth { font: inherit; letter-spacing: inherit; text-transform: inherit; }

/* ── Image table + severity bar ────────────────────────────────────────────── */
table.images td { vertical-align: middle; }
.img-name { font-weight: 600; }
.img-meta { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.25rem; flex-wrap: wrap; font-size: 0.8rem; }
.tag {
  font-family: var(--font-mono); background: var(--surface-alt); border: 1px solid var(--border);
  border-radius: 4px; padding: 0.05rem 0.4rem; font-size: 0.78rem; color: var(--muted);
}
.flag { color: var(--warn); font-size: 0.78rem; }
.fix { color: var(--ok); }

.col-bar { width: 40%; }
.bar { display: flex; height: 0.75rem; width: 100%; border-radius: 4px; overflow: hidden; background: var(--surface-alt); }
.bar span { height: 100%; }
.sev-critical { background: var(--sev-critical); }
.sev-high     { background: var(--sev-high); }
.sev-medium   { background: var(--sev-medium); }
.sev-low      { background: var(--sev-low); }

/* ── Inline SVG charts (server-rendered, no JS) ───────────────────────────────── */
.chart { display: block; margin: 0.5rem 0 0.25rem; max-width: 100%; }
.chart-lbl  { fill: var(--text); font-size: 12px; font-family: var(--font); }
.chart-val  { fill: var(--muted); font-size: 12px; font-family: var(--font); }
.chart-xlbl { fill: var(--muted); font-size: 10px; font-family: var(--font-mono); }
.donut-total { fill: var(--text); font-size: 30px; font-weight: 700; font-family: var(--font); }
.donut-sub   { fill: var(--muted); font-size: 12px; font-family: var(--font); }

/* Two charts side by side; stack on narrow viewports. */
.chart-row { display: flex; gap: 1rem; align-items: stretch; margin-bottom: 1rem; }
.chart-row .chart-col { flex: 1 1 0; min-width: 0; margin-bottom: 0; }
@media (max-width: 820px) { .chart-row { flex-direction: column; } }

/* ── Image detail ──────────────────────────────────────────────────────────── */
.crumb { font-size: 0.85rem; margin-bottom: 0.5rem; }
.repo-full { font-family: var(--font-mono); font-size: 0.85rem; word-break: break-all; }
.chips { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.5rem; font-size: 0.85rem; }
.nowrap { white-space: nowrap; }
.loadmore { margin-top: 1rem; }

/* Event type + cause + severity badges (small pills) */
.evt, .cause, .sev-badge {
  display: inline-block; padding: 0.1rem 0.5rem; border-radius: 999px;
  font-size: 0.75rem; font-weight: 600; white-space: nowrap;
}
.evt-added    { background: color-mix(in srgb, var(--danger) 15%, transparent); color: var(--danger); }
.evt-resolved { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.evt-fixed    { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.evt-rerated  { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }

.cause { border: 1px solid var(--border); color: var(--muted); }
.cause-image   { border-color: color-mix(in srgb, var(--danger) 40%, transparent); color: var(--danger); }
.cause-db      { border-color: color-mix(in srgb, var(--accent) 40%, transparent); color: var(--accent); }
.cause-tooling { border-color: var(--border); color: var(--muted); }

.sev-badge { color: #fff; }
.sev-b-critical { background: var(--sev-critical); }
.sev-b-high     { background: var(--sev-high); }
.sev-b-medium   { background: var(--sev-medium); color: #1f2328; }
.sev-b-low      { background: var(--sev-low); }
.sev-b-negligible, .sev-b-unknown { background: var(--surface-hover); color: var(--muted); }

/* ── SBOM detail ───────────────────────────────────────────────────────────── */
.mono { font-family: var(--font-mono); font-weight: 400; font-size: 0.85em; }
.page-title .mono { font-size: 1rem; }
.stats-sev { grid-template-columns: repeat(4, 1fr); }
.filters { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.chip-toggle {
  display: inline-block; padding: 0.35rem 0.8rem; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted); font-size: 0.85rem; cursor: pointer;
}
.chip-toggle:hover { text-decoration: none; border-color: var(--accent); color: var(--accent); }
.chip-toggle.on { background: color-mix(in srgb, var(--ok) 15%, transparent); border-color: color-mix(in srgb, var(--ok) 40%, transparent); color: var(--ok); }
table.findings td { vertical-align: middle; }

/* ── Landing page (unauthenticated) ──────────────────────────────────────────── */
.landing { max-width: 64rem; }

.hero {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 2.5rem;
  align-items: center; margin: 1.5rem 0 2.5rem;
}
.hero-title { font-size: 2.6rem; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 1rem; }
.hero-sub { color: var(--muted); font-size: 1.1rem; line-height: 1.6; }
.hero-signin { margin-top: 0; }

.lp-section { margin: 2.5rem 0; }
.lp-h2 { font-size: 1.35rem; letter-spacing: -0.01em; margin-bottom: 1.25rem; }

.lp-grid { display: grid; gap: 1rem; }
.lp-grid-3 { grid-template-columns: repeat(3, 1fr); }
.lp-grid-2 { grid-template-columns: repeat(2, 1fr); }

/* Emphasized "core idea" cards */
.lp-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.25rem 1.4rem;
}
.lp-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.lp-card p { color: var(--muted); line-height: 1.55; }

/* Lighter feature cells */
.lp-feature {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.1rem 1.25rem; background: var(--surface-alt);
}
.lp-feature h3 { font-size: 0.98rem; margin-bottom: 0.4rem; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.lp-feature p { color: var(--muted); font-size: 0.92rem; line-height: 1.5; }
.lp-feature.soon { opacity: 0.85; border-style: dashed; }
.lp-feature .tag { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.04em; }

.lp-card code, .lp-feature code, .lp-steps code {
  font-family: var(--font-mono); font-size: 0.85em;
  background: var(--page-bg); border: 1px solid var(--border);
  border-radius: 4px; padding: 0.05rem 0.35rem;
}

/* How-it-works steps */
.lp-steps { list-style: none; display: grid; gap: 0.9rem; }
.lp-steps li { display: flex; gap: 0.9rem; align-items: flex-start; line-height: 1.5; }
.lp-steps li div { color: var(--muted); }
.lp-steps li strong { color: var(--text); }
.lp-step-n {
  flex: none; width: 1.8rem; height: 1.8rem; border-radius: 999px;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 0.9rem;
  display: grid; place-items: center;
}

.lp-note {
  border-left: 3px solid var(--accent); background: var(--surface-alt);
  border-radius: 0 var(--radius) var(--radius) 0; padding: 1rem 1.25rem;
}
.lp-note p { color: var(--muted); line-height: 1.6; }
.lp-note strong { color: var(--text); }

.lp-cta { text-align: center; padding: 1rem 0 0.5rem; }
.lp-cta-form { max-width: 30rem; margin: 1rem auto 0; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; gap: 1.5rem; }
  .lp-grid-3, .lp-grid-2 { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.1rem; }
}

/* ── Footer ────────────────────────────────────────────────────────────────── */
.page-footer {
  max-width: 76rem; margin: 2rem auto 0; padding: 1.5rem 30px;
  border-top: 1px solid var(--border); color: var(--muted); font-size: 0.8rem;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}

@media (max-width: 640px) {
  .stats, .stats-5 { grid-template-columns: repeat(2, 1fr); }
  .col-bar { display: none; }
  .page-content { padding: 20px 16px; }
  .top-nav { padding: 10px 16px; }
}