@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap");

/* ── Design tokens ─────────────────────────────────────────────────────────── */
:root {
  --bg:           #0d1117;
  --bg-surface:   #161b22;
  --bg-elevated:  #1c2128;
  --bg-glass:     rgba(22, 27, 34, 0.7);
  --border:       #30363d;
  --border-muted: #21262d;
  --border-glow:  rgba(88, 166, 255, 0.35);

  --text:         #e6edf3;
  --text-muted:   #8b949e;
  --text-subtle:  #6e7681;

  --accent:       #58a6ff;
  --accent-glow:  rgba(88, 166, 255, 0.18);
  --accent-dim:   rgba(88, 166, 255, 0.08);

  --cyan:         #39d0d8;
  --cyan-dim:     rgba(57, 208, 216, 0.12);
  --purple:       #a855f7;
  --purple-dim:   rgba(168, 85, 247, 0.12);

  --critical:     #f85149;
  --critical-bg:  rgba(248, 81, 73, 0.12);
  --high:         #f0883e;
  --high-bg:      rgba(240, 136, 62, 0.12);
  --medium:       #f0c000;
  --medium-bg:    rgba(240, 192, 0, 0.12);
  --low:          #3fb950;
  --low-bg:       rgba(63, 185, 80, 0.12);

  --radius:     8px;
  --radius-lg:  14px;
  --radius-xl:  20px;
  --shadow:     0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg:  0 8px 48px rgba(0, 0, 0, 0.7);
  --sidebar-w:  240px;
}

/* ── Reset ─────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Keyframes ──────────────────────────────────────────────────────────────── */
@keyframes gradShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 8px rgba(88,166,255,0.3); }
  50%       { box-shadow: 0 0 24px rgba(88,166,255,0.6); }
}
@keyframes shimmer {
  from { background-position: -200% center; }
  to   { background-position: 200% center; }
}

/* ── Layout shell ──────────────────────────────────────────────────────────── */
.shell { display: flex; min-height: 100vh; }

/* ── Sidebar ────────────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: rgba(13, 17, 23, 0.95);
  border-right: 1px solid rgba(48, 54, 61, 0.6);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.sidebar-brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border-muted);
  position: relative;
  z-index: 2;
}

.sidebar-brand-title {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  background: linear-gradient(135deg, #58a6ff, #39d0d8, #a855f7);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradShift 4s ease infinite;
}

.sidebar-brand-sub {
  font-size: 11px;
  color: var(--text-subtle);
  margin-top: 3px;
  font-weight: 400;
}

.sidebar-nav {
  padding: 14px 10px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  position: relative;
  z-index: 2;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.18s ease;
  cursor: pointer;
  position: relative;
  border: 1px solid transparent;
}
.nav-link:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text);
  text-decoration: none;
  border-color: var(--border-muted);
}
.nav-link.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: rgba(88,166,255,0.25);
}
.nav-link.active::before {
  content: "";
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 3px;
  background: var(--accent);
  border-radius: 999px;
}
.nav-icon { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }

.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border-muted);
  position: relative;
  z-index: 2;
}
.sidebar-footer p { font-size: 11px; color: var(--text-subtle); line-height: 1.5; }

/* ── Main content ──────────────────────────────────────────────────────────── */
.main { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; }
.page-header {
  padding: 32px 36px 0;
  border-bottom: 1px solid var(--border-muted);
  padding-bottom: 20px;
  margin-bottom: 0;
}
.page-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.8px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-subtitle { font-size: 13px; color: var(--text-muted); margin-top: 5px; }
.page-body { padding: 28px 36px 48px; flex: 1; }

/* ── Animated Card ──────────────────────────────────────────────────────────── */
.acard {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  backdrop-filter: blur(12px);
  transition: border-color 0.2s ease;
}
.acard:hover { border-color: rgba(88,166,255,0.3); }

/* ── Metrics grid ──────────────────────────────────────────────────────────── */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.metric-value {
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.metric-label { font-size: 12px; color: var(--text-subtle); margin-top: 5px; }

.section-grid { display: grid; gap: 20px; }
.section-grid-2 { grid-template-columns: 1fr 1fr; }

/* ── Section label ──────────────────────────────────────────────────────────── */
.section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 14px;
}

/* ── Severity badges ───────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.4px;
  text-transform: uppercase; white-space: nowrap;
}
.badge-critical { background: var(--critical-bg); color: var(--critical); border: 1px solid rgba(248,81,73,0.3); }
.badge-high     { background: var(--high-bg);     color: var(--high);     border: 1px solid rgba(240,136,62,0.3); }
.badge-medium   { background: var(--medium-bg);   color: var(--medium);   border: 1px solid rgba(240,192,0,0.3); }
.badge-low      { background: var(--low-bg);       color: var(--low);      border: 1px solid rgba(63,185,80,0.3); }

/* ── Shiny button ──────────────────────────────────────────────────────────── */
.shiny-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 10px 20px; border-radius: var(--radius);
  font-family: inherit; font-size: 13px; font-weight: 700;
  cursor: pointer; border: none; outline: none;
  transition: opacity 0.2s, filter 0.2s;
  white-space: nowrap;
}
.shiny-btn:disabled { opacity: 0.45; cursor: not-allowed; filter: saturate(0.4); }

/* ── Form elements ─────────────────────────────────────────────────────────── */
.input-group { margin-bottom: 18px; }
.input-label {
  display: block; font-size: 11px; font-weight: 700;
  color: var(--text-muted); margin-bottom: 7px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.input {
  width: 100%; background: rgba(13,17,23,0.8);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); font-family: inherit; font-size: 14px;
  padding: 10px 14px;
  transition: border-color 0.18s, box-shadow 0.18s; outline: none;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.input-mono { font-family: "JetBrains Mono", monospace; font-size: 13px; letter-spacing: 0.02em; }

/* ── Drop zone ─────────────────────────────────────────────────────────────── */
.drop-zone {
  border: 2px dashed var(--border); border-radius: var(--radius-lg);
  padding: 36px; text-align: center; cursor: pointer;
  transition: all 0.22s ease; background: rgba(13,17,23,0.5);
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--accent); background: var(--accent-dim);
  box-shadow: 0 0 0 1px var(--accent-glow);
}
.dz-icon  { font-size: 40px; margin-bottom: 12px; }
.dz-title { font-size: 14px; font-weight: 700; color: var(--text); }
.dz-sub   { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.dz-file  { font-size: 12px; color: var(--cyan); margin-top: 10px; font-weight: 600; }

/* ── Table ─────────────────────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead { background: var(--bg-elevated); border-bottom: 1px solid var(--border); }
th {
  padding: 11px 14px; text-align: left;
  font-size: 11px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.6px; white-space: nowrap;
}
td { padding: 11px 14px; border-bottom: 1px solid var(--border-muted); color: var(--text); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(88,166,255,0.04); }
.cve-id { font-family: "JetBrains Mono", monospace; font-size: 12px; color: var(--accent); font-weight: 600; }

/* ── Score bar ─────────────────────────────────────────────────────────────── */
.score-bar-wrap { display: flex; align-items: center; gap: 10px; }
.score-bar-track { flex: 1; height: 5px; background: var(--bg-elevated); border-radius: 999px; overflow: hidden; }
.score-bar-fill  { height: 100%; border-radius: 999px; transition: width 0.7s cubic-bezier(0.22,1,0.36,1); }
.score-val { font-family: "JetBrains Mono", monospace; font-size: 12px; color: var(--text); min-width: 40px; text-align: right; }

/* ── Risk chips ────────────────────────────────────────────────────────────── */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 12px; border-radius: 8px;
  font-size: 12px; font-weight: 600; border: 1px solid;
  transition: transform 0.15s ease;
}
.chip:hover { transform: translateY(-1px); }
.chip-on  { color: var(--critical); background: var(--critical-bg); border-color: rgba(248,81,73,0.3); }
.chip-off { color: var(--text-subtle); background: var(--bg-elevated); border-color: var(--border); }

/* ── Spinner ───────────────────────────────────────────────────────────────── */
.spinner-wrap {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 16px; padding: 56px; color: var(--text-muted);
}
.spinner {
  width: 38px; height: 38px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ── State / empty boxes ───────────────────────────────────────────────────── */
.state-box {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 12px; padding: 56px; text-align: center;
  background: var(--bg-glass); border: 1px solid var(--border-muted);
  border-radius: var(--radius-lg); backdrop-filter: blur(8px);
  margin-top: 24px;
}
.state-icon  { font-size: 40px; }
.state-title { font-size: 16px; font-weight: 700; color: var(--text); }
.state-sub   { font-size: 13px; color: var(--text-muted); max-width: 400px; }

.error-box {
  background: var(--critical-bg); border: 1px solid rgba(248,81,73,0.3);
  border-radius: var(--radius); padding: 13px 16px;
  color: var(--critical); font-size: 13px; display: flex; gap: 8px; align-items: flex-start;
}

/* ── Inventory tags ────────────────────────────────────────────────────────── */
.inv-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.inv-tag {
  background: var(--cyan-dim); color: var(--cyan);
  border: 1px solid rgba(57,208,216,0.3); border-radius: 5px;
  padding: 2px 8px; font-size: 11px; font-weight: 600;
  transition: background 0.15s ease;
}
.inv-tag:hover { background: rgba(57,208,216,0.2); }

/* ── Chart container ────────────────────────────────────────────────────────── */
.chart-container { position: relative; height: 200px; }

/* ── Result card ────────────────────────────────────────────────────────────── */
.result-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 12px; margin-bottom: 18px; flex-wrap: wrap;
}
.result-cve-id { font-family: "JetBrains Mono", monospace; font-size: 22px; font-weight: 700; color: var(--accent); }
.result-badges { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.detail-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; margin: 18px 0; }
.di-label { font-size: 11px; color: var(--text-subtle); margin-bottom: 3px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; }
.di-value { font-size: 15px; font-weight: 700; color: var(--text); font-family: "JetBrains Mono", monospace; }

.desc-text {
  font-size: 13px; color: var(--text-muted); line-height: 1.75;
  border-top: 1px solid var(--border-muted); padding-top: 16px; margin-top: 8px;
}

/* ── Range ─────────────────────────────────────────────────────────────────── */
.range-wrap { display: flex; align-items: center; gap: 12px; }
input[type="range"] { flex: 1; accent-color: var(--accent); cursor: pointer; }
.range-val { font-family: "JetBrains Mono", monospace; font-size: 13px; color: var(--cyan); min-width: 52px; text-align: right; font-weight: 600; }

/* ── Divider ────────────────────────────────────────────────────────────────── */
.divider { height: 1px; background: var(--border-muted); margin: 20px 0; }

/* ── Info box ──────────────────────────────────────────────────────────────── */
.info-box {
  background: rgba(57,208,216,0.06); border: 1px solid rgba(57,208,216,0.2);
  border-radius: var(--radius); padding: 12px 16px; font-size: 12px;
  color: var(--cyan); line-height: 1.6;
}

/* ── Pipeline step ──────────────────────────────────────────────────────────── */
.pipeline-step { display: flex; gap: 14px; align-items: flex-start; padding: 10px 0; }
.pipeline-step + .pipeline-step { border-top: 1px solid var(--border-muted); }
.pipeline-icon { font-size: 22px; flex-shrink: 0; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: var(--bg); border: 1px solid var(--border-muted); border-radius: 8px; }
.pipeline-title { font-size: 13px; font-weight: 700; color: var(--text); }
.pipeline-desc  { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ── Status dot ────────────────────────────────────────────────────────────── */
.status-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
  display: inline-block;
}
.status-dot.online  { background: var(--low); box-shadow: 0 0 0 2px rgba(63,185,80,0.3); animation: pulse-glow 2s ease infinite; }
.status-dot.offline { background: var(--critical); }
.status-dot.pending { background: var(--text-subtle); }

/* ── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { margin-left: 0; }
  .page-body { padding: 16px; }
  .section-grid-2 { grid-template-columns: 1fr; }
  .page-header { padding: 20px 16px 16px; }
}