/* ==========================================================================
   AEGIS-ZERO TITAN — Sovereign Cyber Defense & Audit Command Center
   Theme: Bright Enterprise Cleanroom (Pure White + Emerald-Slate + Glass)
   Zero External Assets — 100% Self-Contained & Sovereign
   ========================================================================== */

:root {
  --bg-canvas: #f4f7f9;
  --bg-surface: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.86);
  --bg-muted: #f8fafc;
  --bg-subtle: #eef2f6;

  --ink-primary: #0f172a;
  --ink-secondary: #334155;
  --ink-muted: #64748b;
  --ink-faint: #94a3b8;

  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;
  --border-emerald: rgba(5, 150, 105, 0.28);

  --emerald-700: #047857;
  --emerald-600: #059669;
  --emerald-500: #10b981;
  --emerald-100: #d1fae5;
  --emerald-50: #ecfdf5;

  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;

  --sev-critical: #dc2626;
  --sev-critical-bg: #fef2f2;
  --sev-critical-border: #fecaca;

  --sev-high: #ea580c;
  --sev-high-bg: #fff7ed;
  --sev-high-border: #fed7aa;

  --sev-medium: #d97706;
  --sev-medium-bg: #fffbeb;
  --sev-medium-border: #fde68a;

  --sev-low: #0284c7;
  --sev-low-bg: #f0f9ff;
  --sev-low-border: #bae6fd;

  --sev-info: #0f766e;
  --sev-info-bg: #f0fdfa;
  --sev-info-border: #99f6e4;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 6px 20px -4px rgba(15, 23, 42, 0.07), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 16px 36px -8px rgba(15, 23, 42, 0.1);

  --font-sans: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", "Fira Code", Consolas, "Liberation Mono", Menlo, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 8%, rgba(15, 118, 110, 0.06) 0%, transparent 38%),
    var(--bg-canvas);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Header & Sovereign Command Bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.topbar-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-crest {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #064e3b 0%, #059669 55%, #0f172a 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(5, 150, 105, 0.25);
  flex-shrink: 0;
}

.brand-title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.brand-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--emerald-50);
  color: var(--emerald-700);
  border: 1px solid var(--border-emerald);
}

.brand-sub {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--ink-muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.passive-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--emerald-50);
  border: 1px solid var(--border-emerald);
  color: var(--emerald-700);
  font-size: 11.5px;
  font-weight: 600;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--emerald-500);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.22);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-medium);
  background: var(--bg-surface);
  color: var(--ink-primary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.16s ease;
  white-space: nowrap;
}

.btn:hover:not(:disabled) {
  border-color: var(--emerald-600);
  color: var(--emerald-700);
  background: var(--emerald-50);
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, #059669, #047857);
  border-color: #047857;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.24);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #047857, #065f46);
  color: #ffffff;
  border-color: #065f46;
}

.btn-slate {
  background: var(--slate-900);
  border-color: var(--slate-900);
  color: #ffffff;
}

.btn-slate:hover:not(:disabled) {
  background: var(--slate-800);
  border-color: var(--slate-800);
  color: #ffffff;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

/* ---------- Layout & Main Container ---------- */
.app-shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 24px 56px;
}

/* ---------- Executive Telemetry Strip ---------- */
.telemetry-grid {
  display: grid;
  grid-template-columns: 310px 1fr;
  gap: 18px;
  margin-bottom: 20px;
}

.glass-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.score-card {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.gauge-wrap {
  position: relative;
  width: 108px;
  height: 108px;
  flex-shrink: 0;
}

.gauge-svg {
  width: 108px;
  height: 108px;
  transform: rotate(-90deg);
}

.gauge-track {
  fill: none;
  stroke: var(--bg-subtle);
  stroke-width: 10;
}

.gauge-fill {
  fill: none;
  stroke: var(--emerald-600);
  stroke-width: 10;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s cubic-bezier(0.22, 1, 0.36, 1), stroke 0.3s ease;
}

.gauge-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.gauge-value {
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.gauge-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  margin-top: 3px;
}

.score-meta h2 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 800;
}

.grade-pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 700;
  background: var(--emerald-50);
  color: var(--emerald-700);
  border: 1px solid var(--border-emerald);
  margin-bottom: 6px;
}

.score-sub {
  margin: 0;
  font-size: 12px;
  color: var(--ink-muted);
}

.kpi-strip {
  padding: 16px 20px;
  display: grid;
  grid-template-columns: repeat(6, minmax(100px, 1fr));
  gap: 12px;
  align-items: stretch;
}

.kpi-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.kpi-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
}

.kpi-num {
  font-size: 24px;
  font-weight: 800;
  margin-top: 6px;
  line-height: 1.1;
}

.kpi-box.crit { border-left: 4px solid var(--sev-critical); }
.kpi-box.crit .kpi-num { color: var(--sev-critical); }
.kpi-box.high { border-left: 4px solid var(--sev-high); }
.kpi-box.high .kpi-num { color: var(--sev-high); }
.kpi-box.med  { border-left: 4px solid var(--sev-medium); }
.kpi-box.med .kpi-num  { color: var(--sev-medium); }
.kpi-box.low  { border-left: 4px solid var(--sev-low); }
.kpi-box.low .kpi-num  { color: var(--sev-low); }
.kpi-box.info { border-left: 4px solid var(--sev-info); }
.kpi-box.info .kpi-num { color: var(--sev-info); }
.kpi-box.pass { border-left: 4px solid var(--emerald-600); }
.kpi-box.pass .kpi-num { color: var(--emerald-700); }

/* ---------- Precision Tab Navigation ---------- */
.nav-tabs {
  display: flex;
  gap: 6px;
  padding: 6px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  overflow-x: auto;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 15px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink-secondary);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  background: var(--bg-muted);
  color: var(--ink-primary);
}

.tab-btn.active {
  background: linear-gradient(135deg, #064e3b, #059669);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.22);
}

.tab-count {
  font-size: 11px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
  color: inherit;
}

.tab-btn.active .tab-count {
  background: rgba(255, 255, 255, 0.22);
  color: #ffffff;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeSlide 0.2s ease-out;
}

@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Cards, Grids & Forms ---------- */
.panel-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.card-title {
  margin: 0;
  font-size: 15.5px;
  font-weight: 800;
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-desc {
  margin: 4px 0 0;
  font-size: 12.5px;
  color: var(--ink-muted);
}

.field-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-secondary);
  margin-bottom: 6px;
}

.input, .textarea, .select {
  width: 100%;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  background: var(--bg-muted);
  color: var(--ink-primary);
  font-family: inherit;
  font-size: 13px;
  padding: 9px 12px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input:focus, .textarea:focus, .select:focus {
  outline: none;
  background: var(--bg-surface);
  border-color: var(--emerald-600);
  box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.14);
}

.textarea.mono, .code-block {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

.input-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.mode-pills {
  display: inline-flex;
  padding: 3px;
  background: var(--bg-subtle);
  border-radius: 8px;
  gap: 4px;
  margin-bottom: 14px;
}

.mode-pill {
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--ink-secondary);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}

.mode-pill.active {
  background: var(--bg-surface);
  color: var(--emerald-700);
  box-shadow: var(--shadow-sm);
}

/* ---------- Dropzones ---------- */
.dropzone {
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  padding: 26px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.18s ease;
}

.dropzone:hover, .dropzone.drag-over {
  border-color: var(--emerald-600);
  background: var(--emerald-50);
}

.dropzone-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 10px;
  border-radius: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  color: var(--emerald-600);
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.file-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: var(--bg-muted);
  border: 1px solid var(--border-light);
  border-radius: 999px;
  font-size: 12px;
  font-family: var(--font-mono);
}

.file-chip button {
  border: none;
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  padding: 0 2px;
  font-weight: 700;
}

.file-chip button:hover {
  color: var(--sev-critical);
}

/* ---------- Alerts & Notices ---------- */
.notice {
  padding: 12px 15px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  border: 1px solid var(--border-light);
  background: var(--bg-muted);
  margin-bottom: 14px;
}

.notice.warn {
  background: #fffbeb;
  border-color: #fde68a;
  color: #92400e;
}

.notice.emerald {
  background: var(--emerald-50);
  border-color: var(--border-emerald);
  color: #065f46;
}

.notice.danger {
  background: var(--sev-critical-bg);
  border-color: var(--sev-critical-border);
  color: #991b1b;
}

/* ---------- Tables (CSP AST, Headers, STRIDE) ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

table.audit-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  background: var(--bg-surface);
}

.audit-table th {
  text-align: left;
  padding: 10px 12px;
  background: var(--bg-muted);
  color: var(--ink-secondary);
  font-weight: 700;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-light);
}

.audit-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}

.audit-table tr:last-child td {
  border-bottom: none;
}

/* ---------- Severity & Compliance Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  border: 1px solid transparent;
  white-space: nowrap;
}

.badge-CRITICAL { background: var(--sev-critical-bg); color: var(--sev-critical); border-color: var(--sev-critical-border); }
.badge-HIGH     { background: var(--sev-high-bg);     color: var(--sev-high);     border-color: var(--sev-high-border); }
.badge-MEDIUM   { background: var(--sev-medium-bg);   color: var(--sev-medium);   border-color: var(--sev-medium-border); }
.badge-LOW      { background: var(--sev-low-bg);      color: var(--sev-low);      border-color: var(--sev-low-border); }
.badge-INFO     { background: var(--sev-info-bg);     color: var(--sev-info);     border-color: var(--sev-info-border); }
.badge-PASS     { background: var(--emerald-50);      color: var(--emerald-700);  border-color: var(--border-emerald); }

.meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.std-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 5px;
  background: var(--bg-subtle);
  color: var(--ink-secondary);
  border: 1px solid var(--border-light);
}

/* ---------- Finding Cards & Taint Flow ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.finding-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--border-medium);
}

.finding-card.sev-CRITICAL { border-left-color: var(--sev-critical); }
.finding-card.sev-HIGH     { border-left-color: var(--sev-high); }
.finding-card.sev-MEDIUM   { border-left-color: var(--sev-medium); }
.finding-card.sev-LOW      { border-left-color: var(--sev-low); }
.finding-card.sev-INFO     { border-left-color: var(--sev-info); }

.finding-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
}

.finding-title {
  margin: 0;
  font-size: 14.5px;
  font-weight: 800;
  color: var(--ink-primary);
}

.finding-loc {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-muted);
  margin-top: 3px;
}

.taint-chain {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0;
  padding: 8px 12px;
  background: #f8fafc;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
}

.taint-node {
  padding: 2px 8px;
  border-radius: 5px;
  font-weight: 600;
}

.taint-node.src { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.taint-node.sink { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }

.evidence-box {
  margin: 10px 0;
  padding: 10px 12px;
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- Before vs After Code Diff ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 10px;
}

.diff-pane {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.diff-head {
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.diff-head.before { background: #fee2e2; color: #991b1b; }
.diff-head.after  { background: #d1fae5; color: #065f46; }

.diff-code {
  margin: 0;
  padding: 10px 12px;
  background: #0f172a;
  color: #f8fafc;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre;
}

/* ---------- Hex Dump & Artifact Forensics ---------- */
.hex-dump {
  background: #0f172a;
  color: #a7f3d0;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre;
}

.safe-preview-box {
  padding: 12px;
  background: var(--emerald-50);
  border: 1px solid var(--border-emerald);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-primary);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- Threat Model STRIDE & Trust Boundary ---------- */
.stride-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.stride-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 14px;
}

.stride-card h4 {
  margin: 0 0 6px;
  font-size: 13.5px;
  font-weight: 800;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.boundary-diagram {
  width: 100%;
  overflow-x: auto;
  padding: 14px;
  background: var(--bg-muted);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .telemetry-grid { grid-template-columns: 1fr; }
  .kpi-strip { grid-template-columns: repeat(3, 1fr); }
  .panel-grid-2 { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .stride-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .app-shell { padding: 14px 14px 40px; }
  .kpi-strip { grid-template-columns: repeat(2, 1fr); }
  .stride-grid { grid-template-columns: 1fr; }
  .input-row { flex-direction: column; align-items: stretch; }
}

@media print {
  .topbar-actions, .nav-tabs, .no-print { display: none !important; }
  body { background: #ffffff; }
  .tab-panel { display: block !important; page-break-inside: avoid; }
}