/* ==========================================================================
   STRATACORE // HYPERION ENCLAVE FABRIC
   Forensic System Investigation Workspace Design System
   ========================================================================== */

:root {
  /* Color Palette - Deep Obsidian & Technical Slate */
  --bg-app: #06090e;
  --bg-surface: #0c1017;
  --bg-card: #111824;
  --bg-card-elevated: #162030;
  --bg-input: #080c13;
  --bg-hover: #1c283c;

  --border-subtle: #1a2538;
  --border-default: #25334c;
  --border-focus: #38bdf8;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #030712;

  /* Accent & Telemetry */
  --cyan-500: #06b6d4;
  --cyan-400: #22d3ee;
  --cyan-glow: rgba(34, 211, 238, 0.15);

  --emerald-500: #10b981;
  --emerald-400: #34d399;
  --emerald-glow: rgba(16, 185, 129, 0.15);

  --rose-500: #f43f5e;
  --rose-400: #fb7185;
  --rose-glow: rgba(244, 63, 94, 0.15);

  --amber-500: #f59e0b;
  --indigo-500: #6366f1;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Menlo, monospace;

  /* Spacing & Radii */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ==========================================================================
   Layout Architecture
   ========================================================================== */

.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-glyph {
  font-size: 18px;
  color: var(--cyan-400);
  line-height: 1;
  text-shadow: 0 0 8px var(--cyan-glow);
}

.brand-title {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  line-height: 1.2;
}

.brand-subtitle {
  display: block;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-muted);
}

.status-dot.active {
  background-color: var(--emerald-400);
  box-shadow: 0 0 6px var(--emerald-glow);
}

.status-dot.terminated {
  background-color: var(--rose-500);
  box-shadow: 0 0 6px var(--rose-glow);
}

.status-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.header-actions {
  display: flex;
  gap: 8px;
}

/* App Body Grid */
.app-body {
  display: grid;
  grid-template-columns: 320px 1fr;
  flex: 1;
  min-height: calc(100vh - 160px);
}

/* ==========================================================================
   Sidebar: Discovered Evidence Inventory
   ========================================================================== */

.app-sidebar {
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  max-height: calc(100vh - 160px);
}

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.sidebar-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.sidebar-description {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-content {
  padding: 12px;
  flex: 1;
}

.evidence-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.evidence-item {
  padding: 10px 12px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.evidence-item:hover {
  background-color: var(--bg-card-elevated);
  border-color: var(--border-default);
}

.evidence-item.selected {
  border-color: var(--cyan-400);
  background-color: var(--bg-card-elevated);
  box-shadow: 0 0 8px var(--cyan-glow);
}

.evidence-item-id {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan-400);
  margin-bottom: 2px;
}

.evidence-item-classification {
  font-size: 11px;
  color: var(--text-secondary);
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.evidence-item-source {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Empty Placeholder */
.empty-placeholder {
  padding: 32px 16px;
  text-align: center;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 24px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.empty-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.empty-text {
  font-size: 12px;
  line-height: 1.4;
}

/* ==========================================================================
   Primary Investigation Workspace
   ========================================================================== */

.app-main {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
  max-height: calc(100vh - 160px);
}

.section-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.section-title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--cyan-400);
  letter-spacing: 0.05em;
}

/* Route Exploration Form */
.route-form {
  display: flex;
  gap: 12px;
}

.route-input-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  background-color: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 0 12px;
  transition: border-color var(--transition-fast);
}

.route-input-wrapper:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 1px var(--border-focus);
}

.route-prefix {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan-400);
  user-select: none;
}

.route-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 6px;
  outline: none;
}

.route-form-actions {
  display: flex;
  gap: 8px;
}

/* Evidence Viewer */
.viewer-empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
}

.metadata-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  background-color: var(--bg-card);
  padding: 12px 16px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.meta-item {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.meta-value {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  word-break: break-all;
}

.correlation-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.correlation-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
}

.correlation-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--cyan-400);
}

/* Structured Content Tree */
.structured-viewer {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
}

.tree-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 8px;
  background-color: var(--bg-surface);
}

.tree-key {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  color: var(--cyan-400);
  margin-bottom: 4px;
}

.tree-value {
  font-size: 13px;
  color: var(--text-secondary);
  word-break: break-word;
}

.tree-list {
  list-style: disc inside;
  padding-left: 4px;
}

.tree-list-item {
  margin-bottom: 4px;
  font-size: 13px;
  color: var(--text-secondary);
}

.raw-json-viewer {
  font-family: var(--font-mono);
  font-size: 12px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  color: var(--text-primary);
  overflow-x: auto;
  max-height: 400px;
}

/* Final Evaluation Submission */
.submission-instruction {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.submission-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.submission-textarea {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 12px;
  outline: none;
  resize: vertical;
  transition: border-color var(--transition-fast);
}

.submission-textarea:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 1px var(--border-focus);
}

.submission-actions {
  display: flex;
  justify-content: flex-end;
}

.submission-outcome {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-default);
  background-color: var(--bg-card);
}

.submission-outcome.accepted {
  border-color: var(--emerald-500);
  background-color: rgba(16, 185, 129, 0.08);
}

.submission-outcome.not-accepted {
  border-color: var(--rose-500);
  background-color: rgba(244, 63, 94, 0.08);
}

.submission-outcome.error {
  border-color: var(--amber-500);
  background-color: rgba(245, 158, 11, 0.08);
}

.outcome-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.outcome-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.outcome-message {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ==========================================================================
   Footer: Operational Runtime Console
   ========================================================================== */

.app-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  height: 160px;
  display: flex;
  flex-direction: column;
}

.console-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 10px 16px;
}

.console-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border-subtle);
}

.console-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.console-indicator {
  font-size: 10px;
  color: var(--emerald-400);
}

.console-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.console-logs {
  flex: 1;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.log-entry {
  display: flex;
  gap: 8px;
}

.log-time {
  color: var(--text-muted);
  user-select: none;
}

.log-tag {
  font-weight: 600;
}

.log-tag-system { color: var(--indigo-500); }
.log-tag-dispatch { color: var(--cyan-400); }
.log-tag-evidence { color: var(--emerald-400); }
.log-tag-eval { color: var(--amber-500); }
.log-tag-error { color: var(--rose-400); }

.log-msg {
  color: var(--text-primary);
}

/* ==========================================================================
   Common Elements (Buttons, Badges, Helpers)
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:focus-visible {
  box-shadow: 0 0 0 2px var(--border-focus);
}

.btn-primary {
  background-color: var(--cyan-500);
  color: var(--text-inverse);
}

.btn-primary:hover {
  background-color: var(--cyan-400);
  box-shadow: 0 0 10px var(--cyan-glow);
}

.btn-secondary {
  background-color: var(--bg-card);
  border-color: var(--border-default);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-hover);
  border-color: var(--text-secondary);
}

.btn-danger {
  background-color: var(--bg-card);
  border-color: var(--border-default);
  color: var(--rose-400);
}

.btn-danger:hover {
  background-color: rgba(244, 63, 94, 0.15);
  border-color: var(--rose-500);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 11px;
}

.btn-xs {
  padding: 2px 6px;
  font-size: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-card);
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
}

.badge-primary {
  background-color: var(--cyan-glow);
  border-color: var(--cyan-500);
  color: var(--cyan-400);
}

.badge-success {
  background-color: var(--emerald-glow);
  border-color: var(--emerald-500);
  color: var(--emerald-400);
}

.badge-danger {
  background-color: var(--rose-glow);
  border-color: var(--rose-500);
  color: var(--rose-400);
}

.badge-warning {
  background-color: rgba(245, 158, 11, 0.15);
  border-color: var(--amber-500);
  color: var(--amber-500);
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

@media (max-width: 960px) {
  .app-body {
    grid-template-columns: 1fr;
  }
  .app-sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    max-height: 240px;
  }
  .metadata-grid {
    grid-template-columns: 1fr 1fr;
  }
}