/* ============================================================
   Fuzz Dashboard — Design System v2
   ============================================================ */

/* === Reset & Tokens === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* Surfaces */
  --bg:          #0f1117;
  --surface:     #161b22;
  --surface-2:   #1c2333;
  --surface-3:   #242c3d;
  --border:      #30363d;
  --border-light:#3d444d;

  /* Text */
  --text:        #c9d1d9;
  --text-muted:  #8b949e;
  --text-bright: #f0f6fc;

  /* Accents */
  --blue:    #58a6ff;
  --green:   #3fb950;
  --red:     #da3633;
  --orange:  #f0883e;
  --purple:  #bc8cff;
  --yellow:  #d29922;
  --cyan:    #56d4dd;
  --pink:    #f778ba;

  /* Layout */
  --sidebar-w: 180px;
  --topbar-h:  56px;
  --radius:    8px;
  --radius-sm: 6px;

  /* Fonts */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.5;
  overflow: hidden;
  height: 100vh;
}

/* === Top Bar === */
#topbar {
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
  z-index: 100;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 160px;
}

.logo-icon {
  color: var(--blue);
}

.logo-text {
  font-weight: 700;
  font-size: 15px;
  color: var(--text-bright);
  letter-spacing: -0.3px;
}

.topbar-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

/* === Run Combobox === */
.run-combo {
  position: relative;
  min-width: 420px;
}

#run-input {
  width: 100%;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 32px 8px 14px;
  font-family: var(--mono);
  font-size: 12px;
  transition: border-color 0.2s;
}

#run-input::placeholder { color: var(--text-muted); }
#run-input:hover { border-color: var(--border-light); }
#run-input:focus { outline: none; border-color: var(--blue); }

.run-combo-chevron {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.run-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  max-height: 320px;
  overflow-y: auto;
  z-index: 100;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.run-dropdown-item {
  padding: 8px 14px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text);
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}

.run-dropdown-item:last-child { border-bottom: none; }
.run-dropdown-item:hover { background: var(--surface-3); }
.run-dropdown-item.active { background: var(--surface-3); border-left: 2px solid var(--blue); }
.run-dropdown-empty { color: var(--text-muted); cursor: default; }
.run-dropdown-empty:hover { background: transparent; }

.topbar-right { min-width: 160px; text-align: right; }

.session-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
}

/* === App Shell === */
#app-shell {
  display: flex;
  height: calc(100vh - var(--topbar-h));
}

/* === Sidebar === */
#sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-shrink: 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  user-select: none;
}

.nav-item:hover {
  background: var(--surface-2);
  color: var(--text);
}

.nav-item.active {
  background: var(--surface-2);
  color: var(--text-bright);
}

.nav-item.active svg { color: var(--blue); }

.nav-item svg { flex-shrink: 0; }

/* === Main Content === */
#content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  scroll-behavior: smooth;
}

/* === Tab Panels === */
.tab-panel {
  animation: fadeIn 0.2s ease;
}

.tab-panel.hidden { display: none; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.panel-header h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-bright);
}

.run-meta {
  font-size: 12px;
  font-family: var(--mono);
  color: var(--text-muted);
}

/* === Hero Cards === */
.hero-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}
.hero-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.15s;
}

.hero-card:hover {
  border-color: var(--border-light);
  transform: translateY(-1px);
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.hero-card.accent-blue::before    { background: var(--blue); }
.hero-card.accent-green::before   { background: var(--green); }
.hero-card.accent-red::before     { background: var(--red); }
.hero-card.accent-orange::before  { background: var(--orange); }
.hero-card.accent-purple::before  { background: var(--purple); }
.hero-card.accent-cyan::before    { background: var(--cyan); }
.hero-card.accent-orange::before  { background: var(--orange); }
.hero-card.accent-yellow::before  { background: var(--yellow); }
.hero-card.accent-muted::before   { background: var(--text-muted); }

.hero-card .card-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.hero-card .card-value {
  font-size: 26px;
  font-weight: 700;
  font-family: var(--mono);
  color: var(--text-bright);
  line-height: 1;
}

.hero-card .card-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* === Turn Activity Strip === */
.turn-activity-strip {
  display: flex;
  gap: 3px;
  padding: 4px 0 8px;
  overflow-x: auto;
}

.turn-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 0;
  flex: 1;
  position: relative;
}

.turn-col .turn-num {
  font-size: 9px;
  font-family: var(--mono);
  color: var(--text-muted);
  margin-bottom: 2px;
}

.turn-col .cat-cells {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
}

.turn-col .cat-cell {
  height: 14px;
  border-radius: 2px;
  transition: opacity 0.15s;
  position: relative;
}

.turn-col .cat-cell.empty {
  background: var(--surface-2);
  opacity: 0.4;
}

.turn-col:hover .cat-cell { opacity: 0.8; }
.turn-col:hover .cat-cell.empty { opacity: 0.2; }

.turn-col .crash-marker {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 6px rgba(218,54,51,0.6);
  margin-top: 3px;
}

.turn-col .crash-marker.novel {
  background: var(--green);
  box-shadow: 0 0 6px rgba(63,185,80,0.6);
}

.turn-tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 11px;
  white-space: nowrap;
  z-index: 50;
  color: var(--text);
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.turn-col:hover .turn-tooltip { display: block; }

.activity-legend {
  display: flex;
  gap: 14px;
  padding: 6px 0 0;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  color: var(--text-muted);
}

.legend-swatch {
  width: 12px;
  height: 10px;
  border-radius: 2px;
}

/* === Chart Panels === */
.chart-row {
  margin-bottom: 16px;
}

.chart-row.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.panel.full-width { width: 100%; }

.panel-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.chart-box {
  min-height: 280px;
}

/* === At a Glance === */
.at-a-glance {
  display: flex;
  gap: 14px;
  margin-top: 8px;
}

.glance-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
}

.glance-item .glance-val {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-bright);
}

.glance-item .glance-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* === Test Summary Bar === */
.test-summary-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.test-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.test-stat .stat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.test-stat .stat-val {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-bright);
}

.test-stat .stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* === Crash Strings === */
.crash-strings-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 16px;
}

.crash-strings-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.crash-strings-section h3 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.crash-count {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-bright);
  background: var(--surface-3);
  padding: 1px 8px;
  border-radius: 10px;
  margin-left: auto;
}

.crash-strings-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.crash-string-item {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  word-break: break-all;
  line-height: 1.5;
}

/* === Table === */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

th {
  background: var(--surface-3);
  color: var(--text-muted);
  padding: 10px 14px;
  text-align: left;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border-bottom: 1px solid var(--border);
  transition: color 0.15s;
}

th:hover { color: var(--text-bright); }
th.sorted { color: var(--blue); }

th .sort-icon {
  margin-left: 4px;
  opacity: 0.4;
  font-size: 10px;
}

th.sorted .sort-icon { opacity: 1; }

td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  color: var(--text);
}

td.wrap-cell {
  white-space: normal;
  word-break: break-word;
  min-width: 140px;
}

tr:nth-child(even) td { background: rgba(255,255,255,0.015); }
tr:hover td { background: var(--surface-2); }

/* Crash row indicator */
tr.crash-row td:first-child {
  box-shadow: inset 3px 0 0 var(--red);
}

/* === Badges === */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.badge-crash          { background: rgba(218,54,51,0.15); color: var(--red); }
.badge-publicly-known { background: rgba(210,153,34,0.15); color: var(--yellow); }
.badge-non-public     { background: rgba(188,140,255,0.15); color: var(--purple); }
.badge-novel          { background: rgba(63,185,80,0.15); color: var(--green); }
.badge-no-crash       { background: rgba(88,166,255,0.1); color: var(--blue); }
.badge-ok             { background: rgba(63,185,80,0.15); color: var(--green); }
.badge-fail           { background: rgba(218,54,51,0.15); color: var(--red); }

/* === Intel / Findings === */
.intel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.intel-section h3 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.finding-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 10px;
  transition: border-color 0.15s;
}

.finding-card:hover { border-color: var(--border-light); }

.finding-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.finding-id {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--blue);
  background: rgba(88,166,255,0.1);
  padding: 1px 7px;
  border-radius: 4px;
}

.finding-type {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--cyan);
}

.finding-ts {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: auto;
  font-family: var(--mono);
}

.finding-desc {
  font-size: 12px;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 8px;
}

.tags { display: flex; gap: 5px; flex-wrap: wrap; }

.tag {
  font-size: 10px;
  padding: 1px 7px;
  border-radius: 10px;
  background: rgba(88,166,255,0.08);
  color: var(--blue);
  border: 1px solid rgba(88,166,255,0.15);
}

/* === Strategy === */
.strategy-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 500px;
  overflow-y: auto;
}

#strategy-content {
  padding: 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.7;
}

/* === Expandable Test Rows === */
.test-row-clickable { cursor: pointer; }
.test-row-clickable:hover td { background: var(--surface-2); }

.test-detail-row td {
  padding: 0 !important;
  border-bottom: 1px solid var(--border);
  background: var(--bg) !important;
}

.test-code-container {
  padding: 12px 16px;
  max-height: 400px;
  overflow-y: auto;
}

.test-code-header {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.test-code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.6;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin: 0;
  overflow-x: auto;
}

/* === Reasoning === */
.reasoning-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 10px;
  transition: border-color 0.15s;
}

.reasoning-block:hover { border-color: var(--border-light); }

.reasoning-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.reasoning-idx {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--orange);
  background: rgba(240,136,62,0.1);
  padding: 1px 7px;
  border-radius: 4px;
}

.reasoning-ts {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: auto;
  font-family: var(--mono);
}

.reasoning-content {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.6;
  margin: 0;
}

/* === Empty / Loading States === */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60vh;
  gap: 16px;
  color: var(--text-muted);
}

.empty-state p { font-size: 15px; }

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 40vh;
  gap: 16px;
  color: var(--text-muted);
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.hidden { display: none !important; }

.no-data {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--text-muted);
  font-style: italic;
  font-size: 13px;
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* === Responsive === */
@media (max-width: 1100px) {
  .hero-row { grid-template-columns: repeat(3, 1fr); }
  .chart-row.two-col { grid-template-columns: 1fr; }
  .intel-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  #sidebar { width: 60px; }
  .nav-item span { display: none; }
  .hero-row { grid-template-columns: repeat(2, 1fr); }
}

/* === Sweep Tab === */
.sweep-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sweep-select {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  font-family: var(--mono);
  min-width: 300px;
}

.sweep-auto-label {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.sweep-progress-bar-container {
  position: relative;
  height: 28px;
  background: var(--surface-2);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 16px;
}

.sweep-progress-bar {
  height: 100%;
  border-radius: 6px;
  transition: width 0.5s ease;
  width: 0%;
}

.sweep-progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 12px;
  font-family: var(--mono);
  color: var(--text-bright);
  text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.sweep-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}