/* css/style.css - Dark-mode developer aesthetic for DWARF CFI Visualizer */

:root {
  --bg-primary: #090d13;
  --bg-secondary: #0d1117;
  --bg-tertiary: #161b22;
  --bg-hover: #21262d;
  --bg-active: #30363d;
  --border-color: #30363d;
  --border-subtle: #21262d;

  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;

  --accent-blue: #58a6ff;
  --accent-green: #3fb950;
  --accent-orange: #d29922;
  --accent-red: #f85149;
  --accent-purple: #bc8cff;
  --accent-cyan: #39c5cf;
  --accent-glow: rgba(88, 166, 255, 0.15);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "Cascadia Code", "Fira Code", Menlo, Consolas, monospace;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #1f6feb 0%, #238636 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-family: var(--font-mono);
  font-size: 14px;
  color: #fff;
  box-shadow: 0 0 12px rgba(35, 134, 54, 0.4);
}

.brand-text h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

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

.control-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.control-group label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

select, input, button, textarea {
  font-family: inherit;
  font-size: 0.85rem;
}

select {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 6px 12px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s, background-color 0.2s;
}

select:hover, select:focus {
  border-color: var(--accent-blue);
}

.btn {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 6px 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
  text-decoration: none;
}

.btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.btn-primary {
  background: #238636;
  border-color: rgba(240, 246, 252, 0.1);
  color: #fff;
}

.btn-primary:hover {
  background: #2ea043;
  color: #fff;
  box-shadow: 0 0 10px rgba(46, 160, 67, 0.4);
}

.btn-outline {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.78rem;
}

/* Main Container */
main {
  flex: 1;
  padding: 20px 24px;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
}

/* Input Section */
.input-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  margin-bottom: 20px;
}

.input-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.input-tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 14px;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all 0.2s;
}

.input-tab:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.input-tab.active {
  color: var(--accent-blue);
  background: var(--bg-tertiary);
  box-shadow: inset 0 -2px 0 var(--accent-blue);
}

.dropzone-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 20px;
  text-align: center;
  background: var(--bg-primary);
  cursor: pointer;
  transition: all 0.2s;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent-blue);
  background: rgba(88, 166, 255, 0.05);
}

.dropzone-icon {
  font-size: 2rem;
  margin-bottom: 8px;
  color: var(--accent-blue);
}

.dropzone-text {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.dropzone-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.hex-input-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hex-textarea {
  width: 100%;
  height: 110px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--accent-green);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 10px;
  resize: vertical;
  outline: none;
}

.hex-textarea:focus {
  border-color: var(--accent-blue);
}

.hex-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

/* Preset quick chips */
.preset-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  padding: 4px 12px;
  font-size: 0.78rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.chip:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: var(--bg-hover);
}

/* Telemetry & Stats Bar */
.telemetry-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  flex: 1;
  min-width: 160px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  font-weight: 600;
}

.stat-value {
  font-size: 1.15rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.stat-value.ok {
  color: var(--accent-green);
}

.stat-value.accent {
  color: var(--accent-blue);
}

/* Main View Tabs */
.view-nav {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
  overflow-x: auto;
  white-space: nowrap;
}

.view-tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 10px 18px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.view-tab:hover {
  color: var(--text-primary);
}

.view-tab.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

.badge {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2px 7px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 600;
}

/* View Sections */
.view-panel {
  display: none;
}

.view-panel.active {
  display: block;
}

/* Record Explorer */
.explorer-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
}

@media (max-width: 1000px) {
  .explorer-layout {
    grid-template-columns: 1fr;
  }
}

.record-list-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 14px;
  max-height: 700px;
  overflow-y: auto;
}

.panel-header {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.record-item {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.record-item:hover {
  border-color: var(--border-color);
  background: var(--bg-hover);
}

.record-item.selected {
  border-color: var(--accent-blue);
  background: rgba(88, 166, 255, 0.08);
  box-shadow: 0 0 8px rgba(88, 166, 255, 0.2);
}

.record-item-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.record-type-badge {
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.type-cie {
  background: rgba(188, 140, 255, 0.2);
  color: var(--accent-purple);
  border: 1px solid rgba(188, 140, 255, 0.4);
}

.type-fde {
  background: rgba(88, 166, 255, 0.2);
  color: var(--accent-blue);
  border: 1px solid rgba(88, 166, 255, 0.4);
}

.record-offset {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.record-details {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Detail Panel */
.record-detail-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.detail-section {
  margin-bottom: 20px;
}

.detail-section:last-child {
  margin-bottom: 0;
}

.detail-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.prop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.prop-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 12px;
}

.prop-key {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.prop-val {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  word-break: break-all;
}

/* Data Tables (Unwind Matrix, ELF Sections) */
.table-wrapper {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  max-height: 700px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-align: left;
}

.data-table th, .data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.data-table th {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table tr:hover td {
  background: var(--bg-hover);
}

.data-table tr.highlight td {
  background: rgba(88, 166, 255, 0.12);
  border-bottom-color: var(--accent-blue);
}

.cfa-col {
  color: var(--accent-green);
  font-weight: 700;
}

.reg-saved {
  color: var(--accent-orange);
  font-weight: 600;
}

.reg-undefined {
  color: var(--text-muted);
}

.reg-same {
  color: var(--text-secondary);
}

/* Disassembly View */
.disasm-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
}

.disasm-row {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all 0.15s;
}

.disasm-row:hover {
  border-color: var(--accent-blue);
  background: var(--bg-hover);
}

.disasm-offset {
  color: var(--text-muted);
  width: 70px;
}

.disasm-bytes {
  color: var(--text-secondary);
  width: 100px;
  font-size: 0.78rem;
}

.disasm-opcode {
  color: var(--accent-purple);
  font-weight: 700;
  width: 220px;
}

.disasm-desc {
  color: var(--text-primary);
  flex: 1;
}

/* Exception & Landing Pad Map */
.callsite-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--accent-blue);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.callsite-card.has-landing-pad {
  border-left-color: var(--accent-red);
}

.callsite-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.landing-pad-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.lp-present {
  background: rgba(248, 81, 73, 0.2);
  color: var(--accent-red);
  border: 1px solid rgba(248, 81, 73, 0.4);
}

.lp-none {
  background: var(--bg-tertiary);
  color: var(--text-muted);
}

/* Hex Inspector */
.hex-inspector-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  max-height: 600px;
  overflow-y: auto;
}

.hex-row {
  display: flex;
  gap: 16px;
  padding: 2px 4px;
}

.hex-addr {
  color: var(--text-muted);
  user-select: none;
  width: 80px;
}

.hex-bytes {
  display: grid;
  grid-template-columns: repeat(16, 24px);
  gap: 4px;
}

.hex-byte {
  text-align: center;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 2px;
}

.hex-byte:hover {
  background: var(--bg-hover);
  color: #fff;
}

.hex-byte.highlight {
  background: rgba(88, 166, 255, 0.4);
  color: #fff;
  font-weight: 700;
}

.hex-ascii {
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-left: 12px;
  user-select: none;
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 16px 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: auto;
}

footer a {
  color: var(--accent-blue);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Notification banner */
.alert-box {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-danger {
  background: rgba(248, 81, 73, 0.15);
  border: 1px solid var(--accent-red);
  color: var(--accent-red);
}

.alert-success {
  background: rgba(63, 185, 80, 0.15);
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
}