:root {
  --bg-main: #0a0e17;
  --bg-card: #121826;
  --bg-card-hover: #172033;
  --border-color: #232f48;
  --border-focus: #f59e0b;
  --text-main: #f9fafb;
  --text-muted: #94a3b8;
  --accent-amber: #f59e0b;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-crimson: #ef4444;
  --accent-purple: #8b5cf6;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

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

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

/* Header */
header.forge-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-badge {
  font-size: 22px;
  background: linear-gradient(135deg, #f59e0b, #ea580c);
  border-radius: 8px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.35);
}

.brand-text h1 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-text span {
  font-size: 11px;
  color: var(--accent-amber);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
}

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

.env-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(18, 24, 38, 0.8);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-family: var(--font-mono);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

/* Layout */
.app-layout {
  display: flex;
  flex: 1;
}

/* Sidebar Navigation */
aside.sidebar {
  width: 250px;
  background-color: #0d1320;
  border-right: 1px solid var(--border-color);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  border: none;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s;
  width: 100%;
}

.nav-btn:hover {
  background-color: var(--bg-card);
  color: var(--text-main);
}

.nav-btn.active {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  font-weight: 600;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.nav-icon {
  font-size: 16px;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.sidebar-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}

.sidebar-link:hover {
  color: var(--accent-cyan);
}

/* Content Area */
main.content-area {
  flex: 1;
  padding: 32px 40px;
  overflow-y: auto;
  max-width: 1300px;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.section-header {
  margin-bottom: 28px;
}

.section-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 14px;
}

/* Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--stat-accent, var(--accent-amber));
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.stat-value {
  font-size: 32px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-main);
}

.stat-sub {
  font-size: 12px;
  color: var(--accent-emerald);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Card & Panels */
.panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 28px;
}

.panel-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

label {
  font-size: 12.5px;
  font-weight: 600;
  color: #cbd5e1;
}

input, select, textarea {
  background-color: #0b111e;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 10px 14px;
  color: var(--text-main);
  font-size: 13.5px;
  font-family: inherit;
  transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-amber);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-forge {
  background: linear-gradient(135deg, #f59e0b, #ea580c);
  color: #fff;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

.btn-forge:hover {
  background: linear-gradient(135deg, #d97706, #c2410c);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #172033;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: #1e293b;
  border-color: #475569;
}

.btn-danger {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--accent-crimson);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
  background-color: var(--accent-crimson);
  color: #fff;
}

/* Code & Output Blocks */
pre.code-block {
  background-color: #070a10;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: #38bdf8;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 280px;
  margin-top: 12px;
}

/* Scanner Drop Area */
.scanner-dropzone {
  border: 2px dashed var(--border-color);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  background-color: rgba(18, 24, 38, 0.4);
  cursor: pointer;
  transition: all 0.2s;
}

.scanner-dropzone:hover, .scanner-dropzone.dragover {
  border-color: var(--accent-amber);
  background-color: rgba(245, 158, 11, 0.05);
}

.scan-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

/* Tables */
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

table.data-table th {
  text-align: left;
  padding: 12px 16px;
  background-color: #0d1320;
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  font-size: 12px;
  text-transform: uppercase;
}

table.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
}

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

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.badge-green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

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

.badge-purple {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
}

.badge-gray {
  background: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
}

.badge-cyan {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
}

/* Forge Modals */
.forge-modal {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  max-width: 580px;
  width: 90%;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1000;
}

.forge-modal::backdrop {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}

.close-btn:hover {
  color: var(--accent-crimson);
}

.form-select {
  width: 100%;
  background: #0b111e;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px;
  border-radius: 6px;
  font-size: 13.5px;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 11px;
}