:root {
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #334155;
  --bg-input: #0f172a;
  --border-color: #334155;
  --border-accent: #059669;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --brand: #10b981;
  --brand-hover: #059669;
  --brand-glow: rgba(16, 185, 129, 0.25);
  
  --accent-blue: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --glass: rgba(30, 41, 59, 0.7);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  background-image: 
    radial-gradient(at 10% 10%, rgba(16, 185, 129, 0.08) 0px, transparent 50%),
    radial-gradient(at 90% 90%, rgba(59, 130, 246, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Layout */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

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

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--brand), var(--accent-blue));
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 22px;
  color: white;
  box-shadow: 0 0 15px var(--brand-glow);
}

.brand-text h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand-text p {
  font-size: 12px;
  color: var(--text-secondary);
}

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

.status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 13px;
}

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

.status-dot.active {
  background: var(--brand);
  box-shadow: 0 0 8px var(--brand);
}

/* Tabs */
.tabs-nav {
  display: flex;
  gap: 8px;
  background: var(--bg-card);
  padding: 6px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
  overflow-x: auto;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  background: var(--brand);
  color: white;
  box-shadow: 0 4px 12px var(--brand-glow);
}

/* Tab Contents */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.25s ease-in-out;
}

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

/* Grid & Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
}

.metric-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 22px;
  background: rgba(255, 255, 255, 0.05);
}

.metric-data .metric-value {
  font-size: 24px;
  font-weight: 700;
}

.metric-data .metric-label {
  font-size: 12px;
  color: var(--text-secondary);
}

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

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.panel-title {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Product Cards Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.product-card:hover {
  border-color: var(--brand);
  transform: translateY(-2px);
}

.product-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.product-name {
  font-size: 18px;
  font-weight: 700;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.badge-success { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.badge-muted { background: rgba(148, 163, 184, 0.2); color: #94a3b8; }
.badge-warning { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.badge-danger { background: rgba(239, 68, 68, 0.2); color: #f87171; }

.product-meta {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 2px var(--brand-glow);
}

.input-mono {
  font-family: var(--font-mono);
}

textarea.input {
  min-height: 100px;
  resize: vertical;
}

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

.btn-primary {
  background: var(--brand);
  color: white;
}
.btn-primary:hover {
  background: var(--brand-hover);
  box-shadow: 0 4px 12px var(--brand-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-danger {
  background: var(--accent-red);
  color: white;
}
.btn-danger:hover {
  background: #dc2626;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Switches */
.switch-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  padding: 10px 0;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--border-color);
  transition: .3s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--brand);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

th {
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-secondary);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

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

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.mono {
  font-family: var(--font-mono);
}

/* Logs Stream */
.log-box {
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  max-height: 400px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.log-item {
  display: flex;
  gap: 12px;
  line-height: 1.4;
}

.log-time { color: var(--text-muted); }
.log-level-SUCCESS { color: #34d399; font-weight: bold; }
.log-level-INFO { color: #60a5fa; }
.log-level-WARNING { color: #fbbf24; }
.log-level-ERROR { color: #f87171; font-weight: bold; }

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 12px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--brand);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  animation: slideIn 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.toast.error { border-left-color: var(--accent-red); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* New Key Arrival Animations */
.badge-new {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
  animation: pulseAmber 1.8s infinite;
}

.badge-fresh {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid #10b981;
  animation: pulseGreen 1.5s infinite;
}

@keyframes pulseGreen {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

@keyframes pulseAmber {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.product-card.new-arrival {
  border-color: var(--brand);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.25);
}