/* ============================================================
   Logistics Hub & Automation System - Main Design System
   ============================================================ */

:root {
  --bg-dark: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --bg-card-hover: rgba(51, 65, 85, 0.8);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-focus: #3b82f6;
  
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-glow: rgba(59, 130, 246, 0.4);
  
  --accent: #8b5cf6;
  --accent-hover: #7c3aed;
  
  --success: #10b981;
  --success-hover: #059669;
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.25);
  
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Reset & Global */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

/* Glassmorphism Background Effect */
.glass-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: 
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.15), transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(139, 92, 246, 0.15), transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.08), transparent 50%);
  z-index: -1;
  pointer-events: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.hub-container {
  max-width: 1100px;
}

/* Header */
header {
  margin-bottom: 2.5rem;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.back-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
  margin-right: 0.5rem;
}

.back-link:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  transform: translateX(-3px);
}

.logo-icon {
  font-size: 2.2rem;
  line-height: 1;
}

header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  font-weight: 400;
}

/* Cards & Grid */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.grid-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 868px) {
  .grid-layout {
    grid-template-columns: 1fr;
  }
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.hub-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.hub-card {
  display: flex;
  gap: 1.25rem;
  height: 100%;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.hub-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.hub-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-glow);
  border-color: rgba(59, 130, 246, 0.4);
}

.hub-card:hover::before {
  opacity: 1;
}

.card-icon {
  font-size: 2.4rem;
  background: rgba(255, 255, 255, 0.05);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.card-body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-grow: 1;
}

.card-body h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.4rem;
}

.card-body p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.2rem;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  margin-top: auto;
}

.status-indicator.online {
  color: var(--success);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.action-text {
  color: var(--primary);
  font-weight: 600;
  transition: transform 0.2s ease;
}

.hub-card:hover .action-text {
  transform: translateX(4px);
  color: #fff;
}

/* Form Controls & Inputs */
h2 {
  font-size: 1.3rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.6rem;
}

.instruction {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

textarea, input[type="text"], input[type="file"], select {
  width: 100%;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  outline: none;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

textarea:focus, input[type="text"]:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: rgba(15, 23, 42, 0.85);
}

/* Buttons */
.control-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.btn {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: #fff;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: #fff;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

/* Progress Bar & Stats */
.progress-container {
  margin-bottom: 1.5rem;
}

.progress-bar-bg {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 0.6rem;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 100px;
  transition: width 0.3s ease;
}

.progress-stats {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.stat-item {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  margin-top: 0.2rem;
}

.stat-item.success .stat-value { color: var(--success); }
.stat-item.info .stat-value { color: var(--primary); }
.stat-item.warning .stat-value { color: var(--warning); }
.stat-item.danger .stat-value { color: var(--danger); }

/* Table Styling */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin-top: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

th {
  background: rgba(15, 23, 42, 0.8);
  color: var(--text-muted);
  font-weight: 600;
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

td {
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

/* Status Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Chrome Status Badge */
.chrome-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
}

.chrome-status.online {
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.4);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.35);
}

.chrome-status.offline {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.35);
  box-shadow: 0 0 12px rgba(239, 68, 68, 0.25);
}

.chrome-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: currentColor;
  display: inline-block;
}

.chrome-status.online .chrome-status-dot {
  box-shadow: 0 0 8px currentColor;
  animation: pulse-dot 1.8s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 0.5; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}

/* Footer */
footer {
  text-align: center;
  padding-top: 2rem;
  color: var(--text-dim);
  font-size: 0.88rem;
  border-top: 1px solid var(--border-color);
}