:root {
  --bg-main: #0b0f19;
  --bg-card: #121826;
  --bg-card-hover: #182235;
  --bg-input: #1a2234;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #d4af37;
  
  --primary: #d4af37;       /* Gold */
  --primary-hover: #e5c158;
  --primary-glow: rgba(212, 175, 55, 0.25);
  
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 20px var(--primary-glow);
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-card);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  height: 100vh;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #d4af37, #996515);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #000;
  box-shadow: var(--shadow-glow);
}

.brand-text h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #fff, #d4af37);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text p {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-menu {
  padding: 20px 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

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

.nav-item.active {
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.05));
  color: var(--primary);
  border-color: rgba(212, 175, 55, 0.3);
  font-weight: 600;
}

.nav-item .icon {
  font-size: 18px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

/* Main Content Area */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-x: hidden;
}

/* Header */
.top-header {
  height: 70px;
  background-color: rgba(18, 24, 38, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.page-title h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #d4af37, #b8860b);
  color: #0b0f19;
  box-shadow: 0 4px 12px rgba(212, 175, 55, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #e5c158, #c59b27);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(212, 175, 55, 0.35);
}

.btn-secondary {
  background-color: var(--bg-input);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-success {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border-color: rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  background-color: rgba(16, 185, 129, 0.25);
}

.btn-warning {
  background: linear-gradient(135deg, #f97316, #ea580c);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.25);
}

.btn-warning:hover {
  background: linear-gradient(135deg, #fb923c, #f97316);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(249, 115, 22, 0.35);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* Content Container */
.content {
  padding: 32px;
  flex: 1;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

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

/* Stat Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(212, 175, 55, 0.3);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-icon.gold { background: rgba(212, 175, 55, 0.15); color: var(--primary); }
.stat-icon.blue { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.stat-icon.green { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }

.stat-info .stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-info .stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-main);
}

/* Card Component */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
}

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-body {
  padding: 24px;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
}

.data-table th {
  background-color: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-weight: 600;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  text-transform: uppercase;
  font-size: 11.5px;
  letter-spacing: 0.5px;
}

.data-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background-color 0.15s;
}

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

/* Badges / Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-warning {
  background-color: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-info {
  background-color: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-gold {
  background-color: rgba(212, 175, 55, 0.15);
  color: #d4af37;
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.badge-secondary {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
}

.badge-trendyol {
  background-color: rgba(249, 115, 22, 0.15);
  color: #fb923c;
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.badge-idefix {
  background-color: rgba(14, 165, 233, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(14, 165, 233, 0.3);
}

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

.badge-marketplace {
  background-color: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

/* Form Controls */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control, .form-select {
  width: 100%;
  padding: 10px 14px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus, .form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-select option {
  background-color: var(--bg-card);
  color: var(--text-main);
}

.form-text {
  font-size: 12px;
  color: var(--text-dim);
}

/* Search and Filters Bar */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.search-input {
  min-width: 240px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-backdrop.show {
  display: flex;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  animation: modalScale 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScale {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

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

.modal-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--accent-red);
}

.modal-body {
  padding: 24px;
  max-height: 75vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  color: var(--text-main);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.5px;
  min-width: 280px;
  animation: slideLeft 0.3s ease;
}

.toast.success { border-left: 4px solid var(--accent-green); }
.toast.error { border-left: 4px solid var(--accent-red); }
.toast.info { border-left: 4px solid var(--accent-blue); }

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

/* Shipping Label Print View */
.print-label {
  background: #fff;
  color: #000;
  padding: 24px;
  border: 2px dashed #333;
  border-radius: 8px;
  font-family: 'Courier New', Courier, monospace;
}

.print-label-header {
  border-bottom: 2px solid #000;
  padding-bottom: 12px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.barcode-box {
  background: #f0f0f0;
  padding: 12px;
  text-align: center;
  border: 1px solid #ccc;
  margin: 14px 0;
  font-size: 18px;
  font-weight: bold;
  letter-spacing: 4px;
}

@media print {
  body * {
    visibility: hidden;
  }
  .print-area, .print-area * {
    visibility: visible;
  }
  .print-area {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
  }
}

/* Badges Extra */
.badge-purple {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-gold {
  background: rgba(212, 175, 55, 0.15);
  color: var(--primary);
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.badge-invoice {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(212, 175, 55, 0.15));
  color: #c4b5fd;
  border: 1px solid rgba(139, 92, 246, 0.4);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Invoice Calculation Card */
.invoice-calc-card {
  background: linear-gradient(135deg, rgba(18, 24, 38, 0.95), rgba(30, 41, 59, 0.85));
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-top: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.calc-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  font-weight: 700;
  font-size: 13.5px;
  color: var(--primary);
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.calc-item {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.calc-label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.calc-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
}

.calc-value.highlight {
  color: var(--primary);
  font-size: 16px;
}

.calc-sub {
  font-size: 10.5px;
  color: var(--text-muted);
  margin-top: 3px;
}

/* Overview Hero Cards */
.overview-hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.hero-card {
  border-radius: var(--radius-lg);
  padding: 22px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-card.green-theme {
  background: linear-gradient(145deg, rgba(16, 185, 129, 0.08) 0%, rgba(15, 23, 42, 0.85) 100%);
  border: 1px solid rgba(16, 185, 129, 0.35);
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.1);
}

.hero-card.orange-theme {
  background: linear-gradient(145deg, rgba(245, 158, 11, 0.08) 0%, rgba(15, 23, 42, 0.85) 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.1);
}

.hero-card.gold-theme {
  background: linear-gradient(145deg, rgba(212, 175, 55, 0.1) 0%, rgba(15, 23, 42, 0.85) 100%);
  border: 1px solid rgba(212, 175, 55, 0.4);
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.12);
}

.hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.hero-card-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.8px;
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
}

.hero-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 12px;
}

.hero-big-number {
  font-size: 38px;
  font-weight: 800;
  line-height: 1;
  font-family: inherit;
}

.hero-sub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.hero-pill-box {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  padding: 12px;
}

.hero-footer-text {
  font-size: 11px;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
}

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

.rates-tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 6px 14px;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.rates-tab-btn.active {
  background: rgba(212, 175, 55, 0.15);
  color: var(--primary);
  border-color: rgba(212, 175, 55, 0.3);
}

.rates-tab-btn:hover:not(.active) {
  background: var(--bg-card-hover);
  color: var(--text-main);
}

.trend-up {
  color: #34d399;
}
.trend-down {
  color: #f87171;
}
.trend-neutral {
  color: var(--text-muted);
}

/* Live pulsing dot */
.live-pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseGreen 1.8s infinite cubic-bezier(0.66, 0, 0, 1);
  margin-right: 4px;
  vertical-align: middle;
}

@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);
  }
}

.price-flash-up {
  animation: flashGreen 0.8s ease-out;
}

.price-flash-down {
  animation: flashRed 0.8s ease-out;
}

@keyframes flashGreen {
  0% { background-color: rgba(16, 185, 129, 0.35); color: #34d399; border-radius: 4px; }
  100% { background-color: transparent; }
}

@keyframes flashRed {
  0% { background-color: rgba(239, 68, 68, 0.35); color: #f87171; border-radius: 4px; }
  100% { background-color: transparent; }
}

/* Responsive */
@media (max-width: 900px) {
  body {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
  .nav-menu {
    flex-direction: row;
    overflow-x: auto;
  }
  .content {
    padding: 16px;
  }
  .overview-hero-grid {
    grid-template-columns: 1fr;
  }
}