/* Import premium typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&family=Cinzel:wght@400;500;600;700&display=swap');

:root {
  /* Light Theme Variables (Default) */
  --bg-primary: #faf9f6;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f4f1ea;
  
  --text-primary: #1c1917;
  --text-secondary: #686256;
  --text-muted: #a8a29e;
  
  --accent-gold: #c5a880;
  --accent-gold-hover: #b09168;
  --accent-gold-light: rgba(197, 168, 128, 0.1);
  --accent-gold-glow: rgba(197, 168, 128, 0.25);
  
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.1);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.1);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.1);
  
  --border-color: rgba(197, 168, 128, 0.2);
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(197, 168, 128, 0.25);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 30px rgba(197, 168, 128, 0.1);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.06);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --bg-primary: #0b0c10;
  --bg-secondary: #12141c;
  --bg-tertiary: #191c26;
  
  --text-primary: #f5f5f7;
  --text-secondary: #9da4b0;
  --text-muted: #646b7a;
  
  --accent-gold: #d4af37;
  --accent-gold-hover: #f3e5ab;
  --accent-gold-light: rgba(212, 175, 55, 0.1);
  --accent-gold-glow: rgba(212, 175, 55, 0.3);
  
  --border-color: rgba(212, 175, 55, 0.15);
  --glass-bg: rgba(18, 20, 28, 0.8);
  --glass-border: rgba(212, 175, 55, 0.2);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

/* Utility Layouts */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border var(--transition-normal);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold), #b09168);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-gold-glow);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-gold-glow);
  background: linear-gradient(135deg, #d3b68f, var(--accent-gold));
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-danger {
  background-color: var(--danger-light);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}
.btn-danger:hover {
  background-color: var(--danger);
  color: white;
}

.btn-icon {
  padding: 8px;
  border-radius: 50%;
  aspect-ratio: 1;
}

/* Header & Navigation */
header {
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-gold), #8a6f44);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: 'Cinzel', serif;
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: flex-start;
  line-height: 1.1;
}

.brand-name::after {
  content: "®";
  font-size: 0.7rem;
  font-family: sans-serif;
  font-weight: normal;
  margin-top: -0.1rem;
  margin-left: 0.05rem;
}

.brand-sub {
  font-family: 'Inter', sans-serif;
  font-size: 0.58rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.38em;
  text-transform: uppercase;
  margin-top: 1px;
}

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

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.theme-toggle:hover {
  background-color: var(--bg-tertiary);
  color: var(--accent-gold);
}
.theme-toggle svg {
  width: 20px;
  height: 20px;
}
.theme-toggle .sun-icon { display: none; }
.theme-toggle .moon-icon { display: block; }
[data-theme="dark"] .theme-toggle .sun-icon { display: block; }
[data-theme="dark"] .theme-toggle .moon-icon { display: none; }

/* Dashboard Styling */
.dashboard-layout {
  padding: 40px 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
  animation: fadeIn 0.4s ease-out;
}

.dashboard-hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.hero-title h1 {
  font-size: 2.25rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.hero-title p {
  color: var(--text-secondary);
}

/* Statistics Bar */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.stat-card {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  background-color: var(--accent-gold-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: 'Outfit', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Search and Filters */
.controls-card {
  padding: 20px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.search-wrapper {
  flex: 1;
  min-width: 250px;
  position: relative;
}

.search-wrapper svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
}

.search-input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: border var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px var(--accent-gold-glow);
}

.filter-select {
  padding: 12px 36px 12px 16px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23686256'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  min-width: 180px;
}
.filter-select:focus {
  outline: none;
  border-color: var(--accent-gold);
}

/* Machine Table */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.machine-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  background-color: var(--bg-secondary);
}

.machine-table th {
  background-color: var(--bg-tertiary);
  padding: 16px 24px;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.machine-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.machine-table tbody tr {
  transition: background-color var(--transition-fast);
}

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

.machine-table tbody tr:last-child td {
  border-bottom: none;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-success {
  background-color: var(--success-light);
  color: var(--success);
}

.badge-danger {
  background-color: var(--danger-light);
  color: var(--danger);
}

.badge-id {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Actions Menu */
.actions-cell {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* Modal Popup Window */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(11, 12, 16, 0.6);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-container {
  width: 90%;
  max-width: 550px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

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

.modal-header h2 {
  font-size: 1.6rem;
  color: var(--text-primary);
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
}
.modal-close:hover {
  color: var(--danger);
}

/* Form Styles */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media(min-width: 480px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
  .form-full-width {
    grid-column: span 2;
  }
}

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

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input {
  padding: 12px 14px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: border var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px var(--accent-gold-glow);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  margin-top: 8px;
}

/* QR Code Modal Specifics */
.qr-modal-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}

.qr-box-container {
  padding: 24px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  display: flex;
  justify-content: center;
  align-items: center;
}

#qrCodeDisplay canvas, #qrCodeDisplay img {
  max-width: 100% !important;
  height: auto !important;
}

.qr-meta-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.qr-meta-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.qr-meta-sub {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.qr-actions {
  display: flex;
  gap: 12px;
  width: 100%;
}
.qr-actions button {
  flex: 1;
}

/* Public Mobile-First Verification View */
.public-layout {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: radial-gradient(circle at top right, var(--accent-gold-light), transparent), var(--bg-primary);
}

.public-card {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--glass-border);
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.public-card-header {
  background: linear-gradient(135deg, var(--accent-gold), #8a6f44);
  padding: 32px 24px;
  color: white;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  position: relative;
}

.badge-verified {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50px;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
}

.public-card-header h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.public-card-header p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  font-family: monospace;
}

.public-card-body {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.detail-section-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
  margin-bottom: 4px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}

.detail-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.detail-value {
  font-weight: 600;
  color: var(--text-primary);
  text-align: right;
}

/* Warranty Status Block */
.warranty-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin: 8px 0;
}

.warranty-banner.active {
  background-color: var(--success-light);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.warranty-banner.expired {
  background-color: var(--danger-light);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.warranty-banner-info {
  display: flex;
  flex-direction: column;
}

.warranty-banner-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.warranty-banner-status {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.warranty-banner.active .warranty-banner-status { color: var(--success); }
.warranty-banner.expired .warranty-banner-status { color: var(--danger); }

.public-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}
.public-actions .btn {
  width: 100%;
}

/* Empty State Styling */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--text-secondary);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  color: var(--text-muted);
}

.empty-state h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.empty-state p {
  font-size: 0.9rem;
  max-width: 320px;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Responsive details */
@media (max-width: 768px) {
  .dashboard-hero {
    flex-direction: column;
    align-items: flex-start;
  }
  .dashboard-hero .btn {
    width: 100%;
  }
  .controls-card {
    flex-direction: column;
    align-items: stretch;
  }
  .filter-select {
    min-width: unset;
    width: 100%;
  }
}