:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #121824;
  --card-bg: rgba(22, 30, 49, 0.65);
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #f3f4f6;
  --text-muted: #9ca3af;
  --accent-color: #6366f1;
  --accent-hover: #4f46e5;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
}

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

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-color);
}

/* Glassmorphism Panel helper */
.glass {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.hidden {
  display: none !important;
}

/* Auth Screens */
#auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-primary);
}

.auth-box {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(15px);
  animation: fadeIn 0.4s ease;
}

.auth-header {
  margin-bottom: 2rem;
  text-align: center;
}

.auth-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #fff 0%, var(--accent-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.auth-header p {
  color: var(--text-muted);
}

.auth-footer {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
}

#toggle-auth-mode {
  color: var(--accent-color);
  cursor: pointer;
  transition: color 0.2s;
}

#toggle-auth-mode:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* Layout */
#app-container {
  display: flex;
  width: 100vw;
  height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 260px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 2.5rem;
  padding-left: 0.5rem;
}

.logo-icon {
  font-size: 1.8rem;
}

.brand-logo h2 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0.8rem 1rem;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.nav-item:hover, .nav-item.active {
  color: var(--text-primary);
  background-color: rgba(99, 102, 241, 0.15);
  border-left: 3px solid var(--accent-color);
  padding-left: calc(1rem - 3px);
}

.sidebar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.user-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.user-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Main Content Area */
.main-content {
  flex: 1;
  padding: 2rem 2.5rem;
  overflow-y: auto;
  background-color: var(--bg-primary);
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
}

.content-header h1 {
  font-size: 2rem;
  font-weight: 700;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

input, select {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: rgba(17, 24, 39, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.input-action-group {
  display: flex;
  gap: 8px;
}

.input-action-group input {
  flex: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--border-color);
  color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.05);
}

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

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  background-color: var(--border-color);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.w-full {
  width: 100%;
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.stat-card {
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-info h3 {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 700;
}

.stat-icon {
  font-size: 2.5rem;
  opacity: 0.8;
}

/* General Card */
.card {
  padding: 2rem;
  margin-bottom: 2rem;
}

.card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.max-w-md {
  max-w: 480px;
}

.flex-2 {
  flex: 2;
}

/* Token Display Box */
.token-copy-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(0, 0, 0, 0.2);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  margin-bottom: 0.5rem;
}

.token-copy-box code {
  font-family: monospace;
  font-size: 0.9rem;
  color: var(--warning);
  word-break: break-all;
  user-select: all;
}

/* Vouchers Layout Grid */
.vouchers-layout {
  display: grid;
  grid-template-columns: 1fr 2.2fr;
  gap: 1.5rem;
  align-items: flex-start;
}

@media (max-width: 992px) {
  .vouchers-layout {
    grid-template-columns: 1fr;
  }
}

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

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th {
  padding: 1rem;
  border-bottom: 2px solid var(--border-color);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
}

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

.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
}

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

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

.badge-danger {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.photo-preview-link {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 500;
}

.photo-preview-link:hover {
  text-decoration: underline;
}

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