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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    margin-bottom: 30px;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-brand {
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
}

.nav-menu {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: #667eea;
    color: white;
}

.user-info {
    color: #666;
    font-size: 14px;
}

.btn-logout {
    background: #f44336;
    color: white !important;
    padding: 8px 15px;
    border-radius: 5px;
}

.btn-logout:hover {
    background: #d32f2f;
}

/* Login/Register Box */
.login-box {
    max-width: 400px;
    margin: 50px auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.login-box h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #667eea;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
}

.form-text {
    display: block;
    margin-top: 5px;
    font-size: 12px;
    color: #666;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
}

.btn-primary {
    background: #667eea;
    color: white;
}

.btn-primary:hover {
    background: #5568d3;
}

.btn-success {
    background: #4caf50;
    color: white;
}

.btn-success:hover {
    background: #45a049;
}

.btn-info {
    background: #2196f3;
    color: white;
}

.btn-info:hover {
    background: #0b7dda;
}

.btn-secondary {
    background: #757575;
    color: white;
}

.btn-secondary:hover {
    background: #616161;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 18px;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.alert-error {
    background: #ffebee;
    color: #c62828;
    border-left: 4px solid #c62828;
}

.alert-success {
    background: #e8f5e9;
    color: #2e7d32;
    border-left: 4px solid #2e7d32;
}

/* Welcome Section */
.welcome-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.welcome-section h1 {
    color: #667eea;
    margin-bottom: 10px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 48px;
}

.stat-value {
    font-size: 28px;
    font-weight: bold;
    color: #667eea;
}

.stat-label {
    font-size: 14px;
    color: #666;
    margin-top: 5px;
}

/* Quick Actions */
.quick-actions {
    background: white;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.quick-actions h2 {
    margin-bottom: 20px;
    color: #333;
}

.action-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    background: #667eea;
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 500;
}

.data-table td {
    padding: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.data-table tr:hover {
    background: #f5f5f5;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: #e8f5e9;
    color: #2e7d32;
}

.badge-warning {
    background: #fff3e0;
    color: #e65100;
}

.badge-danger {
    background: #ffebee;
    color: #c62828;
}

.badge-primary {
    background: #e3f2fd;
    color: #1565c0;
}

.badge-secondary {
    background: #f5f5f5;
    color: #616161;
}

/* Rental Form */
.rental-form,
.deposit-form {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.balance-info {
    background: #e3f2fd;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: center;
}

.balance-amount {
    color: #667eea;
    font-size: 20px;
}

.price-info {
    background: #fff3e0;
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
    text-align: center;
}

/* Info Box */
.info-box {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.info-box h3 {
    margin-bottom: 15px;
    color: #667eea;
}

.info-box ul {
    list-style-position: inside;
    color: #666;
}

.info-box li {
    margin-bottom: 8px;
}

/* API Section */
.api-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.api-section h2 {
    color: #667eea;
    margin-bottom: 20px;
}

.api-key-box {
    background: #f5f5f5;
    padding: 20px;
    border-radius: 5px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 15px;
}

.api-key-box code {
    flex: 1;
    font-size: 14px;
    word-break: break-all;
    background: white;
    padding: 10px;
    border-radius: 5px;
}

.endpoint-item {
    margin: 30px 0;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 5px;
    border-left: 4px solid #667eea;
}

.endpoint-item h3 {
    color: #667eea;
    margin-bottom: 15px;
}

.endpoint-details {
    margin-top: 15px;
}

.endpoint-details pre {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin: 10px 0;
}

.endpoint-details code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 14px;
}

/* Email Items */
.email-item {
    background: white;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.email-address {
    font-weight: 500;
    font-family: monospace;
}

.email-status {
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 12px;
}

.email-otp {
    font-weight: bold;
    color: #667eea;
    font-size: 18px;
}

.email-time {
    color: #666;
    font-size: 12px;
}

/* Recent Section */
.recent-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.recent-section h2 {
    margin-bottom: 20px;
    color: #333;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-muted {
    color: #666;
}

.text-success {
    color: #2e7d32;
}

.text-danger {
    color: #c62828;
}

.otp-code {
    font-size: 18px;
    color: #667eea;
    font-weight: bold;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .data-table {
        font-size: 14px;
    }
    
    .data-table th,
    .data-table td {
        padding: 10px;
    }
}