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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

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

/* Login Page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-image: url('../images/logo.jpg');
    background-repeat: repeat;
    background-size: 200px 200px;
    background-position: center;
}

.login-box {
    background: white;
    padding: 50px 40px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 10px;
    color: #667eea;
    font-size: 32px;
}

.login-box .subtitle {
    text-align: center;
    color: #999;
    margin-bottom: 40px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

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

.btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.alert {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: #fee;
    color: #c33;
    border-left: 4px solid #c33;
}

.alert-success {
    background: #efe;
    color: #3c3;
    border-left: 4px solid #3c3;
}

/* Admin Dashboard */
.admin-header {
    background: white;
    padding: 20px 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-header h1 {
    color: #667eea;
    font-size: 28px;
}

.admin-header .user-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.admin-header .username {
    color: #666;
    font-weight: 600;
}

.btn-logout {
    padding: 10px 20px;
    background: #ff4444;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    transition: background 0.3s;
}

.btn-logout:hover {
    background: #cc0000;
}

.nav-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.nav-tab {
    padding: 12px 24px;
    background: white;
    color: #667eea;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.nav-tab:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.nav-tab.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.card h2 {
    margin-bottom: 20px;
    color: #667eea;
    font-size: 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 25px;
    border-radius: 10px;
    color: white;
    text-align: center;
}

.stat-box .number {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
}

.stat-box .label {
    font-size: 14px;
    opacity: 0.9;
}

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

table th, table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

table th {
    background: #f5f5f5;
    font-weight: 600;
    color: #667eea;
}

table tr:hover {
    background: #f9f9f9;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-pending {
    background: #fff3cd;
    color: #856404;
}

.badge-approved {
    background: #d4edda;
    color: #155724;
}

.badge-denied {
    background: #f8d7da;
    color: #721c24;
}

.btn-small {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    margin-right: 5px;
    transition: opacity 0.3s;
}

.btn-small:hover {
    opacity: 0.8;
}

.btn-approve {
    background: #28a745;
    color: white;
}

.btn-deny {
    background: #dc3545;
    color: white;
}

.btn-delete {
    background: #ff4444;
    color: white;
}

.form-inline {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.form-inline input {
    flex: 1;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
}

.form-inline button {
    padding: 10px 24px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state .icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.device-list, .domain-list, .request-list {
    max-height: 600px;
    overflow-y: auto;
}

/* Change Credentials Button */
.btn-change-credentials {
    padding: 10px 20px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-right: 10px;
}

.btn-change-credentials:hover {
    background: #5568d3;
    transform: translateY(-2px);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 500px;
    animation: slideIn 0.3s ease-in-out;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 30px;
    border-radius: 15px 15px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
}

.modal-close {
    color: white;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: transform 0.2s;
}

.modal-close:hover {
    transform: scale(1.2);
}

.modal-body {
    padding: 30px;
}

.modal-message {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
}

.modal-message.success {
    display: block;
    background: #d4edda;
    color: #155724;
    border-left: 4px solid #28a745;
}

.modal-message.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

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

.modal-footer {
    padding: 20px 30px;
    border-top: 1px solid #e0e0e0;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn-primary {
    padding: 12px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    padding: 12px 24px;
    background: #6c757d;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: #5a6268;
}

@media (max-width: 768px) {
    .admin-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .nav-tabs {
        flex-direction: column;
    }

    .nav-tab {
        width: 100%;
    }

    .modal-content {
        width: 95%;
        margin: 20px;
    }

    .modal-body {
        padding: 20px;
    }

    .modal-footer {
        padding: 15px 20px;
        flex-direction: column;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
    }
}