* {
    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;
    display: flex;
    flex-direction: column;
}

/* Navigation */
nav {
    background: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-logo {
    color: white;
    font-size: 24px;
    font-weight: bold;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    gap: 20px;
    list-style: none;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s;
}

.nav-menu a:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Main Content */
.main-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.content {
    width: 100%;
    max-width: 900px;
}

.hero {
    text-align: center;
    color: white;
    margin-bottom: 50px;
    animation: slideUp 0.6s ease;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
    line-height: 1.6;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.dashboard-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
    cursor: pointer;
    animation: slideUp 0.6s ease;
    animation-fill-mode: both;
}

.dashboard-card:nth-child(1) { animation-delay: 0.1s; }
.dashboard-card:nth-child(2) { animation-delay: 0.2s; }
.dashboard-card:nth-child(3) { animation-delay: 0.3s; }

.dashboard-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.card-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.card-title {
    font-size: 22px;
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

.card-description {
    color: #666;
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.card-stats {
    background: #f5f5f5;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 14px;
}

.stat:last-child {
    margin-bottom: 0;
}

.stat-label {
    color: #666;
}

.stat-value {
    color: #667eea;
    font-weight: 600;
}

.card-button {
    width: 100%;
    padding: 12px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.card-button:hover {
    background: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.card-button:active {
    transform: translateY(0);
}

.card-button.secondary {
    background: #6c757d;
    margin-top: 10px;
}

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

.card-button.danger {
    background: #dc3545;
}

.card-button.danger:hover {
    background: #c82333;
}

/* Status Indicators */
.status-badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-top: 10px;
}

.status-active {
    background: #d4edda;
    color: #155724;
}

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

.status-inactive {
    background: #f8d7da;
    color: #721c24;
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.1);
    color: white;
    text-align: center;
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
}

/* Message Container */
.message-container {
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 400px;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.message {
    padding: 15px 20px;
    border-radius: 5px;
    margin-bottom: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.3s ease;
}

.message.success {
    background: #28a745;
    color: white;
}

.message.error {
    background: #dc3545;
    color: white;
}

.message.info {
    background: #17a2b8;
    color: white;
}

/* Loading State */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .nav-menu {
        gap: 10px;
    }

    .nav-menu a {
        font-size: 12px;
        padding: 6px 10px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Logout Confirm Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 10px;
    max-width: 400px;
    animation: slideUp 0.3s ease;
}

.modal-content h3 {
    color: #333;
    margin-bottom: 15px;
}

.modal-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.modal-buttons {
    display: flex;
    gap: 10px;
}

.modal-buttons button {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.modal-buttons .confirm {
    background: #dc3545;
    color: white;
}

.modal-buttons .confirm:hover {
    background: #c82333;
}

.modal-buttons .cancel {
    background: #6c757d;
    color: white;
}

.modal-buttons .cancel:hover {
    background: #5a6268;
}