:root {
    --primary-color: #4a6da7;
    --secondary-color: #5d8aa8;
    --accent-color: #ff9800;
    --background-color: #f5f5f5;
    --card-color: #ffffff;
    --text-color: #333333;
    --border-color: #e0e0e0;
    --success-color: #4caf50;
    --danger-color: #f44336;
    --warning-color: #ff9800;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Login Page Styles */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-box {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.error-message {
    color: var(--danger-color);
    margin-bottom: 1rem;
    min-height: 1.5rem;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    width: 100%;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
}

.back-link {
    text-align: center;
    margin-top: 1rem;
}

.back-link a {
    color: var(--primary-color);
    text-decoration: none;
}

.back-link a:hover {
    text-decoration: underline;
}

/* Admin Dashboard Styles */
.admin-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: #000000;
    color: white;
    padding: 1.5rem 0;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 10;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.sidebar-header h2 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 15px;
}

.sidebar-logo {
    max-width: 80px;
    height: auto;
    display: block;
    margin: 0 auto;
}

.nav-menu {
    list-style: none;
    padding: 1.5rem 0;
}

.nav-item {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: block;
    padding: 0.75rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-link i {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
}

.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 1.5rem;
    transition: margin-left 0.3s ease;
}

.toggle-sidebar {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 100;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    cursor: pointer;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    border: none;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-warning {
    background-color: var(--warning-color);
    color: white;
}

.btn i {
    margin-right: 0.5rem;
}

/* Grid and Tables */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.card {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.card-header {
    padding: 1rem;
    background-color: var(--primary-color);
    color: white;
}

.card-body {
    padding: 1rem;
}

.card-title {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.table-container {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    margin-bottom: 2rem;
}

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

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #f9f9f9;
    font-weight: 600;
}

tr:last-child td {
    border-bottom: none;
}

.action-cell {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.action-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.edit-btn {
    color: var(--warning-color);
}

.delete-btn {
    color: var(--danger-color);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -0.5rem;
}

.form-col {
    flex: 1;
    padding: 0 0.5rem;
    min-width: 250px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 0.5rem;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 1rem;
    display: none;
}

.modal {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-title {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
}

.modal-body {
    padding: 1rem;
}

.modal-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.alert-success {
    background-color: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    color: var(--success-color);
}

.alert-danger {
    background-color: rgba(244, 67, 54, 0.1);
    border: 1px solid rgba(244, 67, 54, 0.3);
    color: var(--danger-color);
}

.alert-warning {
    background-color: rgba(255, 152, 0, 0.1);
    border: 1px solid rgba(255, 152, 0, 0.3);
    color: var(--warning-color);
}

.alert i {
    margin-right: 0.5rem;
}

/* Responsive */
@media (max-width: 991px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .toggle-sidebar {
        display: block;
    }
    
    .main-content.sidebar-active {
        margin-left: 250px;
    }
}

@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-col {
        width: 100%;
    }
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 10px;
}

@media (max-width: 768px) {
    .action-buttons {
        flex-direction: column;
    }
}

/* Add styles for manual save instructions */
.manual-save-instructions {
    margin: 10px 0;
    padding: 15px;
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    border-radius: 5px;
}

.manual-save-instructions p {
    margin-bottom: 10px;
}

.manual-save-instructions .btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    color: white;
    padding: 5px 15px;
    border-radius: 4px;
    cursor: pointer;
}

.manual-save-instructions .btn-primary:hover {
    background-color: #0069d9;
    border-color: #0062cc;
}