/* Admin Panel Styles */
:root {
    --primary-color: #3498db;
    --sidebar-bg: #2c3e50;
    --sidebar-hover: #34495e;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f6fa;
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
    padding: 2rem 1rem;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.login-wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    width: 100%;
    max-width: 420px;
}

.login-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.07);
    width: 100%;
    animation: slideIn 0.5s ease-out;
}

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

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

.login-header i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
    display: block;
}

.login-header h3 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #6c757d;
    font-size: 0.9rem;
    margin: 0;
}

.login-form-inputs .form-label {
    color: #495057;
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.login-form-inputs .form-label i {
    color: #667eea;
}

.login-form-inputs .form-control {
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s;
}

.login-form-inputs .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.1);
}

.login-form-inputs .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 10px;
    padding: 0.75rem 2rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.login-form-inputs .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
}

.login-form-inputs .btn-primary:active {
    transform: translateY(0);
}

.login-form .form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.login-form a {
    color: #667eea;
    transition: color 0.3s;
}

.login-form a:hover {
    color: #764ba2;
}

.login-footer {
    text-align: center;
    color: white;
    font-size: 0.85rem;
    line-height: 1.5;
    background: rgba(0, 0, 0, 0.3);
    padding: 1rem 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

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

.login-footer p {
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.login-footer strong {
    color: white;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

/* Alert improvements */
.login-form .alert {
    border-radius: 10px;
    border: none;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.login-form .alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}

.login-form .alert-danger .btn-close {
    filter: brightness(0) saturate(100%) invert(28%) sepia(91%) saturate(3149%) hue-rotate(342deg) brightness(91%) contrast(88%);
}

/* Admin Panel Layout */
.admin-panel {
    display: flex;
    min-height: 100vh;
}

/* Sidebar - Basic styles (detailed styles in index.php) */
.sidebar {
    width: 250px;
    background-color: var(--sidebar-bg);
    color: white;
    padding: 1.5rem 0;
    position: fixed;
    height: 100vh;
    transition: all 0.3s;
    /* overflow-y: auto; - Removed, managed in index.php */
    /* padding-bottom: 100px; - Removed, managed with flexbox */
}

.sidebar h4 {
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 600;
}

.sidebar hr {
    border-color: rgba(255, 255, 255, 0.1);
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 0.75rem 1.5rem;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.sidebar .nav-link:hover {
    background-color: var(--sidebar-hover);
    color: white;
    border-left-color: var(--primary-color);
}

.sidebar .nav-link.active {
    background-color: var(--sidebar-hover);
    color: white;
    border-left-color: var(--primary-color);
}

.sidebar .nav-link i {
    margin-right: 0.5rem;
    width: 20px;
    text-align: center;
}

/* Sidebar Footer */
.sidebar-footer {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    padding: 0 1.5rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
}

.sidebar-footer small {
    display: block;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.6);
}

.sidebar-footer strong {
    color: rgba(255, 255, 255, 0.8);
}

/* Main Content */
.main-content {
    margin-left: 250px;
    padding: 2rem;
    width: 100%;
    min-height: 100vh;
    background-color: #f5f6fa;
}

/* Form Cards */
.form-card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
}

.form-card h5 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

/* Tables */
.table-container {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.table {
    margin-bottom: 0;
}

.table thead th {
    border-bottom: 2px solid #e0e0e0;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    font-size: 0.85rem;
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border: none;
    padding: 0.5rem 1.5rem;
    transition: all 0.3s;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

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

/* Statistics Cards */
.stat-card {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
    text-align: center;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-card .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.stat-card h5 {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.stat-card h2 {
    color: #2c3e50;
    font-weight: 600;
}

/* Charts */
.chart-container {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    height: 400px;
}

.chart-container h5 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Form Sections */
.form-section {
    margin-bottom: 2rem;
}

.form-section h5 {
    color: #2c3e50;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e0e0e0;
}

/* Responsive */
@media (max-width: 768px) {
    /* Sidebar responsive styles moved to index.php to avoid conflicts */
    /* .sidebar {
        transform: translateX(-100%);
        z-index: 1000;
    }

    .sidebar.show {
        transform: translateX(0);
    } */

    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    .login-container {
        padding: 1rem;
    }
    
    .login-form {
        padding: 2rem 1.5rem;
    }
    
    .login-header i {
        font-size: 2.5rem;
    }
    
    .login-form-inputs .btn-primary {
        padding: 0.75rem 1.5rem;
    }
    
    .login-footer {
        font-size: 0.8rem;
        padding: 0.75rem 1.5rem;
    }
}

@media (max-width: 576px) {
    .login-wrapper {
        gap: 1.5rem;
    }
    
    .login-footer {
        font-size: 0.75rem;
        padding: 0.75rem 1rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .login-form {
        background: rgba(30, 30, 30, 0.95);
        color: #f8f9fa;
    }
    
    .login-header h3 {
        color: #f8f9fa;
    }
    
    .login-header p {
        color: #adb5bd;
    }
    
    .login-form-inputs .form-label {
        color: #f8f9fa;
    }
    
    .login-form-inputs .form-control {
        background: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.2);
        color: #f8f9fa;
    }
    
    .login-form-inputs .form-control:focus {
        background: rgba(255, 255, 255, 0.15);
        border-color: #667eea;
        color: #f8f9fa;
    }
    
    .login-footer {
        background: rgba(0, 0, 0, 0.5);
        border-color: rgba(255, 255, 255, 0.2);
    }
}

/* Additional Utility Classes */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.border-primary {
    border-color: var(--primary-color) !important;
}

/* Scrollbar styling */
.sidebar::-webkit-scrollbar {
    width: 8px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}