/* Global Styles */
:root {
    --primary-color: #4a90e2;
    --secondary-color: #f5f5f5;
    --text-color: #333;
    --border-color: #ddd;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
}

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

/* Card Styles */
.card {
    border: none;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Form Styles */
.form-control {
    border-radius: 8px;
    border: 2px solid var(--border-color);
    padding: 10px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(74, 144, 226, 0.25);
}

.btn {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #357abd;
    border-color: #357abd;
    transform: translateY(-2px);
}

/* Material Card Styles */
.material-card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.material-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.material-thumbnail {
    height: 200px;
    object-fit: cover;
}

.material-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 10px 0;
}

.material-info {
    font-size: 0.9rem;
    color: #666;
}

.material-price {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    
}

/* Badge Styles */
.badge {
    padding: 5px 10px;
    border-radius: 20px;
    font-weight: 500;
}

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

.badge-paid {
    background-color: var(--primary-color);
    color: white;
}

.badge-pending {
    background-color: var(--warning-color);
    color: var(--text-color);
}

/* Navigation Styles */
.navbar {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color);
}

/* Search Bar Styles */
.search-bar {
    max-width: 500px;
    margin: 20px auto;
}

.search-bar .form-control {
    border-radius: 25px;
    padding: 12px 20px;
}

/* Filter Section Styles */
.filter-section {
    background-color: var(--secondary-color);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.filter-section .form-select {
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

/* Profile Section Styles */
.profile-section {
    background-color: white;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
}

.profile-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
}

/* Support Form Styles */
.support-form {
    max-width: 600px;
    margin: 0 auto;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .card-body {
        padding: 20px;
    }

    .material-thumbnail {
        height: 150px;
    }

    .profile-section {
        padding: 20px;
    }
}

/* Animation Styles */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

/* Status Indicators */
.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
}

.status-active {
    background-color: var(--success-color);
}

.status-pending {
    background-color: var(--warning-color);
}

.status-expired {
    background-color: var(--danger-color);
}

/* QR Code Container */
.qr-code-container {
    background-color: white;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    margin: 20px 0;
}

/* File Upload Styles */
.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-upload:hover {
    border-color: var(--primary-color);
    background-color: rgba(74, 144, 226, 0.05);
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.rating {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
}

.rating input {
    display: none;
}

.rating label {
    cursor: pointer;
    font-size: 30px;
    color: #ddd;
    padding: 0 0.1em;
}

.rating input:checked ~ label,
.rating label:hover,
.rating label:hover ~ label {
    color: #ffd700;
}

.rating-display {
    color: #ffd700;
    font-size: 18px;
}