/* Materi Page Styles */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 14px;
    opacity: 0.8;
}

.breadcrumb a {
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 0.8;
    transform: translateX(-2px);
}

/* CTA Section Update */
.cta-section {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.btn-tambah-materi {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    padding: 18px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    box-shadow: 0 10px 30px rgba(231, 76, 60, 0.3);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-tambah-materi:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(231, 76, 60, 0.4);
}

/* Form Styles */
.form-section {
    margin-bottom: 50px;
}

.form-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.form-header h2 {
    color: #fff;
    margin-bottom: 10px;
    font-size: 24px;
}

.form-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
}

.materi-form {
    display: grid;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: #fff;
    font-weight: 600;
    font-size: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 15px 20px;
    color: #fff;
    font-size: 16px;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 20px rgba(52, 152, 219, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-group select option {
    background: #2c3e50;
    color: #fff;
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

.btn-primary,
.btn-secondary {
    padding: 15px 30px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, #27ae60, #2ecc71);
    color: white;
    box-shadow: 0 8px 20px rgba(39, 174, 96, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(39, 174, 96, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Materi List Styles */
.materi-list-section {
    margin-bottom: 50px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    gap: 20px;
    flex-wrap: wrap;
}

.section-header h2 {
    color: #fff;
    font-size: 24px;
    margin: 0;
}

.filter-controls {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-controls select,
.filter-controls input {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    padding: 12px 20px;
    color: #fff;
    font-size: 14px;
    min-width: 150px;
}

.filter-controls select option {
    background: #2c3e50;
    color: #fff;
}

.materi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
}

.materi-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

.materi-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.materi-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.materi-title {
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    flex: 1;
}

.materi-actions {
    display: flex;
    gap: 8px;
}

.btn-action {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 16px;
}

.btn-action:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.btn-edit:hover {
    color: #f39c12;
}

.btn-delete:hover {
    color: #e74c3c;
}

.materi-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.meta-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.materi-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.materi-content {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    line-height: 1.4;
    max-height: 60px;
    overflow: hidden;
    position: relative;
}

.materi-content::after {
    content: '...';
    position: absolute;
    bottom: 0;
    right: 0;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.1));
    padding-left: 20px;
}

.materi-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.materi-date {
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
}

.materi-points {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: rgba(255, 255, 255, 0.7);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.empty-state h3 {
    color: #fff;
    margin-bottom: 10px;
    font-size: 24px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h3 {
    color: #fff;
    margin: 0;
    font-size: 20px;
}

.close {
    color: rgba(255, 255, 255, 0.7);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close:hover {
    color: #fff;
    transform: scale(1.1);
}

.modal .materi-form {
    padding: 30px;
}

/* Success/Error Messages */
.message {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-weight: 500;
    display: none;
}

.message.success {
    background: rgba(39, 174, 96, 0.2);
    border: 1px solid #27ae60;
    color: #2ecc71;
}

.message.error {
    background: rgba(231, 76, 60, 0.2);
    border: 1px solid #e74c3c;
    color: #e74c3c;
}

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

    .section-header {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-controls {
        justify-content: center;
    }

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

    .cta-section {
        flex-direction: column;
        align-items: center;
    }

    .btn-mulai,
    .btn-tambah-materi {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }

    .modal-content {
        width: 95%;
        margin: 2% auto;
    }

    .form-actions {
        flex-direction: column;
    }

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

@media (max-width: 480px) {
    .materi-meta {
        flex-direction: column;
        gap: 8px;
    }

    .materi-footer {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-controls select,
    .filter-controls input {
        min-width: auto;
        width: 100%;
    }
}