/* Practice Page Specific Styles */

/* Practice Header */
.practice-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.practice-header h2,
.practice-header p {
    color: white;
}

/* Practice Stats Section */
.practice-stats-section {
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: linear-gradient(145deg, #ffffff 0%, #f5f8ff 100%);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.15);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Subjects Section */
.subjects-section {
    margin-bottom: 3rem;
}

.subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.subject-card {
    background: linear-gradient(145deg, #ffffff 0%, #fafbff 100%);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.subject-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-3);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.subject-card:hover::after {
    transform: scaleX(1);
}

.subject-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.2);
}

.subject-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
    display: block;
}

.subject-card h3 {
    text-align: center;
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.subject-card p {
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.subject-progress {
    margin: 1rem 0;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: #e0e7ff;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 10px;
    transition: width 0.5s ease;
}

.progress-text {
    font-size: 0.85rem;
    color: var(--text-light);
    display: block;
    text-align: center;
}

.practice-btn {
    width: 100%;
    margin-top: 1rem;
}

/* Test Papers Section */
.test-papers-section {
    margin-bottom: 3rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.create-paper-btn {
    background: var(--gradient-4);
    white-space: nowrap;
}

.create-paper-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 233, 123, 0.3);
}

/* Papers Filter */
.papers-filter {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.2rem;
    border: 2px solid var(--border-color);
    background-color: white;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
}

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

.filter-btn.active {
    background: var(--gradient-1);
    color: white;
    border-color: transparent;
}

/* Papers Grid */
.papers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.paper-card {
    background: linear-gradient(145deg, #ffffff 0%, #f9fbff 100%);
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.paper-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.15);
}

.paper-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 1rem;
}

.paper-header h3 {
    font-size: 1.1rem;
    margin-bottom: 0;
    flex: 1;
}

.paper-status {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

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

.paper-status.in-progress {
    background-color: #fff3cd;
    color: #856404;
}

.paper-status.not-started {
    background-color: #e2e3e5;
    color: #383d41;
}

.paper-info {
    margin-bottom: 1rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.info-label {
    color: var(--text-light);
}

.info-value {
    font-weight: 600;
    color: var(--text-color);
}

.score-high {
    color: #28a745;
}

.score-medium {
    color: #ffc107;
}

.score-low {
    color: #dc3545;
}

.difficulty-easy {
    color: #28a745;
}

.difficulty-medium {
    color: #ffc107;
}

.difficulty-hard {
    color: #dc3545;
}

.paper-progress-bar {
    width: 100%;
    height: 6px;
    background-color: #e0e7ff;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.paper-progress-fill {
    height: 100%;
    background: var(--gradient-5);
    border-radius: 10px;
    transition: width 0.5s ease;
}

.paper-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.action-btn {
    flex: 1;
    padding: 0.6rem 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 100px;
}

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

.view-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

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

.retry-btn:hover {
    background-color: #0288d1;
    transform: translateY(-2px);
}

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

.continue-btn:hover {
    background-color: #4caf50;
    transform: translateY(-2px);
}

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

.start-btn:hover {
    background-color: #ff9800;
    transform: translateY(-2px);
}

.delete-btn {
    background-color: #f5f5f5;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.delete-btn:hover {
    background-color: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
    transform: translateY(-2px);
}

/* Features Section */
.features-section {
    background: linear-gradient(145deg, #f8f9ff 0%, #ffffff 100%);
    padding: 3rem 0;
    border-radius: 20px;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.15);
}

.feature-icon-large {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--primary-color);
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Practice Form Styles */
.practice-form {
    margin-top: 1.5rem;
}

.practice-form .form-group {
    margin-bottom: 1.5rem;
}

.practice-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.practice-form input[type="text"],
.practice-form input[type="number"],
.practice-form select {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.practice-form input[type="text"]:focus,
.practice-form input[type="number"]:focus,
.practice-form select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.practice-form input[type="checkbox"] {
    margin-right: 0.5rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.practice-form label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.form-actions .btn {
    flex: 1;
}

.btn-secondary {
    background: #f5f5f5;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: #e0e0e0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Modal Enhancements */
.modal .modal-content {
    animation: slideInDown 0.4s ease;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .create-paper-btn {
        width: 100%;
    }

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

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

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

    .action-btn {
        width: 100%;
    }

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

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

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-icon {
        font-size: 2rem;
    }
}

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

.loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

/* Success Message */
.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid #28a745;
}

/* Error Message */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    border-left: 4px solid #dc3545;
}