:root {
    --primary-color: #141526;
    --secondary-color: #1c1e32;
    --accent-color: #2a2d45;
    --text-color: #f0f0f0;
    --text-muted: #a0a0a0;
    --highlight-color: #e50914;
    --highlight-secondary: #ff6b6b;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--primary-color);
    color: var(--text-color);
    line-height: 1.6;
    font-weight: 400;
}

#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}


header {
    background-color: var(--secondary-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--highlight-color);
}

.logo i {
    margin-right: 0.5rem;
    font-size: 2rem;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.7rem 1.2rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    font-weight: 500;
}

nav ul li a i {
    margin-right: 0.5rem;
}

nav ul li a:hover, nav ul li a.active {
    background-color: var(--accent-color);
    color: var(--highlight-secondary);
}

.user-actions {
    display: flex;
    gap: 1rem;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 50%;
}

.btn-icon:hover {
    background-color: var(--accent-color);
    color: var(--highlight-secondary);
}


main {
    flex: 1;
    padding: 2rem;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.page-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 2rem 0 1.5rem;
}

.section-title h2 {
    font-size: 1.8rem;
    font-weight: 600;
}


.search-container {
    display: flex;
    margin-bottom: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 300px;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-input {
    width: 100%;
    padding: 0.8rem 1rem 0.8rem 2.5rem;
    border: 1px solid var(--accent-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--highlight-color);
    box-shadow: 0 0 0 2px rgba(229, 9, 20, 0.2);
}

.filter-select {
    padding: 0.8rem 1rem;
    border: 1px solid var(--accent-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-size: 1rem;
    min-width: 150px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-select:focus {
    outline: none;
    border-color: var(--highlight-color);
}


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

.card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    cursor: pointer;
    border: 1px solid transparent;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--highlight-color);
}

.card-img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.card-content {
    padding: 1rem;
}

.card-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 600;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.card-rating {
    color: gold;
    font-weight: 600;
}

.card-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.card-action-btn {
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.card-action-btn:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.card-action-btn.favorite.active {
    color: var(--highlight-secondary);
}


.btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: #f40612;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--accent-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: #32344d;
}

.btn-danger {
    background-color: #dc3545;
    color: white;
}

.btn-danger:hover {
    background-color: #c82333;
}


.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.stat-card:hover {
    border-color: var(--highlight-color);
    transform: translateY(-3px);
}

.stat-icon {
    font-size: 2.5rem;
    color: var(--highlight-secondary);
    margin-bottom: 1rem;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}


.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.chart-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.chart-card h2 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.chart-container {
    height: 300px;
    position: relative;
}


.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--secondary-color);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow);
    animation: modalAppear 0.3s ease;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1.5rem 1.5rem 0;
}

.modal-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
}

.close-modal {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--highlight-color);
}

.modal-body {
    padding: 0 1.5rem;
}

.modal-footer {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
    padding: 0 1.5rem 1.5rem;
}


.form-tabs {
    display: flex;
    border-bottom: 1px solid var(--accent-color);
    margin-bottom: 1.5rem;
}

.tab-button {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    font-weight: 500;
}

.tab-button.active {
    color: var(--highlight-color);
    border-bottom-color: var(--highlight-color);
}

.tab-content {
    display: none;
    padding: 0 1.5rem;
}

.tab-content.active {
    display: block;
}

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

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

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--accent-color);
    border-radius: var(--border-radius-sm);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--highlight-color);
    box-shadow: 0 0 0 2px rgba(229, 9, 20, 0.2);
}

.search-input-container {
    display: flex;
    gap: 0.5rem;
}

.search-input-container .form-control {
    flex: 1;
}

.search-results {
    max-height: 300px;
    overflow-y: auto;
    margin-top: 1rem;
    border: 1px solid var(--accent-color);
    border-radius: var(--border-radius-sm);
}

.search-result-item {
    padding: 1rem;
    border-bottom: 1px solid var(--accent-color);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: var(--accent-color);
}

.search-result-item img {
    width: 50px;
    height: 75px;
    object-fit: cover;
    border-radius: 4px;
}

.search-result-info h3 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
}

.search-result-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.rating-input .stars {
    display: flex;
    gap: 0.2rem;
}

.rating-input .star {
    font-size: 1.8rem;
    color: #555;
    cursor: pointer;
    transition: var(--transition);
}

.rating-input .star.active, .rating-input .star:hover {
    color: gold;
}

.form-check {
    display: flex;
    align-items: center;
}

.form-check-input {
    margin-right: 0.5rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
    padding: 0 1.5rem 1.5rem;
}


.tutorial-content {
    max-width: 500px;
    text-align: center;
}

.tutorial-slide {
    display: none;
    padding: 2rem;
}

.tutorial-slide.active {
    display: block;
}

.tutorial-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.tutorial-slide h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.tutorial-slide p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.tutorial-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}


.ranking-item {
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.ranking-item:hover {
    transform: translateX(5px);
    border-left: 4px solid var(--highlight-color);
}

.ranking-position {
    font-size: 1.8rem;
    font-weight: bold;
    margin-right: 1rem;
    color: var(--highlight-color);
    min-width: 50px;
    text-align: center;
}

.ranking-item img {
    width: 60px;
    height: 90px;
    object-fit: cover;
    border-radius: 4px;
    margin-right: 1rem;
}

.ranking-item-info {
    flex: 1;
}

.ranking-item-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.ranking-item-meta {
    display: flex;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}


.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    grid-column: 1 / -1;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: block;
    opacity: 0.5;
}

.empty-state p {
    font-size: 1.2rem;
}


.loading-spinner {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.loading-spinner.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--highlight-color);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 1rem;
}

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


@media (max-width: 1024px) {
    .grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
    
    .charts-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        padding: 1rem;
    }

    nav ul {
        margin-top: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    nav ul li {
        margin: 0.3rem;
    }

    .search-container {
        flex-direction: column;
    }

    .search-box {
        min-width: 100%;
    }

    .grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .modal-content {
        width: 95%;
        padding: 1rem;
    }

    .stats-container {
        grid-template-columns: 1fr 1fr;
    }

    .section-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

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

    .grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    }

    .card-img {
        height: 200px;
    }
    
    .ranking-item {
        flex-direction: column;
        text-align: center;
    }
    
    .ranking-position {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
    
    .ranking-item img {
        margin-right: 0;
        margin-bottom: 0.5rem;
    }
}