:root {
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --background-primary: #fff;
    --background-secondary: #f6f6f6;
    --background-hover: #ebebeb;
    --border-color: #d1d1d6;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --transition: all 0.2s ease;
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #ffffff;
        --text-secondary: #b0b0b0;
        --background-primary: #2d2d2d;
        --background-secondary: #3a3a3a;
        --background-hover: #444;
        --border-color: #555;
        --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.4);
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: inherit;
    color: var(--text-primary);
    line-height: 1.5;
    margin: 0;
    padding: 0;
    max-width: 660px;
    overflow-x: hidden;
    width: 100%;
}

.app-container {
    background: var(--background-primary);
    border-radius: var(--border-radius);
    padding: 20px;
    width: 100%;
    position: relative;
}

/* Панель фильтров */
.filters-panel {
    background: var(--background-secondary);
    border-radius: var(--border-radius);
    padding: 16px;
    margin-bottom: 16px;
}

.filter-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 15px;
    color: var(--text-primary);
    margin-bottom: 12px;
}

/* Выпадающий селектор */
.dropdown-container {
    position: relative;
    width: 100%;
}

.dropdown-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

.dropdown-trigger:hover {
    background: var(--background-hover);
    transform: translateY(-1px);
}

.dropdown-trigger.active {
    background: var(--background-hover);
}

.dropdown-text {
    flex: 1;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.dropdown-arrow {
    transition: transform 0.2s ease;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: bold;
}

.dropdown-trigger.active .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--background-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    z-index: 1000;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    margin-top: 4px;
}

.dropdown-content.active {
    max-height: 300px;
    overflow-y: auto;
}

.dropdown-content .year-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--background-primary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    user-select: none;
}

.dropdown-content .year-checkbox:hover {
    background: var(--background-hover);
    color: var(--text-primary);
}

.year-checkbox input[type="checkbox"] {
    display: none;
}

.year-checkbox .checkmark {
    width: 16px;
    height: 16px;
    background: var(--background-primary);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.year-checkbox input[type="checkbox"]:checked + .checkmark {
    background: var(--text-primary);
    border-color: var(--text-primary);
    transform: scale(1.1);
}

.year-checkbox input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: var(--background-primary);
    font-size: 10px;
    font-weight: bold;
}

/* Данные компаний */
.companies-section {
    width: 100%;
}

#companiesData {
    display: grid;
    gap: 16px;
    width: 100%;
    animation: fadeIn 0.3s ease-out;
}

.company-data-card {
    background: var(--background-secondary);
    border-radius: var(--border-radius);
    padding: 16px;
    transition: var(--transition);
    cursor: pointer;
    width: 100%;
    height: auto;
    min-height: 110px;
}

.company-data-card:hover {
    background: var(--background-hover);
    transform: translateY(-2px);
}

.company-data-header {
    display: grid;
    grid-template-columns: 70px 1fr;
    grid-template-rows: 1fr;
    gap: 16px;
    align-items: center;
    margin-bottom: 16px;
}

.company-data-logo {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 50%;
    background: var(--background-primary);
    box-shadow: var(--shadow);
    transition: var(--transition);
    grid-column: 1;
    grid-row: 1;
}

.company-data-card:hover .company-data-logo {
    transform: scale(1.05);
}

.company-data-title {
    grid-column: 2;
    grid-row: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.company-data-title h3 {
    margin: 0 0 4px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    white-space: normal;
    word-wrap: break-word;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.company-data-info {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 400;
    margin: 0;
    line-height: 1.2;
    white-space: normal;
    word-wrap: break-word;
    word-break: keep-all;
    overflow-wrap: break-word;
}

/* Метрики */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.metric-item {
    background: var(--background-primary);
    padding: 12px;
    border-radius: 8px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.metric-item:hover {
    background: var(--background-hover);
    transform: translateY(-1px);
}

.metric-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    display: block;
    font-weight: 500;
}

.metric-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
}

/* Группированные метрики */
.metrics-grouped {
    display: grid;
    gap: 12px;
}

.metric-group {
    background: var(--background-primary);
    border-radius: 8px;
    padding: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.metric-group:hover {
    transform: translateY(-1px);
}

.metric-group-title {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.metric-years {
    display: grid;
    gap: 8px;
}

.year-metric {
    display: grid;
    grid-template-columns: 60px auto auto;
    align-items: center;
    background: var(--background-secondary);
    padding: 8px 12px;
    border-radius: 6px;
    transition: var(--transition);
    gap: 12px;
    border: 1px solid var(--border-color);
}

.year-metric:hover {
    background: var(--background-hover);
    transform: translateY(-1px);
}

.year-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    grid-column: 1;
    justify-self: start;
}

.metric-value-multi {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    grid-column: 2;
    justify-self: end;
    text-align: right;
    min-width: 120px;
}

.metric-change {
    grid-column: 3;
    justify-self: end;
    white-space: nowrap;
    min-width: 60px;
    text-align: right;
    font-size: 12px;
    padding: 3px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.metric-change.positive {
    color: var(--success-color);
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.metric-change.negative {
    color: var(--danger-color);
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.metric-change.neutral {
    color: var(--text-secondary);
    background: var(--background-secondary);
    border: 1px solid var(--border-color);
}

/* Tablet responsiveness */
@media (max-width: 1024px) {
    body {
        max-width: 100%;
        padding: 15px;
    }
    
    .app-container {
        margin: 15px auto;
        padding: 1.1rem;
        max-width: 95%;
    }
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    body {
        max-width: 100%;
        padding: 10px;
    }
    
    .app-container {
        margin: 10px auto;
        padding: 1rem;
        max-width: 100%;
        border-radius: 8px;
    }
    
    .company-data-card {
        padding: 16px;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .company-data-header {
        grid-template-columns: 50px 1fr;
        gap: 10px;
        margin-bottom: 12px;
    }
    
    .company-data-logo {
        width: 50px;
        height: 50px;
    }
    
    .company-data-title h3 {
        font-size: 13px;
        margin: 0 0 2px;
    }

    .company-data-info {
        font-size: 11px;
    }
    
    .year-metric {
        grid-template-columns: 50px auto auto;
        gap: 8px;
        padding: 6px 10px;
    }
    
    .metric-value-multi {
        min-width: 100px;
        font-size: 13px;
    }
    
    .metric-change {
        min-width: 50px;
        font-size: 11px;
    }
    
    .dropdown-trigger {
        padding: 12px 14px;
        font-size: 14px;
    }
    
    .filters-panel {
        padding: 12px;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    body {
        padding: 8px;
    }
    
    .app-container {
        margin: 8px auto;
        padding: 0.8rem;
        border-radius: 6px;
    }
    
    .company-data-header {
        grid-template-columns: 45px 1fr;
        gap: 8px;
    }
    
    .company-data-logo {
        width: 45px;
        height: 45px;
    }
    
    .company-data-card {
        padding: 12px;
    }
    
    .year-metric {
        grid-template-columns: 45px auto auto;
        gap: 6px;
        padding: 5px 8px;
    }
    
    .metric-value-multi {
        min-width: 80px;
        font-size: 12px;
    }
    
    .metric-change {
        min-width: 45px;
        font-size: 10px;
    }
    
    .company-data-title h3 {
        font-size: 12px;
        line-height: 1.2;
    }
    
    .company-data-info {
        font-size: 10px;
        line-height: 1.1;
    }
}

/* Анимации */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}