:root {
    --primary-color: #1a1a1a;
    --secondary-color: #666666;
    --accent-color: #4a90e2;
    --border-color: #e0e0e0;
    --bg-color: #ffffff;
    --sidebar-bg: #f8f9fa;
    --hover-color: #f0f0f0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-color);
    color: var(--primary-color);
    line-height: 1.6;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Сайдбар с методами */
.sidebar {
    width: 280px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: 30px 20px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.logo {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.methods-section {
    margin-bottom: 30px;
}

.methods-section h3 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: 500;
}

.methods-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.method-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 12px 10px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-color);
    transition: all 0.2s ease;
    text-align: center;
    background-color: white;
}

.method-btn:hover {
    background-color: var(--hover-color);
    border-color: #ccc;
}

.method-btn.active {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

/* Основной контент */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 40px;
    max-width: calc(100% - 280px);
}

/* Поле ввода */
.input-section {
    margin-bottom: 30px;
}

textarea {
    width: 100%;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    font-size: 16px;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.2s;
    background-color: var(--bg-color);
    margin-bottom: 20px;
    min-height: 150px;
}

textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Примеры текстов */
.sample-texts {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.sample-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    color: var(--secondary-color);
    transition: all 0.2s ease;
}

.sample-btn:hover {
    background-color: var(--hover-color);
    border-color: #ccc;
}

/* Кнопки действий */
.action-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.primary-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
    flex: 0 1 auto;
    min-width: 150px;
}

.primary-btn:hover {
    background-color: #357abd;
}

.secondary-btn {
    background-color: transparent;
    color: var(--secondary-color);
    border: 1px solid var(--border-color);
    padding: 14px 28px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    flex: 0 1 auto;
}

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

/* Результат */
.output-section {
    background-color: var(--sidebar-bg);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.output-header h2 {
    font-size: 18px;
    font-weight: 500;
    color: var(--primary-color);
}

.clear-btn {
    background: transparent;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.2s;
}

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

.output-container {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    min-height: 300px;
    max-height: 500px;
    overflow-y: auto;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.5;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    white-space: pre-wrap;
}

/* Статус бар */
.status-bar {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 40px;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 14px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    z-index: 100;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #4caf50;
}

.status-dot.offline {
    background-color: #f44336;
}

/* Сообщения */
.error-message {
    background-color: #ffebee;
    color: #c62828;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #c62828;
    display: none;
}

.success-message {
    background-color: #e8f5e9;
    color: #2e7d32;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #2e7d32;
    display: none;
}

/* Загрузка */
.loading {
    text-align: center;
    padding: 30px;
    display: none;
}

.loader {
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--accent-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

/* Адаптивность */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .main-content {
        margin-left: 0;
        max-width: 100%;
        padding: 20px;
    }

    .container {
        flex-direction: column;
    }

    .methods-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .action-buttons {
        flex-direction: column;
    }

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

    .status-bar {
        bottom: 10px;
        right: 10px;
        left: 10px;
        justify-content: center;
    }
}

/* Для методов в сайдбаре */
.method-category {
    margin-bottom: 20px;
}

.method-category:last-child {
    margin-bottom: 0;
}