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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

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

.search-form {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.search-form input {
    flex: 1;
    padding: 12px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 8px;
}

.search-form button {
    padding: 12px 20px;
    background: #007BFF;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
}

.search-form button:hover {
    background: #0056b3;
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

.comment, .phone-list li {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-bottom: 10px;
}

.comment-form, .comments-section, .random-section {
    margin-top: 30px;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.comment-form textarea {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
    min-height: 100px;
}

.comment-form select {
    padding: 8px;
    margin: 10px 0;
}

.comment-form button {
    background: #28a745;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.back-link {
    display: inline-block;
    margin-bottom: 20px;
    color: #007BFF;
    text-decoration: none;
}

.rating {
    color: #ffc107;
    font-weight: bold;
}
/*Add*/

.container-phone {
    display: flex;
    gap: 20px;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.main-content {
    flex: 3;
    min-width: 0;
}

.sidebar {
    flex: 1;
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 8px;
    align-self: start;
    max-height: 80vh;
    overflow-y: auto;
}

.sidebar h4 {
    margin-top: 0;
    border-bottom: 1px solid #ddd;
    padding-bottom: 8px;
}

.recent-phones {
    list-style: none;
    padding: 0;
    margin: 0;
}

.recent-phones li {
    margin-bottom: 8px;
}

.recent-phones a {
    text-decoration: none;
    color: #1a73e8;
    font-size: 14px;
}

.recent-phones a:hover {
    text-decoration: underline;
}



/* Адаптация для мобильных устройств */
@media (max-width: 768px) {
    .container, .container-phone {
        padding: 10px;
    }

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

    .search-form input,
    .search-form button {
        width: 100%;
        font-size: 16px;
    }

    .content-grid,
    .container-phone {
        flex-direction: column;
        gap: 15px;
    }

    .main-content,
    .sidebar {
        flex: none;
        width: 100%;
    }

    .sidebar {
        max-height: none;
        overflow: visible;
        margin-top: 10px;
    }

    .phone-info p {
        font-size: 14px;
    }

    .comment-form,
    .comments-section,
    .random-section {
        padding: 15px;
        margin-top: 20px;
    }

    .comment-form textarea,
    .comment-form select,
    .comment-form input[type="text"] {
        font-size: 16px;
    }

    .comment-form label {
        display: block;
        margin: 10px 0 5px;
    }

    .comment,
    .phone-list li {
        padding: 12px;
        font-size: 14px;
    }

    .comment .rating {
        font-size: 14px;
    }

    .back-link {
        font-size: 16px;
        margin-bottom: 15px;
    }

    h1 {
        font-size: 24px;
    }

    h2, h3, h4 {
        font-size: 18px;
    }
}

/* Дополнительно: улучшение для сенсорных экранов */
@media (hover: none) and (pointer: coarse) {
    .search-form button,
    .comment-form button {
        padding: 14px;
        font-size: 16px;
    }
}

/* Оптимизация для очень маленьких экранов (напр., iPhone SE) */
@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    header h1 {
        font-size: 20px;
    }

    header p {
        font-size: 14px;
    }

    .comment-form textarea {
        min-height: 80px;
    }

    .recent-phones a {
        font-size: 13px;
    }
}

/* Сетка для "Часто ищут" — 4 колонки */
.phone-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 10px 0;
    list-style: none;
    padding: 0;
}

.phone-grid a {
    text-align: center;
    padding: 8px;
    background-color: #f0f8ff;
    border: 1px solid #cce7ff;
    border-radius: 6px;
    text-decoration: none;
    color: #0056b3;
    font-weight: bold;
    font-size: 14px;
    transition: background-color 0.3s;
}

.phone-grid a:hover {
    background-color: #e0f0ff;
    transform: scale(1.02);
}

/* Адаптивность: на мобильных — 2 колонки */
@media (max-width: 768px) {
    .phone-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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