/* Специфические стили для формы */
        .auth-container {
            max-width: 400px;
            margin: 80px auto;
            background: #fff;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .auth-tabs {
            display: flex;
            margin-bottom: 25px;
            border-bottom: 2px solid #f4f7f6;
        }
        .tab {
            flex: 1;
            text-align: center;
            padding: 10px;
            cursor: pointer;
            font-weight: 600;
            color: #7f8c8d;
            transition: 0.3s;
        }
        .tab.active {
            color: #3498db;
            border-bottom: 2px solid #3498db;
            margin-bottom: -2px;
        }
        .form-group { margin-bottom: 15px; }
        .form-group label { display: block; margin-bottom: 5px; font-size: 14px; }
        .form-group input, .form-group select {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 8px;
            outline: none;
        }
        .btn-submit {
            width: 100%;
            padding: 12px;
            background: #3498db;
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            margin-top: 10px;
        }
        .hidden { display: none; }
        .error-box {
        background: #fee;
        color: #c0392b;
        padding: 10px;
        border-radius: 8px;
        margin-bottom: 15px;
        font-size: 14px;
        text-align: center;
        border: 1px solid #fab1a0;
    }
    .hidden { display: none; }