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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
}

/* Основная карточка */
.form-wrapper {
    background: white;
    max-width: 520px;
    width: 100%;
    padding: 30px 35px 40px;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
    transition: 0.3s;
}

h2 {
    font-size: 28px;
    margin-bottom: 10px;
    color: #222;
    text-align: center;
    font-weight: 600;
}

/* Переключатели Вход / Регистрация */
.toggle-buttons {
    display: flex;
    gap: 12px;
    margin: 20px 0 25px;
}
.toggle-btn {
    flex: 1;
    padding: 12px 10px;
    background: white;
    border: 3px solid #ddd;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: #555;
    border-radius: 40px;
    transition: all 0.2s ease;
    text-align: center;
}
.toggle-btn:hover {
    background: #eef2ff;
    border-color: #007bff;
    color: #007bff;
}
.toggle-btn.active {
    background: #007bff;
    color: white;
    border-color: #007bff;
    box-shadow: 0 4px 10px rgba(0,123,255,0.3);
}

/* Формы */
.form-container {
    display: none;
}
.form-container.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}
label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}
input, select, textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 14px;
    font-size: 16px;
    transition: 0.2s;
    box-sizing: border-box;
}
input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.2);
}

button[type="submit"] {
    width: 100%;
    padding: 12px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 40px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 8px;
}
button[type="submit"]:hover {
    background: #0056b3;
}

/* Сообщения об ошибках */
.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: 16px;
    margin-bottom: 20px;
    border-left: 5px solid #f5c6cb;
    font-size: 14px;
}

/* Инструкция */
.instruction {
    margin-top: 40px;
    padding: 20px;
    background: #f8f9fc;
    border-radius: 20px;
    text-align: center;
    border: 1px solid #e9ecef;
}
.instruction_link {
    display: inline-block;
    background: #007bff;
    color: white;
    padding: 8px 24px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 500;
    transition: 0.2s;
}
.instruction_link:hover {
    background: #0056b3;
    text-decoration: none;
}
.instruction_text {
    margin-top: 15px;
    font-size: 13px;
    color: #555;
    line-height: 1.4;
}

/* PDF-кнопки (адаптация под карточку) */
.pdf-download-container,
.pdf-download-container2 {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}
.pdf-download-container2 {
    top: 80px;
}
.pdf-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    color: #007bff;
    padding: 10px 20px;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: 0.2s;
    border: 1px solid #ddd;
}
.pdf-download-btn:hover {
    background: #007bff;
    color: white;
    transform: translateY(-2px);
}
.pdf-icon {
    width: 18px;
    height: 18px;
}

/* Адаптивность */
@media (max-width: 600px) {
    .form-wrapper {
        padding: 25px 20px;
    }
    .pdf-download-container,
    .pdf-download-container2 {
        position: static;
        text-align: center;
        margin-bottom: 12px;
    }
    .pdf-download-container2 {
        margin-top: 8px;
    }
    .pdf-download-btn {
        width: 100%;
        justify-content: center;
    }
    .toggle-btn {
        font-size: 16px;
        padding: 10px;
    }
}