* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #0a0a0a;
    color: #fff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background-image: radial-gradient(circle at 10% 20%, rgba(80,0,0,0.8) 0%, rgba(20,0,0,0.9) 90%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    background: rgba(30, 30, 30, 0.8);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #ccc;
}

input {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid #444;
    background: rgba(20, 20, 20, 0.7);
    color: #fff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: #ff416c;
    box-shadow: 0 0 0 3px rgba(255, 65, 108, 0.3);
}

button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(45deg, #ff416c, #ff4b2b);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 75, 43, 0.4);
}

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

.logo span {
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(45deg, #ff416c, #ff4b2b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 10px rgba(255, 75, 43, 0.2);
}

.error-message {
    color: #ff6b6b;
    margin-top: 8px;
    font-size: 0.9rem;
    text-align: center;
}

/* ===== СТИЛИ ДЛЯ 2FA ===== */

/* Контейнеры для 2FA страниц */
.two-factor-container,
.setup-container {
    width: 100%;
    max-width: 400px;
    background: rgba(30, 30, 30, 0.8);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.setup-container {
    max-width: 500px;
}

/* Заголовки 2FA */
.two-factor-title,
.setup-title {
    text-align: center;
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.8rem;
    font-weight: 600;
}

/* Подзаголовки 2FA */
.two-factor-subtitle,
.setup-subtitle {
    text-align: center;
    color: #ccc;
    margin-bottom: 30px;
    font-size: 1rem;
}

/* Контейнер QR-кода */
.qr-code-container {
    text-align: center;
    margin: 20px 0;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    background: rgba(20, 20, 20, 0.5);
}

/* QR-код */
.qr-code {
    max-width: 200px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
}

/* Ручной код */
.manual-code {
    background: rgba(20, 20, 20, 0.7);
    padding: 15px;
    border-radius: 8px;
    font-family: monospace;
    text-align: center;
    margin: 15px 0;
    word-break: break-all;
    font-size: 12px;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Инструкции */
.instructions {
    background: rgba(255, 65, 108, 0.1);
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid #ff416c;
}

.instructions h4 {
    margin: 0 0 10px 0;
    color: #ff416c;
}

.instructions ol {
    margin: 0;
    padding-left: 20px;
    color: #ccc;
}

.instructions li {
    margin-bottom: 5px;
}

/* Кнопки */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(45deg, #ff416c, #ff4b2b);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 75, 43, 0.4);
}

.btn-secondary {
    background: linear-gradient(45deg, #6c757d, #545b62);
}

.btn-secondary:hover {
    box-shadow: 0 5px 15px rgba(108, 117, 125, 0.4);
}

/* Группа кнопок */
.button-group {
    text-align: center;
    margin-top: 30px;
}

.button-group .btn {
    margin: 0 10px;
}

/* Сообщения об ошибках 2FA */
.error-message {
    color: #ff6b6b;
    text-align: center;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

/* Ссылка назад */
.back-link {
    text-align: center;
    margin-top: 20px;
}

.back-link a {
    color: #ff416c;
    text-decoration: none;
    transition: color 0.3s ease;
}

.back-link a:hover {
    color: #ff4b2b;
}

/* Специальные стили для поля ввода кода 2FA */
.two-factor-container .form-group input[type="text"] {
    text-align: center;
    letter-spacing: 4px;
    font-size: 1.2rem;
    font-weight: 600;
}

.two-factor-container .form-group input[type="text"]::placeholder {
    color: #666;
    letter-spacing: 2px;
}

/* Адаптивность */
@media (max-width: 480px) {
    .login-container,
    .two-factor-container,
    .setup-container {
        padding: 20px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .two-factor-title,
    .setup-title {
        font-size: 1.5rem;
    }
    
    .button-group .btn {
        margin: 5px;
        display: block;
        width: 100%;
    }
}