/* =============================================================================
   llmVPN — Страница входа (Black & Gold)
   ============================================================================= */

.login-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.login-card {
    background: rgba(20, 20, 20, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 24px;
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.8), var(--glow-gold);
    animation: slideUp 0.6s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-gold);
    border-radius: 50%;
    font-size: 3rem;
    color: var(--black);
    box-shadow: var(--glow-gold-strong);
    animation: pulse 2s ease-in-out infinite;
}

.login-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* Форма */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gold);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group label i {
    color: var(--gold);
}

.form-group input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    color: var(--cream);
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

.form-group input::placeholder {
    color: var(--gray);
}

.form-group input:focus {
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.05);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.2);
}

.password-input {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input input {
    padding-right: 3rem;
}

.toggle-password {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease;
}

.toggle-password:hover {
    color: var(--gold);
}

/* Опции формы */
.form-options {
    display: flex;
    justify-content: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
    font-size: 0.9rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--gold);
    cursor: pointer;
}

/* Сообщение об ошибке */
.error-message {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(244, 63, 94, 0.1);
    border: 1px solid rgba(244, 63, 94, 0.3);
    border-radius: 12px;
    color: #f43f5e;
    font-size: 0.9rem;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.error-message i {
    font-size: 1.25rem;
}

/* Кнопка входа */
.btn-login-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--gradient-gold);
    border: none;
    border-radius: 12px;
    color: var(--black);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.btn-login-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.6);
}

.btn-login-submit:active {
    transform: translateY(-1px);
}

.btn-login-submit i {
    transition: transform 0.3s ease;
}

.btn-login-submit:hover i {
    transform: translateX(5px);
}

/* Footer */
.login-footer {
    margin-top: 2rem;
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.login-footer p {
    color: var(--gray);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.login-footer p i {
    color: var(--gold);
    margin-right: 0.5rem;
}

.login-footer .hint {
    font-size: 0.75rem;
    color: var(--gray);
    opacity: 0.7;
}

/* Вернуться на главную */
.back-home {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.back-home:hover {
    color: var(--gold);
}

.back-home i {
    transition: transform 0.3s ease;
}

.back-home:hover i {
    transform: translateX(-5px);
}

/* Анимация загрузки */
.btn-login-submit.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-login-submit.loading span {
    display: none;
}

.btn-login-submit.loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 0, 0, 0.3);
    border-top-color: var(--black);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Адаптивность */
@media (max-width: 480px) {
    .login-container {
        padding: 1rem 0.75rem;
        justify-content: center;
    }

    .login-card {
        padding: 1.5rem 1rem;
        max-width: 100%;
        border-radius: 20px;
    }

    .login-header {
        margin-bottom: 1rem;
    }

    .login-header h1 {
        font-size: 1.25rem;
    }

    .login-header p {
        font-size: 0.8rem;
    }

    .login-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
        margin-bottom: 0.75rem;
    }

    .login-form {
        gap: 0.75rem;
    }

    .form-group {
        gap: 0.4rem;
    }

    .form-group label {
        font-size: 0.8rem;
    }

    .form-group input {
        padding: 0.75rem 0.875rem;
        font-size: 0.85rem;
    }

    .btn-login-submit {
        padding: 0.75rem 1.25rem;
        font-size: 0.85rem;
        margin-top: 0.5rem;
    }

    .form-options {
        margin: 0.25rem 0;
    }

    .checkbox-label {
        font-size: 0.75rem;
    }

    .error-message {
        padding: 0.75rem;
        font-size: 0.75rem;
    }

    .login-footer {
        margin-top: 1rem;
        padding-top: 0.75rem;
    }

    .login-footer p {
        font-size: 0.7rem;
    }

    .login-footer .hint {
        font-size: 0.65rem;
    }

    .back-home {
        margin-top: 0.75rem;
        font-size: 0.8rem;
    }
}