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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    margin: 0;
}

/* Основная карточка входа */
.login-container {
    width: 100%;
    max-width: 400px;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 1.5rem;
    box-shadow: 0 20px 35px -10px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

/* Верхняя часть */
.top-brand {
    background: linear-gradient(120deg, #4f46e5, #7c3aed);
    padding: 1.5rem 1.5rem 1.2rem;
    text-align: center;
    color: white;
}

.top-brand h2 {
    font-weight: 600;
    font-size: 1.4rem;
    margin: 0;
}

.top-brand p {
    font-size: 0.8rem;
    opacity: 0.85;
    margin-top: 0.3rem;
}

/* Форма */
.login-form {
    padding: 1.8rem 1.8rem 1.5rem;
}

.input-group {
    margin-bottom: 1rem;
    position: relative;
}

.input-group i {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 0.95rem;
    pointer-events: none;
}

.input-group input {
    width: 100%;
    padding: 0.85rem 0.9rem 0.85rem 2.5rem;
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    background-color: #fefefe;
    transition: all 0.2s ease;
    outline: none;
    color: #1e293b;
}

.input-group input:focus {
    border-color: #7c3aed;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
    background-color: #ffffff;
}

.input-group input:focus + i {
    color: #7c3aed;
}

/* Кнопка входа — большая и заметная */
.login-btn {
    width: 100%;
    background: linear-gradient(95deg, #4f46e5, #7c3aed);
    border: none;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    color: white;
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.login-btn i {
    font-size: 1rem;
    transition: transform 0.2s;
}

.login-btn:hover {
    background: linear-gradient(95deg, #4338ca, #6d28d9);
    transform: translateY(-1px);
    box-shadow: 0 8px 18px -5px rgba(79, 70, 229, 0.45);
}

/* Ссылка на регистрацию — в одну строку с текстом */
.register-link-wrapper {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 0.4rem;
    margin-top: 1.5rem;
    padding-top: 0.5rem;
}

.register-text {
    font-size: 0.85rem;
    color: #64748b;
}

.register-link-btn {
    background: none;
    border: none;
    color: #7c3aed;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: color 0.2s;
    padding: 0;
}

.register-link-btn:hover {
    color: #4f46e5;
    text-decoration: underline;
}

/* Футер с юридическими ссылками */
.privacy-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    text-align: center;
    font-size: 0.65rem;
    border-top: 1px solid #e2e8f0;
}

.privacy-footer a {
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s;
}

.privacy-footer a:hover {
    color: #7c3aed;
    text-decoration: underline;
}

.privacy-footer .separator {
    margin: 0 0.4rem;
    color: #cbd5e1;
}

/* Сообщение об ошибке */
.demo-message {
    margin-top: 1rem;
    background: #fef2f2;
    border-left: 3px solid #ef4444;
    padding: 0.6rem 0.8rem;
    border-radius: 0.5rem;
    font-size: 0.7rem;
    color: #b91c1c;
    display: none;
    font-weight: 500;
}

/* Адаптивность */
@media (max-width: 480px) {
    .login-container {
        max-width: 95%;
    }
    .login-form {
        padding: 1.5rem;
    }
    .top-brand {
        padding: 1.2rem 1rem 1rem;
    }
    .top-brand h2 {
        font-size: 1.2rem;
    }
    .login-btn {
        padding: 0.85rem;
        font-size: 0.9rem;
    }
}