/* =========================================================================
   ⚡ БАЗОВЫЕ НАСТРОЙКИ И ПЕРЕМЕННЫЕ
   ========================================================================= */
:root {
    --bg-main: #0f1720;
    --bg-card: #1e2835;
    --text-main: #ffffff;
    --text-muted: #8e8e93;
    --accent: #3390ec;
    --accent-hover: #2878c7;
    --radius-lg: 20px;
}

body, html {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    overflow-x: hidden;
}

/* =========================================================================
   🛡️ ВЕРХНЯЯ ПАНЕЛЬ (NAVBAR)
   ========================================================================= */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background: rgba(15, 23, 32, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    box-sizing: border-box;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent);
}

/* =========================================================================
   🔐 СТИЛИ ДЛЯ ИНТЕРФЕЙСА АВТОРИЗАЦИИ
   ========================================================================= */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

.login-card {
    background-color: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 400px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    margin-top: 60px; /* Отступ сверху, чтобы карточка не залезала под фиксированный navbar */
}

.login-card h2 {
    margin-top: 0;
    margin-bottom: 30px;
}

.login-input {
    width: 100%;
    padding: 14px;
    margin-bottom: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(0,0,0,0.2);
    color: white;
    font-size: 16px;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.2s;
}

.login-input:focus {
    border-color: var(--accent);
}

/* Кнопка биометрии (FaceID / TouchID) */
.btn-passkey {
    width: 100%;
    background-color: var(--text-main);
    color: var(--bg-main);
    padding: 14px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: opacity 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-passkey:hover {
    opacity: 0.9;
}

/* Кнопка Google OAuth2 */
.btn-google {
    width: 100%;
    background-color: transparent;
    color: var(--text-main);
    padding: 14px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.2);
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    box-sizing: border-box;
    transition: background 0.2s;
}

.btn-google:hover {
    background-color: rgba(255,255,255,0.05);
}

/* Разделитель "ИЛИ" */
.divider {
    margin: 25px 0;
    color: var(--text-muted);
    font-size: 14px;
    display: flex;
    align-items: center;
}

.divider::before, .divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 0 15px;
}

/* =========================================================================
   📱 АДАПТИВНОСТЬ ДЛЯ МОБИЛЬНЫХ ЭКРАНОВ
   ========================================================================= */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 15px;
        gap: 15px;
    }
    .login-card {
        padding: 24px;
        margin-top: 100px;
    }
}