/* ── Login Page — global (component-level CSS) ── */

.login-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    background: var(--gradient-primary);
    overflow: hidden;
}

body.dark .login-container {
    background: var(--gradient-primary-dark);
}

.login-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: login-float 20s infinite ease-in-out;
}

.decoration-circle-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

.decoration-circle-2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    right: -100px;
    animation-delay: 5s;
}

.decoration-circle-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    right: 10%;
    animation-delay: 10s;
}

@keyframes login-float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(30px) rotate(240deg); }
}

.login-card {
    position: relative;
    z-index: 1;
    background: var(--mud-palette-background, var(--color-white));
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 3rem;
    max-width: 480px;
    width: 100%;
    backdrop-filter: blur(10px);
}

body.dark .login-card {
    background: var(--mud-palette-surface, rgba(15, 23, 42, 0.94));
}

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

.login-logo {
    height: 60px;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.login-card h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark .login-card h1 {
    background: linear-gradient(135deg, var(--color-primary-300) 0%, var(--color-primary-100) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: var(--color-gray-700);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

body.dark .login-subtitle {
    color: var(--color-gray-400);
}

.login-options {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.login-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.76rem;
    font-weight: 600;
}

.login-divider::before,
.login-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--color-muted-line);
}

body.dark .login-divider {
    color: var(--color-muted-dark);
}

body.dark .login-divider::before,
body.dark .login-divider::after {
    background: rgba(121, 134, 203, 0.25);
}

.login-footer {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-400);
    text-align: center;
}

body.dark .login-footer {
    border-top-color: var(--color-gray-700);
}

.privacy-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--color-gray-700);
    font-size: 0.85rem;
    margin: 0 0 1rem 0;
    line-height: 1.5;
}

body.dark .privacy-notice {
    color: var(--color-gray-400);
}

.privacy-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    opacity: 0.7;
}

@media (max-width: 640px) {
    .login-container {
        padding: 1rem;
    }

    .login-card {
        padding: 2rem 1.5rem;
        border-radius: 16px;
    }

    .login-card h1 {
        font-size: 1.6rem;
    }

    .login-logo {
        height: 50px;
    }
}

@media (max-width: 400px) {
    .login-options .btn-oauth span {
        font-size: 0.9rem;
    }
}