:root {
    color-scheme: light dark;
    --ww-font-base: 'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --ww-color-bg: #ffffff;
    --ww-color-text: #111827;
    --ww-color-muted: #6b7280;
    --ww-color-accent: #0ea5e9;
    --ww-color-border: rgba(17, 24, 39, 0.1);
}

body.login {
    background: radial-gradient(circle at 20% 20%, rgba(14, 165, 233, 0.15), transparent 55%),
        radial-gradient(circle at 80% 30%, rgba(56, 189, 248, 0.2), transparent 60%),
        var(--ww-color-bg);
    font-family: var(--ww-font-base);
    color: var(--ww-color-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    gap: 1.5rem;
}

body.login #login {
    width: min(360px, 100%);
}

body.login #login h1 a {
    background-image: none;
    text-indent: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    height: auto;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    font-weight: 700;
    color: var(--ww-color-text);
    letter-spacing: -0.03em;
}

body.login #loginform {
    border: 1px solid var(--ww-color-border);
    border-radius: 1rem;
    padding: 2.5rem 2rem;
    box-shadow: 0 30px 60px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(6px);
}

body.login #loginform label {
    font-weight: 600;
    color: var(--ww-color-muted);
}

body.login #loginform input[type="text"],
body.login #loginform input[type="password"] {
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--ww-color-border);
    box-shadow: none;
    transition: border 0.2s ease, box-shadow 0.2s ease;
}

body.login #loginform input[type="text"]:focus,
body.login #loginform input[type="password"]:focus {
    border-color: var(--ww-color-accent);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
}

body.login #loginform .button-primary {
    background: var(--ww-color-accent);
    border: none;
    border-radius: 999px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    text-shadow: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

body.login #loginform .button-primary:hover,
body.login #loginform .button-primary:focus {
    background: #0284c7;
    box-shadow: 0 10px 30px rgba(14, 165, 233, 0.25);
    transform: translateY(-1px);
}

body.login .forgetmenot label {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-weight: 500;
}

body.login #nav,
body.login #backtoblog {
    text-align: center;
    width: 100%;
    font-weight: 500;
}

body.login #nav a,
body.login #backtoblog a {
    color: var(--ww-color-accent);
}

@media (prefers-color-scheme: dark) {
    :root {
        --ww-color-bg: #0f172a;
        --ww-color-text: #e2e8f0;
        --ww-color-muted: #94a3b8;
        --ww-color-accent: #38bdf8;
        --ww-color-border: rgba(148, 163, 184, 0.3);
    }

    body.login #loginform {
        background: rgba(15, 23, 42, 0.7);
        border-color: rgba(148, 163, 184, 0.3);
        box-shadow: 0 30px 60px rgba(2, 6, 23, 0.55);
    }

    body.login #login h1 a {
        color: var(--ww-color-text);
    }
}