:root {
    color-scheme: dark;
    --gs-surface: #16181c;
    --gs-panel: #202329;
    --gs-line: #2f333b;
    --gs-text: #e9eaee;
    --gs-muted: #9aa0aa;
    --gs-accent: #f0a500;
    --gs-danger: #ff6b6b;
}

body.gs-signin {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: var(--gs-surface);
    color: var(--gs-text);
    font-family: system-ui, "Segoe UI", sans-serif;
}

.gs-signin__panel {
    width: min(28rem, calc(100vw - 2rem));
    padding: 2rem;
    border: 1px solid var(--gs-line);
    border-radius: 0.75rem;
    background: var(--gs-panel);
}

.gs-signin__brand {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    color: var(--gs-accent);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.gs-signin__brand small { color: var(--gs-muted); }

.gs-signin__panel h1 { font-size: 1.5rem; margin: 1rem 0 0.25rem; }

.gs-signin__intro, .gs-signin__note { color: var(--gs-muted); font-size: 0.9rem; }

.gs-signin__error { color: var(--gs-danger); font-size: 0.9rem; }

.gs-signin__form { display: grid; gap: 0.35rem; margin: 1.25rem 0; }

.gs-signin__form label { font-size: 0.85rem; color: var(--gs-muted); }

.gs-signin__form input {
    padding: 0.55rem 0.7rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--gs-line);
    border-radius: 0.4rem;
    background: var(--gs-surface);
    color: var(--gs-text);
    font-size: 1rem;
}

.gs-signin__form select {
    padding: 0.55rem 0.7rem;
    margin-bottom: 0.25rem;
    border: 1px solid var(--gs-line);
    border-radius: 0.4rem;
    background: var(--gs-surface);
    color: var(--gs-text);
    font-size: 1rem;
}

.gs-signin__link { color: var(--gs-accent); }

.gs-signin__primary {
    margin-top: 0.5rem;
    padding: 0.6rem 1rem;
    border: 0;
    border-radius: 0.4rem;
    background: var(--gs-accent);
    color: #17181b;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
}

#blazor-error-ui {
    display: none;
    position: fixed;
    inset: auto 0 0 0;
    padding: 0.75rem 1rem;
    background: #ffe08a;
    color: #17181b;
}