/* Auth pages: no banner or sidebar — main fills the viewport. */
body.layout--auth .main {
    top: 0;
    left: 0;
    height: 100vh;
    padding: 0;
    background-color: var(--auth-surface-page);

    ::-webkit-scrollbar {
        display: none;
    }

    scrollbar-width: none;
    -ms-overflow-style: none;
}

.signin-page {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    background-color: var(--auth-surface-page);
    overflow: hidden;
}

/* Edge vignette over waves, under the form card. */
.signin-page::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease-out;
    background: radial-gradient(ellipse 90% 80% at 50% 50%,
            transparent 40%,
            var(--auth-vignette-mid) 55%,
            var(--auth-vignette-outer) 78%,
            var(--auth-vignette-edge) 100%);
}

.signin-page:has(.signin-waves--visible)::after {
    opacity: 1;
}

.signin-waves {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0;
    transition: opacity 0.5s ease-out;
    pointer-events: none;
}

.signin-waves.signin-waves--visible {
    opacity: 1;
}

.signin-form {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 400px;
    background-color: var(--auth-surface-card);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 8px 32px var(--auth-card-shadow);
    box-sizing: border-box;
    font-family: inherit;
}

.signin-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin: 0 0 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-light);
}

/* Wordmark on auth / error cards (formerly in banner.css). */
.banner-title {
    display: inline-flex;
    align-items: baseline;
    gap: 0.4em;
    margin: 0;
    padding: 0;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    line-height: 1;
    color: var(--text-on-dark);
}

.banner-title__name {
    color: var(--text-on-dark);
    letter-spacing: 0.11em;
}

.banner-title__suffix {
    font-weight: 500;
    letter-spacing: 0.14em;
    color: var(--text-on-dark-muted);
}

.signin-brand__title.banner-title {
    margin: 0;
    font-size: 1.25rem;
}

.signin-brand__title .banner-title__name {
    color: var(--auth-brand-title);
}

.signin-brand__title .banner-title__suffix {
    color: var(--auth-brand-suffix);
}

.signin-form .form-group {
    margin-bottom: 16px;
}

.signin-form .form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--auth-label-fg);
}

.signin-form .form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--auth-input-border);
    border-radius: 4px;
    box-sizing: border-box;
    font: inherit;
    font-size: 16px;
    color: var(--auth-label-fg);
    background-color: var(--auth-surface-card);
}

.signin-form .form-group input:focus,
.signin-form .form-group input:focus-visible {
    outline: none;
    border-color: var(--auth-accent);
}

.signin-button {
    width: 100%;
    padding: 12px;
    background-color: var(--auth-accent);
    color: var(--text-on-dark);
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
}

.signin-button:hover {
    background-color: var(--auth-accent-hover);
}

.signin-button:active {
    background-color: var(--auth-accent-active);
}

.signin-error {
    margin: 0 0 16px;
    padding: 10px 12px;
    font-size: 14px;
    line-height: 1.4;
    color: var(--auth-error-fg);
    background: var(--auth-error-bg);
    border: 1px solid var(--auth-error-border);
    border-radius: 4px;
}

.signin-footer {
    margin: 16px 0 0;
    text-align: center;
    font-size: 14px;
}

.signin-footer a {
    color: var(--auth-accent);
    text-decoration: none;
}

.signin-footer a:hover {
    text-decoration: underline;
}

.signin-heading {
    padding-top: 5px;
    padding-bottom: 20px;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--auth-label-fg);
    text-align: center;
}

.signin-lead {
    margin: 0 0 20px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--auth-label-fg);
    text-align: center;
}

.signin-lead--muted {
    color: var(--text-tertiary);
    font-size: 13px;
}

.signin-lead code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
        monospace;
    font-size: 0.92em;
}

.signin-field-error {
    margin: 6px 0 0;
    font-size: 13px;
    line-height: 1.4;
    color: var(--auth-error-fg);
}

.signin-button--link {
    display: block;
    text-align: center;
    text-decoration: none;
    box-sizing: border-box;
}

/* ---- 404 (same auth shell as sign-in) ---- */

.not-found-card {
    text-align: center;
}

.not-found-card .signin-brand {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
}

.not-found-code {
    margin: 0 0 1.25rem;
    padding: 0 0 0.65rem;
    border-bottom: 1px solid var(--border-light);
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas,
        "Liberation Mono", monospace;
    font-size: 4.5rem;
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--text-tertiary);
    font-variant-numeric: tabular-nums;
}

.not-found-action {
    display: inline-block;
    text-decoration: none;
    box-sizing: border-box;
}