:root {
    --superauth-bg: var(--app-page-start);
    --superauth-bg-deep: color-mix(in srgb, var(--app-page-start) 54%, var(--app-page-end));
    --superauth-surface: color-mix(in srgb, var(--app-surface-elevated) 94%, transparent);
    --superauth-surface-soft: color-mix(in srgb, var(--app-surface-soft) 88%, #ffffff);
    --superauth-ink: var(--app-text-strong);
    --superauth-muted: var(--app-text-soft);
    --superauth-line: var(--app-border-mid);
    --superauth-line-strong: var(--app-border-strong);
    --superauth-accent: var(--app-accent-deep);
    --superauth-accent-deep: color-mix(in srgb, var(--app-accent-deep) 82%, #000000);
    --superauth-alert-bg: color-mix(in srgb, #d9534f 12%, var(--app-surface-elevated));
    --superauth-alert-line: color-mix(in srgb, #d9534f 28%, var(--app-border-mid));
    --superauth-alert-text: #8e2b2b;
    --superauth-shadow: var(--app-shadow-panel);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body.superauth-body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--app-font-body, "Geologica", sans-serif);
    color: var(--superauth-ink);
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--app-surface-elevated) 50%, transparent), transparent 42%),
        linear-gradient(180deg, var(--superauth-bg) 0%, var(--superauth-bg-deep) 100%);
}

body.superauth-body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(color-mix(in srgb, var(--superauth-accent) 8%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--superauth-accent) 8%, transparent) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    opacity: 0.35;
}

.superauth-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.superauth-panel {
    width: min(390px, calc(100vw - 20px));
    border: 1px solid color-mix(in srgb, var(--superauth-line-strong) 76%, #ffffff);
    border-radius: var(--app-module-panel-radius);
    background: var(--superauth-surface);
    box-shadow: var(--superauth-shadow);
    backdrop-filter: blur(10px);
}

.superauth-panel--form {
    padding: var(--app-module-panel-padding-compact);
}

.superauth-form-header {
    margin-bottom: 16px;
}

.superauth-heading {
    margin: 0;
    font-size: var(--app-module-page-title-size);
    line-height: var(--app-module-page-title-leading);
    font-weight: var(--app-module-page-title-weight);
    letter-spacing: var(--app-module-page-title-tracking);
    color: var(--superauth-ink);
}

.superauth-alert {
    margin-bottom: 14px;
    padding: 11px 12px;
    border: 1px solid var(--superauth-alert-line);
    border-radius: 14px;
    font-size: var(--app-size-md);
    line-height: var(--app-leading-copy);
}

.superauth-alert--error {
    color: var(--superauth-alert-text);
    background: var(--superauth-alert-bg);
}

.superauth-form {
    display: grid;
    gap: 12px;
}

.superauth-field label {
    display: block;
    margin-bottom: 6px;
    font-family: var(--app-module-label-font);
    font-size: var(--app-module-label-size);
    line-height: var(--app-module-label-leading);
    font-weight: var(--app-module-label-weight);
    letter-spacing: var(--app-module-label-tracking);
    color: var(--superauth-ink);
}

.superauth-input {
    width: 100%;
    min-height: 46px;
    padding: 11px 13px;
    border: 1px solid var(--superauth-line);
    border-radius: 14px;
    background: var(--superauth-surface-soft);
    color: var(--superauth-ink);
    font-size: var(--app-size-body);
    line-height: var(--app-leading-note);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.superauth-input:hover {
    border-color: var(--superauth-line-strong);
}

.superauth-input:focus {
    outline: none;
    border-color: var(--superauth-accent);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--superauth-accent) 14%, transparent);
}

.superauth-turnstile-wrap {
    padding: 10px 12px;
    border: 1px solid var(--superauth-line);
    border-radius: 16px;
    background: color-mix(in srgb, var(--app-surface-elevated) 92%, transparent);
}

.superauth-turnstile-wrap .h-captcha,
.superauth-turnstile-wrap iframe {
    display: block;
    max-width: 100%;
}

.superauth-turnstile-note {
    margin-top: 8px;
    font-size: var(--app-size-xs);
    line-height: var(--app-leading-stack);
    color: var(--superauth-muted);
}

.superauth-button {
    min-height: var(--app-module-button-min-height);
    padding: var(--app-module-button-padding-y) var(--app-module-button-padding-x);
    border: 0;
    border-radius: var(--app-module-button-radius);
    background: linear-gradient(180deg, var(--superauth-accent) 0%, var(--superauth-accent-deep) 100%);
    color: var(--app-surface-elevated);
    font-family: var(--app-module-button-font);
    font-size: var(--app-module-button-size);
    line-height: var(--app-module-button-leading);
    font-weight: var(--app-module-button-weight);
    letter-spacing: var(--app-module-button-tracking);
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
    box-shadow: 0 14px 24px color-mix(in srgb, var(--superauth-accent-deep) 20%, transparent);
}

.superauth-button:hover {
    filter: brightness(1.03);
    transform: translateY(-1px);
}

.superauth-button:active {
    transform: translateY(0);
}

@media (max-width: 480px) {
    .superauth-shell {
        padding: 10px;
    }

    .superauth-panel {
        width: min(100%, calc(100vw - 12px));
        border-radius: calc(var(--app-module-panel-radius) - 4px);
    }

    .superauth-panel--form {
        padding: var(--app-module-panel-padding-compact);
    }

    .superauth-heading {
        font-size: var(--app-size-4xl);
    }
}