/*
 * Identity-Pages (Login/Register/Logout/2FA/Reset/Lockout/AccessDenied).
 * Standalone Razor-Pages in Areas/Identity/Pages/. Tokens kommen aus tokens.css.
 *
 * Spec: docs/specs/design-system.md (Layout + Forms)
 */

* { box-sizing: border-box; }

body.cs-account {
    margin: 0;
    font-family: var(--cs-font-body);
    font-feature-settings: var(--cs-font-feature-settings);
    /* Login-Hintergrund: dezenter Slate->Sage-Verlauf. Plan-B-Branding,
     * keine Material-3-Tonal-Container mehr (DESIGN.md / ADR-0023). */
    background: linear-gradient(135deg, var(--cs-color-surface-subtle) 0%, var(--cs-color-accent-soft) 100%);
    color: var(--cs-color-text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--cs-space-lg);
    -webkit-font-smoothing: antialiased;
}

.cs-account-card {
    background: var(--cs-color-surface);
    padding: var(--cs-space-10);
    border-radius: var(--cs-radius-xl);
    box-shadow: var(--cs-elevation-3);
    width: 100%;
    max-width: 420px;
}

.cs-account-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--cs-space-sm);
    margin-bottom: var(--cs-space-xl);
    font-family: var(--cs-font-display);
    font-weight: 600;
    font-size: 18px;
    color: var(--cs-color-primary);
}

.cs-account-brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--cs-color-primary);
    color: var(--cs-color-on-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.cs-account-card h1 {
    margin: 0 0 var(--cs-space-sm);
    font-family: var(--cs-font-display);
    font-size: var(--cs-type-h2-size);
    line-height: var(--cs-type-h2-line);
    font-weight: 600;
    letter-spacing: -0.005em;
    color: var(--cs-color-text-primary);
}

.cs-account-card .subtitle {
    margin: 0 0 var(--cs-space-6);
    color: var(--cs-color-on-surface-variant);
    font-size: var(--cs-type-body-medium-size);
    line-height: var(--cs-type-body-medium-line);
}

.cs-account-card label {
    display: block;
    font-size: var(--cs-type-body-small-size);
    color: var(--cs-color-on-surface-variant);
    font-weight: 500;
    margin-bottom: var(--cs-space-1);
}

.cs-account-card input[type=text],
.cs-account-card input[type=email],
.cs-account-card input[type=password],
.cs-account-card input[type=number] {
    width: 100%;
    padding: 14px var(--cs-space-4);
    border: 1px solid var(--cs-color-outline);
    border-radius: var(--cs-radius-sm);
    font: inherit;
    font-size: var(--cs-type-body-large-size);
    background: var(--cs-color-surface);
    color: var(--cs-color-on-surface);
    margin-bottom: var(--cs-space-4);
    transition: border-color var(--cs-motion-fast) var(--cs-motion-easing),
                box-shadow var(--cs-motion-fast) var(--cs-motion-easing);
}

.cs-account-card input:focus {
    outline: none;
    border-color: var(--cs-color-primary);
    border-width: 2px;
    padding: 13px 15px;
}

.cs-account-card button[type=submit] {
    width: 100%;
    padding: 14px var(--cs-space-lg);
    background: var(--cs-color-primary);
    color: var(--cs-color-on-primary);
    border: none;
    border-radius: var(--cs-radius-default);
    font-family: var(--cs-font-display);
    font-size: var(--cs-type-body-sm-size);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--cs-motion-fast) var(--cs-motion-easing),
                transform var(--cs-motion-fast) var(--cs-motion-easing),
                box-shadow var(--cs-motion-fast) var(--cs-motion-easing);
}

.cs-account-card button[type=submit]:hover {
    background: var(--cs-color-primary-hover);
    box-shadow: var(--cs-elevation-sm);
}

.cs-account-card button[type=submit]:active {
    transform: scale(0.98);
}

.cs-account-card .secondary-link {
    display: block;
    text-align: center;
    margin-top: var(--cs-space-4);
    color: var(--cs-color-primary);
    text-decoration: none;
    font-size: var(--cs-type-body-medium-size);
    font-weight: 500;
    padding: var(--cs-space-2);
    border-radius: var(--cs-radius-xs);
    transition: background var(--cs-motion-fast) var(--cs-motion-easing);
}

.cs-account-card .secondary-link:hover {
    background: var(--cs-color-surface-container);
}

.cs-account-card .error-summary {
    background: var(--cs-color-error-container);
    color: var(--cs-color-on-error-container);
    padding: var(--cs-space-3) var(--cs-space-4);
    border-radius: var(--cs-radius-sm);
    font-size: var(--cs-type-body-small-size);
    margin-bottom: var(--cs-space-4);
}

.cs-account-card .error-summary ul {
    margin: 0;
    padding-left: var(--cs-space-5);
}

.cs-account-card .field-error {
    display: block;
    color: var(--cs-color-error);
    font-size: var(--cs-type-body-small-size);
    margin-top: calc(-1 * var(--cs-space-3));
    margin-bottom: var(--cs-space-3);
}