.support-shell {
    --support-card: var(--gwc-app-surface-strong, var(--signup-form-bg, #ffffff));
    --support-text: var(--gwc-app-text, var(--signup-form-text, #1f2937));
    --support-muted: var(--gwc-app-muted, var(--signup-form-subtext, #6b7280));
    --support-accent: var(--gwc-app-accent, var(--signup-accent-color, #0d6efd));
    --support-accent-strong: var(--gwc-app-accent-hover, var(--signup-accent-color-hover, #0a58ca));
    --support-accent-foreground: var(--gwc-app-accent-foreground, var(--signup-cta-text-color, #ffffff));
    --support-border: var(--gwc-app-border, var(--signup-form-border, rgba(15, 23, 42, 0.12)));
    --support-shadow: var(--gwc-app-shadow, var(--signup-form-shadow, 0 18px 40px rgba(15, 23, 42, 0.12)));
    --support-input-bg: var(--gwc-app-input-bg, var(--signup-input-bg, #ffffff));
    --support-input-border: var(--signup-input-border, rgba(148, 163, 184, 0.6));
    --support-focus-shadow: var(--signup-input-shadow-focus, 0 0 0 0.2rem rgba(13, 110, 253, 0.2));
    max-width: 980px;
    margin: 24px auto 48px;
    padding: 0 1.25rem 2.5rem;
    color: var(--support-text);
}

body.theme-dark .support-shell,
body.dark-theme .support-shell,
body[theme="dark"] .support-shell,
body[data-theme="dark"] .support-shell {
    --support-card: var(--gwc-app-surface-strong, var(--signup-form-bg, #111827));
    --support-text: var(--gwc-app-text, var(--signup-form-text, #e2e8f0));
    --support-muted: var(--gwc-app-muted, var(--signup-form-subtext, #94a3b8));
    --support-accent: var(--gwc-app-accent, var(--signup-accent-color, #fb923c));
    --support-accent-strong: var(--gwc-app-accent-hover, var(--signup-accent-color-hover, #f97316));
    --support-border: var(--gwc-app-border, rgba(148, 163, 184, 0.2));
    --support-shadow: var(--gwc-app-shadow, 0 20px 45px rgba(0, 0, 0, 0.45));
    --support-input-bg: var(--gwc-app-input-bg, var(--signup-input-bg, rgba(17, 24, 39, 0.9)));
}

.support-card {
    background: var(--support-card);
    border-radius: 8px;
    border: 1px solid var(--support-border);
    box-shadow: var(--support-shadow);
    padding: 2rem 2.5rem;
}

.support-card--loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.support-card--ok {
    text-align: center;
}

.support-header h1 {
    margin: 0 0 0.5rem;
    font-size: 2rem;
}

.support-subtitle {
    color: var(--support-muted);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.support-faq {
    margin-bottom: 1.5rem;
}

.support-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.support-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-weight: 600;
}

.support-field input,
.support-field textarea {
    border-radius: 8px;
    border: 1px solid var(--support-input-border);
    padding: 0.7rem 0.9rem;
    font-size: 0.95rem;
    background: var(--support-input-bg);
    color: var(--support-text);
}

body.theme-dark .support-field input,
body.dark-theme .support-field input,
body[theme="dark"] .support-field input,
body[data-theme="dark"] .support-field input,
body.theme-dark .support-field textarea,
body.dark-theme .support-field textarea,
body[theme="dark"] .support-field textarea,
body[data-theme="dark"] .support-field textarea {
    background: var(--support-input-bg);
    border-color: var(--support-input-border);
    color: var(--support-text);
}

.support-field input:focus-visible,
.support-field textarea:focus-visible {
    outline: 0;
    box-shadow: var(--support-focus-shadow);
    outline-offset: 2px;
    border-color: var(--support-accent);
}

.support-captcha {
    display: grid;
    gap: 1rem;
    align-items: center;
}

.support-captcha img {
    max-width: 300px;
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--support-border);
}

.support-actions {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.support-button {
    border: none;
    border-radius: 8px;
    padding: 0.65rem 1.5rem;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.support-button:focus-visible {
    outline: 0;
    box-shadow: var(--support-focus-shadow);
    outline-offset: 2px;
}

.support-button--primary {
    background: linear-gradient(135deg, var(--support-accent), var(--support-accent-strong));
    color: var(--support-accent-foreground);
    box-shadow: var(--signup-primary-shadow, 0 10px 24px rgba(15, 23, 42, 0.18));
}

.support-button--ghost {
    background: rgba(15, 23, 42, 0.08);
    color: var(--support-text);
}

body.theme-dark .support-button--ghost,
body.dark-theme .support-button--ghost,
body[theme="dark"] .support-button--ghost,
body[data-theme="dark"] .support-button--ghost {
    background: rgba(148, 163, 184, 0.18);
}

.support-alert {
    padding: 0.85rem 1rem;
    border-radius: 8px;
    font-weight: 600;
}

.support-alert--error {
    background: rgba(220, 38, 38, 0.12);
    color: #dc2626;
    border: 1px solid rgba(220, 38, 38, 0.35);
}

.support-note {
    margin-top: 1.5rem;
    color: var(--support-muted);
}

.support-contact {
    margin-top: 1.5rem;
    color: var(--support-muted);
}

.support-ok-header {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
}

.support-ok-header .fas {
    font-size: 2rem;
    color: var(--support-accent-strong);
}

.support-autoresponder {
    margin: 1.25rem 0;
    padding: 1rem;
    border-radius: 8px;
    background: rgba(15, 23, 42, 0.8);
    color: #fff;
}

.support-autoresponder > * {
    border: 1px solid #dc2626;
    padding: 0.75rem;
}

.support-loading-lines span {
    display: block;
    height: 10px;
    background: rgba(148, 163, 184, 0.25);
    border-radius: 999px;
    margin-top: 0.65rem;
}

.support-loading-lines span:nth-child(1) {
    width: 60%;
}

.support-loading-lines span:nth-child(2) {
    width: 45%;
}

.support-loading-lines span:nth-child(3) {
    width: 35%;
}

.loading-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: 0.3rem solid rgba(15, 23, 42, 0.15);
    border-top-color: var(--support-accent);
    animation: support-spin 0.75s linear infinite;
}

.loading-spinner--lg {
    width: 3rem;
    height: 3rem;
    border-width: 0.35rem;
}

@keyframes support-spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 768px) {
    .support-card {
        padding: 1.5rem;
    }

    .support-actions {
        flex-direction: column;
        align-items: stretch;
    }
}