.support-header {
    max-width: 620px;
    margin-bottom: var(--space-10);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
}

.support-kicker {
    display: block;
    margin-bottom: var(--space-3);
    color: var(--text-faint);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.support-header h1 {
    margin: 0 0 var(--space-3);
    color: var(--text-primary);
    font-size: var(--text-5xl);
    font-weight: 600;
    letter-spacing: -0.045em;
    line-height: 1.1;
}

.support-header p {
    margin: 0;
    color: var(--text-tertiary);
    font-size: var(--text-lg);
    line-height: 1.65;
}

.support-section {
    padding: var(--space-8) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.support-section:last-child {
    border-bottom: 0;
}

.support-section-title {
    margin-bottom: var(--space-5);
}

.support-section-title h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: var(--text-xl);
    font-weight: 600;
}

.support-section-title p {
    margin: var(--space-2) 0 0;
    color: var(--text-muted);
    font-size: var(--text-base);
}

.support-options {
    border-top: 1px solid var(--border-subtle);
}

.support-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-fast);
}

.support-option:hover {
    background: var(--bg-hover);
}

.support-option strong {
    display: block;
    color: var(--text-secondary);
    font-size: var(--text-base);
    font-weight: 600;
}

.support-option:hover strong {
    color: var(--text-primary);
}

.support-option div span {
    display: block;
    max-width: 600px;
    margin-top: var(--space-1);
    color: var(--text-muted);
    font-size: var(--text-base);
    line-height: 1.55;
}

.support-arrow {
    color: var(--text-faint);
    font-size: var(--text-md);
}

.support-option:hover .support-arrow {
    color: var(--text-tertiary);
}

.support-links {
    border-top: 1px solid var(--border-subtle);
}

.support-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-tertiary);
    font-size: var(--text-base);
}

.support-links a:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.support-links a span:last-child {
    color: var(--text-faint);
}

.support-form-page {
    padding: var(--space-10) 0 var(--space-20);
}

.support-form-container {
    max-width: 720px;
}

.support-form-back {
    display: inline-block;
    margin-bottom: var(--space-6);
    color: var(--text-muted);
    font-size: var(--text-base);
}

.support-form-back:hover {
    color: var(--text-primary);
}

.support-form-header {
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-subtle);
}

.support-form-header h1 {
    margin: 0 0 var(--space-2);
    color: var(--text-primary);
    font-size: var(--text-4xl);
    font-weight: 600;
    letter-spacing: -0.035em;
}

.support-form-header p {
    margin: 0;
    color: var(--text-muted);
    font-size: var(--text-base);
}

.support-form {
    padding-top: var(--space-8);
}

.support-form-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.support-form-field label {
    color: var(--text-tertiary);
    font-size: var(--text-base);
    font-weight: 500;
}

.support-form-field input,
.support-form-field select,
.support-form-field textarea {
    width: 100%;
    height: 42px;
    padding: 0 12px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-base);
    outline: none;
    background: transparent;
    color: var(--text-primary);
    font-size: var(--text-base);
}

.support-form-field textarea {
    height: auto;
    min-height: 160px;
    padding: var(--space-3);
    line-height: 1.6;
    resize: vertical;
}

.support-form-field input:focus,
.support-form-field select:focus,
.support-form-field textarea:focus {
    border-color: var(--border-strong);
    background: var(--bg-secondary);
}

.support-form-field select {
    color-scheme: dark;
}

.support-form-note {
    color: var(--text-faint);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.support-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
    margin-top: var(--space-8);
    padding-top: var(--space-5);
    border-top: 1px solid var(--border-subtle);
}

.support-ticket-list {
    border-top: 1px solid var(--border-subtle);
}

.support-ticket-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.support-ticket-row:hover {
    background: var(--bg-hover);
}

.support-ticket-main {
    min-width: 0;
}

.support-ticket-main strong {
    display: block;
    color: var(--text-secondary);
    font-size: var(--text-base);
    font-weight: 600;
}

.support-ticket-main span {
    display: block;
    margin-top: var(--space-1);
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.support-ticket-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-shrink: 0;
    color: var(--text-faint);
    font-size: var(--text-sm);
}

.support-thread {
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.support-thread-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-2);
}

.support-thread-head strong {
    color: var(--text-secondary);
    font-size: var(--text-base);
    font-weight: 600;
}

.support-thread-head span {
    color: var(--text-faint);
    font-size: var(--text-sm);
}

.support-thread-body {
    color: var(--text-tertiary);
    font-size: var(--text-base);
    line-height: 1.7;
    white-space: pre-wrap;
    overflow-wrap: break-word;
}

@media (max-width: 700px) {
    .support-header h1 { font-size: var(--text-4xl); }
    .support-form-actions { flex-direction: column-reverse; }
    .support-form-actions .button { width: 100%; }
}

.support-empty {
    padding: var(--space-12) var(--space-6);
    text-align: center;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.support-empty strong {
    display: block;
    margin-bottom: var(--space-2);
    color: var(--text-secondary);
    font-size: var(--text-md);
    font-weight: 600;
}

.support-empty p {
    max-width: 420px;
    margin: 0 auto var(--space-4);
    color: var(--text-muted);
    font-size: var(--text-base);
    line-height: 1.6;
}

.support-ticket-page {
    padding: var(--space-10) 0 var(--space-20);
}

.support-ticket-container {
    max-width: 820px;
}

.support-ticket-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
}

.support-ticket-head h1 {
    margin: 0 0 var(--space-2);
    color: var(--text-primary);
    font-size: var(--text-3xl);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.support-ticket-head p {
    margin: 0;
    color: var(--text-muted);
    font-size: var(--text-base);
}

.ticket-status {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    font-size: var(--text-xs);
    font-weight: 500;
    flex-shrink: 0;
}

.ticket-status.answered { color: var(--status-info); border-color: #1e3a5f; }
.ticket-status.closed { color: var(--text-faint); }

.ticket-list {
    border-top: 1px solid var(--border-subtle);
}

.ticket-row {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.ticket-row:hover {
    background: var(--bg-hover);
}

.ticket-row-main {
    min-width: 0;
    flex: 1;
}

.ticket-row-main strong {
    display: block;
    color: var(--text-secondary);
    font-size: var(--text-base);
    font-weight: 600;
}

.ticket-row-main span {
    display: block;
    margin-top: var(--space-1);
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.support-chat-layout {
    border-top: 1px solid var(--border-subtle);
}

.ticket-thread {
    max-height: 560px;
    overflow-y: auto;
}

.ticket-message {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr);
    gap: var(--space-3);
    padding: var(--space-4) 0;
    border-bottom: 1px solid var(--border-subtle);
}

.ticket-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
    font-size: var(--text-xs);
    font-weight: 600;
}

.ticket-message-head {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    margin-bottom: var(--space-1);
}

.ticket-message-head strong {
    color: var(--text-secondary);
    font-size: var(--text-base);
    font-weight: 600;
}

.ticket-message.staff .ticket-message-head strong,
.ticket-message.ai .ticket-message-head strong {
    color: var(--text-primary);
}

.ticket-message-head span {
    color: var(--text-faint);
    font-size: var(--text-xs);
}

.ticket-message-body {
    color: var(--text-tertiary);
    font-size: var(--text-base);
    line-height: 1.7;
    white-space: pre-wrap;
    overflow-wrap: break-word;
}

.ticket-reply {
    margin-top: var(--space-4);
}

.ticket-reply textarea {
    min-height: 84px;
}

.ticket-status-form {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}