.support-shell {
    width: 100%;
    max-width: 1120px;
    margin: 48px auto 0;
}

.support-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 28px;
}

.support-hero h1 {
    margin: 18px 0 12px;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.05;
    max-width: 760px;
}

.support-hero p {
    margin: 0;
    color: #cbd5e1;
    line-height: 1.7;
    max-width: 760px;
}

.support-login-link {
    flex: 0 0 auto;
    margin-top: 8px;
    padding: 12px 16px;
    border-radius: 8px;
    background: linear-gradient(135deg, #ff7a18, #ffb11b);
    color: #0f172a;
    font-weight: 800;
    text-decoration: none;
}

.support-layout {
    display: grid;
    grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.support-panel {
    background: rgba(8, 13, 25, 0.72);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 8px;
    padding: 22px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.22);
}

.support-compose {
    grid-row: span 2;
}

.thread-detail {
    grid-column: 2;
}

.panel-title {
    font-size: 22px;
    font-weight: 800;
}

.support-toolbar,
.thread-detail-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 18px;
}

.support-form-row {
    margin-top: 14px;
}

.support-form-row label,
.reply-form label {
    display: block;
    margin-bottom: 7px;
    color: #e2e8f0;
    font-size: 14px;
}

.support-form-row input,
.support-form-row select,
.support-form-row textarea,
.reply-form textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.08);
    color: white;
    outline: none;
    color-scheme: dark;
}

.support-form-row select {
    appearance: none;
    background-color: rgba(17, 24, 39, 0.96);
    background-image:
        linear-gradient(45deg, transparent 50%, #cbd5e1 50%),
        linear-gradient(135deg, #cbd5e1 50%, transparent 50%);
    background-position:
        calc(100% - 16px) 50%,
        calc(100% - 11px) 50%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    border-color: rgba(148, 163, 184, 0.38);
}

.support-form-row select:focus {
    border-color: rgba(92, 200, 255, 0.65);
    box-shadow: 0 0 0 3px rgba(92, 200, 255, 0.14);
}

.support-form-row select option {
    background-color: #111827;
    color: #f8fafc;
}

.support-form-row select option:checked,
.support-form-row select option:hover,
.support-form-row select option:focus {
    background-color: #1f2937;
    color: #ffffff;
    box-shadow: 0 0 0 999px #1f2937 inset;
}

.support-form-row textarea,
.reply-form textarea {
    resize: vertical;
    min-height: 110px;
}

.support-button {
    margin-top: 16px;
    padding: 11px 15px;
    border: 0;
    border-radius: 8px;
    background: linear-gradient(135deg, #ff7a18, #ffb11b);
    color: #0f172a;
    font-weight: 800;
    cursor: pointer;
}

.support-button.secondary {
    margin-top: 0;
    background: rgba(255,255,255,0.08);
    color: #e2e8f0;
    border: 1px solid rgba(255,255,255,0.12);
}

.support-status {
    min-height: 20px;
    margin-top: 14px;
    color: #cbd5e1;
    font-size: 14px;
}

.thread-list {
    display: grid;
    gap: 12px;
}

.thread-item {
    width: 100%;
    text-align: left;
    padding: 15px;
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 8px;
    background: rgba(255,255,255,0.045);
    color: white;
    cursor: pointer;
}

.thread-item:hover,
.thread-item.active {
    border-color: rgba(92, 200, 255, 0.55);
    background: rgba(92, 200, 255, 0.08);
}

.thread-item-title {
    display: block;
    margin: 7px 0;
    font-weight: 800;
    line-height: 1.35;
}

.thread-category {
    display: inline-flex;
    padding: 5px 9px;
    border-radius: 999px;
    background: rgba(92, 200, 255, 0.10);
    color: #5cc8ff;
    border: 1px solid rgba(92, 200, 255, 0.22);
    font-size: 12px;
    font-weight: 800;
}

.thread-meta {
    color: #94a3b8;
    font-size: 13px;
}

#detailTitle {
    margin: 10px 0 8px;
    font-size: 26px;
}

.thread-body,
.reply-item {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    line-height: 1.65;
}

.thread-body {
    color: #e2e8f0;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.10);
}

.reply-list {
    display: grid;
    gap: 12px;
    margin: 18px 0;
}

.reply-item {
    padding: 14px;
    border-radius: 8px;
    background: rgba(255,255,255,0.045);
    border: 1px solid rgba(255,255,255,0.08);
}

.reply-meta {
    margin-bottom: 8px;
    color: #94a3b8;
    font-size: 13px;
}

@media (max-width: 900px) {
    .support-hero,
    .support-toolbar,
    .thread-detail-head {
        flex-direction: column;
    }

    .support-layout {
        grid-template-columns: 1fr;
    }

    .support-compose,
    .thread-detail {
        grid-column: auto;
        grid-row: auto;
    }
}