.topic-form-card{background:var(--color-card-bg);border-color:var(--color-border);box-shadow:var(--color-shadow,0 2px 8px #00000014)}.topic-form-card__title{color:var(--color-text)}.topic-form-card__subtitle{color:var(--color-text-muted,var(--color-text));margin-top:-.25rem;margin-bottom:1rem;font-size:.9rem}.topic-form__label{color:var(--color-text);font-weight:600}.topic-form__meta-row{justify-content:space-between;align-items:center;gap:.5rem;margin-top:.35rem;display:flex}.topic-form__helper{color:var(--color-text-muted,var(--color-text));font-size:.78rem;line-height:1.35}.topic-form__error{color:var(--color-danger);font-size:.78rem;line-height:1.35}.topic-form__error-banner{border:1px solid color-mix(in srgb, var(--color-danger) 45%, transparent);background:color-mix(in srgb, var(--color-danger) 12%, transparent);color:var(--color-danger);border-radius:8px;margin-bottom:1rem;padding:.7rem .85rem;font-size:.88rem}.topic-form__tip-card{border:1px solid var(--color-border);background:color-mix(in srgb, var(--color-card-bg) 87%, var(--color-info,#0ea5e9) 13%);border-radius:10px;margin-top:.25rem;padding:.85rem 1rem}.topic-form__tip-title{color:var(--color-text);margin-bottom:.4rem;font-size:.86rem;font-weight:700}.topic-form__tip-list{gap:.25rem;margin:0;padding-left:1rem;display:grid}.topic-form__tip-list li{color:var(--color-text-muted,var(--color-text));font-size:.83rem;line-height:1.4}.topic-form__actions{margin-top:1rem}@media (max-width:768px){.topic-form__actions{flex-direction:column}.topic-form__actions .btn{width:100%}}