.media-preview-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; align-items: start; }
.media-preview-grid .tool-field { margin-bottom: .2rem; }
@media (max-width: 760px) { .media-preview-grid { grid-template-columns: 1fr; } }

.thumb-studio-panel { margin-top: 1.1rem; padding: 1rem; border: 1px solid var(--border-color); border-radius: 18px; background: linear-gradient(145deg, rgba(99,102,241,.08), rgba(236,72,153,.05)); }
.thumb-studio-heading { display: flex; align-items: center; gap: .55rem; color: var(--text-main); font-weight: 900; margin-bottom: .85rem; }
.thumb-studio-heading i { color: var(--primary); }
.thumb-studio-heading small { margin-right: auto; color: var(--text-muted); font-weight: 500; }
.thumb-template-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .55rem; margin-bottom: 1rem; }
.thumb-template-btn { display: flex; flex-direction: column; align-items: center; gap: .28rem; padding: .7rem .4rem; border: 1px solid var(--border-color); border-radius: 13px; color: var(--text-muted); background: var(--surface); cursor: pointer; font: inherit; font-size: .78rem; transition: var(--transition); }
.thumb-template-btn i { font-size: 1.05rem; color: var(--primary); }
.thumb-template-btn:hover, .thumb-template-btn.active { color: #fff; border-color: transparent; background: linear-gradient(135deg, var(--primary), var(--secondary)); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(79,70,229,.2); }
.thumb-template-btn.active i, .thumb-template-btn:hover i { color: #fff; }
.tool-range { width: 100%; accent-color: var(--primary); }
#thumbCanvas { aspect-ratio: 16 / 9; object-fit: contain; }
@media (max-width: 760px) { .thumb-template-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } .thumb-studio-heading { flex-wrap: wrap; } .thumb-studio-heading small { width: 100%; margin-right: 0; } }