.theme-toggle{background:var(--bg-secondary);border:1px solid var(--border-color);padding:.5rem 1rem;border-radius:8px;cursor:pointer;font-size:.9rem;color:var(--text-primary);transition:all .3s}.theme-toggle:hover{background:var(--accent-color);color:white;border-color:var(--accent-color)}.image-preview img{max-width:100%;max-height:300px;border-radius:8px;box-shadow:var(--shadow);margin-bottom:1rem}.dimensions-table{width:100%;border-collapse:collapse;margin-top:1rem;background:var(--bg-secondary);border-radius:8px;overflow:hidden}.dimensions-table th,.dimensions-table td{padding:.75rem;text-align:left;border-bottom:1px solid var(--border-color)}.dimensions-table th{background:var(--accent-color);color:white;font-weight:600}.dimensions-table tr:last-child td{border-bottom:none}.success-message{background:rgba(39,174,96,.1);color:var(--success-color);padding:.75rem;border-radius:8px;margin-top:1rem;border:1px solid var(--success-color)}