.diy-theme{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:18;display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-2);writing-mode:vertical-rl;text-orientation:mixed;background:var(--color-surface-solid);color:var(--color-gray-light);border:1px solid var(--color-border);border-right:none;border-radius:var(--radius-md) 0 0 var(--radius-md);box-shadow:var(--shadow-card);font-family:var(--font-family);font-size:11px;font-weight:var(--font-weight-bold);letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:color var(--transition-fast),border-color var(--transition-fast)}.diy-theme:hover{color:var(--color-white-pure);border-color:var(--color-border-strong)}.diy-theme:focus-visible{outline:2px solid var(--color-red-text);outline-offset:2px}.diy-theme__icon{display:flex;color:var(--color-red-text);transform:rotate(90deg)}@media (max-width: 1023px){.diy-theme{top:auto;bottom:calc(var(--space-8) + var(--space-5));transform:none}}@media (max-width: 640px){.diy-theme__label{display:none}.diy-theme{padding:var(--space-2)}}@media print{.diy-theme{display:none}}