.support-button{border:1px solid var(--border);border-radius:var(--radius-control);min-height:44px;color:var(--primary);background:var(--card);font-size:var(--text-control,.9375rem);justify-content:center;align-items:center;gap:10px;padding:8px 14px;font-weight:600;text-decoration:none;display:inline-flex}.support-button:hover{background:var(--secondary);border-color:var(--primary)}.support-button:focus-visible,.support-notice a:focus-visible,.support-notice button:focus-visible{outline:2px solid var(--ring);outline-offset:3px}.sidebar-bottom>.support-button{justify-content:flex-start;gap:var(--space-3);width:100%;min-height:40px;padding:var(--space-2) var(--space-4);color:var(--sidebar-link);font-size:var(--text-body);background:0 0;border:0;transition:background .15s,color .15s}.sidebar-bottom>.support-button:hover{background:var(--sidebar-hover);color:var(--foreground)}.support-button-compact{min-width:40px;min-height:40px;padding:8px}.support-floating{z-index:40;position:fixed;bottom:20px;right:20px}.support-notice{z-index:100;border:1px solid var(--border);border-radius:var(--radius-control);background:var(--card);width:max-content;max-width:calc(100vw - 32px);color:var(--foreground);align-items:center;gap:16px;padding:16px;display:flex;position:fixed;top:16px;left:50%;transform:translate(-50%);box-shadow:0 6px 24px #102f401f}.support-notice a{color:var(--primary);text-decoration:underline}.support-notice button{color:inherit;cursor:pointer;background:0 0;border:0;padding:8px}