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0;z-index:50}.menu.up{top:auto;bottom:calc(100% + 6px)}.menu.left{right:auto;left:0}.menu button,.menu a{display:flex;align-items:center;gap:var(--s-3);width:100%;padding:12px 16px;border:0;background:none;cursor:pointer;text-align:left;color:var(--ink);font-size:var(--fs-14);font-weight:500}.menu button:hover,.menu a:hover{background:var(--surface-2);text-decoration:none}.menu button.danger{color:var(--error-text)}.menu hr{border:0;border-top:1px solid var(--border);margin:8px 0}.scrim{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;z-index:80;display:flex;animation:fade .2s}@keyframes fade{0%{opacity:0}}.modal{margin:auto;width:100%;max-width:520px;max-height:calc(100vh - 48px);background:var(--surface);border-radius:var(--r-modal);box-shadow:var(--shadow-overlay);display:flex;flex-direction:column;animation:rise .25s var(--ease);overflow:hidden}@media (min-width: 768px){.drawer:not(:has(.assist)){margin:auto;height:auto;max-height:calc(100vh - 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1fr;background:var(--bg)}.auth-side{background:var(--surface-2);color:var(--ink);padding:var(--s-7);display:flex;flex-direction:column;justify-content:space-between;gap:var(--s-6);border-right:1px solid var(--border)}.auth-side h1{color:var(--ink);font-size:40px;line-height:1.12;letter-spacing:-.03em;max-width:460px}.auth-side strong{color:var(--ink)!important}.auth-points{display:flex;flex-direction:column;gap:var(--s-4);font-size:var(--fs-16);max-width:420px;color:var(--text-2)}.auth-points div{display:flex;gap:var(--s-3);align-items:flex-start}.auth-points svg{flex:none;width:36px;height:36px;padding:8px;border-radius:10px;background:var(--surface);color:var(--accent);border:1px solid var(--border);box-sizing:border-box;margin-top:-4px}.auth-art{flex:1 1 0;min-height:0;width:100%;max-height:300px;object-fit:contain;object-position:right bottom;-webkit-user-select:none;user-select:none;pointer-events:none}@media (max-height: 720px){.auth-art{display:none}}.auth-main{display:flex;align-items:center;justify-content:center;padding:var(--s-6) var(--s-4)}.auth-card{width:100%;max-width:440px;display:flex;flex-direction:column;gap:var(--s-5)}.role-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s-3)}.role-tile{display:flex;flex-direction:column;gap:var(--s-1);padding:var(--s-4);border-radius:var(--r-card);border:1px solid var(--border-mid);background:var(--surface);cursor:pointer;text-align:left;color:inherit;transition:box-shadow .15s var(--ease),border-color .15s var(--ease)}.role-tile:hover{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink);text-decoration:none}.role-tile svg{color:var(--accent);margin-bottom:6px}.demo-box{border:1px dashed var(--border-strong);border-radius:14px;padding:var(--s-4);font-size:var(--fs-14);background:var(--surface);display:flex;flex-direction:column;gap:var(--s-2)}.inst-bar{display:flex;align-items:center;gap:var(--s-3);padding:var(--s-3) 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