.mem-hier{display:flex;flex-direction:column;background:var(--color-bg);border-radius:var(--radius-md);overflow:hidden;min-height:540px}.mem-hier__toolbar{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--color-border);flex-shrink:0;flex-wrap:wrap;gap:8px}.mem-hier__toolbar-left{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.mem-hier__title{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--color-purple)}.mem-hier__step-badge{font-family:var(--font-mono);font-size:.62rem;padding:4px 12px;border-radius:20px;border:1px solid rgba(108,99,255,.3);color:var(--color-text-muted);letter-spacing:.08em;transition:all .25s ease}.mem-hier__step-badge--active{border-color:var(--color-purple);color:var(--color-purple);background:rgba(108,99,255,.1)}.mem-hier__canvas-wrap{flex:1;position:relative;min-height:420px}.mem-hier__canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.mem-hier__log{padding:10px 24px;border-top:1px solid var(--color-border);font-family:var(--font-mono);font-size:.72rem;color:var(--color-purple);letter-spacing:.04em;min-height:40px;display:flex;align-items:center;flex-shrink:0;line-height:1.5}.mem-hier__controls{display:flex;align-items:center;gap:10px;padding:12px 24px;border-top:1px solid rgba(108,99,255,.1);flex-shrink:0}.mem-hier__btn{font-family:var(--font-mono);font-size:.72rem;padding:8px 20px;border:1px solid #2a2a3a;background:0 0;color:var(--color-text-muted);cursor:pointer;border-radius:var(--radius-sm);transition:all .2s ease;letter-spacing:.06em}.mem-hier__btn:hover{border-color:var(--color-purple);color:var(--color-purple)}.mem-hier__btn--primary{border-color:var(--color-purple);color:var(--color-purple)}.mem-hier__btn--primary:hover{background:var(--color-purple);color:#0f0f1a}.mem-hier__btn:disabled{opacity:.35;cursor:not-allowed}@media (max-width:768px){.mem-hier__modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.8);backdrop-filter:blur(4px);z-index:9999;align-items:center;justify-content:center;padding:20px}.mem-hier__modal-overlay.is-active{display:flex}.mem-hier__modal-content{width:100%;max-width:360px;background:#1a1a2e;border:1px solid #6c63ff;border-radius:12px;padding:24px;position:relative;box-shadow:0 20px 40px rgba(0,0,0,.5)}.mem-hier__modal-title{font-size:1.1rem;color:#6c63ff;margin-bottom:12px;font-weight:600}.mem-hier__modal-body{color:#cbd5e1;font-size:.9rem;line-height:1.6;white-space:pre-line}.mem-hier__modal-close{position:absolute;top:12px;right:12px;background:0 0;border:none;color:#94a3b8;font-size:1.5rem;cursor:pointer}}