.cp{position:relative;flex:none;min-width:0}.cp-box{display:inline-flex;align-items:center;gap:8px;width:280px;max-width:100%;height:var(--control-h);padding:0 10px 0 6px;border:1px solid var(--line);border-radius:var(--radius-control);background:var(--surface);color:var(--ink);font:inherit;text-align:left;cursor:pointer}.cp-box:hover{border-color:var(--line-strong)}.cp-box[aria-expanded=true]{border-color:#c9d3f2}.cp-box:focus-visible{outline:2px solid var(--accent-bright);outline-offset:2px}.cp-box>svg{flex:none;margin-left:auto;color:var(--muted)}.cp-text{flex:1 1 auto;min-width:0;overflow:hidden;font-size:14px;text-overflow:ellipsis;white-space:nowrap}.cp-text b{font-weight:700}.cp-teacher{color:var(--muted);font-size:13px}.cp-face{display:grid;flex:none;place-items:center;width:26px;height:26px;border-radius:7px;font-size:15px;line-height:1}.cp-pop{position:absolute;top:calc(100% + 6px);left:0;z-index:40;width:max(100%,320px);max-width:calc(100vw - 32px);padding:10px;border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--ink);box-shadow:0 16px 40px rgba(15,23,42,.14)}.cp-search{position:relative}.cp-search>svg{position:absolute;top:50%;left:12px;color:var(--muted);transform:translateY(-50%);pointer-events:none}.cp-field{width:100%;height:38px;padding:0 12px 0 36px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;font-size:15px}.cp-field::placeholder{color:var(--placeholder,#76787c)}.cp-field:focus{border-color:var(--line-strong);outline:none;box-shadow:none}.cp-list{position:relative;display:flex;flex-direction:column;gap:2px;max-height:440px;margin-top:8px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}.cp-list>button{display:flex;flex:none;align-items:center;gap:12px;width:100%;min-height:40px;padding:5px 10px;border:0;border-radius:8px;background:transparent;color:var(--ink);font:inherit;text-align:left;cursor:pointer}.cp-list>button.is-active{background:var(--canvas)}.cp-list>button.is-current{background:var(--accent-soft);color:var(--accent)}.cp-title{flex:1 1 auto;min-width:0;overflow:hidden;font-size:14px;text-overflow:ellipsis;white-space:nowrap}.is-current>.cp-title{font-weight:700}.cp-row-teacher{flex:none;color:var(--muted);font-size:13px;white-space:nowrap}.is-current>.cp-row-teacher{color:var(--ink);font-weight:700}.cp-empty{margin:0;padding:18px 10px;color:var(--muted);font-size:13px;text-align:center}@media (max-width:700px){.cp{flex:1 1 100%}.cp-box{width:100%}.cp-pop{right:auto;width:min(320px,100%);max-width:none}.cp-list{max-height:min(440px,60vh)}}