.vhugo-chat{width:100%;max-width:980px;margin:0 auto;border:1px solid rgb(0 0 0 / .12);border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 10px 30px rgb(0 0 0 / .06);font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}.vhugo-chat__header{display:flex;gap:12px;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid rgb(0 0 0 / .08);background:linear-gradient(180deg,rgb(0 0 0 / .03),transparent)}.vhugo-chat__title{font-size:16px;font-weight:700;letter-spacing:.2px}.vhugo-chat__controls{display:flex;gap:8px;align-items:center}.vhugo-chat__btn{border:1px solid rgb(0 0 0 / .15);background:#fff;border-radius:999px;padding:8px 10px;font-size:13px;cursor:pointer}.vhugo-chat__btn--ghost{opacity:.85}.vhugo-chat__btn--danger{border-color:rgb(180 0 0 / .45);background:rgb(255 0 0 / .06)}.vhugo-chat.is-recording .vhugo-chat__header{background:linear-gradient(180deg,rgb(255 0 0 / .10),transparent)}.vhugo-chat__log{height:min(64vh, 520px);overflow:auto;padding:14px;background:#fafafa}.vhugo-turn{margin:10px 0;display:flex;flex-direction:column;gap:6px}.vhugo-turn__label{font-size:12px;opacity:.75}.vhugo-turn__bubble{display:inline-block;max-width:86%;padding:12px 12px;border-radius:14px;line-height:1.35;font-size:15px;border:1px solid rgb(0 0 0 / .08);background:#fff;white-space:normal;word-break:break-word}.vhugo-turn--user{align-items:flex-end}.vhugo-turn--user .vhugo-turn__bubble{background:#fff}.vhugo-turn--bot{align-items:flex-start}.vhugo-turn--bot .vhugo-turn__bubble{background:#fffdf7}.vhugo-chat__composer{display:flex;gap:10px;padding:12px 12px;border-top:1px solid rgb(0 0 0 / .08);background:#fff}.vhugo-chat__input{flex:1;resize:vertical;min-height:44px;max-height:160px;padding:10px 10px;border-radius:12px;border:1px solid rgb(0 0 0 / .18);font-size:15px;outline:none}.vhugo-chat__input:focus{border-color:rgb(0 0 0 / .35)}.vhugo-chat__send{width:120px;border:0;border-radius:12px;font-weight:700;cursor:pointer;padding:10px 12px;background:#111;color:#fff}.vhugo-chat.is-busy .vhugo-chat__send{opacity:.65;cursor:wait}.vhugo-chat__footer{display:flex;justify-content:space-between;gap:10px;padding:10px 12px;font-size:12px;opacity:.8;border-top:1px solid rgb(0 0 0 / .06);background:#fff}@media (max-width:640px){.vhugo-chat__log{height:min(62vh, 520px)}.vhugo-chat__send{width:92px}.vhugo-turn__bubble{max-width:92%;font-size:15px}}.vhugo-chat__teacher-mode{margin:0;padding:12px 16px 14px;border-top:1px solid rgb(0 0 0 / .08);border-bottom:1px solid rgb(0 0 0 / .08);background:linear-gradient(135deg,#fffdf7 0%,#f4efe7 52%,#eefaf3 100%)}.vhugo-chat__teacher-title{margin:0 0 9px 0;color:#2b1c12;font-size:13px;font-weight:800;line-height:1.25;letter-spacing:.2px}.vhugo-chat__teacher-buttons{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.vhugo-chat__teacher-buttons .vhugo-chat__btn{min-width:78px;justify-content:center;border-color:rgb(43 28 18 / .18);background:rgb(255 255 255 / .86);color:#2b1c12;font-weight:700;box-shadow:0 3px 10px rgb(0 0 0 / .04)}.vhugo-chat__teacher-buttons .vhugo-chat__btn:hover{border-color:rgb(34 197 94 / .55)}.vhugo-chat__teacher-buttons .vhugo-chat__btn.is-active{border-color:rgb(34 197 94 / .85);background:#22c55e;color:#0b1a12;box-shadow:0 8px 18px rgb(34 197 94 / .22)}.vhugo-chat__teacher-buttons .vhugo-chat__btn:focus-visible{outline:3px solid rgb(34 197 94 / .28);outline-offset:2px}@media (max-width:640px){.vhugo-chat__teacher-mode{padding:10px 12px 12px}.vhugo-chat__teacher-title{font-size:12px;margin-bottom:8px}.vhugo-chat__teacher-buttons{gap:7px}.vhugo-chat__teacher-buttons .vhugo-chat__btn{min-width:auto;padding:8px 10px;font-size:12px}}