/* AI 선생님 chat: full-screen layer; only the message list scrolls. */
body.tutor-open{overflow:hidden}
.tutor{position:fixed;inset:0;z-index:85;display:grid;grid-template-rows:auto auto 1fr auto auto;background:radial-gradient(120% 70% at 50% 0%,#eaf1fd 0%,var(--pl-bg,#f6f5ef) 55%);color:var(--pl-ink,#1c2b26);font-family:var(--pl-font,system-ui)}
.tutor>*{width:100%;max-width:820px;margin:0 auto;box-sizing:border-box;padding-left:18px;padding-right:18px}
.tutor-top{display:flex;align-items:center;gap:12px;padding-top:14px;padding-bottom:8px}
.tutor-icon{flex:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--pl-line,#e3e8e4);background:var(--pl-surface,#fff);cursor:pointer;font-size:16px}
.tutor-heading{flex:1;display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-width:0}
.tutor-heading h1{margin:0;font-size:22px;letter-spacing:-.4px}
.tutor-badge{display:inline-grid;place-items:center;height:22px;padding:0 6px;border-radius:6px;background:linear-gradient(135deg,#3b6fd8,#1b6b52);color:#fff;font-size:11px;font-weight:800}
.tutor-sub{font-size:13px;color:var(--pl-muted)}
.tutor-reset{border:1px solid var(--pl-line);background:var(--pl-surface,#fff);border-radius:999px;padding:6px 12px;font:inherit;font-size:13px;font-weight:700;color:var(--pl-muted);cursor:pointer}
.tutor-bar{display:flex;align-items:center;gap:8px;padding-bottom:8px}
.tutor-modes{flex:1;display:flex;gap:4px;padding:4px;border-radius:12px;background:var(--pl-soft,#eef2f0);overflow-x:auto}
.tutor-mode{flex:1;min-height:34px;padding:0 10px;border:0;border-radius:9px;background:transparent;font:inherit;font-size:13.5px;font-weight:700;color:var(--pl-muted);cursor:pointer;white-space:nowrap}
.tutor-mode[aria-checked=true]{background:var(--pl-surface,#fff);color:#2f5fb8;box-shadow:0 1px 4px rgba(0,0,0,.1)}
.tutor-level{min-height:38px;border:1px solid var(--pl-line);border-radius:10px;padding:0 8px;font:inherit;font-size:13.5px;background:var(--pl-surface,#fff)}
.tutor-log{min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding-top:6px;padding-bottom:10px}
.tutor-msg{max-width:82%;display:flex;flex-direction:column;gap:4px}
.tutor-msg p{margin:0;padding:10px 14px;border-radius:16px;font-size:15px;line-height:1.55;white-space:pre-wrap;word-break:break-word}
.tutor-assistant{align-self:flex-start}.tutor-assistant p{background:var(--pl-surface,#fff);border:1px solid #dbe6f5;border-top-left-radius:4px}
.tutor-user{align-self:flex-end}.tutor-user p{background:#1b6b52;color:#fff;border-top-right-radius:4px}
.tutor-wait p{color:var(--pl-muted);font-style:italic}
.tutor-error p{border-color:#f3c7b4;background:#fff5f0;color:#9a3b12;font-style:normal}
.tutor-listen{align-self:flex-start;border:0;background:none;padding:0 4px;font:inherit;font-size:12.5px;font-weight:700;color:#2f5fb8;cursor:pointer}
.tutor-starters{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.tutor-starter{border:1px solid #cfdcf2;background:#f5f8fe;color:#2f4a7a;border-radius:999px;padding:7px 12px;font:inherit;font-size:13.5px;cursor:pointer}
.tutor-starter:hover{background:#e8f0fc}
.tutor-form{display:flex;align-items:flex-end;gap:8px;padding-top:8px;padding-bottom:6px}
.tutor-input{flex:1;min-height:46px;max-height:140px;resize:none;padding:12px 14px;border:1px solid var(--pl-line-strong,#cdd8d2);border-radius:14px;font:inherit;font-size:15px;background:var(--pl-surface,#fff);color:inherit;field-sizing:content}
.tutor-input:focus{outline:none;border-color:#2f5fb8;box-shadow:0 0 0 3px rgba(47,95,184,.15)}
.tutor-send{min-height:46px;padding:0 18px;border:0;border-radius:14px;background:#2f5fb8;color:#fff;font:inherit;font-weight:800;cursor:pointer}
.tutor-mic{width:46px;height:46px;border:1px solid var(--pl-line);border-radius:14px;background:var(--pl-surface,#fff);font-size:18px;cursor:pointer}
.tutor-mic[data-on=true]{background:#fde8e8;border-color:#f0b4b4}
.tutor-note{margin:0;padding-bottom:12px;font-size:12px;color:var(--pl-muted);text-align:center}
@media (max-width:640px){.tutor-sub{display:none}.tutor-msg{max-width:92%}.tutor-bar{flex-wrap:wrap}.tutor-level{width:100%}}