#atlas-tutor{--tutor-paper:#fbf8ef;--tutor-ink:#41483f;--tutor-muted:#7a7e71;--tutor-line:#d7d3c3;--tutor-accent:#8f5945;--tutor-dock:180px;font:13px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--tutor-ink)}
#atlas-tutor [hidden]{display:none!important}
#atlas-tutor button,#atlas-tutor input,#atlas-tutor textarea,#atlas-tutor select{font:inherit;color:inherit;box-sizing:border-box}
#atlas-tutor button{cursor:pointer;border:1px solid transparent;background:transparent;border-radius:5px;padding:5px 9px}
#atlas-tutor button:disabled{opacity:.45;cursor:default}
#atlas-tutor :is(button,input,textarea,select,a):focus-visible{outline:2px solid #8f5945;outline-offset:3px}
#atlas-tutor button:hover{background:#eae5d6;color:#7b4838}
#atlas-tutor .tutor-launcher{position:fixed;right:17px;bottom:calc(var(--tutor-dock) + 14px);z-index:25;display:flex;align-items:center;gap:7px;background:#faf7eeec;border:1px solid #cec9b9;border-radius:24px;padding:6px 13px 6px 9px;box-shadow:0 3px 13px #363c2b15;color:#737a6a;transition:box-shadow .2s,transform .2s}
.tutor-launcher>span{font:17px "Songti SC","STSong",serif;border:1px solid #c3bda8;border-radius:50%;width:26px;height:26px;display:grid;place-items:center}
.tutor-launcher small{font-size:10px;letter-spacing:1px}.tutor-launcher i{width:6px;height:6px;border-radius:50%;background:#a15b46;position:absolute;right:8px;top:3px}
body:has(dialog[open]) #atlas-tutor .tutor-launcher{visibility:hidden}
#atlas-tutor .tutor-panel{position:fixed;z-index:70;right:18px;bottom:calc(var(--tutor-dock) + 12px);width:418px;max-width:calc(100vw - 28px);height:min(660px,calc(100dvh - var(--tutor-dock) - 30px));min-height:270px;background:var(--tutor-paper);border:1px solid #c5bea9;border-radius:12px;box-shadow:0 18px 65px #303b2a40;display:flex;flex-direction:column;overflow:hidden}
.tutor-header{padding:15px 18px 12px;border-bottom:1px solid var(--tutor-line);display:flex;justify-content:space-between;align-items:center;flex:none;background:linear-gradient(120deg,#fbf8ef,#ecebdc)}
.tutor-eyebrow{font-size:9px;letter-spacing:1.3px;color:#8c8d7b}.tutor-header h2{margin:3px 0 0;font:22px "Songti SC","STSong",serif;color:#5e5747;letter-spacing:2px}.tutor-header h2 small{font:9px -apple-system,sans-serif;letter-spacing:.3px;margin-left:7px;color:#7d8673}
.tutor-actions{display:flex;gap:2px}.tutor-actions button{width:30px;height:30px;font-size:19px!important;padding:0!important}.tutor-conversation{display:flex;flex-direction:column;min-height:0;flex:1}
.tutor-context{padding:10px 18px 11px;background:#f0eee3;border-bottom:1px solid #e3dfd0;display:grid;grid-template-columns:1fr auto;column-gap:8px;flex:none}.tutor-context>span{font-size:9px;letter-spacing:1px;color:#8a8774;grid-column:1/-1}.tutor-context strong{font:14px/1.6 "Songti SC","STSong",serif;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.tutor-context small{font-size:10px;align-self:center;color:#8f765c;white-space:nowrap}
.tutor-messages{min-height:50px;flex:1;overflow:auto;overscroll-behavior:contain;padding:16px 18px;scrollbar-width:thin;scrollbar-color:#c9c3ad transparent}.tutor-intro{text-align:left;padding:9px 5px 12px}.tutor-intro-mark{font:25px "Songti SC",serif;border:1px solid #b7bea6;border-radius:8px;color:#79866e;padding:2px 8px;display:inline-block}.tutor-intro h3{font:18px "Songti SC",serif;margin:13px 0 8px}.tutor-intro p{font-size:12px;color:#858577;margin:0;line-height:1.9}
.tutor-message{margin:0 0 18px;overflow-wrap:anywhere}.tutor-message-label{font-size:10px;color:#7e806f;margin-bottom:7px;letter-spacing:.3px}.tutor-user{background:#eceadb;border:1px solid #dedac6;padding:11px 13px;border-radius:9px 9px 2px 9px;margin-left:25px}.tutor-user .tutor-message-label{font-size:9px;color:#91846a}.tutor-message p{font-size:13px;line-height:1.9;margin:7px 0;white-space:pre-wrap}.tutor-assistant .tutor-message-label{color:#5e7965}.tutor-waiting{font-size:12px;color:#77816c;padding:8px 0;line-height:1.9}.tutor-waiting::before{content:'◌';display:inline-block;margin-right:5px;font-size:20px;animation:tutor-turn 2s linear infinite}
@keyframes tutor-turn{to{transform:rotate(360deg)}}
#atlas-tutor .tutor-citation{display:inline;padding:0 3px;border:0;color:#8b5d40;font:10px Georgia;vertical-align:baseline}
.tutor-references{border-top:1px solid #dedac8;margin-top:13px;padding-top:9px}.tutor-references summary{font-size:11px;color:#7e725b;cursor:pointer}.tutor-reference-note{font-size:10px!important;color:#8a8775}.tutor-reference{padding:9px 0;border-bottom:1px solid #e6e0d0}.tutor-reference-title{padding:0!important;text-align:left;font-size:12px!important;color:#78593f!important}.tutor-reference small{display:block;font-size:9px;color:#8b8d7e;margin:4px 0}.tutor-reference p{font-size:11px;line-height:1.8}.tutor-reference a{display:block;color:#6d7f68;font-size:10px;line-height:1.7;margin:5px 0;text-decoration:underline;text-underline-offset:3px}
#atlas-tutor .tutor-connect-button,#atlas-tutor .tutor-retry{font-size:11px;border:1px solid #cec4a9;background:#f2eddd;margin-top:7px;padding:7px 10px}
.tutor-suggestions{display:flex;gap:5px;flex-wrap:wrap;padding:0 18px 12px;flex:none}.tutor-suggestions button{border:1px solid #d5d3c1!important;border-radius:14px!important;padding:4px 9px!important;color:#7b7b67!important;font-size:10px!important;text-align:left}
.tutor-composer{padding:12px 16px 10px;border-top:1px solid #d8d5c5;background:#f5f1e5;flex:none}.tutor-composer label{display:block;font-size:10px;color:#87816d;margin-bottom:5px}.tutor-composer textarea{display:block;resize:vertical;min-height:58px;max-height:130px;width:100%;border:1px solid #c7c7b3;background:#fffdf5;border-radius:7px;padding:9px 11px;font-size:13px!important;line-height:1.7;outline-offset:2px!important}.tutor-composer textarea::placeholder{color:#9e9f8e}
.tutor-composer-actions{display:flex;justify-content:flex-end;align-items:center;gap:6px;margin-top:8px}.tutor-composer-actions>span{font-size:9px;color:#8c8c79;margin-right:auto}.tutor-composer-actions #tutor-send{background:#7b8066;color:#fffdf3;padding:6px 13px;font-size:12px}.tutor-composer-actions #tutor-stop{border:1px solid #cfc4aa;color:#805d45;font-size:11px}.tutor-footnote{display:block;font-size:9px;line-height:1.6;color:#929281;margin-top:8px}
.tutor-settings{padding:15px 20px 22px;overflow:auto;overscroll-behavior:contain;min-height:0}.tutor-back{padding:0!important;font-size:11px!important;color:#8a725a!important}.tutor-settings h3{font:20px "Songti SC",serif;margin:17px 0 12px}.tutor-settings p{font-size:12px;line-height:1.9;color:#7d7f6f}.tutor-settings label{display:block;font-size:11px;margin:17px 0 6px;color:#6d725f}.tutor-settings :is(input,select){display:block;width:100%;padding:9px 10px;border:1px solid #c9c7b4;background:#fffdf5;border-radius:5px;font-size:12px!important}.tutor-settings form small{display:block;font-size:10px;color:#95917c;margin-top:7px}.tutor-config-actions{display:flex;justify-content:space-between;gap:10px;margin:17px 0 8px}.tutor-config-actions button{font-size:11px!important;border:1px solid #ccc4ab!important}.tutor-config-actions #tutor-config-save{background:#7b8066;color:#fffdf4;border-color:#7b8066!important}.tutor-config-status{color:#8a5a41!important;font-size:11px!important;min-height:1.5em}.tutor-settings-note{font-size:10px!important;border-top:1px solid #ded7c4;padding-top:13px}.tutor-notice{border-left:2px solid #b69b69;background:#eee9d8;padding:9px 11px;font-size:11px!important}
button.atlas-ask-event{display:flex;align-items:center;gap:10px;margin:13px 0 8px;padding:7px 10px;border:1px solid #c4cdb9;border-radius:5px;background:#eaf0e154;font-size:11px;color:#6c7b61;cursor:pointer}button.atlas-ask-event span{color:#959b86;font-size:9px;letter-spacing:1px}button.atlas-ask-event:hover{background:#e3e9d9}
@media(max-width:700px){#atlas-tutor .tutor-panel{right:10px;bottom:12px;width:calc(100vw - 20px);max-width:none;height:min(630px,calc(100dvh - 35px));min-height:250px}#atlas-tutor .tutor-launcher{right:12px;padding:6px 9px;bottom:calc(var(--tutor-dock) + 8px)}.tutor-launcher small{display:none}.tutor-header{padding:12px 15px}.tutor-context{padding:9px 15px}.tutor-messages{padding:13px 15px}.tutor-suggestions{padding:0 15px 10px}.tutor-footnote{font-size:9px}}
@media(prefers-reduced-motion:reduce){.tutor-waiting::before{animation:none}}