body{background-color:#fff}#model-select-floating{position:fixed;top:26px;right:36px;z-index:2000;padding:1.2rem 1.5rem;border-radius:14px;border:3px dashed;background:linear-gradient(135deg,#667eea 80%,#764ba2 100%);box-shadow:0 2px 18px rgba(118,75,162,.15);color:#fff;display:flex;align-items:center;gap:1.2rem;font-weight:500;max-width:370px}#model-select{border:none;background:#fff;color:#764ba2;font-weight:700;padding:7px 18px;border-radius:7px;font-size:1.1rem;box-shadow:0 1px 6px rgba(102,126,234,.16);transition:box-shadow .2s;cursor:pointer}.upload-area{max-width:480px;margin:3rem auto;padding:2rem;border-radius:1rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-family:segoe ui,Tahoma,Geneva,Verdana,sans-serif;box-shadow:0 0 15px rgba(118,75,162,.6);text-align:center;user-select:none;cursor:pointer;transition:background .3s ease}.upload-area:hover{background:linear-gradient(135deg,#5360a7,#5a3f80)}.drop-zone{margin-top:1rem;padding:2rem;border:3px dashed rgba(255,255,255,.7);border-radius:1rem;transition:background-color .3s ease}.drop-zone.dragover{background-color:rgba(255,255,255,.15)}progress{margin-top:1rem;height:20px;border-radius:10px;overflow:hidden;background:rgba(0,0,0,.1)}.message{margin-top:1.2rem;font-weight:700;font-size:1.2rem}.btn,.btn-primary,.replay-btn{color:#fff;font-weight:700;padding:9px 18px;border-radius:11px;transition:background .18s,box-shadow .18s,transform .14s;cursor:pointer;border:2px dotted #fff}.btn:hover,.btn-primary:hover,.replay-btn:hover{transform:translateY(-2.5px)scale(1.085);border:2px dotted #fff}.prompt-input{background:rgba(240,245,255,.92);color:#764ba2;border-radius:7px;border:1.5px solid #d1c2e5;font-weight:500;padding:7px 14px;margin-right:7px;min-width:170px;transition:border-color .2s}.prompt-input:focus{border-color:#667eea;outline:none}.file-row{border-bottom:2px dashed #d1c2e5;padding-bottom:8px;padding-top:7px;padding-right:2rem;padding-left:2rem;margin-bottom:6px;justify-content:space-between;background:linear-gradient(135deg,#667eea 80%,#764ba2 100%);border-radius:9px;color:#fff}.result{font-size:1.07rem;color:#667eea;margin-left:15px;font-weight:700}a{text-decoration:none;color:#667eea;font-weight:700;padding-left:7px;transition:color .16s}a:hover{color:#f7d36a}@media(max-width:660px){#model-select-floating{top:10px;right:5px;padding:.7rem;font-size:.95rem;gap:.6rem}.file-row{flex-direction:column;font-size:.95rem;margin-bottom:13px}.prompt-input{min-width:120px}.btn,.btn-primary,.replay-btn{padding:7px 9px}}.ai-result-block{background:rgba(240,245,255,.98);color:#764ba2;border-radius:10px;padding:1rem 1.2rem;margin-top:7px;box-shadow:0 0 14px rgba(102,126,234,8%);font-size:1.1rem;font-family:segoe ui,Tahoma,Geneva,Verdana,sans-serif;word-break:break-word;position:relative;transition:max-height .25s;max-height:150px;overflow:auto}.ai-response-text.expanded{max-height:none;white-space:pre-line;font-size:1.2rem;background:#f7f7ff}.btn-copy,.btn-expand{font-size:1rem;background:#f7d36a!important;color:#764ba2!important;border:none;border-radius:7px;margin-right:5px;font-weight:700;cursor:pointer;transition:background .18s}.btn-copy:hover,.btn-expand:hover{background:#ffe599!important;color:#664982!important}#prompt-popup-overlay{position:fixed;left:0;top:0;width:100vw;height:100vh;background:rgba(0,0,0,.5);z-index:1050;display:flex;align-items:center;justify-content:center}#prompt-popup{background:#282a36;color:#fff;border-radius:14px;max-width:700px;width:90vw;min-height:340px;padding:40px 32px 24px;box-shadow:0 16px 64px rgba(0,0,0,.3);position:relative;display:flex;flex-direction:column;justify-content:flex-start}#prompt-popup label{font-weight:700;margin-bottom:8px;font-size:1.15em}#prompt-popup textarea{width:100%;min-height:180px;resize:vertical;font-family:inherit;margin-bottom:20px;padding:10px;box-sizing:border-box;font-size:1em;border-radius:7px;border:1px solid #39435a;background:#23242a;color:#f8f8f2}#prompt-popup .btn{min-width:110px;font-weight:700;font-size:1em}#prompt-popup .btn-close{position:absolute;right:22px;top:14px;border:none;background:0 0;font-size:1.8em;color:#bbb;cursor:pointer}#prompt-popup .btn-close:hover{color:#f18}pre{color:#fff}#system-prompt-popup-overlay{position:fixed;left:0;top:0;width:100vw;height:100vh;background:rgba(30,40,60,.78);z-index:3000;display:flex;align-items:center;justify-content:center}#system-prompt-popup{background:#23263a;color:#fff;border-radius:12px;max-width:520px;width:90vw;padding:30px 32px 26px;box-shadow:0 16px 64px rgba(0,0,0,.4);position:relative}#system-prompt-popup h3{font-weight:700;margin-bottom:18px}#system-prompt-edit-textarea{font-size:1em;font-family:inherit;border-radius:7px;border:1px solid #39435a;background:#27293b;color:#fff;padding:10px;width:100%}#system-prompt-popup .btn{min-width:110px;font-weight:700}#system-prompt-popup .btn-close{position:absolute;top:14px;right:18px;border:none;color:#bbb;background:0 0;font-size:1.8em;cursor:pointer}#system-prompt-popup .btn-close:hover{color:#e66}