:root{--paper:#FAFAF6;--paper-line:#C4CFE0;--margin-red:#C1443D;--ink:#21283B;--ink-soft:#4A5268;--gold:#C9972B;--green:#2F7A4D;--blue:#3B5BA5;--red-pen:#C1443D;--card-shadow:0 2px 10px rgba(33,40,59,0.08)}*{box-sizing:border-box}body,html{margin:0;background:#EDEBE2;font-family:IBM Plex Sans,sans-serif;color:var(--ink);min-height:100vh}.wrap{max-width:900px;margin:0 auto;padding:24px 18px 60px}.admit-card{background:var(--paper);border:1px solid #d8d3c4;border-radius:6px;box-shadow:var(--card-shadow);padding:20px 24px;margin-bottom:14px;position:relative;overflow:hidden}.admit-card:before{content:"";position:absolute;top:0;bottom:0;left:54px;width:2px;background:var(--margin-red);opacity:.55}.admit-card-inner{padding-left:40px}.eyebrow{font-family:IBM Plex Mono,monospace;font-size:11px;letter-spacing:2px;color:var(--ink-soft);text-transform:uppercase}h1{font-family:Lora,serif;font-size:28px;margin:4px 0 2px;font-weight:700}.sub{font-size:14px;margin:0}.provider-badge,.sub{color:var(--ink-soft)}.provider-badge{display:inline-block;font-family:IBM Plex Mono,monospace;font-size:10px;background:#E4E1D5;border-radius:10px;padding:2px 8px;margin-top:8px}.tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}.tab-btn{font-family:IBM Plex Mono,monospace;font-size:13px;padding:10px 14px;background:#E4E1D5;border:1px solid #d0cbb9;border-bottom:none;border-radius:6px 6px 0 0;cursor:pointer;color:var(--ink-soft);transition:all .15s ease}.tab-btn.active{color:var(--ink);font-weight:600;box-shadow:0 -2px 6px rgba(33,40,59,.05)}.panel,.tab-btn.active{background:var(--paper)}.panel{border:1px solid #d8d3c4;border-radius:0 6px 6px 6px;box-shadow:var(--card-shadow);padding:24px;background-image:repeating-linear-gradient(to bottom,transparent 0,transparent 33px,var(--paper-line) 34px);background-position:0 60px;position:relative}.panel:before{content:"";position:absolute;top:0;bottom:0;left:44px;width:2px;background:var(--margin-red);opacity:.5}.panel-inner{padding-left:26px;position:relative;z-index:1}label{display:block;font-family:IBM Plex Mono,monospace;font-size:12px;color:var(--ink-soft);margin-bottom:6px;margin-top:16px;text-transform:uppercase;letter-spacing:1px}label:first-child{margin-top:0}input[type=text],select,textarea{width:100%;font-family:IBM Plex Sans,sans-serif;font-size:15px;padding:10px 12px;border:1px solid #c7c2b0;border-radius:4px;background:#fff;color:var(--ink)}textarea{min-height:90px;resize:vertical}.row{display:flex;gap:14px;flex-wrap:wrap}.row>div{flex:1 1;min-width:160px}.radio-row{display:flex;gap:16px;margin-top:8px}.radio-opt{display:flex;align-items:center;gap:6px;font-size:14px;cursor:pointer}.input-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.icon-btn{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid #c7c2b0;border-radius:20px;padding:8px 14px;cursor:pointer;font-size:13px;color:var(--ink);min-height:40px}.icon-btn.recording{background:#FBEAE9;border-color:var(--red-pen);color:var(--red-pen)}.icon-btn.live-on{background:#EAF5EE;border-color:var(--green);color:var(--green)}.icon-btn:disabled{opacity:.5;cursor:default}.thumb-preview{margin-top:10px;display:flex;align-items:center;gap:10px}.thumb-preview img{max-width:90px;max-height:90px;border-radius:6px;border:1px solid #c7c2b0}.thumb-remove{font-size:12px;color:var(--red-pen);cursor:pointer;text-decoration:underline;background:none;border:none;padding:0}button.action{margin-top:20px;background:var(--ink);color:#fff;border:none;font-family:IBM Plex Mono,monospace;font-size:14px;letter-spacing:.5px;padding:12px 22px;border-radius:5px;cursor:pointer;transition:background .15s ease;min-height:44px}button.action:hover{background:#333c58}button.action:disabled{opacity:.5;cursor:default}button.ghost{margin-top:20px;margin-left:10px;background:transparent;color:var(--ink);border:1px solid var(--ink-soft);font-family:IBM Plex Mono,monospace;font-size:13px;padding:11px 18px;border-radius:5px;cursor:pointer;min-height:44px}.output{margin-top:24px}.loading{font-family:Caveat,cursive;font-size:22px;color:var(--ink-soft)}.step{margin-bottom:14px;padding-left:8px;line-height:1.55}.step-num{font-family:IBM Plex Mono,monospace;color:var(--margin-red);font-weight:600;margin-right:6px}.final-answer{display:inline-block;border:2px solid var(--red-pen);border-radius:8px;padding:8px 16px;margin-top:10px;font-family:Caveat,cursive;font-size:24px;color:var(--red-pen);transform:rotate(-1deg)}.subject-detected{font-size:12px;color:var(--blue);margin-bottom:10px;font-family:IBM Plex Mono,monospace}.listen-btn{margin-top:14px}.score-bar{position:-webkit-sticky;position:sticky;top:10px;z-index:5;display:flex;justify-content:flex-end;margin-bottom:10px}.score-badge{font-family:Caveat,cursive;font-size:24px;color:var(--red-pen);border:3px solid var(--red-pen);border-radius:50%;width:60px;height:60px;display:flex;align-items:center;justify-content:center;transform:rotate(4deg);background:rgba(255,255,255,.9)}.q-block{margin-bottom:20px;padding-bottom:16px;border-bottom:1px dashed #d5d0c0}.q-title{font-weight:600;margin-bottom:10px;line-height:1.5}.opt{display:flex;align-items:flex-start;gap:8px;margin-bottom:8px;padding:9px 10px;border-radius:5px;cursor:pointer;border:1px solid transparent}.opt:hover{background:#F2F0E8}.opt.correct{border-color:var(--green);background:#EAF5EE}.opt.wrong{border-color:var(--red-pen);background:#FBEAE9}.opt.disabled{cursor:default}.mark{font-family:Caveat,cursive;font-weight:700;font-size:22px;margin-left:6px}.mark.tick{color:var(--green)}.mark.cross{color:var(--red-pen)}.explain{font-size:13px;color:var(--ink-soft);margin-top:6px;padding-left:4px}.notes-block{line-height:1.7;white-space:pre-wrap}.err{color:var(--red-pen);font-size:13px;margin-top:10px}.hint{font-size:12px;color:var(--ink-soft);margin-top:6px}@media (max-width:600px){.wrap{padding:12px 10px 50px}h1{font-size:22px}.admit-card{padding:14px}.admit-card-inner{padding-left:30px}.panel{padding:14px}.panel-inner{padding-left:18px}.tab-btn{padding:9px 10px;font-size:12px;flex:1 1;text-align:center}.row{flex-direction:column}button.action,button.ghost{width:100%;margin-left:0}.icon-btn{flex:1 1;justify-content:center}}