:root{--bg: #f6f8fb;--card: rgba(0, 0, 0, .02);--border: rgba(0, 0, 0, .08);--text: #1a1f2a;--muted: #5b6372;--brand: #ff7a59;--brand-2: #ffd59e;--accent: #2ec8a3}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,"Apple Color Emoji","Segoe UI Emoji";color:var(--text);overflow-x:hidden;background:radial-gradient(1000px 500px at 10% -10%,#fff6eb,transparent),radial-gradient(800px 500px at 120% 20%,#eef4ff,transparent),var(--bg)}.app{min-height:100dvh;display:grid;grid-template-rows:auto 1fr}@supports (height: 100svh){.app{min-height:100svh}}@supports not (min-height: 100dvh){.app{min-height:calc(var(--vh, 1vh) * 100)}}:root{--tabbar-height: 56px}.app-header{display:flex;justify-content:space-between;align-items:center;padding:16px;-webkit-backdrop-filter:saturate(1.2) blur(12px);backdrop-filter:saturate(1.2) blur(12px);background:linear-gradient(180deg,#ffffffbf,#ffffff59);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;box-shadow:0 8px 24px #0000000f}.brand{display:flex;align-items:center;gap:12px}.brand-icon{font-size:24px;filter:drop-shadow(0 1px 0 rgba(0,0,0,.15))}.brand-text h1{margin:0;font-size:18px;letter-spacing:.2px}.brand-text .subtitle{margin:2px 0 0;color:var(--muted);font-size:12px}.header-actions{display:flex;align-items:center;gap:8px}.tag{padding:6px 10px;border-radius:999px;font-size:12px;color:#161a1f;background:linear-gradient(90deg,var(--brand),var(--brand-2))}.icon-btn{border:1px solid var(--border);background:var(--card);color:var(--text);border-radius:10px;padding:6px 10px;cursor:pointer;transition:all .2s ease}.icon-btn:hover{transform:translateY(-1px);background:#ffffff1a}.quick-prompts{display:flex;flex-wrap:wrap;gap:8px;padding:12px 16px;overflow:hidden}.chip{font-size:13px;color:var(--text);border:1px solid var(--border);background:linear-gradient(180deg,#ffffff0f,#ffffff05);border-radius:999px;padding:8px 12px;cursor:pointer;white-space:nowrap;transition:all .2s}.chip:hover{border-color:#ffffff2e;transform:translateY(-1px)}.chat{display:flex;flex-direction:column;gap:14px;padding:14px 14px calc(140px + var(--tabbar-height) + env(safe-area-inset-bottom))}.bubble{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start}.bubble.ai{align-self:flex-start;grid-template-columns:34px 1fr}.bubble.user{align-self:flex-end;grid-template-columns:1fr 34px}.bubble.user .avatar{order:2}.bubble.user .msg{order:1}.avatar{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:18px;box-shadow:0 3px 8px #00000014}.avatar img{width:100%;height:100%;object-fit:cover;border-radius:10px;display:block}.avatar.ai{background:#3fd7b72e;border:1px solid rgba(63,215,183,.35)}.avatar.user{background:#ffc8962e;border:1px solid rgba(255,180,120,.35)}.msg{border:1px solid var(--border);background:linear-gradient(180deg,#ffffffd9,#ffffffa6);border-radius:18px;padding:12px 15px;line-height:1.65;font-size:15px;box-shadow:0 8px 20px #0000000f,inset 0 1px #fff9}.msg .meta{color:var(--muted);font-size:12px;margin-bottom:6px}.msg .content{white-space:pre-wrap;word-break:break-word}.msg .content .h1{font-size:16px;font-weight:800;margin:8px 0 4px;color:var(--text);letter-spacing:.2px}.msg .content .h2{font-size:15px;font-weight:700;margin:8px 0 4px;color:var(--text);border-left:3px solid var(--brand);padding-left:8px}.msg .content .h3{font-size:14px;font-weight:600;margin:6px 0 2px;color:var(--text);opacity:.92}.msg .content .divider{border:none;border-top:1px dashed var(--border);margin:8px 0}.msg.ai{border-color:#2ec8a373;box-shadow:0 10px 24px #2ec8a32e,inset 0 1px #fff9}.msg.user{border-color:#ff966473;box-shadow:0 10px 24px #ff96642e,inset 0 1px 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var(--border);overflow:hidden;background:var(--card)}.preview-item img{width:100%;height:100%;object-fit:cover}.preview-item .close-btn{position:absolute;top:2px;right:2px;width:18px;height:18px;background:#0009;color:#fff;border:none;border-radius:50%;font-size:14px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0}.composer-inner{display:grid;grid-template-columns:auto 1fr auto;gap:8px;align-items:end}.input{resize:none;width:100%;border:1px solid var(--border);border-radius:16px;padding:12px;background:#ffffffd9;color:var(--text);font-size:15px;line-height:1.6;box-shadow:inset 0 1px #fff9}.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px #ff7a5940,inset 0 1px #ffffffb3}.send-btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:16px;padding:0 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sheen{0%{left:-40%;opacity:0}25%{opacity:.6}to{left:140%;opacity:0}}.hint{margin-top:8px;color:var(--muted);font-size:12px}@media(min-width:640px){.app{max-width:720px;margin:0 auto}.quick-prompts{justify-content:start}}.pages{padding-bottom:calc(var(--tabbar-height) + env(safe-area-inset-bottom))}.page{padding-bottom:0;max-width:100%;overflow-x:hidden}.page.hidden{display:none}.page-profile .item{grid-template-columns:minmax(96px,120px) 1fr}.page-profile .value{overflow-wrap:anywhere;word-break:break-word}#profileValidUntil{color:#2ec8a3;font-weight:600;font-family:monospace;font-size:15px}.page-profile .card{max-width:100%}.card{margin:12px 16px 80px;border:1px solid var(--border);border-radius:14px;background:linear-gradient(180deg,#ffffffd9,#ffffffa6);box-shadow:0 8px 18px #0000000f;padding:14px}.card h2{margin:0 0 8px;font-size:16px}.list{display:grid;gap:10px}.item{display:grid;grid-template-columns:120px 1fr;align-items:center}.item .label{color:var(--muted);font-size:13px}.item 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8px;font-size:18px;font-weight:600;text-align:center}.modal-desc{margin:0 0 16px;font-size:14px;color:var(--muted);text-align:center}.modal-input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;font-size:16px;margin-bottom:20px;outline:none;background:#ffffff80}.modal-input:focus{border-color:var(--brand);box-shadow:0 0 0 2px #ff7a591a}.modal-actions{display:flex;gap:12px}.modal-actions .btn{flex:1;justify-content:center;padding:10px;font-size:15px}.btn.primary{background:#2ec8a3;color:#fff;border:none;box-shadow:0 4px 12px #2ec8a34d}.dark{--bg: #111418;--card: rgba(255, 255, 255, .04);--border: rgba(255, 255, 255, .1);--text: #ecedee;--muted: #9ba1a6;--brand: #ff8e72}.dark body{background:radial-gradient(1000px 500px at 10% -10%,#1a1510,transparent),radial-gradient(800px 500px at 120% 20%,#10141a,transparent),var(--bg)}.dark .app-header{background:linear-gradient(180deg,#111418bf,#11141859)}.dark .msg{background:linear-gradient(180deg,#1e2328d9,#1e2328a6);box-shadow:0 8px 20px #0003,inset 0 1px #ffffff0d}.dark .composer{background:linear-gradient(180deg,#111418a6,#111418d9)}.dark .input{background:#1e2328d9;box-shadow:inset 0 1px #ffffff0d}.dark .chip{background:linear-gradient(180deg,#1e2328d9,#1e23288c)}.dark .card{background:linear-gradient(180deg,#1e2328d9,#1e2328a6)}.dark .tabbar{background:#111418d9}.dark .modal-dialog{background:linear-gradient(180deg,#1e2328f2,#1e2328d9)}.dark .modal-input{background:#0003}.gallery-card[data-v-11d55ac1]{border:none;box-shadow:none;background:transparent;padding:0}.gallery-card h2[data-v-11d55ac1]{font-size:20px;margin-bottom:20px;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:8px}.gallery-card h2[data-v-11d55ac1]:before{content:"";display:block;width:4px;height:18px;background:var(--brand);border-radius:2px}.upload-area[data-v-11d55ac1]{background:var(--bg-primary);border-radius:16px;padding:40px 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h3[data-v-11d55ac1]{margin-top:0;margin-bottom:20px;font-size:18px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--border-color);padding-bottom:12px}.loading-state[data-v-11d55ac1]{padding:10px 0}.skeleton-line[data-v-11d55ac1]{height:16px;background:linear-gradient(90deg,var(--bg-secondary) 25%,var(--border-color) 50%,var(--bg-secondary) 75%);background-size:200% 100%;border-radius:4px;margin-bottom:12px;animation:shimmer-11d55ac1 1.5s infinite}@keyframes shimmer-11d55ac1{0%{background-position:200% 0}to{background-position:-200% 0}}.spinner[data-v-11d55ac1]{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin-11d55ac1 .8s linear infinite}@keyframes spin-11d55ac1{to{transform:rotate(360deg)}}.fade-enter-active[data-v-11d55ac1],.fade-leave-active[data-v-11d55ac1]{transition:opacity .3s ease}.fade-enter-from[data-v-11d55ac1],.fade-leave-to[data-v-11d55ac1]{opacity:0}.slide-up-enter-active[data-v-11d55ac1]{transition:all .4s cubic-bezier(.25,.8,.25,1)}.slide-up-leave-active[data-v-11d55ac1]{transition:all .3s ease}.slide-up-enter-from[data-v-11d55ac1]{opacity:0;transform:translateY(20px)}.slide-up-leave-to[data-v-11d55ac1]{opacity:0;transform:translateY(10px)}.course-container[data-v-36adb6da]{padding:16px 16px 80px;height:100vh;overflow-y:auto;background:var(--bg-primary);box-sizing:border-box}.header h2[data-v-36adb6da]{margin:0 0 16px;color:var(--text-primary);font-size:20px}.loading[data-v-36adb6da],.empty[data-v-36adb6da]{text-align:center;color:#999;padding:40px}.course-card[data-v-36adb6da]{background:#fff;border-radius:12px;margin-bottom:16px;overflow:hidden;box-shadow:0 4px 12px #0000000d;cursor:pointer;transition:transform .1s}.course-card[data-v-36adb6da]:active{transform:scale(.98)}.cover[data-v-36adb6da]{height:160px;background:#f0f0f0;position:relative;display:flex;align-items:center;justify-content:center}.cover img[data-v-36adb6da]{width:100%;height:100%;object-fit:cover}.placeholder[data-v-36adb6da]{font-size:40px}.type-badge[data-v-36adb6da]{position:absolute;top:8px;right:8px;background:#0009;color:#fff;padding:4px 8px;border-radius:4px;font-size:12px;font-weight:700}.info[data-v-36adb6da]{padding:12px 16px}.title[data-v-36adb6da]{font-size:16px;font-weight:600;margin:0 0 8px;color:#333;line-height:1.4}.date[data-v-36adb6da]{font-size:12px;color:#999;margin:0}.course-detail-modal[data-v-36adb6da]{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--bg-primary);z-index:1000;display:flex;flex-direction:column}.modal-header[data-v-36adb6da]{height:56px;display:flex;align-items:center;padding:0 16px;background:#fff;border-bottom:1px solid rgba(0,0,0,.05)}.back-btn[data-v-36adb6da]{border:none;background:none;font-size:16px;color:var(--brand);cursor:pointer;padding:0;display:flex;align-items:center;gap:4px;font-weight:500}.modal-title[data-v-36adb6da]{margin:0 0 0 16px;font-size:18px;font-weight:600;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.modal-content[data-v-36adb6da]{flex:1;overflow-y:auto;padding:16px;background:#fff}.video-wrapper[data-v-36adb6da]{margin-bottom:24px}.article-content[data-v-36adb6da]{font-size:16px;line-height:1.8;color:#333;white-space:pre-wrap}#app{height:100%}