:root{--ink:#111827;--muted:#737983;--line:#e8e9ed;--soft:#f5f6f8;--accent:#4d46d8;--accent-soft:#efefff;--green:#18855b;--green-soft:#e9f8f1;--yellow:#b77912;--yellow-soft:#fff5dc;--red:#c34b5c;--red-soft:#fff0f2;--shadow:0 16px 42px rgba(17,24,39,.08)}
*{box-sizing:border-box}html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f7f8fa;color:var(--ink)}body{margin:0;min-height:100vh;background:#fff}button,input{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;max-width:760px;margin:auto;background:#fff}.topbar{height:82px;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(18px)}.brand{border:0;background:transparent;display:flex;align-items:center;gap:12px;padding:0;color:var(--ink);font-size:25px;font-weight:850;letter-spacing:-.045em}.brand-logo{width:50px;height:50px;object-fit:contain;border-radius:13px}.icon-btn{width:50px;height:50px;border:1px solid var(--line);background:#fff;border-radius:16px;display:grid;place-items:center;color:var(--ink)}.icon-btn:hover{background:var(--soft)}.icon-btn svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}main{padding:28px 32px 116px;min-height:calc(100vh - 82px)}.ui-icon{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.tabs{display:grid;grid-template-columns:1fr 1fr;background:#eef0f4;border-radius:22px;padding:6px;margin-bottom:26px}.tab{border:0;background:transparent;border-radius:17px;padding:14px 12px;color:#767b84;font-size:14px;font-weight:800}.tab.active{background:#fff;color:var(--ink);box-shadow:0 5px 15px rgba(17,24,39,.08)}.search-wrap{position:relative}.search{width:100%;height:54px;border:1px solid var(--line);border-radius:17px;background:#fff;padding:0 16px 0 47px;outline:none;font-size:14px;color:var(--ink)}.search:focus{border-color:#c7c5f2;box-shadow:0 0 0 4px var(--accent-soft)}.search::placeholder{color:#9297a0}.search-icon{position:absolute;left:16px;top:16px;color:#969ca6;z-index:1}.search-icon svg{width:20px;height:20px}.chips{display:flex;gap:9px;overflow:auto;padding:12px 0 20px;scrollbar-width:none}.chips::-webkit-scrollbar{display:none}.chip{border:1px solid var(--line);background:#fff;color:#777c84;border-radius:999px;padding:9px 13px;white-space:nowrap;font-size:11px;font-weight:800}.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}.list{display:grid;gap:14px}.challenge-card{width:100%;text-align:left;border:1px solid var(--line);border-radius:23px;background:#fff;padding:18px;box-shadow:0 6px 24px rgba(17,24,39,.035);transition:.18s ease;position:relative;overflow:hidden}.challenge-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent)}.challenge-card:active{transform:scale(.989)}.status{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:8px 11px;font-size:11px;font-weight:850;margin-bottom:14px}.status svg{width:8px;height:8px}.status.ongoing{background:var(--green-soft);color:var(--green)}.status.upcoming{background:var(--yellow-soft);color:var(--yellow)}.status.done{background:var(--red-soft);color:var(--red)}.detail-status{display:block;margin:0 0 18px}.detail-status .status{margin:0}.card-title{font-size:20px;font-weight:850;line-height:1.2;letter-spacing:-.035em;padding-right:32px;margin-bottom:7px}.card-desc{font-size:14px;line-height:1.55;color:var(--muted);margin-bottom:16px;padding-right:26px}.card-meta{display:grid;grid-template-columns:1fr 1fr;gap:12px;border-top:1px solid var(--line);padding-top:13px}.meta-label{display:block;font-size:10px;color:#9a9fa8;margin-bottom:4px}.meta-value{display:block;font-size:12px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-arrow{position:absolute;right:15px;top:50%;transform:translateY(-50%);width:34px;height:34px;border-radius:12px;background:var(--soft);display:grid;place-items:center;color:#4d535d}.card-arrow svg{width:16px;height:16px}.random-panel{background:#111827;color:#fff;border-radius:28px;padding:30px 22px;text-align:center;box-shadow:0 18px 50px rgba(17,24,39,.14)}.random-icon{width:56px;height:56px;border-radius:18px;background:#252d3c;margin:0 auto 16px;display:grid;place-items:center;color:#fff}.random-icon svg{width:27px;height:27px}.random-kicker{font-size:10px;font-weight:850;letter-spacing:.13em;color:#aeb5c2;margin-bottom:13px}.random-result{min-height:88px;display:grid;place-items:center;font-size:24px;font-weight:850;line-height:1.2;letter-spacing:-.04em}.random-sub{font-size:11px;color:#aeb5c2;margin:4px 0 18px}.primary{width:100%;border:0;border-radius:15px;background:#fff;color:var(--ink);padding:15px 16px;font-size:13px;font-weight:850}.primary:active{transform:scale(.985)}.primary:disabled{opacity:1;color:var(--ink);background:#fff;cursor:default}.random-note{text-align:center;color:#8b9099;font-size:11px;line-height:1.5;margin:14px auto 0;max-width:440px}.back{display:inline-flex;align-items:center;gap:7px;border:0;background:transparent;color:#70747a;padding:0;font-size:14px;font-weight:800;margin-bottom:22px}.back svg{width:18px;height:18px}.page-title{padding:0 0 20px}.page-title h1,.menu-page-head h1{font-size:31px;line-height:1.08;letter-spacing:-.045em;margin:0}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden;margin:22px 0 30px}.info-cell{background:#fff;padding:17px}.info-label{font-size:10px;color:#969ba3;margin-bottom:6px}.info-value{font-size:13px;font-weight:850;line-height:1.45}.section{margin-bottom:30px}.section-head{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:850;margin-bottom:14px}.section-icon{width:32px;height:32px;border-radius:11px;background:var(--soft);display:grid;place-items:center;color:#343a43;flex:none}.section-icon svg{width:17px;height:17px}.detail-list{list-style:none;margin:0;padding:0;display:grid;gap:11px}.detail-list li{display:flex;gap:11px;align-items:flex-start;font-size:13px;line-height:1.6;color:#42464e}.step-icon{width:24px;height:24px;flex:none;border-radius:8px;background:#f1f2f4;color:#555b64;display:grid;place-items:center;margin-top:1px}.step-icon svg{width:13px;height:13px}.muted{font-size:14px;line-height:1.65;color:var(--muted);margin:0}.empty{padding:35px 12px;text-align:center;color:#7c818a;font-size:13px}.random-form{display:grid;gap:10px}.choice-input{width:100%;height:52px;border:1px solid var(--line);border-radius:16px;background:#fff;padding:0 15px;color:var(--ink);outline:none;font-size:14px}.choice-input:focus{border-color:#c7c5f2;box-shadow:0 0 0 4px var(--accent-soft)}.choice-input::placeholder{color:#9aa0aa}.add-choice{width:100%;height:50px;border:1px dashed #d6d9df;border-radius:16px;background:#fafbfc;color:#59606b;display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px;font-weight:800;margin-top:11px}.add-choice svg{width:17px;height:17px}.random-submit{margin-top:10px;background:var(--ink);color:#fff}.random-choice-result{margin-top:15px;padding:26px 18px;border:1px solid var(--line);border-radius:23px;text-align:center;background:#fff}.random-choice-result .eyebrow{margin-bottom:8px}.random-choice-result h2{font-size:28px;line-height:1.1;margin:0 0 7px}.random-choice-result p{font-size:12px;color:var(--muted)}.eyebrow{font-size:10px;font-weight:850;letter-spacing:.14em;color:#8c929c;margin:0 0 7px}.feature-empty{border:1px solid var(--line);border-radius:25px;padding:48px 24px;text-align:center;background:#fff}.feature-mark{width:66px;height:66px;margin:0 auto 18px;border-radius:20px;background:var(--soft);display:grid;place-items:center;color:var(--ink)}.feature-mark svg{width:31px;height:31px}.feature-empty h2{font-size:21px;margin:0 0 8px;letter-spacing:-.025em}.feature-empty p{font-size:13px;color:var(--muted);margin:0}.tap-only{min-height:60vh;display:grid;place-items:center;text-align:center;font-size:16px;font-weight:750;color:#767c86}.menu-page-head{padding:0 0 24px}.menu-page-head p:last-child{font-size:13px;line-height:1.5;color:var(--muted);margin:8px 0 0}.menu-list{display:grid;gap:10px}.menu-card{width:100%;display:grid;grid-template-columns:48px 1fr 24px;align-items:center;gap:13px;border:1px solid var(--line);background:#fff;border-radius:19px;padding:14px;text-align:left;color:var(--ink);box-shadow:0 4px 18px rgba(17,24,39,.025)}.menu-card:active{transform:scale(.992)}.menu-card-icon{width:44px;height:44px;border-radius:14px;background:var(--soft);display:grid;place-items:center;color:#303641}.menu-card-icon svg{width:21px;height:21px}.menu-card-copy{display:grid;gap:3px}.menu-card-copy strong{font-size:14px}.menu-card-copy small{font-size:11px;color:#858b95;line-height:1.4}.menu-card-arrow{color:#9aa0a8;display:grid;place-items:center}.menu-card-arrow svg{width:17px;height:17px}.prose{font-size:14px;line-height:1.7;color:#555}.prose h1{font-size:31px;line-height:1.1;letter-spacing:-.045em;color:var(--ink);margin:0 0 12px}.prose h2{font-size:18px;color:var(--ink);margin:26px 0 8px}.social-link{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:800;text-decoration:none}.social-link svg{width:16px;height:16px}.bottom-nav{position:fixed;z-index:40;left:50%;bottom:0;transform:translateX(-50%);width:min(760px,100%);padding:9px 18px calc(9px + env(safe-area-inset-bottom));background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-top:1px solid rgba(232,234,240,.9);display:grid;grid-template-columns:repeat(4,1fr);gap:5px}.bottom-nav.nav-hidden{display:none}.nav-item{border:0;background:transparent;color:#949aa3;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10px;font-weight:800;padding:5px}.nav-item svg{width:22px;height:22px}.nav-item.active{color:var(--accent)}@media(min-width:700px){body{padding:20px 0;background:#f4f5f7}.app-shell{border-radius:30px;overflow:hidden;box-shadow:0 15px 60px rgba(17,24,39,.08)}.topbar{border-radius:30px 30px 0 0}.bottom-nav{bottom:20px;border:1px solid var(--line);border-radius:20px;width:580px;box-shadow:0 15px 45px rgba(0,0,0,.1)}}