:root{--ink:#0a0a0a;--mute:#767676;--line:#ebebeb;--soft:#f6f6f6}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,system-ui,sans-serif;color:var(--ink);background:#fff}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.app{max-width:480px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}
.top{display:flex;justify-content:space-between;align-items:center;padding:16px 20px 12px}
.brand{font-weight:700;letter-spacing:.2em;font-size:15px;margin:0}
.tools{display:flex;gap:4px;align-items:center}
.tools form{margin:0}
.tools a,.tools button{width:38px;height:38px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--mute)}
.tabs{display:flex;margin:0 20px 4px;border:1px solid var(--ink);border-radius:12px;padding:3px;gap:3px}
.tab{flex:1;text-align:center;padding:9px 0;border-radius:9px;font-size:14px;font-weight:500}
.tab.on{background:var(--ink);color:#fff}
.tab em{font-style:normal;font-size:11px;margin-left:6px;padding:1px 7px;border-radius:99px;border:1px solid currentColor}
form.ask,form.buy{flex:1;display:flex;flex-direction:column;margin:0}
.list{flex:1;padding:0 20px 16px}
.sec{font-size:11px;letter-spacing:.14em;color:var(--mute);text-transform:uppercase;margin:18px 0 2px;font-weight:600}
.row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.row img{width:52px;height:52px;object-fit:contain;border-radius:10px;border:1px solid var(--line);flex:none;display:block}
.name{flex:1;min-width:0;font-size:14px;line-height:1.3}
.row.on .name{font-weight:500}
.price,.ts{font-size:12px;color:var(--mute);margin-top:2px}
.step{display:flex;align-items:center;border:1px solid var(--ink);border-radius:99px;height:36px;flex:none}
.step button{width:36px;height:34px;font-size:18px}
.step button:disabled{opacity:.3;cursor:default}
.step input,.step b{width:22px;text-align:center;font:600 14px Inter,system-ui,sans-serif;border:0;padding:0;background:none;color:inherit;-moz-appearance:textfield;appearance:textfield}
.step input::-webkit-inner-spin-button{-webkit-appearance:none}
.step.zero{border-color:#d9d9d9;color:#b3b3b3}
.step.zero input{font-weight:400}
.step.sm{height:32px}
.step.sm button{width:32px;height:30px;font-size:16px}
.meta{display:flex;align-items:center;gap:10px;margin-top:6px}
.saved{font-size:12px;font-weight:600}
.acts{display:flex;flex-direction:column;gap:6px;flex:none}
.ic{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px}
.cb{appearance:none;-webkit-appearance:none;width:22px;height:22px;border:1.5px solid var(--ink);border-radius:6px;flex:none;margin:0;display:grid;place-content:center;cursor:pointer}
.cb:checked,.cb:indeterminate{background:var(--ink)}
.cb:checked::after{content:"";width:10px;height:6px;border:solid #fff;border-width:0 0 2px 2px;transform:translateY(-1px) rotate(-45deg)}
.cb:indeterminate::after{content:"";width:10px;height:2px;background:#fff}
.selall{display:flex;align-items:center;gap:12px;padding:14px 0 10px;border-bottom:1px solid var(--line);font-size:14px;cursor:pointer}
.tot{margin-left:auto;color:var(--mute);font-size:13px}
.bar{position:sticky;bottom:0;padding:12px 20px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fff;display:flex;gap:10px}
.btn{flex:1;height:50px;border-radius:13px;display:flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:15px}
.btn.solid{background:var(--ink);color:#fff}
.btn.line{border:1.5px solid var(--ink)}
.btn:disabled{background:#e9e9e9;color:#9a9a9a;border-color:#e9e9e9;cursor:default}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(92px + env(safe-area-inset-bottom));width:min(448px,calc(100% - 32px));background:var(--ink);color:#fff;border-radius:13px;padding:14px 16px;font-size:14px;display:flex;justify-content:space-between;align-items:center;gap:12px;z-index:10}
.toast button{color:#fff;font-weight:600;text-decoration:underline;flex:none}
.empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px;gap:8px}
.empty i{font-size:36px}
.empty b{font-size:16px}
.empty p{margin:0;color:var(--mute);font-size:14px;line-height:1.5}
.login{flex:1;display:flex;flex-direction:column;justify-content:center;padding:0 32px}
.login .brand{font-size:24px;text-align:center}
.tag{color:var(--mute);text-align:center;font-size:14px;margin:8px 0 40px}
.login form{display:flex;flex-direction:column}
.pw{height:54px;border:1.5px solid var(--ink);border-radius:13px;padding:0 16px;font:inherit;font-size:18px;outline:none}
.pw:disabled{border-color:#e0e0e0;background:var(--soft)}
.msg{font-size:13px;margin:10px 2px 18px;min-height:18px}
.login .btn{flex:none}
.favori p,.favori li{font-size:14px;line-height:1.55}
.muted{color:var(--mute)}
.back{display:flex;align-items:center;gap:10px;font-size:16px;margin:12px 0 4px}
details{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:12px 0}
summary{font-weight:600;cursor:pointer}
ol{padding-left:20px}
.code{width:100%;height:84px;font:12px ui-monospace,monospace;border:0;border-radius:10px;background:var(--soft);padding:10px;color:var(--mute);resize:none}
.favori .btn{flex:none;width:100%;height:46px;margin:8px 0}