:root{--ink:#18232d;--muted:#65727e;--line:#dce2e6;--paper:#fff;--canvas:#f4f6f7;--teal:#008f82;--teal-dark:#08736b;--red:#c83f49;--amber:#e9a11b}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font-family:Inter,"Segoe UI",Arial,sans-serif;letter-spacing:0}button,input,select{font:inherit}.login{min-height:100dvh;background:#10191d;color:#fff;padding:clamp(28px,8vw,54px) 24px;display:flex;flex-direction:column;justify-content:center}.brand{display:flex;align-items:center;justify-content:center;gap:12px;margin-bottom:42px}.brand img{width:64px;height:64px}.brand strong,.brand span{display:block}.brand strong{font-size:2rem}.brand span{color:#8ea7bd;text-align:center;font-weight:700}.login form{width:min(100%,420px);margin:0 auto}.login label,.operation label{display:grid;gap:7px;margin-bottom:15px;font-size:.76rem;font-weight:800;text-transform:uppercase;color:#9eb0b5}.login input,.login select,.operation input,.operation select{width:100%;height:56px;border:1px solid #c8d1d5;border-radius:5px;background:#fff;padding:0 14px;color:var(--ink);font-size:1rem;outline:none}.login input:focus,.login select:focus,.operation input:focus,.operation select:focus{border:2px solid var(--teal)}button{border:0;border-radius:5px;min-height:46px;font-weight:750}.login form>button,.operation>button{width:100%;background:var(--teal);color:#fff}.message{padding:12px;border-radius:5px}.error{background:#f9dede;color:#9f2530}.success{background:#dcefe9;color:#136d5f}header{height:68px;padding:0 16px;background:#17282d;color:#fff;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:5}header>div:nth-child(2){margin-left:auto;text-align:right}header small,header strong{display:block}header small{color:#9eb0b5;font-size:.7rem}.mini-brand{display:flex;align-items:center;gap:7px}.mini-brand img{width:34px}.icon-button{width:42px;background:transparent;color:#fff;font-size:1.4rem}.content{padding:24px 16px 92px;max-width:900px;margin:auto}.screen{display:none}.screen.active{display:block}.eyebrow{margin:0 0 4px;color:var(--teal-dark);font-size:.7rem;font-weight:850}.screen h1{margin:0 0 22px;font-size:1.65rem}.actions{display:grid;gap:10px}.actions button{min-height:76px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;gap:15px;padding:14px;text-align:left}.actions b{width:42px;height:42px;display:grid;place-items:center;background:#dff2ef;color:var(--teal);border-radius:5px;font-size:1.4rem}.title{display:flex;align-items:center;gap:12px}.back{width:42px;background:#fff;border:1px solid var(--line);font-size:2rem}.operation{background:#fff;border-block:1px solid var(--line);padding:20px 0}.operation label{color:#53636b}.result{margin-top:18px;background:#fff;border:1px solid var(--line);border-top:5px solid var(--teal)}.result.error{border-top-color:var(--red);background:#fff;color:var(--ink)}.result .state{padding:14px 16px;border-bottom:1px solid var(--line);font-weight:750}.route{background:#17282d;text-align:center;padding:22px;color:#fff}.route span{display:block;color:#9eb0b5;font-size:.7rem}.route strong{font-size:clamp(2rem,10vw,3.4rem);color:#62d3c7}.meta{padding:15px;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.meta span,.volume-row small{display:block;color:var(--muted);font-size:.7rem}.segments{display:grid;grid-template-columns:1fr 1fr;margin-bottom:14px;border:1px solid var(--line)}.segments button{border-radius:0;background:#fff}.segments .selected{background:#354850;color:#fff}.volume-list{margin-top:16px;display:grid;gap:8px}.volume-row{background:#fff;border:1px solid var(--line);padding:12px;display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center}.volume-row strong{overflow-wrap:anywhere}.volume-row button{width:44px;background:var(--teal);color:#fff}.batch-confirm{margin-top:14px;width:100%;background:var(--teal);color:#fff}.status{font-size:.68rem;font-weight:750;color:var(--teal-dark)}nav{position:fixed;bottom:0;left:0;right:0;height:72px;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);z-index:5;padding-bottom:env(safe-area-inset-bottom)}nav button{background:#fff;color:#56656d;border-radius:0;font-size:1.1rem}nav span{display:block;font-size:.62rem;margin-top:2px}.toast{position:fixed;left:16px;right:16px;bottom:88px;background:#17282d;color:#fff;padding:14px;border-radius:5px;z-index:10}@media(min-width:700px){.actions{grid-template-columns:repeat(3,1fr)}.content{padding-top:36px}.operation{padding:24px}.volume-list{grid-template-columns:repeat(2,1fr)}}