:root { --ink:#152039; --muted:#71809b; --line:#e7ebf2; --paper:#fff; --page:#f5f7fb; --primary:#5b4ce7; --primary-dark:#4637cb; --green:#169969; --red:#d94354; --amber:#e89a18; --shadow:0 12px 30px rgba(26,36,60,.09); font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif; color:var(--ink); }
* { box-sizing:border-box; } body { margin:0; background:var(--page); } button,input,select,textarea { font:inherit; } button { cursor:pointer; } [hidden] { display:none!important; }
.auth-shell { min-height:100vh; display:grid; place-items:center; padding:24px; background:radial-gradient(circle at 18% 18%,#dcd8ff 0,transparent 34%),radial-gradient(circle at 85% 92%,#ccf3e0 0,transparent 32%),#f5f7fb; }
.auth-card { width:min(440px,100%); padding:34px; background:#fff; border:1px solid rgba(255,255,255,.7); border-radius:24px; box-shadow:var(--shadow); }.auth-card h1{margin:24px 0 6px;font-size:25px}.auth-card p{color:var(--muted);margin:0 0 24px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;color:#fff;background:linear-gradient(135deg,#786cf2,#4a38d7);font-weight:800;font-size:19px}
.form-grid{display:grid;gap:14px}.field{display:grid;gap:7px;font-size:13px;font-weight:650}.field span{color:#495673}.field input,.field select,.field textarea,.scan-input{border:1px solid #dce2ee;background:#fff;border-radius:10px;padding:11px 12px;outline:none;width:100%}.field input:focus,.field select:focus,.field textarea:focus,.scan-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,76,231,.12)}.field textarea{min-height:80px;resize:vertical}
.button{border:0;border-radius:10px;padding:10px 14px;font-weight:700;background:#edf0f7;color:#33415c}.button:hover{filter:brightness(.98)}.button.primary{background:var(--primary);color:#fff}.button.primary:hover{background:var(--primary-dark)}.button.danger{background:#fff0f1;color:var(--red)}.button.small{font-size:12px;padding:7px 10px}.button.block{width:100%}.link-button{border:0;background:transparent;color:#9ca7c0;padding:0;font-size:12px;text-align:left}
.app-shell{min-height:100vh;display:flex}.sidebar{width:242px;min-height:100vh;background:#171d32;color:#eff2fb;display:flex;flex-direction:column;padding:21px 14px;position:fixed;inset:0 auto 0 0}.brand{display:flex;gap:11px;align-items:center;padding:6px 10px 26px}.brand strong{display:block;font-size:16px}.brand small{display:block;color:#9ba8c4;font-size:11px;margin-top:2px}.nav{display:grid;gap:5px}.nav button{border:0;background:transparent;color:#b9c4dc;text-align:left;padding:12px 13px;border-radius:10px;font-weight:650;display:flex;gap:10px;align-items:center}.nav button.active,.nav button:hover{color:#fff;background:#2b3454}.nav .nav-icon{width:20px;text-align:center}.sidebar-bottom{margin-top:auto;padding:14px 10px;display:grid;gap:8px;color:#d8def0;font-size:13px}.sidebar-bottom small{color:#7885a3;font-size:10px}.main{margin-left:242px;width:calc(100% - 242px);min-height:100vh}.topbar{height:72px;background:rgba(255,255,255,.78);border-bottom:1px solid var(--line);padding:0 34px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:5;backdrop-filter:blur(12px)}.topbar h1{font-size:19px;margin:0}.topbar p{margin:4px 0 0;color:var(--muted);font-size:12px}.page{padding:30px 34px 80px;max-width:1500px;margin:auto}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:20px}.page-head h2{margin:0;font-size:24px}.page-head p{margin:7px 0 0;color:var(--muted);font-size:13px}.actions{display:flex;gap:8px;flex-wrap:wrap}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.card{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:18px;box-shadow:0 2px 5px rgba(30,42,70,.02)}.card .label{color:var(--muted);font-size:12px}.card .value{font-size:25px;font-weight:800;margin-top:8px;letter-spacing:-.03em}.card .hint{font-size:12px;color:var(--muted);margin-top:7px}.panel{background:#fff;border:1px solid var(--line);border-radius:15px;margin-top:16px;overflow:hidden}.panel-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:10px}.panel-head h3{font-size:15px;margin:0}.panel-body{padding:18px}.empty{padding:34px;color:var(--muted);text-align:center}.table-wrap{overflow:auto}.data-table{border-collapse:collapse;width:100%;min-width:700px;font-size:13px}.data-table th{text-align:left;background:#f7f8fb;color:#77839d;font-size:12px;font-weight:700}.data-table th,.data-table td{padding:13px 15px;border-bottom:1px solid var(--line);vertical-align:middle}.data-table tr:last-child td{border-bottom:0}.data-table td.right,.data-table th.right{text-align:right}.sub{font-size:11px;color:var(--muted);margin-top:4px}.pill{display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:700;background:#edf0f6;color:#55627d}.pill.good{background:#e6f8f0;color:#16835b}.pill.warn{background:#fff5dc;color:#b36b00}.pill.bad{background:#ffeced;color:#bd3545}.split{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:16px}.pos-cart{position:sticky;top:92px}.scan-row{display:flex;gap:8px}.scan-row .scan-input{flex:1}.scan-list{display:grid;gap:8px;margin-top:14px}.scan-item{display:grid;grid-template-columns:1fr 92px 42px;gap:8px;align-items:center;padding:11px;border:1px solid var(--line);border-radius:10px}.scan-item strong{font-size:13px}.qty-input{padding:8px;border:1px solid #dce2ee;border-radius:8px;width:100%;text-align:center}.total-row{display:flex;justify-content:space-between;align-items:end;padding-top:16px;margin-top:15px;border-top:1px dashed #d5dbe8}.total-row strong{font-size:27px}.notice{padding:12px 14px;border-radius:10px;font-size:13px;background:#f0efff;color:#4d3bc5}.notice.warn{background:#fff6e7;color:#9a6200}.qr-label{display:grid;grid-template-columns:140px 1fr;gap:18px;align-items:center}.qr-label img{width:140px;height:140px;border:1px solid var(--line);border-radius:10px;padding:8px}.modal-layer{position:fixed;inset:0;background:rgba(19,25,42,.5);display:grid;place-items:center;padding:18px;z-index:20}.modal{width:min(620px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:18px;box-shadow:0 24px 70px rgba(0,0,0,.25)}.modal-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.modal-head h3{margin:0;font-size:17px}.modal-body{padding:20px}.modal-foot{padding:16px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}.icon-button{border:0;background:transparent;color:#77839d;font-size:22px}.scanner-reader{width:100%;overflow:hidden;border-radius:12px;background:#111}.toast{position:fixed;right:18px;bottom:20px;background:#19213a;color:#fff;border-radius:10px;padding:12px 15px;box-shadow:var(--shadow);opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s;z-index:50;font-size:13px}.toast.show{opacity:1;transform:none}.mobile-nav{display:none}
@media(max-width:980px){.sidebar{width:74px;padding:16px 9px}.brand{padding:4px 8px 22px}.brand>div,.nav button span:last-child,.sidebar-bottom{display:none}.nav button{justify-content:center;padding:12px}.main{margin-left:74px;width:calc(100% - 74px)}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.split{grid-template-columns:1fr}.pos-cart{position:static}}
@media(max-width:640px){.app-shell{display:block}.sidebar{display:none}.main{margin:0;width:100%;padding-bottom:65px}.topbar{height:62px;padding:0 16px}.page{padding:18px 14px 28px}.topbar p{display:none}.page-head{align-items:stretch;flex-direction:column}.page-head h2{font-size:21px}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.card{padding:14px}.card .value{font-size:21px}.mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:10;padding:6px 4px env(safe-area-inset-bottom)}.mobile-nav button{border:0;background:transparent;color:#7b879e;display:grid;gap:3px;place-items:center;font-size:10px;padding:5px}.mobile-nav button.active{color:var(--primary)}.mobile-nav .nav-icon{font-size:18px}.panel-body{padding:14px}.scan-row{display:grid;grid-template-columns:1fr auto}.scan-row .button{min-height:42px}.scan-item{grid-template-columns:1fr 74px 36px}.modal-layer{padding:0;align-items:end}.modal{border-radius:18px 18px 0 0;max-height:92vh}.qr-label{grid-template-columns:110px 1fr}.qr-label img{width:110px;height:110px}}