/* UI Kit v1.0 */
:root{--blue:#2563eb;--blue-d:#1d4ed8;--blue-l:#eff6ff;--bg:#f8fafc;--card:#fff;--line:#e2e8f0;--txt:#0f172a;--sub:#64748b;--green:#16a34a;--red:#dc2626;--amber:#d97706;--ok:#16a34a;--shadow:0 1px 3px rgba(0,0,0,.1);--shadow-lg:0 4px 12px rgba(0,0,0,.12);--shadow-xl:0 20px 60px rgba(0,0,0,.2);--radius:8px;--radius-lg:12px;--side-w:220px;--ease:all .15s;}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{font-family:-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--txt);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;}
a{color:var(--blue);text-decoration:none;}a:hover{text-decoration:underline;}
.app{display:flex;min-height:100vh;}
.side{width:var(--side-w);background:linear-gradient(180deg,#0f172a 0%,#1e293b 100%);color:#e2e8f0;flex:0 0 var(--side-w);position:fixed;height:100vh;overflow:auto;display:flex;flex-direction:column;z-index:10;}
.side h1{font-size:15px;color:#fff;padding:20px 20px 16px;border-bottom:1px solid #334155;letter-spacing:.5px;font-weight:600;}
.side h1 small{display:block;font-size:11px;color:#94a3b8;font-weight:400;margin-top:4px;letter-spacing:0;}
.nav{list-style:none;margin:12px 0;padding:0 8px;flex:1;}
.nav li{padding:10px 14px;cursor:pointer;font-size:13px;border-radius:var(--radius);color:#cbd5e1;transition:var(--ease);margin-bottom:2px;user-select:none;}
.nav li:hover{background:#334155;color:#fff;}
.nav li.active{background:var(--blue);color:#fff;box-shadow:0 2px 8px rgba(37,99,235,.3);}
.main{margin-left:var(--side-w);flex:1;padding:0;min-width:0;}
.topbar{height:54px;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:5;box-shadow:var(--shadow);}
.topbar .title{font-weight:600;font-size:15px;color:var(--txt);}
.view{padding:24px;display:none;animation:fadeIn .2s ease;}
.view.active{display:block;}
.btn{background:var(--blue);color:#fff;border:none;border-radius:var(--radius);padding:8px 16px;cursor:pointer;font-size:13px;font-weight:500;transition:var(--ease);display:inline-flex;align-items:center;gap:6px;font-family:inherit;}
.btn:hover{background:var(--blue-d);box-shadow:0 2px 6px rgba(37,99,235,.25);}
.btn:active{transform:scale(.98);}
.btn.ghost{background:var(--blue-l);color:var(--blue);border:1px solid #bfdbfe;font-weight:500;}
.btn.ghost:hover{background:#dbeafe;border-color:var(--blue);}
.btn.sm{padding:5px 10px;font-size:12px;}
.btn.danger{background:#fff;color:var(--red);border:1px solid #fecaca;}
.btn.danger:hover{background:#fef2f2;border-color:var(--red);}
.btn.success{background:var(--green);color:#fff;}
.btn.success:hover{background:#15803d;}
.btn[disabled]{opacity:.5;cursor:not-allowed;pointer-events:none;}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:8px;}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px 18px;transition:all .2s;box-shadow:var(--shadow);}
.stat:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px);}
.stat .k{color:var(--sub);font-size:12px;font-weight:500;}
.stat .v{font-size:22px;font-weight:700;margin-top:6px;color:var(--blue);}
.stat .v.green{color:var(--green);}
.stat .v.red{color:var(--red);}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px;margin-top:16px;box-shadow:var(--shadow);}
.panel h3{margin:0 0 14px;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:space-between;}
.preview{background:linear-gradient(135deg,#eff6ff 0%,#f0f9ff 100%);border:1px solid #bfdbfe;border-radius:var(--radius-lg);padding:16px;margin-top:14px;display:none;}
.preview.show{display:block;animation:fadeIn .2s ease;}
.preview .row{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px solid #e0e7ff;}
.preview .row:last-child{border-bottom:none;}
.preview .row b{color:var(--blue-d);font-weight:600;}
table{width:100%;border-collapse:collapse;font-size:13px;}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);}
th{color:var(--sub);font-weight:600;background:#f8fafc;font-size:12px;text-transform:uppercase;letter-spacing:.3px;}
tr{transition:background .1s;}
tr:hover td{background:#f8fafc;}
.tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;background:var(--blue-l);color:var(--blue);}
.tag.g{background:#dcfce7;color:var(--green);}
.tag.r{background:#fee2e2;color:var(--red);}
.tag.am{background:#fef3c7;color:var(--amber);}
.tag.gray{background:#f1f5f9;color:var(--sub);}
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:12px;flex-wrap:wrap;}
input,select,textarea{font-family:inherit;font-size:13px;padding:8px 12px;border:1px solid var(--line);border-radius:var(--radius);outline:none;background:#fff;color:var(--txt);transition:border-color .15s;}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.1);}
label{display:block;color:var(--sub);font-size:12px;margin-bottom:4px;font-weight:500;}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px;}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px 16px;}
.form-group{margin-bottom:14px;}
.hint{color:var(--sub);font-size:12px;margin:6px 0;}
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.5);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:20;}
.modal-mask.show{display:flex;}
.modal{background:#fff;width:540px;max-width:92vw;border-radius:16px;padding:24px;max-height:90vh;overflow:auto;box-shadow:var(--shadow-xl);animation:modalIn .2s ease;}
.modal h2{margin:0 0 18px;font-size:17px;font-weight:600;color:var(--txt);}
.modal .foot{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);}
.toast{position:fixed;top:20px;left:50%;transform:translateX(-50%);background:var(--txt);color:#fff;padding:10px 20px;border-radius:var(--radius);z-index:50;opacity:0;transition:all .3s;pointer-events:none;font-size:13px;font-weight:500;box-shadow:var(--shadow-lg);}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.ok-msg{color:var(--ok);font-weight:500;}
.err-msg{color:var(--red);font-weight:500;}
.muted{color:var(--sub);font-size:13px;}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.seg span{padding:6px 12px;cursor:pointer;font-size:12px;transition:var(--ease);}
.seg span.on{background:var(--blue);color:#fff;}
.pill{font-size:11px;padding:2px 7px;border-radius:6px;background:#eef3fb;color:var(--sub);margin-left:6px;}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;}
.avatar.sm{width:28px;height:28px;font-size:11px;}
.avatar.lg{width:48px;height:48px;font-size:18px;}
.divider{border:none;border-top:1px solid var(--line);margin:16px 0;}
.empty{text-align:center;padding:40px 20px;color:var(--sub);}
.empty::before{content:"No data";}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px);}to{opacity:1;transform:translateY(0);}}
@keyframes modalIn{from{opacity:0;transform:scale(.95) translateY(8px);}to{opacity:1;transform:scale(1) translateY(0);}}
@keyframes spin{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.6;}}
.loading{animation:pulse 1.5s ease-in-out infinite;}
.spinner{width:20px;height:20px;border:2px solid var(--line);border-top-color:var(--blue);border-radius:50%;animation:spin .6s linear infinite;display:inline-block;}
.text-center{text-align:center;}
.text-right{text-align:right;}
.text-blue{color:var(--blue);}
.text-green{color:var(--green);}
.text-red{color:var(--red);}
.text-amber{color:var(--amber);}
.text-sub{color:var(--sub);}
.text-sm{font-size:12px;}
.text-xs{font-size:11px;}
.font-bold{font-weight:700;}
.font-semibold{font-weight:600;}
.mt-8{margin-top:8px;}.mt-12{margin-top:12px;}.mt-16{margin-top:16px;}.mt-24{margin-top:24px;}
.mb-8{margin-bottom:8px;}.mb-12{margin-bottom:12px;}.mb-16{margin-bottom:16px;}.mb-24{margin-bottom:24px;}
.ml-8{margin-left:8px;}.mr-8{margin-right:8px;}
.p-8{padding:8px;}.p-12{padding:12px;}.p-16{padding:16px;}.p-24{padding:24px;}
.flex{display:flex;}.flex-center{display:flex;align-items:center;justify-content:center;}
.flex-between{display:flex;align-items:center;justify-content:space-between;}
.flex-col{display:flex;flex-direction:column;}.flex-1{flex:1;}.flex-wrap{flex-wrap:wrap;}
.gap-8{gap:8px;}.gap-12{gap:12px;}.gap-16{gap:16px;}
.hidden{display:none !important;}.visible{display:block !important;}
.w-full{width:100%;}.h-full{height:100%;}
@media(max-width:768px){.side{display:none;}.main{margin-left:0;}.grid2,.grid3{grid-template-columns:1fr;}.cards{grid-template-columns:repeat(2,1fr);}.topbar{padding:0 16px;}.view{padding:16px;}.modal{width:95vw;max-width:none;margin:10px;}}
@media(max-width:480px){.cards{grid-template-columns:1fr;}.toolbar{flex-direction:column;align-items:stretch;}.toolbar .btn{width:100%;justify-content:center;}}
::-webkit-scrollbar{width:6px;height:6px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px;}
::-webkit-scrollbar-thumb:hover{background:#94a3b8;}
.side::-webkit-scrollbar-thumb{background:#475569;}
.side::-webkit-scrollbar-thumb:hover{background:#64748b;}