:root{--bg:#f4f5f7;--glass:rgba(255,255,255,.72);--glass-strong:rgba(255,255,255,.88);--text:#18191b;--muted:#6d7179;--line:rgba(24,25,27,.09);--accent:#161719;--danger:#b42318;--success:#16835b;--shadow:0 22px 60px rgba(33,37,45,.10)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI","PingFang SC",sans-serif;color:var(--text);background:radial-gradient(circle at 12% 6%,rgba(255,255,255,.98),transparent 30%),radial-gradient(circle at 88% 18%,rgba(220,229,255,.7),transparent 27%),linear-gradient(145deg,#edf0f4,#fafafa 52%,#eef1f4);font-size:14px}body:before{content:"";position:fixed;inset:0;pointer-events:none;background:linear-gradient(115deg,rgba(255,255,255,.55),transparent 45%);z-index:-1}a{color:inherit;text-decoration:none}.shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:22px 16px;border-right:1px solid var(--line);background:rgba(255,255,255,.62);backdrop-filter:blur(10px) saturate(130%)}.brand{display:flex;align-items:center;gap:12px;padding:8px 10px 24px;font-weight:750;font-size:18px}.brand-mark{width:38px;height:38px;border-radius:14px;background:linear-gradient(145deg,#111,#444);display:grid;place-items:center;color:#fff;box-shadow:0 10px 22px rgba(0,0,0,.2);overflow:hidden;flex:0 0 auto}.brand-mark img{width:100%;height:100%;object-fit:cover;display:block}.nav{display:grid;gap:6px}.nav a,.nav button{border:0;width:100%;text-align:left;padding:11px 13px;border-radius:14px;background:transparent;color:#555b64;cursor:pointer;font:inherit}.nav a:hover,.nav a.active,.nav button:hover{background:rgba(255,255,255,.95);color:#121315;box-shadow:0 8px 20px rgba(30,35,44,.08)}.nav i{width:24px}.sidebar-foot{position:absolute;left:16px;right:16px;bottom:18px}.main{padding:24px 30px 60px;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.topbar h1{margin:0;font-size:28px;letter-spacing:-.5px}.muted{color:var(--muted)}.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--glass);border:1px solid rgba(255,255,255,.92);border-radius:24px;padding:20px;box-shadow:var(--shadow);backdrop-filter:blur(12px) saturate(130%)}.stat .value{font-size:30px;font-weight:760;margin:8px 0 2px}.stat i{width:36px;height:36px;border-radius:13px;display:grid;place-items:center;background:rgba(18,19,21,.08)}.section-title{display:flex;justify-content:space-between;align-items:center;margin:28px 0 12px}.section-title h2{font-size:18px;margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line);border-radius:13px;padding:10px 15px;background:rgba(255,255,255,.78);color:#17181a;cursor:pointer;font-weight:650}.btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(0,0,0,.08)}.btn-dark{background:#17181a;color:#fff;border-color:#17181a}.btn-danger{background:#fff1f0;color:var(--danger);border-color:#ffd5d2}.btn-sm{padding:7px 10px;border-radius:10px;font-size:12px}.table-wrap{overflow:auto;border-radius:18px}.table{width:100%;border-collapse:collapse;min-width:740px}.table th,.table td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--line);vertical-align:middle}.table th{color:var(--muted);font-size:12px;font-weight:650}.badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:999px;background:#edf0f2;color:#525861;font-size:12px}.badge.ok{background:#e8f8f1;color:#147552}.badge.bad{background:#fff0ef;color:#a32921}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-weight:650}.input,.select,.textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:11px 13px;background:rgba(255,255,255,.86);color:var(--text);outline:none;font:inherit}.input:focus,.select:focus,.textarea:focus{border-color:rgba(0,0,0,.35);box-shadow:0 0 0 4px rgba(0,0,0,.05)}.textarea{min-height:100px;resize:vertical}.alert{padding:13px 16px;border-radius:15px;margin:0 0 16px;background:rgba(255,255,255,.88);border:1px solid var(--line)}.alert.success{color:var(--success);background:#effbf6}.alert.error{color:var(--danger);background:#fff2f1}.auth-page{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(440px,100%);padding:32px;background:var(--glass-strong);border:1px solid #fff;border-radius:30px;box-shadow:0 30px 90px rgba(25,30,40,.16);backdrop-filter:blur(32px)}.auth-card h1{margin:0 0 6px;font-size:28px}.auth-card form{display:grid;gap:15px;margin-top:24px}.captcha-row{display:grid;grid-template-columns:1fr 150px;gap:10px}.captcha{width:150px;height:55px;border-radius:13px;cursor:pointer}.pagination{display:flex;gap:7px;margin-top:18px;flex-wrap:wrap}.pagination a,.pagination span{padding:7px 11px;border-radius:10px;background:rgba(255,255,255,.8)}.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;word-break:break-all}.actions{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.chart{height:360px}.code-url{max-width:420px;word-break:break-all;color:#4e535b}.notice{padding:13px 15px;border-left:3px solid #222;background:rgba(255,255,255,.6);border-radius:5px 14px 14px 5px}.empty{text-align:center;color:var(--muted);padding:35px}.checkbox{display:flex;align-items:center;gap:8px}.split{display:flex;justify-content:space-between;gap:12px;align-items:center}.qr-box{text-align:center}.qr-box img{max-width:240px;border-radius:18px;background:#fff;padding:10px}.danger-zone{border-color:rgba(180,35,24,.25)}@media(max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}.shell{grid-template-columns:78px 1fr}.sidebar{padding:18px 10px}.brand span,.nav span,.sidebar-foot span{display:none}.nav a,.nav button{text-align:center}.brand{justify-content:center}.sidebar-foot{left:10px;right:10px}.main{padding:20px}}@media(max-width:680px){.shell{display:block}.sidebar{position:fixed;z-index:20;left:10px;right:10px;top:auto;bottom:10px;height:auto;border:1px solid #fff;border-radius:20px;padding:8px;box-shadow:var(--shadow)}.brand,.sidebar-foot{display:none}.nav{display:flex;overflow:auto}.nav a,.nav button{min-width:50px;padding:10px}.main{padding:18px 14px 95px}.grid-4,.grid-3,.grid-2,.form-grid{grid-template-columns:1fr}.topbar h1{font-size:23px}.card{border-radius:20px;padding:16px}.chart{height:300px}}

/* Interaction polish without changing the white liquid-glass palette. */
:root{--blue:#5273f5;--teal:#20b89b;--ring:rgba(82,115,245,.18)}
body{background:radial-gradient(circle at 80% 8%,rgba(178,197,255,.38),transparent 25%),radial-gradient(circle at 6% 66%,rgba(181,245,228,.24),transparent 32%),linear-gradient(145deg,#f3f6fc,#fbfcff 52%,#f1f6f7)}
.sidebar{background:rgba(255,255,255,.7);box-shadow:8px 0 40px rgba(41,63,105,.035)}
.brand-mark{background:linear-gradient(140deg,#202742,#596986)}
.nav a,.nav button,.btn,.card,.input,.select,.textarea{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background-color .18s ease}
.nav a:hover,.nav button:hover{transform:translateX(3px)}
.nav a.active{color:#2747c8;background:linear-gradient(115deg,#edf1ff,#fff);box-shadow:0 7px 20px rgba(82,115,245,.1)}
.nav a.active i{color:#4f6bf2}
.card:hover{border-color:rgba(150,174,232,.38);box-shadow:0 26px 65px rgba(45,65,112,.115)}
.btn-dark{background:linear-gradient(125deg,#3044b8,#627df8);border-color:#4764da;color:#fff;box-shadow:0 8px 20px rgba(77,104,229,.16)}
.btn-dark:hover{box-shadow:0 12px 27px rgba(77,104,229,.25)}
.input:focus,.select:focus,.textarea:focus{border-color:#7087ed;box-shadow:0 0 0 4px var(--ring)}
.stat i{color:#516be6;background:linear-gradient(145deg,#e8edff,#f6f8ff)}
.stat-daily{display:flex;flex-wrap:wrap;gap:4px 12px;margin-top:14px;padding-top:11px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.stat-daily strong{font-size:14px;color:var(--text)}
.stat-delta{margin-top:6px;font-size:12px;font-weight:650}.stat-delta.up{color:#16835b}.stat-delta.down{color:#b42318}.stat-delta.flat{color:#666d75}
.setting-row{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.chart-empty{position:absolute;z-index:2;inset:45px 20px 22px;display:grid;place-items:center;color:#798292;font-size:13px;pointer-events:none;background:rgba(255,255,255,.72);border-radius:18px}
.chart{position:relative}
@media(max-width:1000px){.nav a:hover,.nav button:hover{transform:none}}

@media(min-width:681px){.sidebar{display:flex;flex-direction:column}.sidebar .brand{flex:0 0 auto}.sidebar .nav{flex:1;min-height:0;overflow-y:auto;align-content:start}.sidebar .nav::-webkit-scrollbar{width:5px}.sidebar .nav::-webkit-scrollbar-thumb{background:#dce3ee;border-radius:5px}.sidebar-foot{position:static;flex:0 0 auto;margin-top:12px}}

/* Quiet glass controls: clear contrast without the saturated blue blocks. */
.btn-dark{background:linear-gradient(135deg,#252b32,#3e4a51);border-color:#303a40;color:#fff;box-shadow:0 8px 20px rgba(33,42,47,.14)}
.btn-dark:hover{background:linear-gradient(135deg,#323d44,#516066);box-shadow:0 12px 26px rgba(33,42,47,.2)}
.nav a.active{color:#195c50;background:linear-gradient(115deg,#eaf5f1,#fff);box-shadow:0 7px 20px rgba(29,103,83,.09)}
.nav a.active i{color:#247565}
.btn{white-space:nowrap;flex-shrink:0}

/* Empty dashboards show an intentional state instead of two blank charts. */
.dashboard-panels .section-title{margin:8px 0 12px}
.dashboard-empty{min-height:360px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:28px;border:1px dashed rgba(99,126,155,.25);border-radius:20px;background:linear-gradient(145deg,rgba(243,248,250,.6),rgba(255,255,255,.48))}
.dashboard-empty i{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;color:#32746b;background:#e6f3ef;font-size:22px}
.dashboard-empty strong{font-size:19px;color:#27343a}
.dashboard-empty p{max-width:340px;margin:0;color:#75808a;line-height:1.7}
.dashboard-empty .btn{margin-top:6px}
.chart-status{height:100%;min-height:250px;display:flex;align-items:center;justify-content:center;text-align:center;padding:28px;color:#77818b;line-height:1.6}
@media(max-width:680px){.dashboard-empty{min-height:250px;padding:24px}.dashboard-panels .card{padding:16px}.chart-status{min-height:240px}}

/* Keep the deployed dashboard shell aligned with the interactive preview. */
.shell{grid-template-columns:250px minmax(0,1fr)}
.brand{align-items:center;padding-bottom:25px}
.brand-text{display:flex;min-width:0;flex-direction:column;gap:3px;line-height:1.2}
.brand-text>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.brand-text small{font-size:10px;font-weight:600;color:#747b84}
.nav a{display:flex;align-items:center;gap:4px;min-height:43px}
.nav a i{flex:0 0 25px;width:25px;font-size:15px;text-align:center}
.sidebar-foot form{margin:0}
.logout-button{appearance:none;-webkit-appearance:none;width:100%;min-height:44px;padding:10px 14px;border:1px solid rgba(92,107,130,.12);border-radius:14px;background:rgba(255,255,255,.64);color:#515b67;cursor:pointer;font-family:inherit;font-size:13px;font-weight:600;line-height:1.25;display:flex;align-items:center;justify-content:center;gap:9px;transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease}
.logout-button i{font-size:14px;line-height:1}
.logout-button:hover{background:rgba(255,255,255,.96);color:#252b34;box-shadow:0 8px 20px rgba(30,35,44,.08);transform:translateY(-1px)}
.logout-button:focus-visible{outline:3px solid rgba(82,115,245,.4);outline-offset:2px}
.map-credit{margin:2px 4px 0;text-align:right;font-size:10px;line-height:1.2;color:#9299a4}
.map-credit a{text-decoration:underline;text-underline-offset:2px}
.stat{position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;width:90px;height:90px;border-radius:50%;right:-34px;bottom:-42px;background:rgba(30,35,42,.04);pointer-events:none}
.stat .value{font-size:31px;font-weight:790;letter-spacing:-1px;margin:12px 0 2px}
.dashboard-panels .card{min-width:0;min-height:390px}
.dashboard-panels .section-title{margin:8px 0 12px}
.dashboard-panels .chart{height:315px}
.map-wrap{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(180px,.8fr);gap:12px;align-items:center;min-height:315px}
.map-wrap .china-map{width:100%;height:315px;min-width:0;filter:drop-shadow(0 10px 18px rgba(20,30,50,.08))}
.province-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;align-content:center}
.province{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;border-radius:13px;background:rgba(255,255,255,.68);white-space:nowrap}
.province b{font-size:12px}.province span{font-size:12px}.province-empty{grid-column:1/-1;color:var(--muted);white-space:normal}
.dashboard-panels .chart-empty{inset:auto 12px 12px;min-height:36px;background:rgba(255,255,255,.78);backdrop-filter:blur(8px);font-size:12px;border:1px solid rgba(255,255,255,.85)}
@media(max-width:1000px){.shell{grid-template-columns:78px minmax(0,1fr)}.brand-text,.logout-button span{display:none}.nav a{justify-content:center}.nav a i{flex-basis:auto}.map-wrap{grid-template-columns:1fr}.province-list{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:680px){.shell{display:block}.sidebar-foot{display:none}.dashboard-panels .card{min-height:0}.dashboard-panels .chart,.map-wrap .china-map{height:285px}.map-wrap{min-height:0}.province-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.sidebar{display:flex;align-items:center;gap:6px}.sidebar .nav{flex:1;min-width:0}.sidebar-foot{display:block;position:static;flex:0 0 auto;margin:0}.logout-button{width:42px;min-height:42px;padding:0}.logout-button span{display:none}}

/* Plan management uses one compact editable row per plan, as in the preview. */
.plan-create h2,.plan-list h2{margin:0;font-size:18px}
.plan-create .form-grid{margin-top:18px}
.plan-create-actions{margin-top:16px}
.plan-list{margin-top:18px}
.plan-list .section-title{margin:2px 0 16px}
.plan-table{min-width:1080px}
.plan-table th{white-space:nowrap}
.plan-table td{padding:10px 7px}
.plan-table td:nth-child(1){min-width:150px}
.plan-table td:nth-child(2){min-width:130px}
.plan-table td:nth-child(3){min-width:100px}
.plan-table td:nth-child(4){min-width:200px}
.plan-table td:nth-child(5){min-width:80px}
.plan-table td:nth-child(6){min-width:90px}
.plan-table td:nth-child(7){min-width:150px}
.plan-table .input,.plan-table .select{min-width:0;padding:9px 10px;border-radius:11px}
.plan-actions{display:flex;align-items:center;gap:7px;white-space:nowrap}
.plan-actions form{margin:0}

/* Simple permanent IP rules: one compact list next to the input form. */
.block-rule{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.block-rule:first-of-type{margin-top:14px}
.block-rule:last-of-type{border-bottom:0}
.block-rule>div{min-width:0}.block-rule strong{font-size:13px}.block-rule .muted{margin-top:4px;font-size:12px;overflow-wrap:anywhere}
.block-rule form{flex:0 0 auto;margin:0}

/* Mobile navigation stays visible, readable and easy to tap. */
@media(max-width:680px){
  .main{padding:18px 14px calc(118px + env(safe-area-inset-bottom,0px))}
  .topbar{align-items:flex-start;flex-wrap:wrap;gap:12px}
  .topbar>div:first-child{min-width:0}
  .topbar h1{font-size:24px;line-height:1.25}
  .topbar .muted{line-height:1.5}
  .topbar>.actions,.topbar>form{max-width:100%;min-width:0}
  .topbar>form .input{min-width:0;flex:1}
  .sidebar{left:8px;right:8px;bottom:calc(8px + env(safe-area-inset-bottom,0px));z-index:50;gap:5px;padding:7px;border:1px solid rgba(223,230,244,.98);border-radius:20px;background:rgba(249,251,255,.94);box-shadow:0 14px 44px rgba(30,43,76,.25),0 2px 8px rgba(30,43,76,.08);backdrop-filter:blur(12px) saturate(125%)}
  .sidebar .nav{display:flex;gap:3px;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}
  .sidebar .nav::-webkit-scrollbar{display:none}
  .sidebar .nav a{display:flex;flex:0 0 72px;flex-direction:column;justify-content:center;align-items:center;gap:5px;min-width:72px;min-height:62px;padding:7px 4px!important;border-radius:14px;text-align:center;scroll-snap-align:center;color:#495568}
  .sidebar .nav a i{flex:0 0 auto;width:auto;font-size:21px;line-height:23px;color:#45546d}
  .sidebar .nav a span{display:block;max-width:100%;font-size:10px;font-weight:650;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .sidebar .nav a.active{background:linear-gradient(145deg,#e8efff,#fff);color:#304bc0;box-shadow:inset 0 0 0 1px rgba(89,116,228,.18),0 4px 12px rgba(68,91,175,.11)}
  .sidebar .nav a.active i{color:#4260dd}
  .sidebar-foot{margin:0 0 0 2px}
  .logout-button{width:52px;min-height:62px;border-radius:14px;background:rgba(238,242,250,.94);color:#4c596e}
  .logout-button i{font-size:20px}
  .card{min-width:0}
}