:root{
  --navy:#08517d;--navy-deep:#063a5b;--sky:#169fd9;--sky-soft:#e7f4fb;
  --ink:#123047;--ink-soft:#6a8398;--line:#e3ecf2;--field:#eef4f8;--paper:#f4f8fb;--card:#fff;
  --good:#159f8a;--good-soft:#e3f6f2;--warn:#c98a12;--warn-soft:#fbf2df;--danger:#d64545;--danger-soft:#fbe9e9;
  --radius:14px;--shadow:0 1px 2px rgba(18,48,71,.06),0 6px 20px rgba(18,48,71,.06);
  font-family:Cairo,"Segoe UI",Tahoma,sans-serif;color:var(--ink);
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--paper);min-height:100vh;font-size:15px;line-height:1.5}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--navy)}
.boot{display:grid;place-items:center;min-height:100vh;color:var(--ink-soft)}
[hidden]{display:none!important}

/* shell */
.top{background:linear-gradient(120deg,var(--navy-deep),var(--navy));color:#fff;position:sticky;top:0;z-index:20}
.top .in{max-width:1240px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.brand .mk{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.14);display:grid;place-items:center}
.brand b{font-size:16px;font-weight:800;display:block;line-height:1.1}
.brand small{font-size:10px;letter-spacing:.14em;color:#bfe4f7;font-weight:700}
.nav{display:flex;gap:4px;margin-inline-start:auto}
.nav a,.nav button{color:#dcefff;text-decoration:none;padding:7px 12px;border-radius:9px;border:0;background:none;cursor:pointer;font-weight:600;font-size:14px}
.nav a:hover,.nav button:hover{background:rgba(255,255,255,.1);color:#fff}
.nav a.on{background:rgba(255,255,255,.16);color:#fff}
main.page{max-width:1240px;margin:0 auto;padding:22px 16px 60px}
h1.title{font-size:22px;margin:0;font-weight:800}
.head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.head .grow{flex:1}
.sub{color:var(--ink-soft);font-size:14px}

/* controls */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 16px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:700;font-size:14px;text-decoration:none;color:var(--ink);white-space:nowrap}
.btn:hover{border-color:#c9d9e4;background:#fbfdfe}
.btn.primary{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.primary:hover{background:var(--navy-deep)}
.btn.danger{color:var(--danger)}
.btn.danger.solid{background:var(--danger);border-color:var(--danger);color:#fff}
.btn.sm{padding:6px 10px;font-size:13px;border-radius:8px}
.btn.icon{padding:7px;width:34px;height:34px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn svg{width:16px;height:16px;flex:none}
label.f{display:block;margin-bottom:14px}
label.f>span,.lbl{display:block;font-size:13px;font-weight:700;margin-bottom:5px;color:var(--ink)}
.hint{font-size:12.5px;color:var(--ink-soft);margin-top:4px}
.in-f{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--field);outline:none;transition:border-color .15s,background .15s}
.in-f:focus{border-color:var(--sky);background:#fff}
textarea.in-f{min-height:70px;resize:vertical}
.in-f[readonly]{color:var(--ink-soft)}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.row>.f{flex:1;min-width:140px}
.prefix{display:flex;align-items:stretch}
.prefix .pre{padding:10px 0 10px 12px;background:var(--field);border:1px solid var(--line);border-right:0;border-radius:10px 0 0 10px;color:var(--ink-soft);font-size:14px;white-space:nowrap}
.prefix .in-f{border-radius:0 10px 10px 0;border-left:0;padding-left:2px}
.prefix:focus-within .pre{border-color:var(--sky);background:#fff}
.switch{display:inline-flex;align-items:center;gap:10px;cursor:pointer;user-select:none;font-weight:600;font-size:14px}
.switch input{appearance:none;width:40px;height:23px;border-radius:999px;background:#c9d6df;position:relative;cursor:pointer;transition:background .15s;margin:0;flex:none}
.switch input::after{content:"";position:absolute;top:3px;left:3px;width:17px;height:17px;border-radius:50%;background:#fff;transition:transform .15s;box-shadow:0 1px 2px rgba(0,0,0,.2)}
.switch input:checked{background:var(--good)}
.switch input:checked::after{transform:translateX(17px)}
.color{display:flex;align-items:center;gap:8px;padding:5px 8px 5px 5px;border:1px solid var(--line);border-radius:10px;background:var(--field)}
.color input[type=color]{width:32px;height:28px;border:0;padding:0;background:none;cursor:pointer;border-radius:6px}
.color input[type=text]{border:0;background:none;width:78px;outline:none;font-family:ui-monospace,Consolas,monospace;font-size:13px;text-transform:uppercase}
input[type=range]{width:100%;accent-color:var(--navy)}
.range-v{font-size:12px;color:var(--ink-soft);font-weight:700;float:right}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card.pad{padding:18px}
.section{padding:18px;border-bottom:1px solid var(--line)}
.section:last-child{border-bottom:0}
.section h3{margin:0 0 14px;font-size:15px;font-weight:800;display:flex;align-items:center;gap:8px}
.section h3 .grow{flex:1}

/* tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:20px}
.tile{padding:14px 16px}
.tile .k{font-size:12.5px;color:var(--ink-soft);font-weight:700}
.tile .v{font-size:28px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums}

/* toolbar */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.toolbar .search{flex:1;min-width:200px;position:relative}
.toolbar .search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;color:var(--ink-soft)}
.toolbar .search .in-f{padding-left:36px;background:#fff}
.seg{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:10px;padding:3px}
.seg button{border:0;background:none;padding:6px 12px;border-radius:7px;cursor:pointer;font-weight:700;font-size:13px;color:var(--ink-soft)}
.seg button.on{background:var(--sky-soft);color:var(--navy)}

/* QR list */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.qr-card{display:flex;flex-wrap:wrap;gap:14px;padding:14px}
.qr-card .acts{width:100%;display:flex;gap:6px;border-top:1px solid var(--line);padding-top:10px}
.qr-card .acts .btn{flex:1;width:auto}
.qr-card .thumb{width:96px;height:96px;flex:none;border-radius:10px;background:var(--field);display:grid;place-items:center;overflow:hidden;cursor:pointer}
.qr-card .thumb img{width:100%;height:100%;object-fit:contain}
.qr-card .meta{min-width:0;flex:1;display:flex;flex-direction:column}
.qr-card h4{margin:0;font-size:15.5px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qr-card .link{font-size:13px;font-weight:700;color:var(--sky);text-decoration:none}
.qr-card .dest{font-size:12.5px;color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qr-card .foot{display:flex;align-items:center;gap:6px;margin-top:auto;padding-top:8px;flex-wrap:wrap}
.qr-card .foot .grow{flex:1}
.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:700}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.on{background:var(--good-soft);color:var(--good)}
.badge.off{background:var(--warn-soft);color:var(--warn)}
.scans{font-size:12.5px;color:var(--ink-soft);font-weight:700}
.empty{text-align:center;padding:60px 20px;color:var(--ink-soft)}
.empty .btn{margin-top:14px}

/* editor */
.editor{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:18px;align-items:start}
.preview{position:sticky;top:76px}
.preview .stage{padding:22px;display:grid;place-items:center;background:
  repeating-conic-gradient(#f1f5f8 0% 25%,#fff 0% 50%) 50%/18px 18px;border-radius:var(--radius) var(--radius) 0 0;min-height:300px}
.preview .stage img{max-width:100%;max-height:420px;display:block;filter:drop-shadow(0 4px 14px rgba(18,48,71,.12))}
.preview .body{padding:16px 18px;border-top:1px solid var(--line)}
.short{display:flex;align-items:center;gap:8px;background:var(--sky-soft);border-radius:10px;padding:8px 8px 8px 12px;font-weight:700;color:var(--navy);font-size:14px;margin-bottom:14px}
.short span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dl{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:8px}
.notice{background:var(--sky-soft);color:var(--navy);border-radius:10px;padding:10px 12px;font-size:13px;font-weight:600;margin-bottom:14px}
.notice.warn{background:var(--warn-soft);color:#8a5d06}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1.5px solid var(--line);background:#fff;border-radius:10px;padding:6px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:64px;font-size:11.5px;font-weight:700;color:var(--ink-soft)}
.chip:hover{border-color:#c4d6e2}
.chip.on{border-color:var(--navy);color:var(--navy);background:var(--sky-soft)}
.chip svg{width:34px;height:34px}
.preset{border:1.5px solid var(--line);background:#fff;border-radius:12px;padding:6px 6px 4px;cursor:pointer;font-size:11.5px;font-weight:700;color:var(--ink-soft);display:flex;flex-direction:column;align-items:center;gap:3px;width:78px}
.preset img{width:62px;height:62px}
.preset:hover{border-color:var(--navy)}
.sub-h{font-size:12.5px;font-weight:800;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em;margin:18px 0 10px}
.sub-h:first-child{margin-top:0}
.logo-row{display:flex;gap:12px;align-items:center}
.logo-box{width:64px;height:64px;border-radius:10px;border:1.5px dashed #c4d6e2;display:grid;place-items:center;background:var(--field);overflow:hidden;flex:none}
.logo-box img{max-width:100%;max-height:100%}
.hist{list-style:none;margin:0;padding:0;font-size:13px}
.hist li{padding:8px 0;border-top:1px solid var(--line)}
.hist li:first-child{border-top:0}
.hist .when{color:var(--ink-soft);font-size:12px}
.hist .url{word-break:break-all}
.hist .old{color:var(--ink-soft);text-decoration:line-through}

/* charts */
.chart{position:relative}
.chart svg{display:block;width:100%;overflow:visible}
.chart .axis{fill:var(--ink-soft);font-size:11px}
.chart .grid-l{stroke:var(--line);stroke-width:1}
.chart .bar{fill:var(--sky)}
.chart .hit:hover+.bar,.chart .bar.hl{fill:var(--navy)}
.tip{position:absolute;pointer-events:none;background:var(--ink);color:#fff;font-size:12px;font-weight:700;padding:5px 9px;border-radius:7px;white-space:nowrap;transform:translate(-50%,-100%);margin-top:-8px;z-index:5}
.tip small{display:block;font-weight:600;color:#b8cbd8}
.breaks{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:14px}
.hbar{display:grid;grid-template-columns:90px 1fr 42px;gap:10px;align-items:center;font-size:13px;margin-bottom:8px}
.hbar .t{height:10px;background:var(--field);border-radius:999px;overflow:hidden}
.hbar .t i{display:block;height:100%;background:var(--sky);border-radius:999px}
.hbar .n{text-align:right;font-weight:700;font-variant-numeric:tabular-nums}

/* auth */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px 16px;background:linear-gradient(160deg,var(--navy-deep),var(--navy) 55%,var(--sky))}
.auth .card{width:100%;max-width:380px;padding:30px 26px}
.auth .wm{text-align:center;margin-bottom:22px}
.auth .wm b{display:block;font-size:22px;font-weight:800;color:var(--navy)}
.auth .wm small{font-size:10.5px;letter-spacing:.16em;color:var(--sky);font-weight:700}
.err{background:var(--danger-soft);color:var(--danger);padding:9px 12px;border-radius:10px;font-size:13.5px;font-weight:600;margin-bottom:14px}

/* modal + toast */
.scrim{position:fixed;inset:0;background:rgba(6,30,48,.45);display:grid;place-items:center;padding:16px;z-index:50}
.modal{background:#fff;border-radius:16px;max-width:420px;width:100%;padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal h3{margin:0 0 8px;font-size:17px}
.modal p{margin:0 0 18px;color:var(--ink-soft)}
.modal .acts{display:flex;justify-content:flex-end;gap:8px}
#toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-weight:700;font-size:14px;opacity:0;transition:.2s;pointer-events:none;z-index:60;max-width:calc(100% - 32px)}
#toast.show{opacity:1;transform:translate(-50%,0)}
#toast.bad{background:var(--danger)}

table.users{width:100%;border-collapse:collapse;font-size:14px}
table.users td,table.users th{padding:9px 6px;border-top:1px solid var(--line);text-align:left}
table.users th{font-size:12px;color:var(--ink-soft);border-top:0}

@media (max-width:960px){
  .editor{grid-template-columns:1fr}
  .preview{position:static;order:-1}
  .preview .stage{min-height:220px}
  .preview .stage img{max-height:280px}
}
@media (max-width:600px){
  .top .in{gap:8px}
  .brand small{display:none}
  .nav a,.nav button{padding:7px 8px;font-size:13px}
  .nav .lbl-t{display:none}
  .tile .v{font-size:22px}
  .hbar{grid-template-columns:72px 1fr 36px}
}