:root{--red:#A61C2E;--red-dark:#861524;--ink:#1f2328;--muted:#6b7280;--line:#e5e7eb;--bg:#f4f5f7;--card:#fff;--ok:#1a7f4b;--warn:#b45309;--bad:#b42318}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.45}
a{color:var(--red)}
.top{background:var(--red);color:#fff;display:flex;align-items:center;gap:24px;padding:0 24px;height:56px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;letter-spacing:.5px;font-size:18px}
.brand img{height:36px;width:auto;display:block}
.nav{display:flex;gap:4px;flex:1}
.nav a{color:#fff;text-decoration:none;padding:8px 14px;border-radius:6px;opacity:.9}
.nav a.on,.nav a:hover{background:rgba(255,255,255,.18);opacity:1}
.me{display:flex;align-items:center;gap:12px;font-size:14px}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;background:#eef0f3;color:#444}
.top .badge{background:rgba(255,255,255,.2);color:#fff}
.link{background:none;border:0;color:#fff;cursor:pointer;font:inherit;text-decoration:underline;padding:0}
main{max-width:1100px;margin:24px auto;padding:0 20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:22px;margin-bottom:20px}
h1{font-size:22px;margin:0 0 16px}
h2{font-size:17px;margin:0 0 14px}
label{display:block;font-weight:600;margin:14px 0 6px;font-size:14px}
input[type=text],input[type=email],input[type=password],input[type=number],textarea,select{width:100%;padding:9px 11px;border:1px solid #cfd4dc;border-radius:7px;font:inherit;background:#fff}
textarea{min-height:70px;resize:vertical}
input:focus,textarea:focus,select:focus{outline:2px solid rgba(166,28,46,.35);border-color:var(--red)}
.btn{display:inline-block;background:var(--red);color:#fff;border:0;padding:10px 22px;border-radius:7px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--red-dark)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:#fff;color:var(--red);border:1px solid var(--red)}
.btn.small{padding:5px 12px;font-size:13px}
.btn.danger{background:var(--bad)}
.row{display:flex;gap:16px;flex-wrap:wrap}
.row>*{flex:1;min-width:220px}
.muted{color:var(--muted)}
.small{font-size:13px}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:10px;border-bottom:1px solid #f0f1f3;vertical-align:top}
tr:last-child td{border-bottom:0}
.st{font-size:12px;font-weight:600;padding:2px 9px;border-radius:999px}
.st.active{background:#e6f6ee;color:var(--ok)}
.st.expired{background:#f1f1f1;color:#666}
.st.deleted{background:#fde8e6;color:var(--bad)}
.drop{border:2px dashed #cfa0a8;border-radius:10px;padding:26px;text-align:center;background:#fdf7f8;cursor:pointer}
.drop.over{background:#fbe9ec;border-color:var(--red)}
.files{margin-top:12px}
.file{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid #f0f1f3}
.file .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar{height:6px;background:#eee;border-radius:4px;overflow:hidden;width:160px}
.bar>i{display:block;height:100%;background:var(--red);width:0}
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:20px}
.metric{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px}
.metric b{display:block;font-size:24px}
.tabs{display:flex;gap:4px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.tabs a{padding:9px 16px;text-decoration:none;color:var(--muted);border-bottom:3px solid transparent}
.tabs a.on{color:var(--red);border-color:var(--red);font-weight:600}
.alert{padding:10px 14px;border-radius:7px;margin:12px 0}
.alert.err{background:#fde8e6;color:var(--bad)}
.alert.ok{background:#e6f6ee;color:var(--ok)}
.filters{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.filters input,.filters select{width:auto;min-width:200px}
.pager{display:flex;gap:10px;align-items:center;justify-content:center;margin-top:14px}
.linkbox{display:flex;gap:8px}
.linkbox input{flex:1}
/* login */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#5a0f1a,#A61C2E 55%,#d4515f)}
/* wallpaper: sharp banner in the middle, blurred copy fills the rest of the screen */
.hero.photo::after{content:"";position:absolute;inset:0;background:#f4e8de url(/brand/wallpaper.jpg) center/cover no-repeat}
.hero>*{position:relative;z-index:2}
.login{background:#fff;border-radius:16px;padding:30px 28px;width:100%;max-width:420px;text-align:center}
.login img.logo{max-height:120px;max-width:260px;margin-bottom:8px}
.login h1{margin:6px 0 4px}
.ms{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;margin-top:18px}
.help{margin-top:22px;background:#f6f6f7;border-radius:8px;padding:11px 14px;font-size:13px;color:#555;text-align:left}
/* receiver */
.rx{max-width:640px;margin:0 auto;padding:30px 20px}
.rx .head{text-align:center;margin-bottom:18px}
.rx .head img{max-height:54px}
.dl{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #f0f1f3}
.dl .nm{flex:1;word-break:break-all}

@media(max-width:1100px){.login{background:#fff;border-radius:16px;box-shadow:0 24px 70px rgba(0,0,0,.45)}.hero.photo::after{background-image:url(/brand/wallpaper-m.jpg)}}
@media(min-width:1101px){.login{width:min(400px,25vw);min-width:320px;background:#fff;border-radius:18px;padding:30px 28px;box-shadow:inset 0 5px 0 var(--brand,#A61C2E),0 18px 50px rgba(90,15,26,.22)}}
/* ------------------------------------------------------------ phones */
@media(max-width:700px){
  body{font-size:16px}
  main{margin:14px auto;padding:0 12px}
  .card{padding:16px;border-radius:12px}
  h1{font-size:20px}
  input[type=text],input[type=email],input[type=password],input[type=number],textarea,select{padding:12px;font-size:16px}
  .btn{padding:13px 22px}
  .btn.small{padding:9px 14px}
  .top{flex-wrap:wrap;height:auto;padding:10px 14px;gap:6px 12px}
  .brand{font-size:17px}
  .me{margin-left:auto;font-size:13px;gap:8px}
  .me .badge{display:none}
  .nav{order:3;width:100%;gap:2px}
  .nav a{padding:8px 12px}
  .drop{padding:22px 12px}
  .file{flex-wrap:wrap;gap:6px 10px}
  .file .nm{flex-basis:100%}
  .bar{flex:1;width:auto}
  .metrics{grid-template-columns:1fr 1fr;gap:10px}
  .metric b{font-size:20px}
  .tabs{overflow-x:auto;white-space:nowrap}
  .filters input,.filters select{min-width:0;width:100%}
  .row>*{min-width:100%}
  .linkbox{flex-direction:column}

  /* tables turn into stacked cards */
  table.stack,table.stack tbody{display:block}
  table.stack tr:first-child:has(th){display:none}
  table.stack tr{display:block;border:1px solid var(--line);border-radius:10px;padding:8px 12px;margin-bottom:10px;background:#fff}
  table.stack td{display:flex;justify-content:space-between;gap:12px;border:0;padding:5px 0;text-align:right;word-break:break-word}
  table.stack td::before{content:attr(data-l);color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.3px;text-align:left;flex:none;padding-top:2px}
  .card{overflow-x:auto}

  /* login and receiver: photo strip on top, card below */
  .hero.photo{align-items:flex-start;padding:44vw 14px 24px;background:linear-gradient(180deg,#fff,#f4f5f7)}
  .hero.photo::before{display:none}
  .hero.photo::after{background:url(/brand/wallpaper-m.jpg) top center/100% auto no-repeat;inset:0 0 auto 0;height:52vw}
  .login{padding:26px 20px;max-width:none;margin-top:0;width:100%;min-width:0;background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.18)}
  .login img.logo{max-height:110px}
  .rx{padding:0}
  .rx .card{padding:20px 16px}
  .dl{flex-wrap:wrap}
  .dl .btn{width:100%;text-align:center}
  .btn[href*="/zip"]{display:block}
  #send,form .btn:not(.small):not(.ghost){width:100%}
}