@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,600;8..60,700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --paper:#FAF6EE; --paper-2:#F1EADD; --paper-3:#EAE1CD; --ink:#201D1A; --muted:#756F63; --muted-2:#9A9182;
  --line:#DFD6C4; --line-2:#CBBFA6;
  --stamp:#B5432B; --stamp-soft:rgba(181,67,43,.10); --stamp-2:#8F3220;
  --gold:#9C7A2E; --gold-soft:rgba(156,122,46,.12);
  --ok:#3F6B4E; --ok-soft:rgba(63,107,78,.12);
  --warn:#8A6A2F; --warn-soft:rgba(184,134,59,.14);
  --serif:'Source Serif 4', Georgia, serif;
  --sans:'Inter', system-ui, sans-serif;
  --mono:'JetBrains Mono', ui-monospace, monospace;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{background:var(--paper); color:var(--ink); font-family:var(--sans); font-size:15px; line-height:1.5; min-height:100vh;}
a{color:inherit;}
.hidden{display:none !important;}
button{font-family:var(--sans); cursor:pointer;}
input,select,textarea{font-family:var(--sans);}
::selection{background:var(--stamp-soft);}

.wordmark{font-family:var(--serif); font-weight:600; font-size:22px; letter-spacing:-0.01em; display:flex; align-items:baseline; gap:8px;}
.wordmark .dot{width:7px; height:7px; border-radius:50%; background:var(--stamp); display:inline-block; transform:translateY(-6px);}

/* ---- auth ---- */
.auth-shell{min-height:100vh; display:flex; align-items:center; justify-content:center; padding:24px; flex-direction:column; gap:18px;}
.auth-card{width:100%; max-width:380px;}
.auth-card .wordmark{font-size:26px; margin-bottom:6px;}
.auth-card h1{font-family:var(--serif); font-size:20px; font-weight:600; margin:20px 0 4px;}
.auth-card .sub{color:var(--muted); font-size:13.5px; margin-bottom:22px;}
.field-group{margin-bottom:14px;}
.field-group label{display:block; font-size:12.5px; color:var(--muted); margin-bottom:5px;}
.field-group input{width:100%; background:transparent; border:none; border-bottom:1px solid var(--line-2); padding:9px 2px; font-size:14.5px; color:var(--ink);}
.field-group input:focus{outline:none; border-bottom-color:var(--stamp);}
.switch-line{margin-top:18px; text-align:center; font-size:13px; color:var(--muted);}
.switch-line a{color:var(--stamp); cursor:pointer; text-decoration:underline;}
.err-msg{color:var(--stamp); font-size:13px; margin-top:10px; min-height:16px;}

.btn{font-size:14px; font-weight:500; padding:10px 16px; border-radius:3px; border:1px solid transparent; transition:all .15s; display:inline-flex; align-items:center; justify-content:center; gap:8px; white-space:nowrap;}
.btn-primary{background:var(--ink); color:var(--paper);}
.btn-primary:hover{background:var(--stamp-2);}
.btn-outline{border-color:var(--line-2); color:var(--ink); background:transparent;}
.btn-outline:hover{border-color:var(--ink);}
.btn-gold{background:var(--gold); color:#fff;}
.btn-gold:hover{background:#7d631f;}
.btn-danger{border-color:var(--stamp); color:var(--stamp); background:transparent;}
.btn-danger:hover{background:var(--stamp-soft);}
.btn-block{width:100%;}
.btn-sm{padding:6px 12px; font-size:12.5px;}
.btn:disabled{opacity:.45; cursor:not-allowed;}

/* ---- ad slot ---- */
.ad-slot{display:flex; flex-direction:column; gap:8px; margin-bottom:20px;}
.ad-item{
  display:block; border:1px solid var(--line-2); border-radius:4px; padding:10px 14px;
  font-size:13px; color:var(--muted); text-decoration:none; position:relative;
}
.ad-item:hover{border-color:var(--gold);}
.ad-item .ad-tag{font-size:10px; color:var(--muted-2); position:absolute; top:6px; right:10px; letter-spacing:.05em;}
.ad-item img{max-width:100%; border-radius:2px; display:block;}
.ad-item .ad-title{color:var(--ink); font-weight:600; margin-bottom:2px;}
.auth-shell .ad-slot{max-width:380px; width:100%;}

/* ---- app shell ---- */
.app-shell{max-width:960px; margin:0 auto; padding:0 24px 80px;}
.topbar{display:flex; align-items:center; justify-content:space-between; padding:26px 0 16px; border-bottom:2px solid var(--ink);}
.top-right{display:flex; align-items:center; gap:14px;}
.balance-pill{font-family:var(--mono); font-size:13px; color:var(--muted); cursor:pointer;}
.balance-pill b{color:var(--ink); font-weight:600;}
.uid-pill{font-family:var(--mono); font-size:12px; color:var(--muted-2);}

.tabs{display:flex; gap:24px; margin:20px 0 24px; border-bottom:1px solid var(--line); flex-wrap:wrap;}
.tab{padding:8px 0 12px; font-size:14.5px; color:var(--muted); border-bottom:2px solid transparent; margin-bottom:-1px;}
.tab.active{color:var(--ink); border-color:var(--stamp); font-weight:500;}

.section{margin-bottom:32px;}
.section-label{font-family:var(--serif); font-size:13px; color:var(--muted); margin-bottom:14px; padding-bottom:8px; border-bottom:1px solid var(--line); display:flex; justify-content:space-between; align-items:center;}
.row{display:flex; gap:10px; margin-bottom:12px; flex-wrap:wrap;}
.row input, .row select{flex:1; min-width:120px; background:var(--paper-2); border:1px solid var(--line-2); border-radius:2px; padding:9px 11px; color:var(--ink); font-size:13.5px; font-family:var(--mono);}
.row input:focus, .row select:focus{outline:none; border-color:var(--stamp);}

.stamp-card{border:1.5px dashed var(--line-2); border-radius:4px; padding:20px 22px; margin-bottom:18px; display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;}
.stamp-card .addr{font-family:var(--mono); font-size:18px; font-weight:500; word-break:break-all;}
.stamp-mark{width:44px; height:44px; border-radius:50%; border:1.5px solid var(--stamp); flex-shrink:0; display:flex; align-items:center; justify-content:center; color:var(--stamp); font-family:var(--serif); font-size:11px; font-weight:600; transform:rotate(-8deg);}
.stamp-mark.gold{border-color:var(--gold); color:var(--gold);}

.quota-bar{display:flex; align-items:center; gap:10px; font-size:12.5px; color:var(--muted); margin-bottom:16px; font-family:var(--mono);}
.quota-track{flex:1; height:5px; background:var(--paper-3); border-radius:3px; overflow:hidden; max-width:160px;}
.quota-fill{height:100%; background:var(--ink); border-radius:3px;}
.quota-fill.full{background:var(--stamp);}
.badge{font-size:11px; padding:2px 7px; border-radius:2px; font-family:var(--sans);}
.badge.member{background:var(--gold-soft); color:var(--gold);}
.badge.free{background:var(--paper-3); color:var(--muted);}

table{width:100%; border-collapse:collapse; font-size:13.5px;}
th{text-align:left; color:var(--muted); font-weight:500; font-size:11.5px; padding:8px 8px 8px 0; border-bottom:1px solid var(--line); white-space:nowrap;}
td{padding:11px 8px 11px 0; border-bottom:1px solid var(--line); color:var(--ink); vertical-align:top;}
td.mono{font-family:var(--mono); font-size:12.5px;}
.muted-cell{color:var(--muted); font-size:12.5px;}
.status{font-size:12px;}
.status.on{color:var(--ok);}
.status.off{color:var(--muted-2);}
.status.bad{color:var(--stamp);}
.status-dot{display:inline-block; width:6px; height:6px; border-radius:50%; margin-right:6px; position:relative; top:-1px;}
.status.on .status-dot{background:var(--ok);}
.status.off .status-dot{background:var(--muted-2);}
.status.bad .status-dot{background:var(--stamp);}
.link-btn{color:var(--stamp); cursor:pointer; font-size:12.5px;}
.link-sep{color:var(--line-2); margin:0 6px;}
.empty{color:var(--muted-2); font-size:13.5px; padding:20px 0; text-align:center; font-style:italic;}

.msg-list{margin-top:14px; display:flex; flex-direction:column;}
.msg-item{border-bottom:1px solid var(--line); padding:14px 0; cursor:default;}
.msg-item:first-child{border-top:1px solid var(--line);}
.msg-item .meta{display:flex; justify-content:space-between; font-size:12px; color:var(--muted); margin-bottom:5px; font-family:var(--mono);}
.msg-item .subj{font-size:14.5px; font-weight:600; margin-bottom:3px;}
.msg-item .body{font-size:13.5px; color:var(--muted); white-space:pre-wrap;}

.stat-row{display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin-bottom:8px;}
.stat{border-top:2px solid var(--ink); padding-top:9px;}
.stat .n{font-family:var(--serif); font-size:24px; font-weight:600;}
.stat .l{font-size:11.5px; color:var(--muted); margin-top:2px;}

.plan-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:14px; margin-bottom:8px;}
.plan-card{border:1px solid var(--line-2); border-radius:4px; padding:18px; text-align:center;}
.plan-card .name{font-family:var(--serif); font-size:17px; font-weight:600; margin-bottom:6px;}
.plan-card .price{font-size:22px; font-weight:700; margin-bottom:4px;}
.plan-card .price span{font-size:12px; font-weight:400; color:var(--muted);}
.plan-card .limit{font-size:12.5px; color:var(--muted); margin-bottom:14px;}

.vanity-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:10px;}
.vanity-item{border:1px solid var(--line-2); border-radius:4px; padding:12px 14px; display:flex; flex-direction:column; gap:8px;}
.vanity-item .addr{font-family:var(--mono); font-size:13.5px; word-break:break-all;}
.vanity-item .price{color:var(--gold); font-weight:600; font-size:13px;}

.card-block{border:1px solid var(--line-2); border-radius:4px; padding:18px; margin-bottom:14px;}
.card-block h4{font-size:13px; color:var(--muted); font-weight:500; margin-bottom:12px; font-family:var(--mono); text-transform:uppercase; letter-spacing:.04em;}
textarea{width:100%; background:var(--paper-2); border:1px solid var(--line-2); border-radius:2px; padding:9px 11px; color:var(--ink); font-size:13px; font-family:var(--mono); resize:vertical; min-height:70px;}

.filter-row{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:14px;}
.filter-row input, .filter-row select{background:var(--paper-2); border:1px solid var(--line-2); border-radius:2px; padding:8px 10px; font-size:13px; font-family:var(--mono);}
.pager{display:flex; align-items:center; gap:10px; margin-top:12px; font-size:12.5px; color:var(--muted);}

.detail-box{border:1px solid var(--line-2); border-radius:4px; padding:16px; margin-top:10px; background:var(--paper-2); font-size:13.5px; white-space:pre-wrap; font-family:var(--mono);}

/* ---- modal ---- */
.modal-backdrop{position:fixed; inset:0; background:rgba(32,29,26,.5); display:flex; align-items:center; justify-content:center; z-index:200; padding:20px;}
.modal{background:var(--paper); border:1px solid var(--line-2); border-radius:4px; width:360px; max-width:100%; padding:26px; max-height:88vh; overflow:auto;}
.modal.wide{width:520px;}
.amount-chips{display:flex; gap:8px; margin:14px 0; flex-wrap:wrap;}
.chip{border:1px solid var(--line-2); border-radius:2px; padding:7px 14px; font-size:13px; cursor:pointer; color:var(--muted); font-family:var(--mono);}
.chip.selected{border-color:var(--stamp); color:var(--stamp);}
.pay-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:8px; margin:14px 0;}
.pay-opt{border:1px solid var(--line-2); border-radius:2px; padding:10px; text-align:center; cursor:pointer; font-size:13px; color:var(--muted);}
.pay-opt.selected{border-color:var(--stamp); color:var(--stamp); background:var(--stamp-soft);}

.toast{position:fixed; bottom:26px; left:50%; transform:translateX(-50%); background:var(--ink); color:var(--paper); border-radius:3px; padding:11px 18px; font-size:13.5px; z-index:300; max-width:90vw;}
.toast.error{background:var(--stamp);}
.toast.success{background:var(--ok);}

@media(max-width:640px){
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .pay-grid{font-size:12px;}
}