:root{
  --bg:#0d1117; --panel:#161b22; --panel2:#1c2330; --line:#273040;
  --txt:#e6edf3; --muted:#8b98a9; --accent:#3b82f6; --accent2:#22c55e;
  --danger:#ef4444; --warn:#f59e0b;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--txt);font-size:14px}
.hidden{display:none!important}
.muted{color:var(--muted)}
.err{color:var(--danger);min-height:18px;font-size:13px;margin-top:6px}
button{cursor:pointer;border:0;border-radius:8px;padding:10px 14px;background:var(--accent);color:#fff;font-weight:600}
button:hover{filter:brightness(1.1)}
button.ghost{background:transparent;border:1px solid var(--line);color:var(--txt);font-weight:500}
input,select,textarea{background:var(--panel2);border:1px solid var(--line);color:var(--txt);
  border-radius:8px;padding:10px 12px;font-size:14px;outline:none;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
.logo{color:var(--accent)}
.brand{font-size:18px}
.brand b{color:var(--accent)}

/* LOGIN */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}
.login-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:32px;width:320px;display:flex;flex-direction:column;gap:12px}
.login-card .brand{margin-bottom:4px}

/* APP LAYOUT */
.app{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
.side{background:var(--panel);border-right:1px solid var(--line);padding:20px 14px;
  display:flex;flex-direction:column;gap:18px}
.side nav{display:flex;flex-direction:column;gap:4px}
.side nav a{padding:10px 12px;border-radius:8px;color:var(--muted);cursor:pointer;font-weight:600}
.side nav a:hover{background:var(--panel2);color:var(--txt)}
.side nav a.active{background:var(--accent);color:#fff}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:8px}
.main{padding:24px 28px;overflow:auto;max-height:100vh}
h1{margin:0 0 18px} h2{margin:0} h3{margin:0 0 12px}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}
.card.big{background:linear-gradient(135deg,#1e3a8a,#2563eb);border:0}
.card .num{font-size:30px;font-weight:800}
.card .lbl{color:var(--muted);margin-top:4px;font-size:13px}
.card.big .lbl{color:#dbeafe}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}
.bars{display:flex;flex-direction:column;gap:10px}
.bar-row{display:flex;align-items:center;gap:10px}
.bar-row .name{width:150px;font-size:13px}
.bar-track{flex:1;background:var(--panel2);border-radius:6px;height:14px;overflow:hidden}
.bar-fill{height:100%;background:var(--accent)}
.bar-row .val{width:44px;text-align:right;color:var(--muted)}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl td{padding:7px 6px;border-bottom:1px solid var(--line)}
.tag{font-size:11px;padding:2px 7px;border-radius:20px}
.tag.sent{background:#14321f;color:#4ade80}
.tag.error{background:#3a1616;color:#f87171}

/* EMAILS 3 COLS */
.cols{display:grid;grid-template-columns:320px 340px 1fr;gap:14px;height:calc(100vh - 48px)}
.col-accounts,.col-inbox,.col-view{background:var(--panel);border:1px solid var(--line);
  border-radius:14px;display:flex;flex-direction:column;overflow:hidden}
.col-head{padding:14px;border-bottom:1px solid var(--line)}
.filters{display:flex;gap:8px;margin-top:10px}
.filters select{width:auto;flex:0 0 auto}
.list{overflow:auto;flex:1}
.item{padding:11px 14px;border-bottom:1px solid var(--line);cursor:pointer}
.item:hover{background:var(--panel2)}
.item.active{background:#132036;border-left:3px solid var(--accent)}
.item .top{display:flex;justify-content:space-between;gap:8px;align-items:center}
.item .email{font-weight:600;word-break:break-all}
.item .sub{color:var(--muted);font-size:12px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{background:var(--accent2);color:#052e12;font-size:11px;font-weight:800;
  border-radius:20px;padding:1px 8px;flex:0 0 auto}
.badge.zero{background:var(--panel2);color:var(--muted)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.pager{display:flex;align-items:center;justify-content:center;gap:12px;padding:10px;border-top:1px solid var(--line)}
.inbox-head{padding:14px;border-bottom:1px solid var(--line);font-weight:600;color:var(--txt);
  display:flex;justify-content:space-between;align-items:center;gap:8px}
.inbox-head button{padding:6px 10px;font-size:12px}
.msg-view{padding:18px;overflow:auto;flex:1}
.msg-view .mhead{border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:12px}
.msg-view .msubj{font-size:18px;font-weight:700;margin-bottom:8px}
.msg-view .mmeta{font-size:13px;color:var(--muted);line-height:1.7}
.msg-view iframe{width:100%;border:0;background:#fff;border-radius:8px;min-height:50vh}
.msg-view pre{white-space:pre-wrap;word-break:break-word;font-family:inherit;font-size:14px;line-height:1.6}

/* ZIP */
.zip-form{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin-bottom:12px}
.zip-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
.zip-form input{width:180px}
.zip-form input[type=number]{width:120px}
.zip-form button{align-self:stretch}
.zip-out{width:100%;height:calc(100vh - 260px);font-family:ui-monospace,Menlo,Consolas,monospace;
  font-size:13px;line-height:1.5;resize:vertical}

/* MODAL */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:grid;place-items:center;z-index:50;padding:20px}
.modal-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px;
  width:min(520px,100%);display:flex;flex-direction:column;gap:12px}
.modal-card textarea{min-height:140px;resize:vertical}
.modal-actions{display:flex;gap:10px}

@media(max-width:900px){
  .app{grid-template-columns:1fr}
  .side{flex-direction:row;align-items:center;flex-wrap:wrap;position:sticky;top:0;z-index:10}
  .side nav{flex-direction:row}
  .side-foot{margin:0;flex-direction:row}
  .grid2{grid-template-columns:1fr}
  .cols{grid-template-columns:1fr;height:auto}
  .col-accounts,.col-inbox,.col-view{height:70vh}
  .zip-out{height:40vh}
}