:root{
  --bg:#f3f5f9; --card:#ffffff; --ink:#111827; --muted:#6b7280; --line:#e5e7eb; --soft:#f8fafc;
  --brand:#2554d9; --brand-ink:#ffffff; --brand-soft:#eaf0ff;
  --ok:#0f8a4b; --ok-soft:#e7f6ee; --warn:#b45309; --warn-soft:#fef3e2; --bad:#c62828; --bad-soft:#fdecec;
  --radius:12px; --shadow:0 1px 2px rgba(16,24,40,.05),0 4px 16px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--brand)}
.topbar{background:#0f172a;color:#fff;padding:14px 24px;display:flex;align-items:center;gap:14px}
.topbar .logo{font-weight:700;font-size:17px;letter-spacing:.2px;display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none}
.topbar .logo span{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--brand)}
.topbar .spacer{flex:1}
.steps{display:flex;gap:6px;font-size:12.5px}
.steps .st{padding:4px 10px;border-radius:99px;background:rgba(255,255,255,.08);color:#cbd5e1}
.steps .st.on{background:var(--brand);color:#fff}
.steps .st.done{color:#86efac}
.wrap{max-width:1180px;margin:0 auto;padding:24px 16px 60px}
.narrow{max-width:760px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.card+.card{margin-top:18px}
.grid>.card+.card{margin-top:0}
h1{font-size:22px;margin:0 0 4px}
h2{font-size:16px;margin:0 0 14px}
.sub{color:var(--muted);margin:0 0 18px}
.section-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin:22px 0 10px;display:flex;align-items:center;gap:8px}
.section-title:after{content:"";flex:1;height:1px;background:var(--line)}
label{display:block;font-weight:600;margin:0 0 5px;font-size:13px}
.opt{font-weight:400;color:var(--muted)}
input[type=text],input[type=email],input[type=password],input[type=number],select{
  width:100%;padding:10px 12px;border:1px solid #d1d5db;border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.field{margin-bottom:14px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.hint{font-size:12.5px;color:var(--muted);margin-top:5px}
.pw{position:relative}
.pw button{position:absolute;right:6px;top:50%;transform:translateY(-50%);border:0;background:none;color:var(--muted);cursor:pointer;font-size:12px;padding:6px}
.check{display:flex;gap:8px;align-items:flex-start;font-weight:400;margin:8px 0}
.check input{margin-top:3px}
details.adv{border:1px dashed #d1d5db;border-radius:10px;padding:10px 14px;margin:6px 0 4px;background:var(--soft)}
details.adv summary{cursor:pointer;font-weight:600;color:#374151}
details.adv[open] summary{margin-bottom:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 18px;border-radius:8px;border:1px solid transparent;
  background:var(--brand);color:var(--brand-ink);font:inherit;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{filter:brightness(1.07)}
.btn:disabled{opacity:.5;cursor:not-allowed;filter:none}
.btn.ghost{background:#fff;color:var(--ink);border-color:#d1d5db}
.btn.ghost:hover{background:var(--soft)}
.btn.green{background:var(--ok)}
.btn.warn{background:#d97706}
.btn.danger{background:#fff;color:var(--bad);border-color:#f3c4c4}
.btn.sm{padding:6px 12px;font-size:13px}
.btn.lg{padding:12px 22px;font-size:15px}
.actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.alert{padding:10px 14px;border-radius:8px;margin:12px 0;font-size:13.5px;border:1px solid}
.alert.ok{background:var(--ok-soft);border-color:#b7e3c9;color:#0b5d33}
.alert.bad{background:var(--bad-soft);border-color:#f5c2c2;color:#8e1c1c}
.alert.warn{background:var(--warn-soft);border-color:#f7d8a8;color:#7a3e05}
.alert.info{background:var(--brand-soft);border-color:#c9d7ff;color:#1e3a8a}
.hidden{display:none!important}
.drop{border:2px dashed #c7d2fe;background:#f8faff;border-radius:12px;padding:22px;text-align:center;cursor:pointer;transition:.15s}
.drop:hover,.drop.over{border-color:var(--brand);background:var(--brand-soft)}
.drop strong{display:block;font-size:15px;margin-bottom:3px}
.drop .fname{margin-top:8px;font-weight:600;color:var(--brand)}
.spin{width:15px;height:15px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite;display:inline-block}
.btn.ghost .spin{border-color:#cbd5e1;border-top-color:var(--brand)}
@keyframes sp{to{transform:rotate(360deg)}}

/* recent list */
.recent{list-style:none;margin:0;padding:0}
.recent li{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}
.recent li:first-child{border-top:0}
.recent .meta{font-size:12px;color:var(--muted)}

/* compose */
.grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:18px;align-items:start}
.from{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:14px}
.from .lbl{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.from input{width:auto;flex:1;min-width:140px;padding:6px 9px}
.from .addr{color:#374151}
.badge{display:inline-block;font-size:11.5px;font-weight:600;padding:2px 8px;border-radius:99px;background:#eef2f7;color:#475569}
.badge.sent{background:var(--ok-soft);color:var(--ok)}
.badge.failed{background:var(--bad-soft);color:var(--bad)}
.badge.pending{background:#f1f5f9;color:#64748b}
.badge.sending{background:var(--brand-soft);color:var(--brand)}
#editorWrap{border:1px solid #d1d5db;border-radius:8px;overflow:hidden;background:#fff}
#editorWrap .ql-toolbar.ql-snow{border:0;border-bottom:1px solid var(--line);background:var(--soft)}
#editorWrap .ql-container.ql-snow{border:0}
#editor{min-height:300px}
.ql-editor{font-family:Arial,Helvetica,sans-serif;font-size:14px;line-height:1.5;color:#222;min-height:300px}
.ql-editor p,.ql-editor ol,.ql-editor ul,.ql-editor h1,.ql-editor h2{margin:0}
.ql-editor h1{font-size:24px}.ql-editor h2{font-size:20px}
/* font + size pickers show real names */
.ql-snow .ql-picker.ql-font{width:128px}
.ql-snow .ql-picker.ql-font .ql-picker-label::before,.ql-snow .ql-picker.ql-font .ql-picker-item::before{content:"Arial"}
.ql-snow .ql-picker.ql-font [data-value="georgia"]::before{content:"Georgia";font-family:Georgia}
.ql-snow .ql-picker.ql-font [data-value="times new roman"]::before{content:"Times New Roman";font-family:"Times New Roman"}
.ql-snow .ql-picker.ql-font [data-value="verdana"]::before{content:"Verdana";font-family:Verdana}
.ql-snow .ql-picker.ql-font [data-value="tahoma"]::before{content:"Tahoma";font-family:Tahoma}
.ql-snow .ql-picker.ql-font [data-value="trebuchet ms"]::before{content:"Trebuchet MS";font-family:"Trebuchet MS"}
.ql-snow .ql-picker.ql-font [data-value="courier new"]::before{content:"Courier New";font-family:"Courier New"}
.ql-snow .ql-picker.ql-size{width:70px}
.ql-snow .ql-picker.ql-size .ql-picker-label::before,.ql-snow .ql-picker.ql-size .ql-picker-item::before{content:"14px"}
.ql-snow .ql-picker.ql-size [data-value="12px"]::before{content:"12px"}
.ql-snow .ql-picker.ql-size [data-value="16px"]::before{content:"16px"}
.ql-snow .ql-picker.ql-size [data-value="18px"]::before{content:"18px"}
.ql-snow .ql-picker.ql-size [data-value="20px"]::before{content:"20px"}
.ql-snow .ql-picker.ql-size [data-value="24px"]::before{content:"24px"}
.ql-snow .ql-picker.ql-size [data-value="32px"]::before{content:"32px"}
.ql-emoji{font-size:16px!important;line-height:1!important;width:30px!important}
.emoji-pop{position:absolute;z-index:40;box-shadow:0 10px 30px rgba(0,0,0,.18);border-radius:10px;background:#fff;border:1px solid var(--line);width:320px;max-height:230px;overflow:auto;padding:6px;display:grid;grid-template-columns:repeat(9,1fr)}
.emoji-pop button{border:0;background:none;font-size:20px;line-height:1;padding:5px 0;cursor:pointer;border-radius:6px}
.emoji-pop button:hover{background:var(--brand-soft)}
.merge{font-size:12.5px;color:var(--muted);margin-top:8px}
.merge code{background:#eef2ff;color:#3730a3;padding:1px 6px;border-radius:5px;cursor:pointer}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chip{display:inline-flex;align-items:center;gap:8px;background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:6px 8px 6px 10px;font-size:13px;max-width:100%}
.chip .n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:260px}
.chip .s{color:var(--muted);font-size:12px}
.chip button{border:0;background:none;color:var(--muted);cursor:pointer;font-size:16px;line-height:1;padding:0 2px}
.chip button:hover{color:var(--bad)}
.saved{font-size:12px;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:12px}
.stat{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.stat b{display:block;font-size:20px;line-height:1.2}
.stat span{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;font-weight:600}
.stat.sent b{color:var(--ok)} .stat.failed b{color:var(--bad)}
.bar{height:9px;background:#e8ecf3;border-radius:99px;overflow:hidden;display:flex}
.bar i{display:block;height:100%}
.bar .s{background:var(--ok)} .bar .f{background:#ef4444}
.state{margin:12px 0;padding:10px 12px;border-radius:9px;background:var(--soft);border:1px solid var(--line);font-size:13.5px;display:flex;gap:8px;align-items:flex-start}
.state.running{background:var(--brand-soft);border-color:#c9d7ff}
.state.paused{background:var(--warn-soft);border-color:#f7d8a8}
.state.done{background:var(--ok-soft);border-color:#b7e3c9}
.dot{width:9px;height:9px;border-radius:50%;background:#94a3b8;margin-top:6px;flex:none}
.running .dot{background:var(--brand);animation:pulse 1.2s infinite}
.paused .dot{background:#d97706}.done .dot{background:var(--ok)}
@keyframes pulse{50%{opacity:.35}}
.speed{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:13px;color:#374151;margin:10px 0}
.speed input{width:66px;padding:5px 7px;text-align:center}
.tabs{display:flex;gap:4px;margin:14px 0 8px;flex-wrap:wrap}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:4px 11px;font:inherit;font-size:12.5px;cursor:pointer;color:#374151}
.tabs button.on{background:#0f172a;color:#fff;border-color:#0f172a}
.list{max-height:430px;overflow:auto;border:1px solid var(--line);border-radius:10px}
.list table{width:100%;border-collapse:collapse}
.list td{padding:7px 10px;border-top:1px solid var(--line);font-size:13px;vertical-align:top}
.list tr:first-child td{border-top:0}
.list td.e{word-break:break-all}
.list .nm{color:var(--muted);font-size:12px}
.list .err{color:var(--bad);font-size:12px}
.list .more{text-align:center;color:var(--muted);font-size:12px;padding:10px}
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal .box{background:#fff;border-radius:12px;width:min(760px,100%);max-height:90vh;display:flex;flex-direction:column;overflow:hidden}
.modal .head{padding:12px 16px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:10px}
.modal .meta{padding:10px 16px;border-bottom:1px solid var(--line);font-size:13px;background:var(--soft)}
.modal iframe{border:0;width:100%;flex:1;min-height:420px;background:#fff}
.foot-note{font-size:12px;color:var(--muted);margin-top:14px}
@media (max-width:900px){.grid{grid-template-columns:1fr}}
@media (max-width:640px){
  .row,.row3{grid-template-columns:1fr}
  .topbar{padding:12px 16px;flex-wrap:wrap}
  .steps{order:3;width:100%}
  .card{padding:16px}
  .stats{grid-template-columns:repeat(2,1fr)}
}

.attmode{margin-top:10px;background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:6px 12px}
.attmode .check{margin:6px 0}