:root{--ink:#14202b;--muted:#64717d;--line:#dce3e8;--paper:#fff;--bg:#eef2f4;--navy:#102c3c;--blue:#176b87;--cyan:#dff4f7;--green:#147d64;--amber:#b26a00;--red:#b23a3a;--shadow:0 14px 40px rgba(19,42,56,.08);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-size:16px;line-height:1.45}button,input{font:inherit}.topbar{height:88px;padding:0 max(24px,calc((100vw - 1480px)/2));display:flex;align-items:center;justify-content:space-between;background:var(--navy);color:#fff}.topbar h1{margin:0;font-size:1.45rem}.eyebrow{margin:0 0 3px;text-transform:uppercase;letter-spacing:.12em;font-size:.73rem;font-weight:800;color:var(--blue)}.topbar .eyebrow{color:#80c9d8}.container{max-width:1480px;margin:0 auto;padding:24px}.status-strip{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:14px 18px;border-radius:12px;background:var(--paper);box-shadow:var(--shadow)}.status-strip>div{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.status-strip span:not(.status-dot){color:var(--muted)}.status-dot{width:10px;height:10px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px #fff0d4}.status-strip.live .status-dot{background:var(--green);box-shadow:0 0 0 4px #d9f5ec}.smtp-state{font-size:.9rem}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}.metrics article{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:16px 18px}.metrics span{display:block;color:var(--muted);font-size:.86rem}.metrics strong{display:block;font-size:1.65rem;margin-top:3px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;align-items:start}.side-stack{display:grid;gap:18px}.panel{background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:20px}.main-panel{padding:0;overflow:hidden}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:14px}.main-panel .panel-head{padding:20px 22px 14px}.panel-head h2{margin:0;font-size:1.15rem}.panel-head>span{color:var(--muted);font-size:.9rem}.table-wrap{overflow:auto;max-height:calc(100vh - 275px);border-top:1px solid var(--line)}table{width:100%;border-collapse:collapse;min-width:820px}th{position:sticky;top:0;z-index:1;padding:11px 14px;text-align:left;background:#f7f9fa;color:#53616d;font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--line)}td{padding:12px 14px;border-bottom:1px solid #edf0f2;vertical-align:top;font-size:.9rem}tbody tr:hover{background:#f8fbfc}.time{font-weight:800;font-variant-numeric:tabular-nums}.message{display:block;max-width:420px}.error-text,td small{display:block;margin-top:4px;color:var(--muted);font-size:.75rem}.error-text{color:var(--red)}.badge{display:inline-flex;border-radius:999px;padding:4px 8px;font-size:.7rem;font-weight:800;letter-spacing:.04em;background:#edf1f3;color:#53616d}.badge.sent{background:#ddf3ec;color:var(--green)}.badge.error{background:#fae5e5;color:var(--red)}.badge.sending{background:#fff0d4;color:var(--amber)}.stack{display:grid;gap:13px}label{display:grid;gap:6px;font-weight:700;font-size:.86rem}input{width:100%;border:1px solid #c9d3da;border-radius:9px;padding:10px 11px;background:#fff;color:var(--ink)}input:focus{outline:3px solid #cfeef3;border-color:var(--blue)}.segmented{display:grid;grid-template-columns:1fr 1fr;padding:3px;margin:0;border:1px solid var(--line);border-radius:10px}.segmented label{display:flex;justify-content:center;align-items:center;gap:7px;padding:7px;border-radius:7px;cursor:pointer}.segmented input{width:auto}.switch-row{display:flex;align-items:center;gap:9px;padding:4px 0}.switch-row input{width:18px;height:18px}.button{border:0;border-radius:9px;padding:10px 14px;font-weight:800;cursor:pointer}.primary{background:var(--blue);color:#fff}.secondary{background:#e8f2f5;color:#14566b}.ghost{background:rgba(255,255,255,.1);color:#fff}.danger{background:#f8e3e3;color:#9b2929}.full{width:100%}.top-gap{margin-top:10px}.hint{margin:0;color:var(--muted);font-size:.82rem}.danger-panel{border-color:#ebcccc}.icon-button{border:0;background:transparent;color:var(--blue);font-size:1.2rem;cursor:pointer}.alert{padding:12px 15px;border-radius:10px;margin-bottom:16px;background:#e7f5ee;color:#12644f}.alert.error{background:#f9e6e6;color:#922f2f}.log-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}.log-list li{display:grid;grid-template-columns:auto 1fr;gap:2px 9px;padding-bottom:10px;border-bottom:1px solid #edf0f2;font-size:.8rem}.log-list time{color:var(--muted)}.log-list span{grid-column:1/-1;color:var(--muted);overflow-wrap:anywhere}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#0e2c3c 0 46%,#e5f0f2 46%)}.login-card{width:min(100%,420px);background:#fff;border-radius:18px;padding:36px;box-shadow:0 25px 70px rgba(7,30,43,.24)}.login-card h1{margin:0;font-size:2rem}.login-card .muted{color:var(--muted);margin:8px 0 24px}.brand-mark{width:46px;height:46px;display:grid;place-items:center;border-radius:12px;background:var(--blue);color:#fff;font-weight:900;font-size:1.4rem;margin-bottom:22px}.empty{text-align:center;padding:40px;color:var(--muted)}@media(max-width:1050px){.layout{grid-template-columns:1fr}.table-wrap{max-height:650px}.side-stack{grid-template-columns:repeat(2,1fr)}.side-stack .panel:first-child{grid-row:span 2}}@media(max-width:720px){.container{padding:14px}.topbar{height:76px;padding:0 16px}.metrics{grid-template-columns:repeat(2,1fr)}.side-stack{grid-template-columns:1fr}.side-stack .panel:first-child{grid-row:auto}.status-strip{align-items:flex-start;flex-direction:column}.login-card{padding:26px}.smtp-state{display:none}}