:root{
  --bg:#f2f4f7; --panel:#ffffff; --ink:#1f2530; --muted:#6b7480; --line:#e4e8ee;
  --brand:#2b5cab; --brand-d:#1f3f78; --green:#1f7a5a; --red:#b23b3b; --amber:#a15c1e;
  --violet:#5a3f9e; --teal:#0f7285; --radius:12px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Segoe UI',Arial,sans-serif;font-size:14px}
.hidden{display:none !important}
.muted{color:var(--muted)}
a{cursor:pointer}
button{font-family:inherit}

/* ---- Login ---- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:linear-gradient(135deg,#1f3f78,#2b5cab)}
.login-card{background:#fff;border-radius:16px;padding:38px;max-width:400px;width:100%;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.login-card h1{font-size:20px;margin:14px 0 4px}
.login-card label{display:block;font-size:13px;font-weight:600;margin:20px 0 6px}
.login-card input{width:100%;padding:11px 12px;border:1px solid #cbd2dc;border-radius:8px;font-size:15px}
.login-card button{width:100%;margin-top:20px;background:var(--brand);color:#fff;border:0;padding:12px;border-radius:8px;font-weight:600;font-size:15px;cursor:pointer}
.brand-mark{width:52px;height:52px;border-radius:12px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:22px}
.brand-mark.sm{width:30px;height:30px;font-size:14px;border-radius:8px}
.err{color:var(--red);font-size:13px;margin-top:12px}

/* ---- App layout ---- */
.app{display:flex;min-height:100vh}
.sidebar{width:230px;background:#111827;color:#cbd3df;display:flex;flex-direction:column;padding:20px 14px;position:sticky;top:0;height:100vh}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:#fff;margin-bottom:26px;padding:0 6px}
.sidebar nav{display:flex;flex-direction:column;gap:2px;flex:1}
.sidebar nav a{padding:11px 14px;border-radius:8px;color:#cbd3df;font-weight:500}
.sidebar nav a:hover{background:#1b2433;color:#fff}
.sidebar nav a.active{background:var(--brand);color:#fff}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.smtp-badge{font-size:11px;background:#1b2433;border-radius:6px;padding:6px 10px;color:#9aa6b6}
.ghost{background:transparent;border:1px solid #33415a;color:#cbd3df;padding:9px;border-radius:8px;cursor:pointer}
.ghost:hover{background:#1b2433}

.content{flex:1;padding:26px 30px;max-width:1200px}
.banner{background:#eaf1fb;border:1px solid #cfe0f7;color:#1f3f78;padding:10px 16px;border-radius:10px;font-size:13px;margin-bottom:20px}

/* ---- Headings & common ---- */
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:12px}
.page-head h2{font-size:22px;margin:0}
h3{margin:0 0 12px}

/* ---- Buttons ---- */
.btn{background:var(--brand);color:#fff;border:0;padding:10px 16px;border-radius:8px;font-weight:600;cursor:pointer;font-size:13px}
.btn:hover{filter:brightness(.95)}
.btn.sec{background:#eef1f5;color:#374151}
.btn.green{background:var(--green)}
.btn.red{background:var(--red)}
.btn.sm{padding:6px 11px;font-size:12px}
.btn.amber{background:var(--amber)}

/* ---- Cards / KPIs ---- */
.grid{display:grid;gap:14px}
.kpis{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.kpi .v{font-size:26px;font-weight:700;color:var(--brand)}
.kpi .l{font-size:12px;color:var(--muted);margin-top:3px}
.kpi .s{font-size:11px;color:#9aa3ad;margin-top:5px}
.kpi.red .v{color:var(--red)} .kpi.green .v{color:var(--green)} .kpi.amber .v{color:var(--amber)}

.two{grid-template-columns:1fr 1fr}
.three{grid-template-columns:1fr 1fr 1fr}
@media(max-width:900px){.two,.three{grid-template-columns:1fr}.sidebar{width:180px}}

/* ---- Tables ---- */
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);font-size:13px}
th{background:#f7f9fc;color:#374151;font-weight:600;position:sticky;top:0}
tr:hover td{background:#fafbfc}
.table-wrap{max-height:520px;overflow:auto;border:1px solid var(--line);border-radius:10px}

/* ---- Badges ---- */
.tag{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600}
.tag.gray{background:#eef1f5;color:#6b7480}
.tag.blue{background:#eaf1fb;color:var(--brand)}
.tag.green{background:#e6f4ee;color:var(--green)}
.tag.red{background:#fbeaea;color:var(--red)}
.tag.amber{background:#fbf1e6;color:var(--amber)}
.tag.violet{background:#efeafb;color:var(--violet)}

/* ---- Forms ---- */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:10px 11px;border:1px solid #cbd2dc;border-radius:8px;font-size:14px;font-family:inherit}
.field textarea{min-height:120px;resize:vertical}
.row{display:flex;gap:12px}.row>*{flex:1}

/* ---- Modal ---- */
.modal-wrap{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:flex-start;justify-content:center;padding:40px 20px;z-index:50;overflow:auto}
.modal{background:#fff;border-radius:14px;max-width:640px;width:100%;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line)}
.modal-body{padding:22px}
.x{background:none;border:0;font-size:26px;line-height:1;cursor:pointer;color:#9aa3ad}

/* ---- Toast ---- */
.toast{position:fixed;bottom:24px;right:24px;background:#111827;color:#fff;padding:13px 18px;border-radius:10px;z-index:60;box-shadow:0 10px 30px rgba(0,0,0,.3);font-size:14px}
.toast.ok{background:var(--green)} .toast.bad{background:var(--red)}

.chart-box{position:relative;height:280px}
.spacer{height:16px}
.inline{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.progress{height:8px;background:#eef1f5;border-radius:999px;overflow:hidden}
.progress>span{display:block;height:100%;background:var(--brand)}
.small{font-size:12px}
.right{text-align:right}