:root{
--bg:#07111f;--bg2:#0f1d33;--card:rgba(15,26,44,.86);--line:rgba(255,255,255,.08);--txt:#e8f1ff;--muted:#8ea0be;--accent:#3ea0ff;--accent2:#6f5cff;--ok:#1fc77a;--bad:#ff5b72;--warn:#ffb020;--shadow:0 24px 50px rgba(0,0,0,.28)
}
*{box-sizing:border-box}body{margin:0;font:15px/1.45 Inter,Segoe UI,Arial,sans-serif;background:linear-gradient(135deg,var(--bg),#081726 45%,#08101f);color:var(--txt)}
a{text-decoration:none;color:inherit}
code{background:rgba(255,255,255,.08);padding:2px 6px;border-radius:8px}
.layout{min-height:100vh;display:grid;grid-template-columns:260px 1fr}
.sidebar{padding:24px 18px;border-right:1px solid var(--line);background:rgba(7,16,29,.82);backdrop-filter:blur(10px)}
.brand{display:flex;gap:12px;align-items:center}.brand.center{justify-content:center}.brand strong{display:block}.brand small{display:block;color:var(--muted)}
.brand-mark{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800}
.nav{display:grid;gap:10px;margin-top:24px}.nav a{padding:12px 14px;border-radius:14px;color:#d8e7ff}.nav a.active,.nav a:hover{background:rgba(62,160,255,.12);color:#fff}
.content{padding:28px}.topbar{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:24px}.topbar h1{margin:0;font-size:30px}.topbar p{margin:6px 0 0;color:var(--muted)}
.pill{background:rgba(255,255,255,.05);border:1px solid var(--line);padding:10px 14px;border-radius:999px}
.grid{display:grid;gap:16px}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:18px}.health-grid,.two-col{grid-template-columns:1.1fr 1fr;margin-bottom:18px}.settings-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.card-head h2,.setting-link h2{margin:0;font-size:20px}
.stat-card span{display:block;color:var(--muted);margin-bottom:8px}.stat-card strong{font-size:34px}
.health-list{display:grid;gap:10px}.health-item{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:920px}th,td{padding:12px 10px;border-bottom:1px solid rgba(255,255,255,.06);text-align:left;vertical-align:top}th{color:#bfd0ef;font-size:13px}td{font-size:14px}
.badge{padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700;display:inline-block}.badge-pending,.badge-awaiting_selection{background:rgba(255,176,32,.15);color:#ffd98e}.badge-sent{background:rgba(31,199,122,.15);color:#8ff0bd}.badge-ignored,.badge-expired,.badge-failed{background:rgba(255,91,114,.15);color:#ffc8d0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:14px;padding:11px 16px;background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff;font-weight:700;cursor:pointer}
.btn.secondary{background:rgba(255,255,255,.08)}.btn.small{padding:8px 12px;font-size:13px}.btn.danger{background:linear-gradient(90deg,#ff5b72,#ff874a)}
.flash{padding:14px 16px;border-radius:16px;margin-bottom:18px}.flash.success{background:rgba(31,199,122,.12);border:1px solid rgba(31,199,122,.22)}.flash.error{background:rgba(255,91,114,.12);border:1px solid rgba(255,91,114,.22)}.flash.info{background:rgba(62,160,255,.12);border:1px solid rgba(62,160,255,.22)}
.ok{color:var(--ok)}.bad{color:var(--bad)}.muted{color:var(--muted)}
.filters,.stack{display:grid;gap:12px}.actions{display:flex;gap:10px;flex-wrap:wrap}
input[type=text],input[type=password],select,textarea{width:100%;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.045);color:var(--txt);border-radius:14px;padding:12px 14px;outline:none}
input:focus,select:focus,textarea:focus{border-color:rgba(62,160,255,.6);box-shadow:0 0 0 3px rgba(62,160,255,.15)}
label{display:block;color:#d9e8ff;font-size:14px}.details{display:grid;grid-template-columns:150px 1fr;gap:10px;align-items:start}.details dt{color:var(--muted)}.details dd{margin:0}
.code-block{white-space:pre-wrap;background:rgba(0,0,0,.26);padding:14px;border-radius:16px;border:1px solid rgba(255,255,255,.06)}.code-block.small{font-size:12px}
.setting-link p{color:var(--muted);margin:8px 0 0}.scroll-list{max-height:320px;overflow:auto;display:grid;gap:8px}.sync-item{padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.04)}
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{width:min(420px,100%);background:var(--card);border:1px solid var(--line);border-radius:26px;padding:32px;box-shadow:var(--shadow)}.login-card h1{margin:10px 0 8px;text-align:center}.login-card p{text-align:center;color:var(--muted);margin:0 0 20px}
@media (max-width: 1100px){.stats-grid,.settings-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.health-grid,.two-col{grid-template-columns:1fr}}
@media (max-width: 820px){.layout{grid-template-columns:1fr}.sidebar{display:none}.content{padding:18px}.stats-grid,.settings-grid{grid-template-columns:1fr}.topbar{flex-direction:column}}