* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: #1f2937; background: #f4f6fa; }
a { color: #1d4ed8; text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 16px; margin: 0 0 12px; color: #111827; }
pre { white-space: pre-wrap; word-wrap: break-word; background: #f9fafb; padding: 10px; border-radius: 6px; border: 1px solid #e5e7eb; font-size: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.small { font-size: 12px; }
.muted { color: #6b7280; }
code { background: #f3f4f6; padding: 2px 6px; border-radius: 4px; font-size: 12px; }

/* Login */
.page-login { background: #0f172a; min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-wrap { width: 100%; }
.login-card { width: 360px; margin: 0 auto; background: #fff; padding: 28px; border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,.3); display: flex; flex-direction: column; gap: 12px; }
.login-card h1 { margin: 0; text-align: center; color: #0f172a; }
.login-card .hint { text-align: center; color: #6b7280; margin-bottom: 8px; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: #374151; }
.login-card input { padding: 10px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px; }
.login-card button { padding: 10px; background: #1d4ed8; color: #fff; border: 0; border-radius: 6px; font-size: 14px; cursor: pointer; }
.login-card button:hover { background: #1e40af; }
.err { background: #fee2e2; color: #991b1b; padding: 8px 10px; border-radius: 6px; font-size: 13px; }

/* App layout */
.page-app { display: flex; min-height: 100vh; }
.sidebar { width: 230px; background: #0f172a; color: #cbd5e1; display: flex; flex-direction: column; padding: 18px 0; flex-shrink: 0; }
.sidebar .brand { font-size: 18px; font-weight: 700; color: #fff; padding: 0 20px 20px; border-bottom: 1px solid #1e293b; }
.sidebar .brand span { color: #60a5fa; }
.sidebar nav { display: flex; flex-direction: column; padding: 12px 0; flex: 1; }
.sidebar nav a { color: #cbd5e1; padding: 10px 20px; font-size: 14px; }
.sidebar nav a:hover { background: #1e293b; color: #fff; text-decoration: none; }
.sidebar nav a.active { background: #1e40af; color: #fff; }
.sidebar .user { border-top: 1px solid #1e293b; padding: 12px 20px; font-size: 13px; }
.sidebar .user .u { margin-bottom: 6px; }
.btn-link { background: none; border: 0; color: #93c5fd; padding: 0; cursor: pointer; font: inherit; }
.btn-link:hover { text-decoration: underline; }

.content { flex: 1; padding: 24px; overflow-x: auto; }

/* Cards / Panels */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; margin-bottom: 20px; }
.card { background: #fff; padding: 16px; border-radius: 10px; box-shadow: 0 1px 3px rgba(0,0,0,.05); }
.card .lbl { font-size: 12px; color: #6b7280; text-transform: uppercase; letter-spacing: .5px; }
.card .val { font-size: 28px; font-weight: 700; margin-top: 6px; color: #111827; }
.card.warn .val { color: #b91c1c; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }
.panel { background: #fff; padding: 16px; border-radius: 10px; box-shadow: 0 1px 3px rgba(0,0,0,.05); margin-bottom: 20px; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #f1f5f9; vertical-align: top; }
th { color: #6b7280; font-weight: 600; font-size: 12px; text-transform: uppercase; }
table.rows tr:hover { background: #f8fafc; }
.kv { list-style: none; padding: 0; margin: 0; }
.kv li { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed #e5e7eb; }
.kv li span { color: #6b7280; }
.kv-tbl th { width: 220px; }
.kv-tbl pre { margin: 0; }
.json { max-height: 400px; overflow: auto; }

/* Badges */
.badge { padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.b-PERSISTED, .b-PENDING, .b-RECEIVED { background: #dbeafe; color: #1e40af; }
.b-PROCESSED, .b-DELIVERED { background: #dcfce7; color: #166534; }
.b-PROCESSING, .b-SENDING, .b-RETRYING { background: #fef9c3; color: #854d0e; }
.b-FAILED, .b-DEAD { background: #fee2e2; color: #991b1b; }
.b-DUPLICATE { background: #ede9fe; color: #5b21b6; }
.ok { color: #166534; }
.err { color: #991b1b; }

/* Filter */
.filter { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }
.filter input, .filter select { padding: 6px 8px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 13px; }
.filter button { padding: 6px 12px; background: #1d4ed8; color: #fff; border: 0; border-radius: 6px; cursor: pointer; }
.pager { margin-top: 12px; }
.msg { max-width: 320px; }