:root {
  --bg: #f5f6fa; --card: #fff; --text: #1f2330; --muted: #6b7280; --border: #e3e5ec;
  --primary: #c13584; --primary-text: #fff; --success: #16a34a; --danger: #dc2626; --warn: #d97706;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14161c; --card: #1d2029; --text: #e7e9ee; --muted: #9aa1ad; --border: #2c303b; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Vazirmatn, Tahoma, sans-serif; font-size: 15px; line-height: 1.7; }
a { color: var(--primary); text-decoration: none; }
h1 { font-size: 1.4rem; margin: .5rem 0 1rem; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
.container { max-width: 1100px; margin: 0 auto; padding: 16px; }
.topbar { background: var(--card); border-bottom: 1px solid var(--border); padding: 10px 16px; display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; }
.topbar .brand { font-weight: 700; }
.topbar nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.topbar nav a { color: var(--text); }
.topbar nav a:hover { color: var(--primary); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.card.narrow { max-width: 380px; margin: 60px auto; }
fieldset { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; margin: 0 0 14px; }
legend { font-weight: 600; padding: 0 6px; }
label { display: block; margin-bottom: 10px; }
label.check { display: flex; gap: 8px; align-items: flex-start; }
label.check input { margin-top: 6px; }
input:not([type=checkbox]), select, textarea {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--bg); color: var(--text); font: inherit;
}
textarea { resize: vertical; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 700px) { .grid2 { grid-template-columns: 1fr; } }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.filters { margin-bottom: 12px; }
.btn { display: inline-block; border: 1px solid var(--border); background: var(--card); color: var(--text); padding: 7px 14px; border-radius: 8px; cursor: pointer; font: inherit; }
.btn.small { padding: 2px 10px; font-size: .85rem; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.success { background: var(--success); border-color: var(--success); color: #fff; }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.warn { background: var(--warn); border-color: var(--warn); color: #fff; }
.flash { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; }
.flash.error { background: #fef2f2; color: #991b1b; border-color: #fecaca; }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px; text-align: center; }
.stat b { display: block; font-size: 1.6rem; }
.stat span { color: var(--muted); font-size: .9rem; }
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: right; vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: .85rem; }
tr.inactive td { opacity: .5; }
td.detail { font-size: .8rem; color: var(--muted); max-width: 320px; word-break: break-all; }
.tag { font-size: .8rem; padding: 1px 8px; border-radius: 99px; background: var(--border); white-space: nowrap; }
.tag.error { background: #fee2e2; color: #991b1b; }
.tag.send { background: #dcfce7; color: #166534; }
.tag.comment { background: #e0e7ff; color: #3730a3; }
.tag.dm { background: #fce7f3; color: #9d174d; }
.tag.postback { background: #fef3c7; color: #92400e; }
.muted { color: var(--muted); }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.ltr { direction: ltr; unicode-bidi: plaintext; }
td.ltr { text-align: left; }
pre { white-space: pre-wrap; background: var(--bg); padding: 8px 12px; border-radius: 8px; font-family: inherit; }
code { background: var(--bg); padding: 2px 6px; border-radius: 6px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }