:root {
  --bg: #0f172a;
  --bg-panel: #1e293b;
  --bg-panel-2: #253348;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --critical: #e74c3c;
  --warning: #f1c40f;
  --info: #3498db;
  --success: #2ecc71;
  --danger: #ef4444;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

a { color: var(--accent); text-decoration: none; }
code {
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 12px;
  word-break: break-all;
}
h1 { font-size: 20px; margin: 6px 0 4px; }
h2 { font-size: 16px; margin: 24px 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 420px; }

/* Nav */
.nav {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}
.brand { font-weight: 700; letter-spacing: .3px; }
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 6px;
}
.nav-links a:hover { color: var(--text); background: var(--bg-panel-2); }
.nav-links a.active { color: var(--accent); font-weight: 600; }

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 20px 16px 60px; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* Stats */
.stats { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.chip {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--muted);
}
.chip-st.sent { color: var(--success); border-color: rgba(46,204,113,.4); }
.chip-st.partial { color: var(--warning); border-color: rgba(241,196,15,.4); }
.chip-st.failed { color: var(--danger); border-color: rgba(239,68,68,.4); }
.chip-st.skipped { color: var(--muted); }

/* Filters */
.filters {
  display: grid;
  grid-template-columns: repeat(6, auto) 1fr;
  gap: 8px;
  align-items: center;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 16px;
}
.filters input[type="date"] { width: 150px; }

input, select, textarea {
  background: var(--bg-panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
input[type="search"] { min-width: 200px; flex: 1; }
.filters input[type="search"] { min-width: 0; }

input[type="checkbox"], input[type="radio"] { accent-color: var(--accent); width: auto; }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--bg-panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #082f49; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); }
.btn.block { width: 100%; }
.btn-link {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 13px;
  padding: 0;
  font-family: inherit;
}
.btn-link.danger-link { color: var(--danger); }

/* Target chips (sources page) */
.target-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.count-cell { font-variant-numeric: tabular-nums; color: var(--text); }
.target-chip { color: #a5f3fc; border-color: rgba(56,189,248,.4); background: rgba(56,189,248,.1); }
.chip-type { font-size: 9px; opacity: .7; }
.target-chip-all { color: var(--success); border-color: rgba(46,204,113,.4); background: rgba(46,204,113,.1); font-weight: 600; }
.target-chip-none { color: var(--muted); border-color: var(--border); background: var(--bg-panel-2); }
.target-checkbox-list { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; max-height: 200px; overflow-y: auto; }
.target-checkbox-list .check { display: flex; align-items: center; gap: 6px; color: var(--text); }

/* Badges */
.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 11px;
  text-transform: capitalize;
  border: 1px solid transparent;
}
.sev-critical { color: var(--critical); border-color: rgba(231,76,60,.45); background: rgba(231,76,60,.12); }
.sev-warning { color: var(--warning); border-color: rgba(241,196,15,.45); background: rgba(241,196,15,.12); }
.sev-info { color: var(--info); border-color: rgba(52,152,219,.45); background: rgba(52,152,219,.12); }
.sev-success { color: var(--success); border-color: rgba(46,204,113,.45); background: rgba(46,204,113,.12); }
.st-sent { color: var(--success); border-color: rgba(46,204,113,.45); background: rgba(46,204,113,.12); }
.st-partial { color: var(--warning); border-color: rgba(241,196,15,.45); background: rgba(241,196,15,.12); }
.st-failed { color: var(--danger); border-color: rgba(239,68,68,.45); background: rgba(239,68,68,.12); }
.st-skipped { color: var(--muted); border-color: var(--border); background: var(--bg-panel-2); }
.badge.ok { color: var(--success); border-color: rgba(46,204,113,.45); }
.badge.disabled { color: var(--muted); border-color: var(--border); }
.badge.target-type { color: var(--info); border-color: rgba(52,152,219,.45); background: rgba(52,152,219,.12); }

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--bg-panel-2); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
tbody tr:hover { background: rgba(56,189,248,.05); }
tbody tr[data-source] { cursor: pointer; }
tbody tr[data-source].selected { background: rgba(56,189,248,.12); }
.title-cell { max-width: 420px; }
.empty { text-align: center; color: var(--muted); padding: 24px; }
.key-cell { font-size: 12px; }

/* Pagination */
.pagination { display: flex; gap: 10px; align-items: center; justify-content: center; margin-top: 16px; }

/* Alerts */
.alert { border-radius: 8px; padding: 10px 12px; margin-bottom: 12px; font-size: 13px; }
.alert.error { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.4); color: #fca5a5; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  width: 100%;
  max-width: 380px;
}
.login-card label { display: block; margin-bottom: 14px; color: var(--muted); font-size: 13px; }
.login-card input { width: 100%; margin-top: 6px; }
.login-card h1 { margin-top: 0; }

/* Targets */
.target-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; margin-top: 16px; }
.target-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.target-head { display: flex; justify-content: space-between; align-items: center; }
.target-meta { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 12px; }
.target-sev { display: flex; gap: 4px; flex-wrap: wrap; }
.target-actions { display: flex; gap: 8px; margin-top: 4px; }

/* Modal */
.hidden { display: none; }
.modal { position: fixed; inset: 0; z-index: 50; display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(2,6,23,.7); }
.modal-card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 640px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.modal-head h2 { margin: 0; font-size: 16px; }
.modal-body { padding: 18px; overflow-y: auto; }
.modal-body label { display: block; margin-bottom: 12px; color: var(--muted); font-size: 13px; }
.modal-body input[type="text"], .modal-body input[type="url"], .modal-body input[type="email"], .modal-body input[type="password"], .modal-body input[type="number"] { width: 100%; margin-top: 4px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }
.field-row { display: flex; gap: 12px; align-items: flex-start; }
.field-row > label { flex: 1; }
.field-row .check.inline { margin-top: 20px; }
.sev-fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin: 0 0 12px; font-size: 13px; }
.sev-fieldset legend { padding: 0 6px; color: var(--muted); }
.check-row { display: flex; gap: 10px; flex-wrap: wrap; }
.check { display: flex; align-items: center; gap: 6px; color: var(--text); }
.check.inline { flex-direction: row; }
.detail-loading { color: var(--muted); }

/* Settings page */
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; margin-top: 16px; }
.settings-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.settings-card h2 { margin-top: 0; }
.settings-card label { display: block; margin-bottom: 12px; color: var(--muted); font-size: 13px; }
.settings-card input[type="password"] { width: 100%; margin-top: 4px; }

/* Help page */
.help-grid { display: grid; gap: 16px; margin-top: 16px; }
.help-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.help-card h2 { margin-top: 0; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.help-card h3 { margin: 18px 0 6px; font-size: 14px; }
.help-chip {
  display: inline-block;
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
}
.help-chip.discord { color: #8b9cf5; border: 1px solid rgba(137,153,245,.4); background: rgba(137,153,245,.12); }
.help-chip.telegram { color: var(--info); border: 1px solid rgba(52,152,219,.4); background: rgba(52,152,219,.12); }
.help-chip.email { color: var(--success); border: 1px solid rgba(46,204,113,.4); background: rgba(46,204,113,.12); }
.help-chip.slack { color: #b56bc0; border: 1px solid rgba(181,107,192,.4); background: rgba(181,107,192,.12); }
.help-steps { margin: 8px 0 0; padding-left: 20px; line-height: 1.7; }
.help-steps li { margin-bottom: 6px; }
.help-steps code { color: #67e8f9; background: rgba(56,189,248,.1); border-radius: 4px; padding: 1px 5px; font-size: 12px; }
.help-warn {
  margin-top: 12px;
  background: rgba(241,196,15,.08);
  border: 1px solid rgba(241,196,15,.4);
  color: var(--warning);
  line-height: 1.7;
}
.help-warn code { color: #fde68a; background: rgba(241,196,15,.08); }

/* Detail modal */
.detail-kv { display: grid; grid-template-columns: 130px 1fr; gap: 4px 12px; font-size: 13px; }
.delivery-item { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; margin-bottom: 8px; }
.log-attempt { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; margin-bottom: 10px; }
.log-attempt .pre-block { margin-top: 6px; margin-bottom: 0; max-height: 240px; }
.log-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; line-height: 1.6; }

/* Test progress */
.test-stage { display: flex; gap: 14px; align-items: flex-start; }
.spinner {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border: 3px solid rgba(56,189,248,.25);
  border-top-color: var(--info);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin-top: 2px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.attempt-dots { display: flex; gap: 6px; align-items: center; }
.attempt-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.attempt-dots .dot.active {
  border-color: var(--info);
  animation: pulse .8s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .35; } }
.attempt-dots .dot.ok { background: var(--success); border-color: var(--success); }
.attempt-dots .dot.fail { background: var(--danger); border-color: var(--danger); }
.pre-block {
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  overflow: auto;
  max-height: 320px;
  font-size: 12px;
  font-family: Consolas, "Courier New", monospace;
  white-space: pre-wrap;
  word-break: break-word;
}
.codeblock {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  overflow-x: auto;
  font-size: 12px;
  font-family: Consolas, "Courier New", monospace;
  white-space: pre;
  color: #a5f3fc;
}
.payload-notes { margin: 12px 0 0; padding-left: 20px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.payload-notes li { margin-bottom: 4px; }
.payload-notes code { color: #67e8f9; background: rgba(56,189,248,.1); border-radius: 4px; padding: 1px 5px; font-size: 12px; }

/* Toast */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 18px;
  z-index: 100;
  color: var(--text);
  box-shadow: 0 8px 24px rgba(0,0,0,.45);
}
.toast.hidden { display: none; }
.toast.error { border-color: var(--danger); color: #fca5a5; }
.toast.success { border-color: var(--success); color: #86efac; }

@media (max-width: 900px) {
  .filters { grid-template-columns: 1fr 1fr; }
  .nav-inner { flex-direction: column; height: auto; padding: 10px 16px; gap: 8px; }
  .title-cell { max-width: 200px; }
}