:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1d212a;
  --line: #262b36;
  --text: #e6e9ef;
  --muted: #8b93a5;
  --accent: #5b8cff;
  --ok: #3ecf8e;
  --warn: #f0b429;
  --err: #ff6b6b;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
h1, h2 { font-weight: 600; letter-spacing: -0.01em; }
h2 { font-size: 15px; margin: 0 0 12px; }
.mt { margin-top: 24px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: var(--mono); }
.truncate { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-block; vertical-align: bottom; }

/* layout */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 0 24px; height: 56px;
  background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { color: var(--text); font-weight: 600; }
.brand-mark {
  background: var(--accent); color: #fff; padding: 2px 6px;
  border-radius: 6px; font-size: 12px; letter-spacing: 0.04em;
}
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a { padding: 6px 12px; border-radius: 8px; color: var(--muted); }
.topbar nav a:hover { background: var(--panel-2); color: var(--text); }
.topbar nav a.active { background: var(--panel-2); color: var(--text); }
.topbar-user { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; }

.page { max-width: 1180px; margin: 0 auto; padding: 28px 24px 64px; }
.page-title { font-size: 22px; margin: 0 0 20px; }
.centered { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.split { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px; margin-bottom: 16px;
}
.card.narrow { width: min(380px, 100%); }
.reveal { border-color: var(--accent); }

/* stats */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.stat-label { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; }
.stat-value { display: block; font-size: 28px; font-weight: 600; margin-top: 6px; font-variant-numeric: tabular-nums; }
.stat-sub { font-size: 15px; color: var(--muted); font-weight: 400; }

.stat-grid-pills { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
.pill { background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; font-size: 13px; color: var(--muted); display: flex; justify-content: space-between; }
.pill b { color: var(--text); font-variant-numeric: tabular-nums; }
.pill-sent, .pill-delivered { border-color: rgba(62, 207, 142, 0.35); }
.pill-failed { border-color: rgba(255, 107, 107, 0.35); }
.pill-queued, .pill-dispatched { border-color: rgba(240, 180, 41, 0.3); }

/* tables */
.table { width: 100%; border-collapse: collapse; }
.table th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--line);
}
.table td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.dimmed { opacity: 0.5; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.badge-queued { background: rgba(240, 180, 41, 0.15); color: var(--warn); }
.badge-dispatched { background: rgba(91, 140, 255, 0.15); color: var(--accent); }
.badge-sent, .badge-delivered { background: rgba(62, 207, 142, 0.15); color: var(--ok); }
.badge-failed { background: rgba(255, 107, 107, 0.15); color: var(--err); }
.tag { display: inline-block; background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 7px; font-size: 11px; margin-right: 4px; color: var(--muted); }

/* forms & buttons */
input, select, button { font: inherit; }
input[type="text"], input[type="email"], input[type="password"], input[type="search"], select, .card input {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  border-radius: 8px; padding: 9px 11px; width: 100%;
}
input:focus, select:focus { outline: 2px solid rgba(91, 140, 255, 0.5); outline-offset: -1px; }
label { display: block; margin-bottom: 12px; color: var(--muted); font-size: 13px; }
label input { margin-top: 5px; }
.check { display: flex; align-items: center; gap: 6px; margin: 0; white-space: nowrap; }
.check input { width: auto; }

.btn {
  display: inline-block; background: var(--panel-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-ghost { background: transparent; }
.btn-block { width: 100%; }
.btn.disabled { pointer-events: none; opacity: 0.4; }
.btn.small { padding: 4px 9px; font-size: 12px; }

.inline-form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.inline-form input[name="name"] { flex: 1; min-width: 220px; }
.filters { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.filters input { max-width: 260px; }
.filters select { max-width: 180px; }

.flash { padding: 10px 16px; border-radius: 8px; margin: 12px 24px; font-size: 13px; }
.flash-ok { background: rgba(62, 207, 142, 0.12); color: var(--ok); }
.flash-error { background: rgba(255, 107, 107, 0.12); color: var(--err); }

.token {
  display: block; background: #0b0d12; border: 1px solid var(--line); border-radius: 8px;
  padding: 12px; font-family: var(--mono); font-size: 13px; word-break: break-all; margin-bottom: 10px;
}
.snippet {
  background: #0b0d12; border: 1px solid var(--line); border-radius: 8px; padding: 14px;
  font-family: var(--mono); font-size: 12px; overflow-x: auto; margin: 0; color: var(--muted);
}

.bare { list-style: none; padding: 0; margin: 0; }
.row-between { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.row-between:last-child { border-bottom: 0; }
.pager { display: flex; align-items: center; gap: 16px; justify-content: center; }

/* chart */
#chart svg { width: 100%; height: 200px; display: block; }
.legend { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; margin-top: 10px; }
.key { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.key-sent { background: var(--ok); }
.key-failed { background: var(--err); }
.key-pending { background: var(--warn); }

.login-title { font-size: 20px; margin: 0 0 6px; }
.error-code { font-size: 46px; margin: 0; }

/* send-test screen */
.send-intro { margin: -8px 0 16px; max-width: 60ch; }
.inline-flash { margin: 0 0 16px; }
.flash-warn { background: rgba(240, 180, 41, 0.12); color: var(--warn); }

.stack { display: flex; flex-direction: column; gap: 4px; }
.stack label { margin-bottom: 12px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
textarea {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  border-radius: 8px; padding: 9px 11px; width: 100%; font: inherit; resize: vertical;
  margin-top: 5px;
}
textarea:focus { outline: 2px solid rgba(91, 140, 255, 0.5); outline-offset: -1px; }

.track { display: flex; flex-direction: column; gap: 2px; margin-bottom: 14px; }
.track-step {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 0; color: var(--muted); font-size: 13px;
}
.track-step .dot {
  width: 11px; height: 11px; border-radius: 50%;
  border: 2px solid var(--line); background: transparent; flex: none;
}
.track-step.done { color: var(--text); }
.track-step.done .dot { background: var(--ok); border-color: var(--ok); }
.track-step.current { color: var(--text); }
.track-step.current .dot {
  border-color: var(--accent); background: var(--accent);
  box-shadow: 0 0 0 4px rgba(91, 140, 255, 0.18);
}
.track-failed .track-step .dot { border-color: var(--err); }
.track-failed #track-detail { color: var(--err); }

/* client management */
.crumb { font-size: 13px; color: var(--muted); margin: 0 0 6px; }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--text); }
.cred-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 10px; }
.cred-label {
  display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--muted); margin-bottom: 5px;
}
.page-title .badge { vertical-align: middle; margin-left: 8px; }
@media (max-width: 620px) { .cred-row { grid-template-columns: 1fr; } }