:root {
  --bg: #1f2023;
  --panel: #26272b;
  --panel-2: #2c2d31;
  --input: #1c1d20;
  --border: #393a3f;
  --border-strong: #4a4b51;
  --text: #ececee;
  --muted: #a0a1a8;
  --faint: #75767d;
  --green: #5cb85c;
  --green-bg: #22351f;
  --green-border: #3f6e3b;
  --amber: #f0a531;
  --amber-bg: #372d1f;
  --amber-border: #7a5a24;
  --red: #e5534b;
  --red-bg: #3a2222;
  --blue: #6aa6ff;
  --focus: #3b82f6;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f6f4;
    --panel: #ffffff;
    --panel-2: #f2f2ef;
    --input: #ffffff;
    --border: #dddcd6;
    --border-strong: #c7c6bf;
    --text: #1d1d1f;
    --muted: #5f6066;
    --faint: #8b8c92;
    --green: #2e8b3a;
    --green-bg: #e7f4e6;
    --green-border: #9fd09d;
    --amber: #a8620a;
    --amber-bg: #fdf3e3;
    --amber-border: #e9c48a;
    --red: #c43c33;
    --red-bg: #fbeceb;
    --blue: #2563eb;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: 26px; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }
code, .mono { font-family: var(--mono); font-size: 0.92em; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.small { font-size: 13px; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.num { font-variant-numeric: tabular-nums; font-family: var(--mono); }
.amber { color: var(--amber); }
.red { color: var(--red); }
.green { color: var(--green); }

/* ── top bar ── */
.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 0 24px; height: 56px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; white-space: nowrap; }
.brand svg { color: var(--green); }
.nav { display: flex; gap: 4px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.nav a { color: var(--muted); padding: 8px 12px; border-radius: 8px; white-space: nowrap; }
.nav a:hover { color: var(--text); background: var(--panel-2); text-decoration: none; }
.nav a.active { color: var(--text); background: var(--panel-2); }
.nav .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--amber); margin-left: 6px; vertical-align: 1px; }
.user { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; white-space: nowrap; }

main { max-width: 1240px; margin: 0 auto; padding: 32px 24px 64px; }

/* ── page header ── */
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head > div:first-child { flex: 1 1 420px; min-width: 0; }
.page-title { display: flex; align-items: center; gap: 12px; }
.page-title svg { color: var(--green); flex: none; }
.page-sub { color: var(--muted); margin-top: 6px; }
.head-controls { display: flex; gap: 8px; align-items: center; flex: none; }
.head-controls select { width: auto; min-width: 190px; }

/* ── tabs ── */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.tab {
  background: none; border: 0; color: var(--muted); font: inherit; font-size: 16px;
  padding: 10px 16px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
  display: inline-flex; align-items: center; gap: 8px;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--green); }
.tab .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }

/* ── buttons & inputs ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 16px; border-radius: 10px;
  border: 1px solid var(--border-strong); background: var(--panel); color: var(--text);
  font: inherit; font-weight: 500; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--panel-2); text-decoration: none; }
.btn:disabled { opacity: 0.55; cursor: progress; }
.btn.primary { background: var(--green); border-color: var(--green); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--red); }
.btn.sm { height: 32px; padding: 0 12px; font-size: 13px; border-radius: 8px; }
.btn.icon { width: 40px; padding: 0; flex: none; font-size: 18px; }
.inline-form { display: flex; gap: 8px; align-items: center; }
.inline-form input { width: 260px; }
@media (max-width: 640px) { .inline-form { width: 100%; } .inline-form input { width: auto; flex: 1; min-width: 0; } }
.linkbtn { background: none; border: 0; color: var(--green); font: inherit; cursor: pointer; padding: 0; }
.linkbtn:hover { text-decoration: underline; }
.linkbtn.danger { color: var(--red); }

label.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=url], input[type=search], select, textarea {
  width: 100%; height: 44px; padding: 0 14px;
  background: var(--input); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 10px; font: inherit;
}
textarea { height: auto; min-height: 72px; padding: 10px 14px; resize: vertical; font-family: var(--mono); font-size: 13px; }
select { padding-right: 32px; }
input::placeholder, textarea::placeholder { color: var(--faint); }
input:focus, select:focus, textarea:focus, .btn:focus-visible, .tab:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }
input[readonly] { color: var(--muted); }
.check { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; color: var(--text); }
.check input { width: 18px; height: 18px; accent-color: var(--green); }
.hint { font-size: 13px; color: var(--faint); }

/* ── panels & cards ── */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); }
.panel-pad { padding: 24px; }
.section { margin-top: 24px; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* ── banners ── */
.banner { border-radius: var(--radius); padding: 16px 20px; display: flex; gap: 14px; align-items: flex-start; }
.banner svg { flex: none; margin-top: 2px; }
.banner.amber { background: var(--amber-bg); border: 1px solid var(--amber-border); color: var(--text); }
.banner.amber svg { color: var(--amber); }
.banner.green { background: var(--green-bg); border: 1px solid var(--green-border); }
.banner.green svg { color: var(--green); }
.banner.red { background: var(--red-bg); border: 1px solid var(--red); }
.banner .lines { display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 0; }
.banner .title { font-weight: 600; font-size: 16px; }
.banner .sub { color: var(--muted); }
.banner .actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }

/* ── tiles ── */
.tiles { display: grid; grid-template-columns: repeat(6, 1fr); border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); overflow: hidden; }
.tile { padding: 20px 24px; border-right: 1px solid var(--border); min-width: 0; }
.tile:last-child { border-right: 0; }
.tile .label { color: var(--muted); font-size: 14px; }
.tile .value { font-family: var(--mono); font-size: 30px; font-weight: 700; margin-top: 6px; }
.tile .delta { color: var(--muted); font-size: 13px; margin-top: 6px; min-height: 18px; }

/* ── tables ── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 500; font-size: 14px; white-space: nowrap; }
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--text); }
th.sorted { color: var(--text); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--panel-2); }
td .sub { color: var(--muted); font-size: 13px; }
.table-tools { display: flex; gap: 16px; align-items: center; padding: 16px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.table-tools .search { flex: 1; min-width: 220px; position: relative; }
.table-tools .search input { padding-left: 42px; }
.table-tools .search svg { position: absolute; left: 14px; top: 12px; color: var(--muted); }
.pager { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.empty { padding: 40px 16px; text-align: center; color: var(--muted); }

/* ── chips & badges ── */
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 500; white-space: nowrap; background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); }
.chip.green { background: var(--green-bg); color: var(--green); border-color: var(--green-border); }
.chip.amber { background: var(--amber-bg); color: var(--amber); border-color: var(--amber-border); }
.chip.red { background: var(--red-bg); color: var(--red); border-color: var(--red); }
.chip.blue { color: var(--blue); }
.tag-custom { display: inline-block; margin-left: 8px; padding: 1px 8px; border-radius: 6px; font-size: 12px; background: var(--green-bg); color: var(--green); font-family: system-ui, sans-serif; }

/* ── provider cards ── */
.pcard { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.pcard.active { border-color: var(--green-border); }
.pcard-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pcard-head h3 { font-size: 18px; }
.sending { color: var(--green); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.credits .label { color: var(--muted); font-size: 14px; }
.credits .value { font-family: var(--mono); font-size: 34px; font-weight: 700; line-height: 1.2; }
.credits .value.low { color: var(--amber); }
.credits .sub { color: var(--muted); font-size: 13px; }
details.adv summary { cursor: pointer; color: var(--muted); font-size: 14px; }
details.adv[open] summary { margin-bottom: 12px; }
.lasterr { font-size: 13px; color: var(--amber); word-break: break-word; }

/* ── history ── */
details.history summary { cursor: pointer; color: var(--muted); list-style: none; display: inline-flex; gap: 8px; align-items: center; }
details.history summary::-webkit-details-marker { display: none; }
details.history summary::before { content: "›"; display: inline-block; transition: transform .15s; font-size: 18px; }
details.history[open] summary::before { transform: rotate(90deg); }
.events { margin-top: 12px; display: flex; flex-direction: column; }
.event { display: grid; grid-template-columns: 150px 140px 1fr; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.event:last-child { border-bottom: 0; }

/* ── message detail ── */
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 10px 16px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }
.body-box { background: var(--input); border: 1px solid var(--border); border-radius: 10px; padding: 14px; white-space: pre-wrap; word-break: break-word; font-size: 14px; }
.secret-box { background: var(--green-bg); border: 1px solid var(--green-border); border-radius: 10px; padding: 14px 16px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.secret-box code { word-break: break-all; flex: 1; min-width: 200px; font-size: 14px; }
.back { display: inline-flex; gap: 6px; align-items: center; color: var(--muted); margin-bottom: 16px; }

/* ── login ── */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login { width: 100%; max-width: 400px; }
.login .brand { margin-bottom: 20px; font-size: 18px; }

/* ── toast ── */
#toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 50; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast { background: var(--panel-2); border: 1px solid var(--border-strong); color: var(--text); padding: 10px 16px; border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.35); font-size: 14px; max-width: min(560px, calc(100vw - 32px)); }
.toast.error { border-color: var(--red); }
.toast.ok { border-color: var(--green-border); }

.loading { color: var(--muted); padding: 40px 0; text-align: center; }

/* ── responsive ── */
@media (max-width: 1000px) {
  .tiles { grid-template-columns: repeat(3, 1fr); }
  .tile:nth-child(3n) { border-right: 0; }
  .tile:nth-child(-n+3) { border-bottom: 1px solid var(--border); }
}
@media (max-width: 640px) {
  main { padding: 20px 16px 48px; }
  .topbar { padding: 0 16px; gap: 12px; }
  .brand span { display: none; }
  .user .email { display: none; }
  h1 { font-size: 22px; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .tile { border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 16px; }
  .tile:nth-child(2n) { border-right: 0; }
  .tile:nth-child(3n) { border-right: 1px solid var(--border); }
  .tile:nth-child(6), .tile:nth-child(4) { border-right: 0; }
  .tile .value { font-size: 24px; }
  .panel-pad, .pcard { padding: 18px; }
  .grid2 { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .kv dd { margin-bottom: 8px; }
  .event { grid-template-columns: 1fr; gap: 2px; }
  th, td { padding: 12px; }
}