:root {
  --ink: #061426;
  --text: #1f2937;
  --muted: #5b6b80;
  --faint: #8a94a6;
  --blue: #0a66c2;
  --blue-soft: #e8f1fb;
  --canvas: #f4f6fb;
  --card: #ffffff;
  --line: #e2e8f0;
  --ok: #1a7f4b;
  --ok-soft: #e6f4ec;
  --warn: #a15c00;
  --warn-soft: #fdf3e2;
  --bad: #b42318;
  --bad-soft: #fdecea;
  --violet: #6d4cc2;
  --violet-soft: #f0ebfb;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(6, 20, 38, .05), 0 4px 16px rgba(6, 20, 38, .05);
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--canvas); color: var(--text); font: 14px/1.5 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { color: var(--ink); margin: 0; font-weight: 600; }
h1 { font-size: 22px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }
.boot { padding: 40vh 0; text-align: center; color: var(--muted); }
button, input, select, textarea { font: inherit; color: inherit; }

/* ── Shell ─────────────────────────────────────────────── */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.side { background: var(--card); border-right: 1px solid var(--line); padding: 20px 14px; display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh; }
.side .brand { display: flex; flex-direction: column; gap: 4px; padding: 0 8px 18px; }
.side .brand img { width: 150px; height: auto; }
.side .brand span { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding-left: 2px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 9px; color: var(--text); font-weight: 500; }
.nav a:hover { background: var(--canvas); text-decoration: none; }
.nav a.on { background: var(--blue-soft); color: var(--blue); }
.nav svg { width: 18px; height: 18px; flex: none; }
.nav .grow { flex: 1; }
.nav .count { background: var(--blue); color: #fff; font-size: 11px; font-weight: 700; border-radius: 999px; padding: 1px 7px; min-width: 20px; text-align: center; }
.side .foot { margin-top: auto; display: flex; flex-direction: column; gap: 8px; padding: 12px 8px 0; border-top: 1px solid var(--line); }
.side .foot .health { font-size: 12px; color: var(--muted); display: grid; gap: 4px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--faint); margin-right: 6px; vertical-align: 1px; }
.dot.ok { background: var(--ok); } .dot.bad { background: var(--bad); } .dot.warn { background: #e09400; }
.shell > div { min-width: 0; }
.main { padding: 28px 32px 64px; min-width: 0; }
.topbar { display: none; }
.page-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head .grow { flex: 1; }
.page-head p { margin: 4px 0 0; color: var(--muted); }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; inset: 0 auto 0 0; width: 260px; z-index: 40; transform: translateX(-100%); transition: transform .2s; box-shadow: var(--shadow); }
  .shell.menu .side { transform: none; }
  .topbar { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 30; }
  .topbar img { height: 30px; }
  .main { padding: 20px 16px 64px; }
}

/* ── Building blocks ───────────────────────────────────── */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card.pad { padding: 20px; }
.card-head { display: flex; align-items: center; gap: 10px; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.card-head .grow { flex: 1; }
.grid { display: grid; gap: 16px; }
.grid > * { min-width: 0; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { padding: 16px 18px; }
.kpi .label { font-size: 12px; color: var(--muted); font-weight: 600; }
.kpi .value { font-size: 26px; font-weight: 600; color: var(--ink); line-height: 1.2; margin-top: 4px; font-variant-numeric: tabular-nums; }
.kpi .sub { font-size: 12px; color: var(--faint); }
a.kpi.link { color: inherit; text-decoration: none; }
a.kpi.link:hover { border-color: #b9d3ef; }
@media (max-width: 1000px) { .g2, .g3 { grid-template-columns: 1fr; } }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid var(--line); background: var(--card); color: var(--ink); padding: 8px 14px; border-radius: 9px; font-weight: 600; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: #c5d0de; background: #fafbfd; }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.primary:hover { background: #0857a6; }
.btn.danger { color: var(--bad); }
.btn.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn.ghost { border-color: transparent; background: transparent; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn svg { width: 16px; height: 16px; }

.field { display: grid; gap: 5px; }
.field > span { font-size: 12px; font-weight: 600; color: var(--muted); }
.field small { color: var(--faint); font-size: 12px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=search], input[type=datetime-local], select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 9px; padding: 8px 11px; background: #fff; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(10, 102, 194, .14); }
textarea { resize: vertical; min-height: 180px; line-height: 1.55; }
.check { display: flex; align-items: flex-start; gap: 8px; cursor: pointer; }
.check input { margin-top: 3px; }
.check small { display: block; color: var(--faint); }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row .grow { flex: 1; min-width: 160px; }
.stack { display: grid; gap: 14px; }

.chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--canvas); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.chip.c0 { background: #e8f1fb; color: #0a66c2; border-color: #cfe1f5; }
.chip.c1 { background: #f0ebfb; color: #6d4cc2; border-color: #e0d6f6; }
.chip.c2 { background: #e6f4ec; color: #1a7f4b; border-color: #cbe8d7; }
.chip.c3 { background: #fdf3e2; color: #a15c00; border-color: #f6e0b9; }
.chip.c4 { background: #e6f6f8; color: #0e7490; border-color: #c7e9ee; }
.chip.c5 { background: #fdecf3; color: #b0306a; border-color: #f6d0e0; }
.chip.c6 { background: #eef2f6; color: #3d4b5c; border-color: #dbe2ea; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 6px; font-size: 12px; font-weight: 600; text-transform: capitalize; }
.badge.draft { background: var(--canvas); color: var(--muted); }
.badge.running, .badge.active, .badge.sent { background: var(--ok-soft); color: var(--ok); }
.badge.scheduled { background: var(--blue-soft); color: var(--blue); }
.badge.paused, .badge.deferred { background: var(--warn-soft); color: var(--warn); }
.badge.completed, .badge.done { background: #eef2f6; color: #3d4b5c; }
.badge.replied { background: var(--violet-soft); color: var(--violet); }
.badge.unsubscribed, .badge.bounced, .badge.failed, .badge.stopped { background: var(--bad-soft); color: var(--bad); }
.tag { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 5px; background: var(--canvas); color: var(--muted); margin: 1px 2px 1px 0; }

.table-wrap { overflow-x: auto; }
table.list { width: 100%; border-collapse: collapse; }
table.list th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 10px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; background: #fafbfd; }
table.list td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.list tr:last-child td { border-bottom: 0; }
table.list tr.click { cursor: pointer; }
table.list tr.click:hover td { background: #fafbfd; }
table.list .num { text-align: right; font-variant-numeric: tabular-nums; }
.who b { color: var(--ink); font-weight: 600; display: block; }
.who span { color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); font-size: 12px; }
.empty { padding: 40px 20px; text-align: center; color: var(--muted); }
.empty h3 { margin-bottom: 6px; }
.pager { display: flex; align-items: center; gap: 10px; justify-content: flex-end; padding: 12px 16px; color: var(--muted); font-size: 13px; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; padding: 14px 16px; border-bottom: 1px solid var(--line); align-items: center; }
.toolbar input[type=search] { max-width: 280px; }
.toolbar select { width: auto; }
.bulkbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 10px 16px; background: var(--blue-soft); border-bottom: 1px solid #cfe1f5; font-weight: 600; color: var(--blue); }
.bulkbar select { width: auto; }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 18px; overflow-x: auto; }
.tabs a { padding: 10px 14px; color: var(--muted); font-weight: 600; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a:hover { color: var(--ink); text-decoration: none; }
.tabs a.on { color: var(--blue); border-bottom-color: var(--blue); }

/* Sequence editor */
.steps { display: grid; gap: 0; }
.step { position: relative; }
.step .card { overflow: hidden; }
.step-head { display: flex; align-items: center; gap: 10px; padding: 12px 18px; background: #fafbfd; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.step-head .n { width: 26px; height: 26px; border-radius: 50%; background: var(--blue); color: #fff; font-weight: 700; font-size: 13px; display: grid; place-items: center; flex: none; }
.step-head .grow { flex: 1; }
.step-body { padding: 16px 18px; display: grid; gap: 12px; }
.wait { display: flex; align-items: center; gap: 8px; padding: 14px 0 14px 30px; color: var(--muted); font-size: 13px; position: relative; }
.wait::before { content: ''; position: absolute; left: 30px; top: 0; bottom: 0; border-left: 2px dashed #c5d0de; }
.wait > * { position: relative; background: var(--canvas); }
.wait .pill { margin-left: 18px; display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--card); }
.wait input { width: 56px; padding: 3px 6px; text-align: center; }
.tags-hint { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; font-size: 12px; color: var(--muted); }
.tags-hint button { border: 1px dashed #c5d0de; background: #fff; border-radius: 6px; padding: 1px 7px; font-size: 12px; cursor: pointer; color: var(--blue); font-family: Consolas, monospace; }
.savebar { position: sticky; bottom: 0; margin-top: 18px; padding: 12px 16px; background: rgba(255, 255, 255, .94); backdrop-filter: blur(6px); border: 1px solid var(--line); border-radius: var(--radius); display: flex; gap: 10px; align-items: center; box-shadow: var(--shadow); z-index: 5; }
.savebar .grow { flex: 1; color: var(--muted); font-size: 13px; }

/* Bars chart */
.bars { display: grid; grid-template-columns: repeat(14, 1fr); gap: 6px; align-items: end; height: 150px; padding: 8px 4px 0; }
.bars .b { display: flex; flex-direction: column; justify-content: flex-end; align-items: stretch; height: 100%; position: relative; }
.bars .b i { display: block; background: #b9d3ef; border-radius: 4px 4px 0 0; min-height: 2px; }
.bars .b i.o { background: var(--blue); border-radius: 0; }
.bars .b:hover i { filter: brightness(.92); }
.bars-x { display: grid; grid-template-columns: repeat(14, 1fr); gap: 6px; font-size: 10px; color: var(--faint); text-align: center; padding: 4px 4px 0; }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }

.feed { list-style: none; margin: 0; padding: 0; }
.feed li { display: flex; gap: 10px; padding: 10px 20px; border-bottom: 1px solid var(--line); align-items: flex-start; }
.feed li:last-child { border-bottom: 0; }
.feed .ic { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; flex: none; font-size: 13px; font-weight: 700; }
.feed .txt { flex: 1; min-width: 0; }
.feed .txt b { color: var(--ink); font-weight: 600; }
.feed .txt .d { color: var(--muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.feed time { font-size: 12px; color: var(--faint); white-space: nowrap; }
.ic.sent { background: var(--ok-soft); color: var(--ok); }
.ic.opened, .ic.clicked { background: var(--blue-soft); color: var(--blue); }
.ic.replied { background: var(--violet-soft); color: var(--violet); }
.ic.failed, .ic.bounced, .ic.unsubscribed, .ic.stopped { background: var(--bad-soft); color: var(--bad); }
.ic.other { background: var(--canvas); color: var(--muted); }

.cats { display: grid; gap: 10px; padding: 16px 20px; }
.cats .r { display: grid; grid-template-columns: 110px 1fr 48px; gap: 10px; align-items: center; font-size: 13px; }
.cats .track { height: 8px; background: var(--canvas); border-radius: 99px; overflow: hidden; }
.cats .track i { display: block; height: 100%; background: var(--blue); border-radius: 99px; }

.banner { border-radius: var(--radius); padding: 14px 18px; margin-bottom: 16px; border: 1px solid; display: flex; gap: 12px; align-items: flex-start; }
.banner.warn { background: var(--warn-soft); border-color: #f6e0b9; color: #6b3d00; }
.banner.info { background: var(--blue-soft); border-color: #cfe1f5; color: #0b3f75; }
.banner b { display: block; margin-bottom: 2px; }
.banner ol { margin: 6px 0 0; padding-left: 18px; }

.presets { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
.preset { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; cursor: pointer; background: #fff; text-align: left; }
.preset:hover { border-color: #b9d3ef; }
.preset.on { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(10, 102, 194, .14); }
.preset b { display: block; color: var(--ink); }
.preset span { font-size: 12px; color: var(--muted); }

.funnel td.bar { width: 40%; }
.meter { height: 8px; background: var(--canvas); border-radius: 99px; overflow: hidden; }
.meter i { display: block; height: 100%; background: var(--blue); }

/* Modal, drawer, toast */
.overlay { position: fixed; inset: 0; background: rgba(6, 20, 38, .45); z-index: 60; display: grid; place-items: center; padding: 16px; animation: fade .12s; }
.modal { min-width: 0; background: var(--card); border-radius: 14px; width: 100%; max-width: 560px; max-height: calc(100vh - 32px); display: flex; flex-direction: column; box-shadow: 0 20px 60px rgba(6, 20, 38, .3); }
.modal.wide { max-width: 860px; }
.modal-head { display: flex; align-items: center; gap: 10px; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.modal-head h2 { flex: 1; }
.modal-body { padding: 20px; overflow: auto; display: grid; gap: 14px; }
.modal-foot { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; padding: 14px 20px; border-top: 1px solid var(--line); }
.x { border: 0; background: transparent; font-size: 22px; line-height: 1; cursor: pointer; color: var(--muted); padding: 2px 6px; }
.preview-frame { width: 100%; height: 460px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.preview-meta { font-size: 13px; color: var(--muted); display: grid; gap: 2px; }
.preview-meta b { color: var(--ink); }
#toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 80; }
.toast { background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 10px; box-shadow: var(--shadow); max-width: 380px; animation: fade .15s; }
.toast.bad { background: var(--bad); }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .card { width: 100%; max-width: 380px; padding: 32px; display: grid; gap: 16px; }
.login img { width: 170px; }
.login p { margin: 0; color: var(--muted); }
.err { color: var(--bad); font-size: 13px; }
pre.csv { background: var(--canvas); border-radius: 8px; padding: 10px; font-size: 12px; overflow: auto; max-height: 160px; margin: 0; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; font-size: 13px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; color: var(--ink); word-break: break-word; }
.q-ok { color: var(--ok); } .q-warn { color: var(--warn); } .q-bad { color: var(--bad); }

/* Step types and copy checker */
.step-head .n.task { background: var(--violet); }
.kind-select { width: auto; padding: 4px 8px; font-size: 13px; }
.lint { display: grid; gap: 3px; font-size: 12.5px; }
.lint:empty { display: none; }
.lint-warn { color: var(--bad); }
.lint-info { color: var(--warn); }
.lint-ok { color: var(--ok); }