:root {
  --bg: #f6f6f3; --panel: #ffffff; --ink: #1d1d1b; --muted: #6b6b66; --line: #e6e5e0; --soft: #f0efea;
  --accent: #4f46e5; --accent-ink: #fff; --accent-soft: #eef0ff;
  --good: #15803d; --good-soft: #e7f6ec; --warn: #b45309; --warn-soft: #fdf3e2; --bad: #b91c1c; --bad-soft: #fdecec;
  --radius: 10px; --shadow: 0 1px 2px rgba(0,0,0,.04), 0 2px 10px rgba(0,0,0,.04);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg:#141413; --panel:#1d1d1b; --ink:#ecebe6; --muted:#9c9b95; --line:#2e2e2b; --soft:#252523;
    --accent:#8b85ff; --accent-ink:#111; --accent-soft:#25234a; --good:#4ade80; --good-soft:#16301f; --warn:#fbbf24; --warn-soft:#352a12; --bad:#f87171; --bad-soft:#3a1717; color-scheme: dark; }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--ink); font-size: 14px; line-height: 1.45; }
a { color: var(--accent); text-decoration: none; }
h1 { font-size: 22px; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

/* Layout */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.side { background: var(--panel); border-right: 1px solid var(--line); padding: 18px 12px; position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 4px; }
.brand { font-weight: 700; font-size: 17px; padding: 4px 10px 18px; display: flex; align-items: center; gap: 8px; }
.brand .logo { width: 26px; height: 26px; border-radius: 7px; background: var(--accent); display: grid; place-items: center; color: var(--accent-ink); font-size: 14px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; color: var(--ink); font-weight: 500; }
.nav a:hover { background: var(--soft); }
.nav a.on { background: var(--accent-soft); color: var(--accent); }
.nav a .count { margin-left: auto; background: var(--accent); color: var(--accent-ink); border-radius: 10px; font-size: 11px; padding: 1px 7px; }
.side .foot { margin-top: auto; padding: 10px; }
.main { padding: 28px 32px 60px; max-width: 1280px; width: 100%; min-width: 0; }
.app > * { min-width: 0; }
.head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 22px; flex-wrap: wrap; }
.head .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Panels */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.kpi .v { font-size: 26px; font-weight: 700; letter-spacing: -.02em; margin-top: 2px; }
.kpi .l { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.stack > * + * { margin-top: 16px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* Buttons & inputs */
button, .btn { font: inherit; border: 1px solid var(--line); background: var(--panel); color: var(--ink); padding: 8px 14px; border-radius: 8px; cursor: pointer; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
button:hover { background: var(--soft); }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.primary:hover { filter: brightness(1.08); }
button.danger { color: var(--bad); }
button.ghost { border-color: transparent; background: transparent; }
button.sm { padding: 4px 9px; font-size: 12px; }
button:disabled { opacity: .5; cursor: not-allowed; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
textarea { resize: vertical; min-height: 120px; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
input[type=checkbox] { width: auto; }
label.f { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 4px; }
.field { margin-bottom: 12px; }
.check { display: flex; align-items: center; gap: 8px; cursor: pointer; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--line); }
td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--soft); }
.tablewrap { overflow-x: auto; }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px; border-radius: 20px; font-size: 12px; font-weight: 600; background: var(--soft); color: var(--muted); }
.badge.good { background: var(--good-soft); color: var(--good); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.badge.acc { background: var(--accent-soft); color: var(--accent); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: currentColor; }
.score { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 14px; border: 3px solid; }
.score.good { color: var(--good); border-color: var(--good); }
.score.warn { color: var(--warn); border-color: var(--warn); }
.score.bad { color: var(--bad); border-color: var(--bad); }
.score.big { width: 84px; height: 84px; font-size: 26px; border-width: 5px; }

.bar { height: 7px; background: var(--soft); border-radius: 6px; overflow: hidden; min-width: 80px; }
.bar > i { display: block; height: 100%; background: var(--accent); border-radius: 6px; }
.bar.good > i { background: var(--good); }

/* Modal */
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.35); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; overflow-y: auto; z-index: 50; }
.modal { background: var(--panel); border-radius: 14px; width: 100%; max-width: 680px; padding: 22px; box-shadow: 0 10px 40px rgba(0,0,0,.2); }
.modal.wide { max-width: 920px; }
.modal .mhead { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.modal .mfoot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

/* Toast */
#toasts { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast { background: var(--ink); color: var(--bg); padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow); max-width: 380px; }
.toast.err { background: var(--bad); color: #fff; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; flex-wrap: wrap; }
.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; padding: 8px 12px; color: var(--muted); }
.tabs button.on { color: var(--ink); border-bottom-color: var(--accent); }

/* Inbox */
.inbox { display: grid; grid-template-columns: 360px 1fr; gap: 0; height: calc(100vh - 150px); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.inbox .list { border-right: 1px solid var(--line); overflow-y: auto; }
.inbox .item { padding: 12px 14px; border-bottom: 1px solid var(--line); cursor: pointer; }
.inbox .item:hover { background: var(--soft); }
.inbox .item.on { background: var(--accent-soft); }
.inbox .item.unread .who { font-weight: 700; }
.inbox .item .who { display: flex; justify-content: space-between; gap: 8px; }
.inbox .item .subj { font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.inbox .item .snip { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.inbox .thread { overflow-y: auto; padding: 20px; display: flex; flex-direction: column; }
.msg { border: 1px solid var(--line); border-radius: 10px; padding: 14px; margin-bottom: 12px; }
.msg.out { background: var(--soft); margin-left: 40px; }
.msg .mh { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 8px; gap: 8px; flex-wrap: wrap; }
.msg .body { white-space: pre-wrap; word-break: break-word; }
.empty { text-align: center; color: var(--muted); padding: 50px 20px; }

/* Steps editor */
.step { border: 1px solid var(--line); border-radius: 10px; padding: 14px; background: var(--panel); }
.step .sh { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.step .num { width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-weight: 700; font-size: 12px; }
.delay { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; padding: 8px 0 8px 12px; border-left: 2px dashed var(--line); margin-left: 12px; }
.delay input { width: 90px; }
.vars { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.vars button { font-size: 11px; padding: 2px 8px; }
.days { display: flex; gap: 6px; flex-wrap: wrap; }
.days label { border: 1px solid var(--line); border-radius: 8px; padding: 5px 10px; cursor: pointer; user-select: none; }
.days label.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.days input { display: none; }

/* Chart */
.chart { width: 100%; height: 160px; }
.chart text { fill: var(--muted); font-size: 10px; }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); }
.legend span::before { content: ''; display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; background: var(--c); vertical-align: -1px; }

.factor { display: flex; align-items: flex-start; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.factor:last-child { border-bottom: 0; }
.factor .pts { margin-left: auto; font-weight: 600; white-space: nowrap; }
.hint { font-size: 12px; color: var(--warn); margin-top: 2px; }
.callout { background: var(--warn-soft); color: var(--warn); border-radius: 8px; padding: 10px 12px; font-size: 13px; }
.callout.info { background: var(--accent-soft); color: var(--accent); }
.preview { background: var(--soft); border-radius: 8px; padding: 14px; white-space: pre-wrap; font-size: 13px; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .card { width: 100%; max-width: 360px; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 10px 16px; }
  .brand { padding: 0 10px 0 0; }
  .nav { display: flex; flex-wrap: wrap; gap: 2px; }
  .side .foot { display: none; }
  .main { padding: 18px 16px 40px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr 1fr; }
  .inbox { grid-template-columns: 1fr; height: auto; }
  .inbox .list { max-height: 45vh; border-right: 0; border-bottom: 1px solid var(--line); }
}
@media (max-width: 560px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } .grid > * { grid-column: auto !important; } .head .actions { width: 100%; } }