:root {
  --bg: #f4f5f2; --panel: #ffffff; --ink: #18201c; --muted: #66706a; --line: #e3e6e1;
  --accent: #0f7a5c; --accent-ink: #ffffff; --accent-soft: #e2f2ec;
  --warn: #a35d00; --warn-soft: #fff3df; --bad: #b3261e; --bad-soft: #fde8e6; --info-soft: #e9eef8;
  --side: #10251d; --side-ink: #cfe0d8; --side-active: #1d3d31;
  --radius: 10px; --shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.04);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1412; --panel: #171e1b; --ink: #e6ece9; --muted: #95a39c; --line: #26302c;
    --accent: #2fb38a; --accent-ink: #062018; --accent-soft: #163a2e;
    --warn: #f0b35c; --warn-soft: #3a2a12; --bad: #ff8a80; --bad-soft: #3d1a17; --info-soft: #1b2433;
    --side: #0a100d; --side-ink: #b6c8bf; --side-active: #17302a;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 14px; line-height: 1.45; }
.hidden { display: none !important; }
a { color: var(--accent); }
h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -.01em; }
h2 { font-size: 15px; margin: 0 0 12px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.err { color: var(--bad); min-height: 1em; margin: 6px 0 0; }
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }

/* layout */
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.side { background: var(--side); color: var(--side-ink); display: flex; flex-direction: column; padding: 18px 12px; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; padding: 4px 8px 18px; color: #fff; }
.brand.big { color: var(--ink); font-size: 22px; padding: 0 0 6px; }
.logo { width: 26px; height: 26px; border-radius: 7px; background: var(--accent); position: relative; flex: none; }
.logo::after { content: ""; position: absolute; inset: 7px 6px 6px 7px; border-radius: 50% 50% 50% 2px; background: #fff; }
nav a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--side-ink); text-decoration: none; margin-bottom: 2px; }
nav a:hover { background: rgba(255,255,255,.05); }
nav a.active { background: var(--side-active); color: #fff; font-weight: 600; }
.side-foot { margin-top: auto; display: grid; gap: 10px; }
.usage { font-size: 12px; padding: 10px; border-radius: 8px; background: rgba(255,255,255,.04); }
.usage .bar { margin-top: 6px; }
main { padding: 28px 32px 60px; max-width: 1180px; width: 100%; }
.head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }

/* panels */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); margin-bottom: 16px; }
.grid { display: grid; gap: 16px; }
.g4 { grid-template-columns: repeat(4, 1fr); } .g2 { grid-template-columns: 1fr 1fr; } .g3 { grid-template-columns: repeat(3, 1fr); }
.stat .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.stat .v { font-size: 26px; font-weight: 700; margin-top: 4px; font-variant-numeric: tabular-nums; }
.stat .s { color: var(--muted); font-size: 12px; }

/* controls */
.btn { text-decoration: none; display: inline-block; border: 1px solid var(--line); background: var(--panel); color: var(--ink); padding: 8px 14px; border-radius: 8px; font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { color: var(--bad); }
.btn.ghost { background: transparent; color: inherit; border-color: rgba(127,127,127,.3); }
.btn.small { padding: 5px 10px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
input, select, textarea { font: inherit; color: inherit; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
input[type=checkbox] { width: auto; accent-color: var(--accent); }
label.f { display: grid; gap: 5px; font-weight: 600; font-size: 13px; }
label.f .hint { font-weight: 400; color: var(--muted); font-size: 12px; }
.check { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); border-radius: 999px; padding: 4px 10px; cursor: pointer; font-size: 12.5px; user-select: none; background: var(--panel); }
.chip.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }

/* tables */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tr.click { cursor: pointer; } .tbl tr.click:hover td { background: var(--accent-soft); }
.scroll { overflow-x: auto; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 700; text-transform: capitalize; background: var(--info-soft); }
.badge.running, .badge.approved, .badge.read, .badge.delivered, .badge.in { background: var(--accent-soft); color: var(--accent); }
.badge.paused, .badge.pending, .badge.queued, .badge.draft { background: var(--warn-soft); color: var(--warn); }
.badge.failed, .badge.rejected, .badge.cancelled, .badge.out { background: var(--bad-soft); color: var(--bad); }
.tag { display: inline-block; font-size: 11.5px; padding: 1px 7px; border-radius: 5px; background: var(--info-soft); margin: 1px 2px 1px 0; }
.bar { height: 6px; background: var(--line); border-radius: 99px; overflow: hidden; display: flex; }
.bar i { display: block; height: 100%; }
.bar .s1 { background: var(--accent); } .bar .s2 { background: color-mix(in srgb, var(--accent) 55%, transparent); } .bar .s3 { background: var(--bad); }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--muted); margin-top: 6px; flex-wrap: wrap; }
.legend b { color: var(--ink); }

.note { padding: 10px 12px; border-radius: 8px; background: var(--info-soft); font-size: 13px; margin-bottom: 12px; }
.note.warn { background: var(--warn-soft); color: var(--warn); }
.note.bad { background: var(--bad-soft); color: var(--bad); }
.note.ok { background: var(--accent-soft); color: var(--accent); }

/* template preview bubble */
.bubble { background: var(--accent-soft); border-radius: 10px 10px 10px 2px; padding: 10px 12px; white-space: pre-wrap; font-size: 13.5px; max-width: 520px; }
.bubble .hd { font-weight: 700; margin-bottom: 4px; }
.bubble .ft { color: var(--muted); font-size: 12px; margin-top: 6px; }
.bubble .bt { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 6px; }
.bubble .bt span { font-size: 12px; border: 1px solid var(--accent); color: var(--accent); border-radius: 6px; padding: 2px 8px; }
.tpl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }

.map-row { display: grid; grid-template-columns: 110px 1.3fr 1fr; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.map-row:last-child { border-bottom: 0; }

/* inbox */
.inbox { display: grid; grid-template-columns: 300px 1fr; height: calc(100vh - 140px); min-height: 420px; padding: 0; overflow: hidden; }
.convs { border-right: 1px solid var(--line); overflow-y: auto; }
.conv { padding: 12px 14px; border-bottom: 1px solid var(--line); cursor: pointer; }
.conv:hover { background: var(--bg); } .conv.on { background: var(--accent-soft); }
.conv .n { font-weight: 600; display: flex; justify-content: space-between; gap: 6px; }
.conv .p { color: var(--muted); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.thread { display: flex; flex-direction: column; min-width: 0; }
.thread-head { padding: 12px 16px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.msgs { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 8px; background: var(--bg); }
.m { max-width: 70%; padding: 8px 11px; border-radius: 10px; white-space: pre-wrap; word-wrap: break-word; font-size: 13.5px; }
.m.in { align-self: flex-start; background: var(--panel); border: 1px solid var(--line); border-bottom-left-radius: 2px; }
.m.out { align-self: flex-end; background: var(--accent-soft); border-bottom-right-radius: 2px; }
.m .t { font-size: 11px; color: var(--muted); margin-top: 3px; text-align: right; }
.composer { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }
.composer textarea { resize: none; height: 42px; }

/* modal + toast */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: grid; place-items: center; z-index: 50; padding: 16px; }
.modal-card { background: var(--panel); border-radius: 12px; padding: 22px; width: min(760px, 100%); max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 8px; z-index: 60; font-weight: 600; max-width: 90vw; }
.toast.bad { background: var(--bad); color: #fff; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 30px; width: min(360px, 100%); display: grid; gap: 12px; box-shadow: var(--shadow); }

.empty { text-align: center; padding: 40px 16px; color: var(--muted); }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 12px; }

@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 6px; padding: 10px 16px; }
  .brand { padding: 0 8px 0 0; }
  nav { display: flex; flex-wrap: wrap; gap: 2px; }
  nav a { padding: 6px 10px; margin: 0; }
  .side-foot { margin: 0 0 0 auto; display: flex; align-items: center; }
  .usage { display: none; }
  main { padding: 18px 16px 50px; }
  .g4 { grid-template-columns: 1fr 1fr; } .g2, .g3 { grid-template-columns: 1fr; }
  .map-row { grid-template-columns: 1fr; }
  .inbox { grid-template-columns: 1fr; height: auto; }
  .convs { max-height: 240px; border-right: 0; border-bottom: 1px solid var(--line); }
  .msgs { min-height: 300px; }
}