/* Branding Bells – app styles. Layout: fixed ink sidebar + fluid workspace; inbox uses a three-pane grid. */
:root {
  --bg: #f3f5f6; --surface: #ffffff; --surface-2: #f8fafa; --ink: #15212a; --muted: #5d6b74; --line: #dfe5e8;
  --side: #14232c; --side-ink: #c9d6dc; --side-on: #ffffff;
  --brass: #b9852b; --brass-ink: #ffffff; --brass-soft: #f6ecd9;
  --accent: #127a66; --accent-soft: #e1f2ed;
  --ok: #127a52; --ok-bg: #e2f4ea; --warn: #9a5b00; --warn-bg: #fcf0d9; --bad: #b42318; --bad-bg: #fde8e6; --info: #1d5fa8; --info-bg: #e5eefa;
  --chat: #ece5dd; --bub-in: #ffffff; --bub-out: #d9fdd3; --bub-note: #fff6d6;
  --display: "Sora", "Segoe UI", system-ui, sans-serif;
  --body: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --r: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f171c; --surface: #162229; --surface-2: #1b2a32; --ink: #e4ecef; --muted: #98a8b0; --line: #2a3a43;
    --side: #0a1216; --side-ink: #a9bac2; --side-on: #ffffff;
    --brass: #d9a54a; --brass-ink: #1b1305; --brass-soft: #3a2d14;
    --accent: #43c2a2; --accent-soft: #143a32;
    --ok: #5fd39a; --ok-bg: #133325; --warn: #f2b955; --warn-bg: #3a2b10; --bad: #ff8b7d; --bad-bg: #3d1915; --info: #82b4f0; --info-bg: #15283d;
    --chat: #0b141a; --bub-in: #202c33; --bub-out: #005c4b; --bub-note: #3b3415;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.5 var(--body); }
a { color: var(--accent); }
h1 { font: 700 24px/1.2 var(--display); margin: 0 0 4px; letter-spacing: -.01em; text-wrap: balance; }
h2 { font: 700 17px/1.3 var(--display); margin: 0 0 10px; }
h3 { font: 600 15px/1.3 var(--body); margin: 0 0 6px; }
.sub { color: var(--muted); margin: 0 0 18px; max-width: 70ch; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.ic { flex: none; }
:focus-visible { outline: 2px solid var(--brass); outline-offset: 2px; }

/* shell */
.app { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: 100vh; }
.side { background: var(--side); color: var(--side-ink); padding: 18px 12px; display: flex; flex-direction: column; gap: 6px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: 9px; color: var(--side-on); text-decoration: none; font: 700 17px var(--display); padding: 4px 8px 12px; }
.brand .ic { color: var(--brass); }
.ws-switch select, .ws-name { width: 100%; background: rgba(255,255,255,.06); color: var(--side-on); border: 1px solid rgba(255,255,255,.12); border-radius: 8px; padding: 8px 10px; font: 600 14px var(--body); margin-bottom: 8px; }
.ws-switch option { color: #111; }
.side nav { display: grid; gap: 2px; }
.side nav a { display: flex; align-items: center; gap: 10px; color: var(--side-ink); text-decoration: none; padding: 8px 10px; border-radius: 8px; font-weight: 500; }
.side nav a:hover { background: rgba(255,255,255,.06); color: var(--side-on); }
.side nav a.on { background: rgba(217,165,74,.16); color: var(--side-on); }
.side nav a.on .ic { color: var(--brass); }
.nav-h { font: 500 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #6f838d; margin: 14px 10px 4px; }
.me { margin-top: auto; padding: 12px 10px 0; border-top: 1px solid rgba(255,255,255,.08); display: grid; gap: 4px; font-size: 13px; }
.me span { color: var(--side-on); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.me a, .linklike { color: var(--side-ink); background: none; border: 0; padding: 0; font: inherit; cursor: pointer; text-align: left; text-decoration: none; }
.me a:hover, .linklike:hover { color: var(--side-on); }
.main { padding: 24px 28px 60px; min-width: 0; max-width: 1240px; }
body.wide .main { max-width: none; }
.menu-btn { display: none; }
@media (max-width: 900px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .side { position: fixed; z-index: 30; left: 0; width: 248px; transform: translateX(-100%); transition: transform .2s; }
  .side.open { transform: none; box-shadow: 0 0 0 100vmax rgba(0,0,0,.35); }
  .menu-btn { display: inline-block; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 4px 10px; font-size: 18px; margin-bottom: 12px; color: var(--ink); }
  .main { padding: 16px 16px 60px; }
}

/* building blocks */
.head { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: flex-end; justify-content: space-between; margin-bottom: 18px; }
.head .sub { margin: 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 18px; min-width: 0; }
.stack { display: grid; gap: 16px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; align-items: start; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; }
.kpi .n { font: 700 26px/1.15 var(--display); font-variant-numeric: tabular-nums; }
.kpi .l { color: var(--muted); font-size: 13px; }
.kpi.alert { border-color: var(--warn); background: var(--warn-bg); }
.tbl { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 500 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); background: var(--surface-2); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); font-size: 13px; }
.mono { font-family: var(--mono); font-size: 13px; }
.pill { display: inline-block; padding: 1px 9px; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; background: var(--surface-2); color: var(--muted); border: 1px solid var(--line); }
.p-confirmed, .p-approved, .p-active, .p-done, .p-delivered, .p-read, .p-completed, .p-paid, .p-subscribed, .p-open { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.p-on_the_way, .p-pending, .p-sending, .p-queued, .p-paused, .p-in_review, .p-needs-human, .p-trial, .p-draft { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.p-cancelled, .p-rejected, .p-failed, .p-suspended, .p-expired, .p-unsubscribed { background: var(--bad-bg); color: var(--bad); border-color: transparent; }
.p-sent, .p-resolved, .p-utility, .p-agent { background: var(--info-bg); color: var(--info); border-color: transparent; }
.p-marketing, .p-owner { background: var(--brass-soft); color: var(--brass); border-color: transparent; }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-weight: 500; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.err { background: var(--bad-bg); color: var(--bad); }
.flash.warn { background: var(--warn-bg); color: var(--warn); }
.secret { font-family: var(--mono); background: var(--surface-2); border: 1px dashed var(--brass); padding: 2px 8px; border-radius: 6px; user-select: all; }

/* forms */
label { display: grid; gap: 4px; font-weight: 600; font-size: 13.5px; }
label .hint, .hint { font-weight: 400; color: var(--muted); font-size: 12.5px; }
input, select, textarea { font: 15px var(--body); color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; min-width: 0; }
input[type=checkbox], input[type=radio] { width: auto; }
textarea { resize: vertical; min-height: 80px; }
.form { display: grid; gap: 14px; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; align-items: end; }
.check { display: flex; gap: 8px; align-items: center; font-weight: 500; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid transparent; background: var(--accent); color: #fff; font: 600 14px var(--body); padding: 8px 14px; border-radius: 8px; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { filter: brightness(1.06); }
.btn.brass { background: var(--brass); color: var(--brass-ink); }
.btn.ghost { background: transparent; color: var(--accent); border-color: var(--line); }
.btn.danger { background: var(--bad); }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
form.inline { display: inline-flex; gap: 6px; align-items: center; flex-wrap: wrap; margin: 0; }
form.inline select, form.inline input { width: auto; padding: 5px 8px; font-size: 14px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.toolbar input, .toolbar select { width: auto; }
.empty { text-align: center; padding: 36px 16px; color: var(--muted); }
.empty b { display: block; color: var(--ink); font: 600 16px var(--display); margin-bottom: 4px; }
details.card summary { cursor: pointer; font-weight: 600; }
details.card[open] summary { margin-bottom: 12px; }
.code { font-family: var(--mono); font-size: 13px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; overflow-x: auto; white-space: pre-wrap; word-break: break-all; }

/* login */
body.bare { display: grid; place-items: center; min-height: 100vh; padding: 16px; background: var(--side); }
.login { width: min(400px, 100%); background: var(--surface); border-radius: 14px; padding: 28px; display: grid; gap: 16px; }
.login .brand { color: var(--ink); padding: 0; }

/* WhatsApp bubbles (inbox, preview, bot tester) */
.chat { background: var(--chat); padding: 14px; display: flex; flex-direction: column; gap: 6px; overflow-y: auto; }
.bub { max-width: min(78%, 520px); padding: 7px 10px 5px; border-radius: 9px; font-size: 14.5px; line-height: 1.42; white-space: pre-wrap; overflow-wrap: anywhere; box-shadow: 0 1px .5px rgba(0,0,0,.13); background: var(--bub-in); color: var(--ink); align-self: flex-start; }
.bub.out { background: var(--bub-out); align-self: flex-end; }
.bub.note { background: var(--bub-note); align-self: center; font-size: 13px; max-width: 90%; }
.bub .meta { display: block; text-align: right; font-size: 11px; color: var(--muted); margin-top: 2px; }
.bub .opts { display: grid; gap: 2px; margin-top: 6px; border-top: 1px solid rgba(127,127,127,.25); padding-top: 4px; }
.bub .opts button { background: none; border: 0; color: var(--accent); font: 600 14px var(--body); padding: 5px; border-radius: 6px; cursor: pointer; }
.bub .opts button:hover { background: rgba(127,127,127,.12); }
.bub .opts span { color: var(--accent); font-weight: 600; text-align: center; font-size: 13.5px; padding: 3px; }

/* inbox */
.inbox { display: grid; grid-template-columns: 300px minmax(0, 1fr) 290px; height: calc(100vh - 48px); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; background: var(--surface); }
.inbox .col { min-width: 0; min-height: 0; overflow: hidden; display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.inbox .col:last-child { border-right: 0; }
.ib-filters { display: flex; gap: 4px; padding: 10px; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
.ib-filters button { border: 1px solid var(--line); background: var(--surface); color: var(--muted); border-radius: 99px; padding: 3px 10px; font: 600 12.5px var(--body); cursor: pointer; }
.ib-filters button.on { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.ib-search { padding: 0 10px 10px; border-bottom: 1px solid var(--line); }
.ib-list { overflow-y: auto; flex: 1; }
.conv { display: grid; grid-template-columns: 38px minmax(0,1fr) auto; gap: 10px; padding: 10px 12px; border-bottom: 1px solid var(--line); cursor: pointer; align-items: center; }
.conv:hover, .conv.on { background: var(--surface-2); }
.conv .av, .av { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; font: 700 15px var(--display); color: #fff; background: var(--accent); }
.conv .t { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv .p { color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv .r { display: grid; justify-items: end; gap: 3px; font-size: 11.5px; color: var(--muted); }
.badge { background: var(--accent); color: #fff; border-radius: 99px; min-width: 20px; padding: 0 6px; font-size: 11.5px; font-weight: 700; text-align: center; }
.th-head { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.th-head .t { font-weight: 700; }
.th-head .actions { margin-left: auto; }
.th-head .actions select { width: auto; max-width: 190px; padding: 5px 8px; font-size: 14px; }
.thread { flex: 1; min-height: 0; }
.composer { border-top: 1px solid var(--line); padding: 10px; display: grid; gap: 8px; }
.composer textarea { min-height: 44px; max-height: 160px; }
.composer .bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.window-note { font-size: 12.5px; color: var(--warn); background: var(--warn-bg); padding: 6px 10px; border-radius: 6px; }
.side-panel { overflow-y: auto; padding: 14px; display: grid; gap: 16px; align-content: start; }
.side-panel h3 { font: 500 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.note-item { background: var(--bub-note); border-radius: 8px; padding: 8px 10px; font-size: 13.5px; }
@media (max-width: 1100px) { .inbox { grid-template-columns: 260px minmax(0,1fr); } .inbox .col.info { display: none; } }
@media (max-width: 760px) {
  .inbox { grid-template-columns: minmax(0,1fr); height: calc(100vh - 90px); }
  .inbox.has-thread .col.list { display: none; }
  .inbox:not(.has-thread) .col.thread-col { display: none; }
}

/* bot builder */
.builder { display: grid; grid-template-columns: 250px minmax(0, 1fr) 340px; gap: 14px; align-items: start; }
.node-list { display: grid; gap: 6px; }
.node-list button { display: grid; gap: 1px; text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; cursor: pointer; color: var(--ink); font: 500 14px var(--body); }
.node-list button.on { border-color: var(--brass); box-shadow: 0 0 0 1px var(--brass); }
.node-list .k { font: 500 11px var(--mono); color: var(--muted); }
.opt-row { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,1.3fr) minmax(0,1fr) auto; gap: 6px; align-items: center; }
.tester { position: sticky; top: 16px; display: flex; flex-direction: column; height: calc(100vh - 120px); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.tester .chat { flex: 1; }
.tester form { display: flex; gap: 6px; padding: 8px; background: var(--surface); border-top: 1px solid var(--line); }
.flowmap { display: flex; flex-wrap: wrap; gap: 6px; font-size: 13px; }
.flowmap span { background: var(--surface-2); border: 1px solid var(--line); border-radius: 6px; padding: 2px 8px; }
@media (max-width: 1200px) { .builder { grid-template-columns: 220px minmax(0,1fr); } .tester { grid-column: 1 / -1; position: static; height: 520px; } }
@media (max-width: 720px) { .builder { grid-template-columns: minmax(0,1fr); } .opt-row { grid-template-columns: minmax(0,1fr); } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }