:root {
  --bg: #f4f6f5;
  --card: #ffffff;
  --text: #17201c;
  --muted: #66736d;
  --line: #e2e7e4;
  --accent: #128c4a;
  --accent-ink: #ffffff;
  --accent-soft: #e3f4ea;
  --bubble-in: #ffffff;
  --bubble-out: #dcf6e3;
  --warn: #b45309;
  --warn-soft: #fdf1e2;
  --err: #b91c1c;
  --err-soft: #fdecec;
  --side: #0f1d17;
  --side-text: #cfdad4;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1412;
    --card: #161e1b;
    --text: #e6ece9;
    --muted: #93a19a;
    --line: #26312d;
    --accent: #2fbf71;
    --accent-ink: #06130c;
    --accent-soft: #173326;
    --bubble-in: #1d2723;
    --bubble-out: #1c3a2a;
    --warn: #f0a24a;
    --warn-soft: #33260f;
    --err: #f87171;
    --err-soft: #3a1a1a;
    --side: #0a100d;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
code { background: var(--accent-soft); padding: 1px 6px; border-radius: 5px; font-size: 13px; word-break: break-all; }
h1 { font-size: 22px; margin: 0 0 16px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
h2 { font-size: 15px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 0 0 8px; }
.mt { margin-top: 22px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.pad { padding: 16px; }
.right { float: right; }
.pre-line { white-space: pre-line; }
.pre { white-space: pre-wrap; font: inherit; background: var(--bg); padding: 12px; border-radius: 8px; }
[hidden] { display: none !important; }

/* shell */
.shell { display: flex; min-height: 100vh; }
.side { width: 220px; background: var(--side); color: var(--side-text); display: flex; flex-direction: column; padding: 18px 12px; position: sticky; top: 0; height: 100vh; flex-shrink: 0; }
.brand { font-weight: 700; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 0 8px 18px; color: #fff; }
.brand small { width: 100%; font-weight: 400; color: var(--side-text); opacity: .7; font-size: 12px; padding-left: 18px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #25d366; box-shadow: 0 0 0 4px rgba(37, 211, 102, .2); }
.side nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.side nav a { color: var(--side-text); padding: 9px 12px; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; }
.side nav a:hover { background: rgba(255, 255, 255, .06); }
.side nav a.on { background: rgba(37, 211, 102, .16); color: #fff; }
.side-foot { display: flex; justify-content: space-between; align-items: center; padding: 8px; font-size: 13px; }
.side-foot a { color: var(--side-text); }
.badge { background: #f59e0b; color: #1b1300; border-radius: 99px; font-size: 12px; padding: 0 7px; font-weight: 700; }
.main { flex: 1; padding: 28px; min-width: 0; max-width: 1400px; }

/* cards & layout */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.card.flush { padding: 0; overflow: hidden; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.head h1 { margin: 0; }
.back { color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat b { display: block; font-size: 24px; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: 13px; }
.stat.warn b { color: var(--warn); }
.setup { border-color: var(--warn); background: var(--warn-soft); }
.setup ol { margin: 0; padding-left: 20px; }

/* forms */
.form label, .form .check { display: block; margin-bottom: 12px; font-size: 13px; font-weight: 600; }
input, select, textarea { width: 100%; font: inherit; color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; margin-top: 4px; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input[type=checkbox], input[type=radio] { width: auto; margin: 0 6px 0 0; accent-color: var(--accent); }
.check { font-weight: 400 !important; display: flex !important; align-items: center; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.checks { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-bottom: 10px; }
.seg { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; margin-bottom: 14px; }
.seg label { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; cursor: pointer; margin: 0; font-weight: 400; }
.seg label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.seg small { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.filters input, .filters select { width: auto; margin: 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 600; font-size: 14px; padding: 9px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .6; cursor: wait; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger { color: var(--err); }
.btn.link { border: none; background: none; padding: 4px 0; font-weight: 400; }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btn.wide { width: 100%; }
.row-actions { display: flex; gap: 8px; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-top: 8px; }
.flash { padding: 11px 14px; border-radius: 10px; margin-bottom: 16px; background: var(--accent-soft); }
.flash.err { background: var(--err-soft); color: var(--err); }
.err-text { color: var(--err); font-size: 13px; }

/* pills */
.pill { display: inline-block; font-size: 11.5px; font-weight: 600; padding: 1px 8px; border-radius: 99px; background: var(--line); color: var(--text); vertical-align: middle; text-transform: capitalize; }
.pill.green, .stage-customer.pill, .st-done, .st-approved, .st-read, .st-delivered { background: var(--accent-soft); color: var(--accent); }
.pill.warn, .stage-qualified.pill, .st-scheduled, .st-pending, .st-queued, .st-sending { background: var(--warn-soft); color: var(--warn); }
.st-failed, .st-rejected, .st-cancelled, .stage-lost.pill { background: var(--err-soft); color: var(--err); }
.pill.grey { opacity: .75; }

/* tables */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl.compact td, .tbl.compact th { padding: 7px 10px; }
.tbl tr.click { cursor: pointer; }
.tbl tr.click:hover td { background: var(--accent-soft); }
.tbl tr.faded { opacity: .5; }
.clip-cell { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scroll-x { overflow-x: auto; }
.score { width: 50px; height: 5px; background: var(--line); border-radius: 3px; display: inline-block; margin-right: 6px; vertical-align: middle; overflow: hidden; }
.score i { display: block; height: 100%; background: var(--accent); }
.bar-row { display: grid; grid-template-columns: 90px 1fr 40px; gap: 10px; align-items: center; margin-bottom: 8px; font-size: 14px; }
.bar { height: 10px; background: var(--bg); border-radius: 5px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); border-radius: 5px; }
.bar-row b { text-align: right; font-variant-numeric: tabular-nums; }

/* conversations */
.convo { display: block; color: var(--text); padding: 10px 0; border-bottom: 1px solid var(--line); }
.convo:last-child { border-bottom: 0; }
.convo.row { display: flex; gap: 12px; align-items: center; padding: 12px 16px; }
.convo.row:hover { background: var(--accent-soft); }
.grow { flex: 1; min-width: 0; }
.clip { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 13.5px; }
.avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-weight: 700; flex-shrink: 0; }

.chat-layout { display: grid; grid-template-columns: 1fr 340px; gap: 16px; align-items: start; }
.thread-card { padding: 0; display: flex; flex-direction: column; height: calc(100vh - 120px); min-height: 420px; }
.thread { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 8px; background: var(--bg); border-radius: var(--radius) var(--radius) 0 0; }
.msg { max-width: 75%; padding: 8px 12px 6px; border-radius: 12px; background: var(--bubble-in); border: 1px solid var(--line); font-size: 14.5px; overflow-wrap: anywhere; }
.msg.out { align-self: flex-end; background: var(--bubble-out); border-color: transparent; }
.msg.out.campaign { background: var(--warn-soft); }
.msg .who { font-size: 11px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .04em; }
.msg.campaign .who { color: var(--warn); }
.msg .mtype { font-size: 12px; color: var(--muted); }
.msg .meta { font-size: 11px; color: var(--muted); text-align: right; margin-top: 2px; }
.tick.read { color: #34b7f1; }
.tick.failed { color: var(--err); }
.composer { padding: 12px; border-top: 1px solid var(--line); }
.composer textarea { margin: 0; resize: vertical; }
.composer.closed { font-size: 14px; }
.tpl-send { display: grid; gap: 8px; }
.tpl-preview { white-space: pre-line; font-size: 13px; background: var(--bg); border-radius: 8px; padding: 8px 10px; margin-bottom: 10px; }
.tpl-preview:empty { display: none; }
.lead-panel { position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow-y: auto; }
.task { background: var(--warn-soft); border-radius: 8px; padding: 8px 10px; margin-bottom: 10px; font-size: 13.5px; }
.task .btn { margin-top: 6px; }

/* campaigns / AI */
.variant { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin-top: 10px; font-size: 14px; }
.variant .btn { margin-top: 8px; }
.audience-count { background: var(--accent-soft); border-radius: 8px; padding: 10px 12px; font-size: 14px; }
.ai-inline { background: var(--accent-soft); border-radius: 10px; padding: 12px; margin-bottom: 14px; display: grid; gap: 8px; }
.ai-inline textarea { margin: 0; }
.bubble-out { background: var(--bubble-out); border-radius: 10px; padding: 10px 12px; margin-top: 10px; white-space: pre-wrap; }

/* links */
.link-card { display: flex; gap: 16px; align-items: flex-start; }
.qr { background: #fff; padding: 6px; border-radius: 8px; flex-shrink: 0; }
.qr img, .qr canvas { display: block; }
.link-card input { font-size: 12.5px; }

/* login */
.login-page { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login { width: 100%; max-width: 360px; }
.login .brand { color: var(--text); padding: 0 0 8px; }
.login label { display: block; margin-bottom: 12px; font-weight: 600; font-size: 13px; }

@media (max-width: 1000px) {
  .grid2, .chat-layout { grid-template-columns: 1fr; }
  .lead-panel { position: static; max-height: none; }
}
@media (max-width: 760px) {
  .shell { flex-direction: column; }
  .side { width: 100%; height: auto; position: static; padding: 12px 16px; }
  .side nav { flex-direction: row; overflow-x: auto; }
  .side nav a { white-space: nowrap; }
  .brand { padding-bottom: 10px; }
  .side-foot { display: none; }
  .main { padding: 16px; }
  .msg { max-width: 90%; }
  .thread-card { height: 70vh; }
  .two { grid-template-columns: 1fr; }
  .link-card { flex-direction: column; }
}