:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --ink: #17202a;
  --muted: #667085;
  --line: #e4e7ec;
  --accent: #0f6b5c;
  --accent-ink: #ffffff;
  --accent-soft: #e5f2ef;
  --warn: #b54708;
  --warn-soft: #fef0c7;
  --danger: #b42318;
  --danger-soft: #fee4e2;
  --info-soft: #eaf1fb;
  --bubble-in: #ffffff;
  --bubble-out: #dcf3ec;
  --bubble-human: #e7ecfb;
  --chat-bg: #eef0ec;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1418; --panel: #172026; --ink: #e6ebef; --muted: #93a1ad; --line: #26323b;
    --accent: #3fb59d; --accent-ink: #062019; --accent-soft: #15322c; --warn: #f5b546; --warn-soft: #3a2c10;
    --danger: #f97066; --danger-soft: #3d1715; --info-soft: #172a3d;
    --bubble-in: #1f2b33; --bubble-out: #183a32; --bubble-human: #1e2a45; --chat-bg: #11191e;
    --shadow: 0 1px 3px rgba(0, 0, 0, .4);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font-family: Inter, system-ui, sans-serif; background: var(--bg); color: var(--ink); font-size: 14px; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: var(--danger); min-height: 1em; }
h1 { font-size: 20px; margin: 0; }
h2 { font-size: 17px; margin: 0; }
input, select, textarea {
  font: inherit; color: inherit; background: var(--panel); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 10px; width: 100%;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: 8px; }
label.check input { width: auto; }
.btn {
  font: inherit; font-weight: 500; border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  border-radius: 8px; padding: 8px 14px; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn:disabled { opacity: .6; cursor: default; }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; font: inherit; }
.icon { background: none; border: 0; font-size: 18px; cursor: pointer; color: var(--muted); }
.row { display: flex; align-items: center; }
.row.between { justify-content: space-between; }
.row.gap { gap: 8px; }

/* Login */
.login { min-height: 100%; display: grid; place-items: center; padding: 16px; }
.login-card { background: var(--panel); padding: 32px; border-radius: 14px; box-shadow: var(--shadow); width: min(380px, 100%); display: flex; flex-direction: column; gap: 14px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; }
.logo { color: var(--accent); }

/* Layout */
.app { display: flex; height: 100vh; }
.sidebar { width: 200px; background: var(--panel); border-right: 1px solid var(--line); padding: 18px 12px; display: flex; flex-direction: column; gap: 22px; flex-shrink: 0; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.nav { white-space: nowrap; text-align: left; background: none; border: 0; padding: 9px 12px; border-radius: 8px; font: inherit; color: var(--ink); cursor: pointer; }
.nav:hover { background: var(--bg); }
.nav.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.sidebar-foot { margin-top: auto; display: flex; flex-direction: column; align-items: flex-start; gap: 6px; padding: 0 12px; }
.main { flex: 1; overflow: auto; padding: 20px 24px; min-width: 0; }
.view { display: flex; flex-direction: column; gap: 14px; min-height: 100%; }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.toolbar-right { display: flex; gap: 8px; flex-wrap: wrap; }
.toolbar-right input[type=search] { width: 260px; }
.toolbar-right select { width: auto; }

/* Kanban */
.board { display: flex; gap: 12px; overflow-x: auto; flex: 1; padding-bottom: 8px; align-items: stretch; }
.column { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); width: 272px; flex-shrink: 0; display: flex; flex-direction: column; max-height: calc(100vh - 120px); }
.column.drop { outline: 2px dashed var(--accent); }
.column-head { padding: 12px 14px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.column-head strong { font-size: 13px; }
.column-head .sum { font-size: 12px; color: var(--muted); }
.column-body { padding: 10px; display: flex; flex-direction: column; gap: 8px; overflow-y: auto; flex: 1; }
.card-lead { background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 10px 11px; cursor: pointer; display: flex; flex-direction: column; gap: 6px; }
.card-lead:hover { border-color: var(--accent); }
.card-lead.attn { border-color: var(--warn); background: var(--warn-soft); }
.card-top { display: flex; justify-content: space-between; gap: 6px; align-items: baseline; }
.card-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-time { font-size: 11px; color: var(--muted); white-space: nowrap; }
.card-msg { font-size: 12px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tags { display: flex; gap: 4px; flex-wrap: wrap; }
.tag { font-size: 10.5px; padding: 2px 7px; border-radius: 99px; background: var(--panel); border: 1px solid var(--line); color: var(--muted); }
.tag.ai { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.tag.human { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.tag.ad { background: var(--info-soft); border-color: transparent; }
.tag.money { color: var(--ink); font-weight: 600; }
.badge { background: var(--accent); color: var(--accent-ink); border-radius: 99px; font-size: 10px; padding: 1px 6px; font-weight: 700; }
.empty { color: var(--muted); font-size: 12px; text-align: center; padding: 16px 4px; }

/* Drawer */
.backdrop { position: fixed; inset: 0; background: rgba(0, 0, 0, .25); z-index: 20; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(980px, 100%); background: var(--panel); z-index: 21; display: flex; flex-direction: column; box-shadow: -8px 0 24px rgba(0, 0, 0, .12); }
.drawer-head { display: flex; justify-content: space-between; align-items: flex-start; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.drawer-body { display: flex; flex: 1; min-height: 0; }
.drawer-chat { flex: 1; display: flex; flex-direction: column; min-width: 0; border-right: 1px solid var(--line); }
.drawer-side { width: 310px; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 12px; background: var(--bg); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.banner { margin: 10px 12px 0; padding: 10px 12px; border-radius: 8px; background: var(--warn-soft); color: var(--warn); font-size: 13px; display: flex; justify-content: space-between; gap: 10px; align-items: center; }

/* Chat */
.chat { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 6px; background: var(--chat-bg); }
.msg { max-width: 76%; padding: 8px 11px; border-radius: 10px; white-space: pre-wrap; word-wrap: break-word; line-height: 1.42; box-shadow: var(--shadow); }
.msg.in { background: var(--bubble-in); align-self: flex-start; border-top-left-radius: 2px; }
.msg.out { background: var(--bubble-out); align-self: flex-end; border-top-right-radius: 2px; }
.msg.out.humano { background: var(--bubble-human); }
.msg .meta { font-size: 10.5px; color: var(--muted); margin-top: 4px; text-align: right; }
.msg img { max-width: 240px; border-radius: 6px; display: block; margin-bottom: 4px; }
.note { align-self: center; font-size: 11.5px; color: var(--muted); background: var(--panel); border: 1px dashed var(--line); border-radius: 99px; padding: 4px 12px; max-width: 90%; text-align: center; }
.composer { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--line); background: var(--panel); align-items: flex-end; }
.order { border-top: 1px solid var(--line); padding-top: 8px; font-size: 12.5px; display: flex; flex-direction: column; gap: 4px; }
.order:first-of-type { border-top: 0; padding-top: 0; }
.order a { color: var(--accent); word-break: break-all; }

/* Indicadores */
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.stat .label { font-size: 12px; color: var(--muted); }
.stat .value { font-size: 26px; font-weight: 700; margin-top: 6px; font-variant-numeric: tabular-nums; }

/* Catálogo */
.catalog { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.product { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.product img { width: 100%; aspect-ratio: 1; object-fit: cover; background: var(--bg); }
.product .info { padding: 10px; display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; }

/* Configurações */
.settings { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; max-width: 1100px; }
.settings .full { grid-column: 1 / -1; }
.settings textarea { min-height: 110px; font-size: 13px; line-height: 1.45; }
.settings .hint { font-size: 11.5px; color: var(--muted); }

/* Simulador */
.simulator { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; max-width: 760px; height: calc(100vh - 190px); background: var(--panel); }
.sim-controls { display: flex; gap: 10px; padding: 10px 12px; border-bottom: 1px solid var(--line); align-items: flex-end; flex-wrap: wrap; }
.sim-controls label { width: 160px; }
.typing { align-self: flex-start; font-size: 12px; color: var(--muted); font-style: italic; }

/* Integrações */
.integrations { display: grid; gap: 10px; max-width: 820px; }
.integration { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.ok { color: var(--accent); font-weight: 600; }
.off { color: var(--warn); font-weight: 600; }
code { background: var(--bg); padding: 2px 6px; border-radius: 5px; font-size: 12px; word-break: break-all; }

.toasts { position: fixed; bottom: 16px; right: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 40; }
.toast { background: var(--ink); color: var(--panel); padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow); max-width: 340px; font-size: 13px; cursor: pointer; }

@media (max-width: 860px) {
  .app { flex-direction: column; height: auto; min-height: 100vh; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; padding: 10px 16px; gap: 10px; overflow-x: auto; }
  .sidebar nav { flex-direction: row; }
  .sidebar-foot { display: none; }
  .main { padding: 14px 16px; }
  .drawer-body { flex-direction: column; overflow-y: auto; }
  .drawer-chat { min-height: 70vh; border-right: 0; }
  .drawer-side { width: 100%; }
  .settings { grid-template-columns: 1fr; }
  .toolbar-right input[type=search] { width: 100%; }
}