/* Bố cục: thanh trên cố định, Hộp thư chia 3 cột (danh sách / khung chat / hồ sơ), các trang khác cuộn dọc.
   Màu nhãn tin nhắn giống trang khung sơ đồ: AI tím, tin mẫu vàng đất, nhân viên xanh dương, tự động xanh lá. */
:root {
  --bg: #F3F6F5; --surface: #FFFFFF; --surface-2: #F8FAF9; --ink: #17201D; --muted: #5A6762;
  --line: #DCE3E0; --line-strong: #B9C4C0; --accent: #0E6A60; --accent-ink: #FFFFFF;
  --bot: #5546B8; --warn: #9A5B0C; --staff: #1D5DA3; --auto: #2C7128; --danger: #B3261E;
  --accent-tint: color-mix(in srgb, var(--accent) 10%, var(--surface));
  --font-display: "Lexend", "Be Vietnam Pro", system-ui, sans-serif;
  --font-body: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101514; --surface: #18201E; --surface-2: #141B19; --ink: #E7EDEB; --muted: #9BA8A4;
    --line: #2A3431; --line-strong: #43504C; --accent: #53C2B4; --accent-ink: #0B1513;
    --bot: #A79BF4; --warn: #E3A64B; --staff: #7EB4F0; --auto: #88C97F; --danger: #F2867E;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 14px; line-height: 1.5; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; margin: 0; line-height: 1.3; text-wrap: balance; }
h1 { font-size: 24px; } h2 { font-size: 18px; } h3 { font-size: 15px; }
p { margin: 0; }
.muted { color: var(--muted); }
button, input, select, textarea { font: inherit; color: inherit; }
input, select, textarea {
  width: 100%; padding: 7px 10px; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--surface);
}
textarea { resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}
label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--ink); }
label.check input { width: auto; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 7px 14px;
  border: 1px solid var(--line-strong); border-radius: 8px; background: var(--surface); cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
a.btn { text-decoration: none; color: inherit; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 500; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.small { padding: 3px 10px; font-size: 13px; }
.btn.danger-btn { border-color: var(--danger); color: var(--danger); }
.link { border: 0; background: none; color: var(--accent); cursor: pointer; padding: 0; font-size: 13px; }
.w100 { width: 100%; }
.row-btns { display: flex; gap: 8px; flex-wrap: wrap; }
.inline { display: flex; gap: 8px; }
.grow { flex: 1; }

.app { height: 100%; display: flex; flex-direction: column; }
.top {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 10px 16px;
  background: var(--surface); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 8px; }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 16px; }
.badge-test {
  font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; padding: 2px 8px; border-radius: 999px;
  color: var(--warn); background: color-mix(in srgb, var(--warn) 15%, transparent);
}
.nav { display: flex; gap: 2px; flex-wrap: wrap; }
.nav button { border: 0; background: none; padding: 7px 12px; border-radius: 8px; cursor: pointer; color: var(--muted); }
.nav button:hover { background: var(--surface-2); color: var(--ink); }
.nav button.on { background: var(--accent-tint); color: var(--accent); font-weight: 600; }
.top-right { margin-left: auto; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.me { flex-direction: row; align-items: center; gap: 6px; white-space: nowrap; }
.me select { width: auto; padding: 4px 8px; }
.clock { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 13px; font-variant-numeric: tabular-nums; }
.clock-btns { display: inline-flex; gap: 4px; }
.clock-btns button { border: 1px solid var(--line); background: var(--surface-2); border-radius: 6px; padding: 2px 8px; cursor: pointer; font-size: 12px; }
.clock-btns button:hover { border-color: var(--line-strong); }

main { flex: 1; min-height: 0; }
.view[hidden] { display: none !important; }

/* ---------- Hộp thư ---------- */
.inbox { height: 100%; display: grid; grid-template-columns: 320px minmax(0, 1fr) 300px; }
.col-list { border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; background: var(--surface); }
.list-tools { padding: 12px; display: flex; flex-direction: column; gap: 10px; border-bottom: 1px solid var(--line); }
.sim-new {
  display: flex; flex-direction: column; gap: 8px; padding: 10px; border: 1px dashed var(--warn); border-radius: 10px;
  background: color-mix(in srgb, var(--warn) 6%, var(--surface));
}
.sim-note { font-size: 12px; color: var(--warn); }
.chips { display: flex; gap: 4px; flex-wrap: wrap; }
.chips button { border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 3px 10px; cursor: pointer; font-size: 12px; color: var(--muted); }
.chips button.on { border-color: var(--accent); color: var(--accent); background: var(--accent-tint); font-weight: 500; }
.conv-list { overflow-y: auto; flex: 1; }
.conv {
  display: flex; gap: 10px; width: 100%; text-align: left; padding: 10px 12px; border: 0; border-bottom: 1px solid var(--line);
  background: none; cursor: pointer;
}
.conv:hover { background: var(--surface-2); }
.conv.active { background: var(--accent-tint); }
.av {
  flex: none; width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 600; background: var(--accent-tint); color: var(--accent);
  position: relative; overflow: hidden;
}
.av img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.conv-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.conv-top { display: flex; justify-content: space-between; gap: 8px; }
.conv-top b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv-time { font-size: 12px; color: var(--muted); white-space: nowrap; }
.conv-prev { font-size: 13px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv.unread .conv-prev { color: var(--ink); font-weight: 500; }
.conv-meta { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
.ch { font-size: 11px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--muted);
  max-width: 170px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.st { font-size: 11px; padding: 1px 7px; border-radius: 999px; }
.st.bot { color: var(--bot); background: color-mix(in srgb, var(--bot) 13%, transparent); }
.st.staff { color: var(--staff); background: color-mix(in srgb, var(--staff) 13%, transparent); }
.slow { font-size: 11px; padding: 1px 7px; border-radius: 999px; color: #fff; background: var(--danger); }
.unread-n { margin-left: auto; font-size: 11px; min-width: 18px; text-align: center; padding: 1px 6px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); }
.list-empty { padding: 20px 14px; color: var(--muted); font-size: 13px; }

.col-chat { display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.empty { margin: auto; max-width: 360px; text-align: center; display: flex; flex-direction: column; gap: 8px; padding: 24px; color: var(--muted); }
.empty h2 { color: var(--ink); }
.chat { display: flex; flex-direction: column; height: 100%; min-height: 0; }
.chat-head { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--surface); }
.chat-title { display: flex; flex-direction: column; min-width: 0; }
.chat-title .muted { font-size: 12px; }
.chat-head .state { margin-left: auto; font-size: 12px; padding: 3px 10px; border-radius: 999px; }
.state.bot { color: var(--bot); background: color-mix(in srgb, var(--bot) 13%, transparent); }
.state.staff { color: var(--staff); background: color-mix(in srgb, var(--staff) 13%, transparent); }
.msgs { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.msg { display: flex; flex-direction: column; max-width: 78%; gap: 3px; }
.msg.in { align-self: flex-start; align-items: flex-start; }
.msg.out { align-self: flex-end; align-items: flex-end; }
.bub { padding: 8px 12px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); overflow-wrap: anywhere; }
.msg.out .bub { background: var(--surface-2); }
.bub img { display: block; max-width: 240px; max-height: 240px; border-radius: 8px; margin-top: 6px; }
.bub .txt + img { margin-top: 6px; }
.bub img:first-child { margin-top: 0; }
.mt { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.tag { font-size: 11px; font-weight: 500; padding: 2px 9px; border-radius: 999px; }
.t-bot { color: var(--bot); background: color-mix(in srgb, var(--bot) 14%, transparent); }
.t-fallback { color: var(--warn); background: color-mix(in srgb, var(--warn) 15%, transparent); }
.t-staff { color: var(--staff); background: color-mix(in srgb, var(--staff) 14%, transparent); }
.t-auto { color: var(--auto); background: color-mix(in srgb, var(--auto) 15%, transparent); }
.sys { align-self: center; text-align: center; font-size: 12px; color: var(--muted); padding: 4px 12px; border-block: 1px solid var(--line); }
.sys .mt { margin-left: 6px; }

.composer { position: relative; padding: 10px 16px; border-top: 1px solid var(--line); background: var(--surface); display: flex; gap: 8px; align-items: flex-end; }
.composer textarea { flex: 1; }
.composer-btns { display: flex; gap: 6px; }
.qr {
  position: absolute; left: 16px; right: 16px; bottom: 100%; max-height: 240px; overflow-y: auto; background: var(--surface);
  border: 1px solid var(--line-strong); border-radius: 10px; margin-bottom: 4px;
}
.qr button { display: block; width: 100%; text-align: left; border: 0; border-bottom: 1px solid var(--line); background: none; padding: 8px 12px; cursor: pointer; }
.qr button:hover, .qr button.on { background: var(--accent-tint); }
.qr button span { display: block; font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.att { position: absolute; left: 16px; bottom: 100%; margin-bottom: 4px; font-size: 12px; padding: 3px 10px; border-radius: 999px; background: var(--accent-tint); color: var(--accent); }
.att button { border: 0; background: none; color: inherit; cursor: pointer; margin-left: 4px; }
.sim-reply {
  display: flex; gap: 8px; align-items: center; padding: 8px 16px; border-top: 1px dashed var(--warn);
  background: color-mix(in srgb, var(--warn) 6%, var(--surface));
}
.sim-label { font-size: 12px; color: var(--warn); white-space: nowrap; font-weight: 500; }

.col-profile { border-left: 1px solid var(--line); background: var(--surface); overflow-y: auto; }
.profile { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.pf-row { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; }
.phone-row { display: flex; gap: 8px; align-items: center; }
.pf-status { border-top: 1px solid var(--line); padding-top: 12px; display: flex; flex-direction: column; gap: 6px; }

/* ---------- Các trang ---------- */
.page { height: 100%; overflow-y: auto; padding: 24px max(16px, 3vw) 48px; display: flex; flex-direction: column; gap: 16px; }
.page-head { display: flex; flex-direction: column; gap: 6px; max-width: 75ch; }
.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; align-items: start; }
.stack { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.stack-sm { gap: 12px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.card.danger { border-color: color-mix(in srgb, var(--danger) 50%, var(--line)); }
.try-result { font-size: 13px; min-height: 1.5em; }
.script-list { display: flex; flex-direction: column; gap: 10px; }
.script { border: 1px solid var(--line); border-radius: 10px; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.script.off { opacity: .6; }
.script-head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.script-head .grow { min-width: 8px; }
.kws { display: flex; gap: 4px; flex-wrap: wrap; }
.kw { font-size: 12px; padding: 1px 8px; border-radius: 999px; background: var(--accent-tint); color: var(--accent); }
.reply { font-size: 13px; color: var(--muted); white-space: pre-wrap; }
.script img { max-width: 120px; border-radius: 6px; }
.imgpick { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; }
.imgpick img { max-width: 90px; max-height: 90px; border-radius: 6px; border: 1px solid var(--line); }
.filters { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px 12px; display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin: 0; }
.filters legend { font-size: 13px; padding: 0 4px; color: var(--muted); }
.rules { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; font-weight: 500; color: var(--muted); padding: 6px 8px; border-bottom: 1px solid var(--line-strong); white-space: nowrap; }
.tbl td { padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl tr.click { cursor: pointer; }
.tbl tr.click:hover td { background: var(--surface-2); }
.num { font-variant-numeric: tabular-nums; text-align: right; }
.ok { color: var(--auto); font-weight: 500; }
.skip { color: var(--warn); }
.pill { font-size: 11px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--muted); white-space: nowrap; }
.pill.sending { border-color: var(--auto); color: var(--auto); }
.pill.scheduled { border-color: var(--staff); color: var(--staff); }
.pill.stopped { border-color: var(--danger); color: var(--danger); }
.cp-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 10px 0; border-bottom: 1px solid var(--line); }
.cp-row:last-child { border-bottom: 0; }
.cp-row b { margin-right: auto; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.toolbar select { width: auto; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: flex; flex-direction: column; gap: 2px; }
.tile .n { font-family: var(--font-display); font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; }
.tile .l { font-size: 13px; color: var(--muted); }
.staff-list { display: flex; flex-direction: column; gap: 8px; }
.staff-row { display: flex; gap: 8px; align-items: center; }
.staff-row input[type=text] { flex: 1; }
.staff-row label.check { white-space: nowrap; }

.copy-grid { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px 10px; align-items: center; font-size: 13px; }
.copy-grid code { font-family: ui-monospace, Menlo, monospace; font-size: 12px; padding: 4px 8px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--line); overflow-wrap: anywhere; }
.fb-status { font-size: 13px; padding: 10px 12px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 4px; }
.fb-status .err { color: var(--danger); }
.filters .span2 { grid-column: 1 / -1; }
.tag-pick { display: flex; flex-direction: column; gap: 6px; }
.tag-boxes { display: flex; flex-wrap: wrap; gap: 6px 14px; padding-left: 24px; }
.tag-boxes label.check { font-size: 13px; }
.filters-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.warn-real { padding: 8px 12px; border-radius: 8px; font-size: 13px; color: #fff; background: #1660C8; }
.fb-pages { display: flex; flex-direction: column; gap: 10px; border-top: 1px solid var(--line); padding-top: 12px; }
.fb-page { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; display: flex; flex-direction: column; gap: 8px; }
.fb-page.off { opacity: .6; }
.fb-page-head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.fb-page-head b { margin-right: auto; }
.fb-page select { width: auto; padding: 3px 8px; font-size: 13px; }
.list-more { padding: 10px 14px; font-size: 12px; color: var(--muted); }
.real { font-size: 11px; padding: 1px 7px; border-radius: 999px; color: #fff; background: #1660C8; }
.real.tiktok { background: #1f2328; border: 1px solid var(--line); }
.real.zalo { background: #0047B3; }
.fb-page .warn { color: var(--danger); font-size: 13px; }

.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); padding: 10px 16px; border-radius: 10px;
  background: var(--ink); color: var(--bg); font-size: 13px; max-width: min(90vw, 520px); z-index: 10;
}
.toast.err { background: var(--danger); color: #fff; }

@media (max-width: 1100px) {
  .inbox { grid-template-columns: 280px minmax(0, 1fr); }
  .col-profile { display: none; }
}
@media (max-width: 720px) {
  .inbox { grid-template-columns: 1fr; grid-template-rows: 40% 60%; }
  .col-list { border-right: 0; border-bottom: 1px solid var(--line); }
  .top-right { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }
.old-cp summary { cursor: pointer; padding: 4px 0; }
.old-cp[open] summary { margin-bottom: 12px; }
.old-cp > .two-col > .card { border-color: var(--line); }
.fu-head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.fu-head .gio { font-family: var(--font-display); font-weight: 600; color: var(--accent); white-space: nowrap; }

/* Đăng nhập và phân quyền */
.me-user { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.login-wrap { position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center;
  padding: 16px; background: color-mix(in srgb, var(--bg) 92%, transparent); }
.login-card { width: min(380px, 100%); }
.login-card h2 { margin: 0; font-family: Lexend, sans-serif; font-size: 20px; }
.login-card .err { color: var(--danger); margin: 0; }
.perm-tbl th.c, .perm-tbl td.c { text-align: center; }
.perm-tbl td.acts { white-space: nowrap; }
.perm-tbl tr.no-acc td { color: var(--muted); }
.perm-tbl select { width: auto; padding: 3px 6px; }
.perm-checks { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; }
.acc-add-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; }

.fb-warn { display: flex; gap: 10px; align-items: center; justify-content: space-between; padding: 8px 16px; font-size: 13px;
  border-top: 1px solid var(--line); background: color-mix(in srgb, var(--warn) 12%, var(--surface)); color: var(--ink); }
.fb-warn[hidden] { display: none; }
.fb-warn a.btn { flex: none; }

/* Bản chính thức: thanh đỏ khi Facebook / TikTok / Zalo không gửi tin về app được */
.health-bar { display: flex; gap: 12px; align-items: center; justify-content: space-between; padding: 10px 16px;
  font-size: 13px; font-weight: 500; color: var(--ink); border-bottom: 1px solid var(--danger);
  background: color-mix(in srgb, var(--danger) 14%, var(--surface)); }
.health-bar[hidden] { display: none; }
.health-bar p { margin: 0; }
.health-bar p + p { margin-top: 4px; }
.health-bar .btn { flex: none; }