:root {
  --bg: #eef1f4;
  --panel: #ffffff;
  --panel-2: #f7f9fb;
  --border: #e4e7ec;
  --border-2: #eceff3;
  --text: #111b21;
  --muted: #667781;
  --green: #25d366;
  --green-600: #1aa955;
  --green-700: #138a45;
  --green-tint: #e7f8ee;
  --danger: #e04848;
  --danger-bg: #fdecec;
  --amber: #d9a200;
  --chat-bg: #efeae2;
  --bubble-out: #d9fdd3;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);
  --shadow: 0 1px 3px rgba(16, 24, 40, .10), 0 1px 2px rgba(16, 24, 40, .06);
  --shadow-lg: 0 16px 40px rgba(16, 24, 40, .18);
  --radius: 12px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.sm { font-size: 13px; }

.topbar {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 30;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo {
  width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--green); color: #fff;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 15px; }
.brand-text small { color: var(--muted); font-size: 11px; letter-spacing: .04em; text-transform: uppercase; }

.topbar-right { display: flex; align-items: center; gap: 14px; }
.conn-badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; color: var(--muted);
  background: var(--panel-2); border: 1px solid var(--border);
  padding: 5px 11px; border-radius: 999px;
}
.conn-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.conn-badge.is-on .dot { background: var(--green); box-shadow: 0 0 0 3px var(--green-tint); }
.conn-badge.is-wait .dot { background: var(--amber); }
.conn-badge.is-off .dot { background: var(--danger); }
.user-chip { display: flex; align-items: center; gap: 10px; }
.whoami { color: var(--muted); font-size: 12.5px; }

.btn {
  appearance: none;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: background .15s, border-color .15s, opacity .15s, transform .05s;
}
.btn:hover { background: var(--panel-2); border-color: #d4d9e0; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.btn.sm { padding: 7px 13px; font-size: 13px; }
.btn.block { width: 100%; }
.btn.primary { background: var(--green-600); border-color: var(--green-600); color: #fff; }
.btn.primary:hover { background: var(--green-700); border-color: var(--green-700); }
.btn.ghost { background: transparent; }
.btn.ghost:hover { background: var(--panel-2); }
.btn.danger { color: var(--danger); border-color: #f0c4c4; background: var(--panel); }
.btn.danger:hover { background: var(--danger-bg); border-color: var(--danger); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn:disabled:hover { background: var(--panel); border-color: var(--border); }
.btn.primary:disabled:hover { background: var(--green-600); }

.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; margin-bottom: 4px; }
.field > span { color: var(--muted); font-weight: 500; }
input, textarea {
  font: inherit;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  width: 100%;
}
input::placeholder { color: #9aa6b2; }
input:focus, textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px var(--green-tint); }
input:disabled { background: var(--panel-2); opacity: .7; cursor: not-allowed; }

.input-wrap { position: relative; display: block; }
.input-wrap input { padding-right: 58px; }
.input-eye {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  background: transparent; border: 0; color: var(--muted);
  font-size: 12px; cursor: pointer; padding: 4px 8px; border-radius: 6px;
}
.input-eye:hover { background: var(--panel-2); color: var(--text); }

.err { color: var(--danger); font-size: 13px; min-height: 18px; margin: 6px 0 0; }
.hint { color: var(--muted); font-size: 12px; margin: 8px 0 0; }

.login-screen {
  min-height: calc(100vh - 56px);
  display: grid; place-items: center;
  padding: 24px;
  background:
    radial-gradient(1200px 500px at 50% -10%, var(--green-tint), transparent 60%),
    var(--bg);
}
.login-card {
  width: 100%; max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 30px 28px;
  text-align: center;
}
.login-logo {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--green); color: #fff;
  display: grid; place-items: center; margin: 0 auto 14px;
}
.login-card h1 { margin: 0; font-size: 21px; }
.login-card .sub { margin: 2px 0 22px; color: var(--muted); font-size: 13px; }
.login-card .field { text-align: left; }
.login-card .err, .login-card .hint { text-align: center; }
.login-card .btn.block { margin-top: 20px; }

.seg {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 4px; margin-bottom: 22px;
}
.seg-opt { position: relative; }
.seg-opt input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.seg-opt span {
  display: block; text-align: center; padding: 8px 0;
  border-radius: 7px; font-weight: 500; font-size: 13.5px; color: var(--muted);
}
.seg-opt input:checked + span { background: var(--panel); color: var(--text); box-shadow: var(--shadow-sm); }

.app-shell { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 56px); }
.sidebar { background: var(--panel); border-right: 1px solid var(--border); padding: 16px 12px; }
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav button {
  display: flex; align-items: center; gap: 11px;
  width: 100%; text-align: left;
  background: transparent; border: 0; cursor: pointer;
  padding: 10px 12px; border-radius: var(--radius-sm);
  color: var(--text); font-size: 14px; font-weight: 500;
}
.nav button:hover { background: var(--panel-2); }
.nav button.active { background: var(--green-tint); color: var(--green-700); }
.nav button svg { width: 18px; height: 18px; flex: 0 0 auto; }

.content { padding: 22px 26px; min-width: 0; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; gap: 12px; }
.page-head h1 { margin: 0; font-size: 20px; }
.head-actions { display: flex; gap: 8px; }

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  padding: 18px 20px; margin-bottom: 18px;
}
.card.no-pad { padding: 0; overflow: hidden; }
.card h2 { margin: 0 0 14px; font-size: 15px; }
.cards-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
@media (max-width: 820px) { .cards-2 { grid-template-columns: 1fr; } }

.status-rows { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.status-row { display: flex; align-items: center; justify-content: space-between; padding-bottom: 10px; border-bottom: 1px solid var(--border-2); }
.status-row:last-child { border-bottom: 0; padding-bottom: 0; }
.badge { font-size: 12.5px; font-weight: 600; padding: 3px 11px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); color: var(--muted); }
.badge.good { background: var(--green-tint); border-color: #bfe9cd; color: var(--green-700); }
.badge.bad { background: var(--danger-bg); border-color: #f3c9c9; color: var(--danger); }
.btns { display: flex; gap: 10px; flex-wrap: wrap; }

.center-card { display: flex; flex-direction: column; }
.qr-wrap { flex: 1; display: grid; place-items: center; min-height: 240px; padding: 8px; }
.qr-wrap img { width: 232px; height: 232px; image-rendering: pixelated; background: #fff; padding: 10px; border-radius: 10px; box-shadow: var(--shadow-sm); }

.table-wrap { overflow-x: auto; }
.pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; border-top: 1px solid var(--border-2); font-size: 13px; }
.pager .pager-info { color: var(--muted); }
.pager .pager-ctrls { display: inline-flex; align-items: center; gap: 8px; }
.pager .pager-page { color: var(--muted); min-width: 48px; text-align: center; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border-2); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; background: var(--panel-2); }
tbody tr:hover { background: var(--panel-2); }
tbody tr:last-child td { border-bottom: 0; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 12.5px; }
.token-cell { display: inline-flex; align-items: center; gap: 6px; }
.copy-btn { background: transparent; border: 0; color: var(--muted); cursor: pointer; font-size: 12px; padding: 2px 6px; border-radius: 6px; }
.copy-btn:hover { background: var(--border-2); color: var(--text); }
.tick { color: var(--green-700); font-weight: 700; }
.row-actions { display: inline-flex; gap: 6px; }
.group-detail { padding: 18px 20px; overflow-y: auto; }
.grp-head { display: flex; align-items: center; gap: 14px; }
.grp-avatar { width: 56px; height: 56px; font-size: 18px; flex: 0 0 auto; }
.avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; display: block; }
.grp-title { font-size: 17px; font-weight: 700; }
.grp-sub { font-size: 14px; margin: 18px 0 8px; }
.grp-add { display: flex; gap: 8px; margin: 8px 0 4px; max-width: 380px; }
.grp-parts { display: flex; flex-direction: column; }
.grp-part { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--border-2); }
.grp-part-actions { display: inline-flex; gap: 6px; flex: 0 0 auto; }
.grp-badge { font-size: 10.5px; background: var(--green-tint); color: var(--green-700); border-radius: 999px; padding: 1px 8px; }
.grp-part-num { display: block; font-size: 12px; color: var(--muted); }
.pair-code {
  margin: 14px 0 6px; padding: 14px; text-align: center;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 28px; font-weight: 700; letter-spacing: 6px;
  background: var(--green-tint); border: 1px solid #bfe9cd; border-radius: 10px; color: var(--green-700);
}

.chat-app { display: grid; grid-template-columns: 300px 1fr; height: calc(100vh - 56px - 22px - 22px - 36px - 18px); min-height: 440px; }
@media (max-width: 760px) { .chat-app { grid-template-columns: 1fr; height: auto; } }
.chat-sidebar { border-right: 1px solid var(--border); display: flex; flex-direction: column; min-height: 0; }
.chat-search { padding: 12px; border-bottom: 1px solid var(--border-2); }
.chat-search input { padding: 8px 12px; }
.chat-list { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }
.chat-list li { display: flex; gap: 11px; align-items: center; padding: 11px 14px; border-bottom: 1px solid var(--border-2); cursor: pointer; }
.chat-list li:hover { background: var(--panel-2); }
.chat-list li.active { background: var(--green-tint); }
.chat-list .cl-body { min-width: 0; flex: 1; }
.chat-list .cl-name { font-size: 14px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-list .cl-last { font-size: 12.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chat-list .cl-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.chat-list .cl-time { font-size: 11px; color: var(--muted); }
.chat-list .cl-count { font-size: 11px; background: var(--green); color: #fff; border-radius: 999px; padding: 0 7px; min-width: 18px; text-align: center; }

.avatar { width: 40px; height: 40px; border-radius: 50%; flex: 0 0 auto; display: grid; place-items: center; color: #fff; font-size: 13px; font-weight: 700; background: var(--green-600); }

.chat-main { display: flex; flex-direction: column; min-width: 0; }
.thread-head { display: flex; align-items: center; gap: 11px; padding: 10px 16px; border-bottom: 1px solid var(--border); background: var(--panel); }
.thread-meta { display: flex; flex-direction: column; line-height: 1.2; }
.thread-name { font-weight: 600; }
.thread-jid { font-size: 12px; color: var(--muted); }
.thread-jid.typing { color: var(--green-700); font-style: italic; }
.typing-hint { color: var(--green-700); font-style: italic; }
.thread-meta { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.thread-actions { display: inline-flex; gap: 6px; align-items: center; flex: 0 0 auto; }
.thread-close { flex: 0 0 auto; margin-left: 4px; font-size: 14px; line-height: 1; }

.chat-filters { display: flex; gap: 4px; padding: 8px 10px; border-bottom: 1px solid var(--border-2); }
.chat-filters .cf { flex: 1; background: var(--panel-2); border: 1px solid var(--border); border-radius: 7px; padding: 5px 0; font-size: 12.5px; cursor: pointer; color: var(--muted); }
.chat-filters .cf.active { background: var(--green-tint); border-color: #bfe9cd; color: var(--green-700); font-weight: 600; }

.st-badge { display: inline-block; font-size: 10.5px; font-weight: 600; padding: 0 6px; border-radius: 999px; margin-right: 4px; }
.st-badge.free { background: var(--green-tint); color: var(--green-700); }
.st-badge.closed { background: var(--border-2); color: var(--muted); }
.st-badge.mine { background: #dbeafe; color: #1e40af; }
.st-badge.other { background: #fef3c7; color: #92660a; }

select { font: inherit; background: var(--panel); border: 1px solid var(--border); color: var(--text); padding: 10px 12px; border-radius: var(--radius-sm); width: 100%; }
select:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px var(--green-tint); }
.check { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.check input { width: auto; }

.date-in { width: auto; padding: 6px 10px; font-size: 13px; }
.rep-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 18px; }
@media (max-width: 700px) { .rep-cards { grid-template-columns: 1fr; } }
.card.stat { text-align: center; padding: 22px 16px; }
.stat-n { font-size: 30px; font-weight: 700; color: var(--green-700); }
.stat-l { font-size: 12.5px; color: var(--muted); margin-top: 4px; }

.msg-pane {
  flex: 1; overflow-y: auto; padding: 18px;
  display: flex; flex-direction: column; gap: 4px;
  background-color: var(--chat-bg);
}
.day-sep { align-self: center; background: rgba(255,255,255,.85); color: var(--muted); font-size: 11.5px; padding: 3px 12px; border-radius: 999px; margin: 8px 0; box-shadow: var(--shadow-sm); }
.msg-row { display: flex; align-items: flex-end; gap: 6px; max-width: 80%; }
.msg-row.in { align-self: flex-start; }
.msg-row.out { align-self: flex-end; }
.msg-avatar { width: 28px; height: 28px; border-radius: 50%; flex: 0 0 auto; display: grid; place-items: center; color: #fff; font-size: 11px; font-weight: 700; background: var(--green-600); overflow: hidden; }
.msg-avatar img { width: 100%; height: 100%; object-fit: cover; }
.msg-avatar.ghost { visibility: hidden; }
.bubble { max-width: 100%; padding: 7px 10px 5px; border-radius: 9px; font-size: 14px; word-break: break-word; box-shadow: var(--shadow-sm); position: relative; }
.bubble.in { background: #fff; border-top-left-radius: 3px; }
.bubble.out { background: var(--bubble-out); border-top-right-radius: 3px; }
.bubble-sender { display: block; font-size: 12px; font-weight: 700; color: var(--green-700); margin-bottom: 1px; }
.bubble-media { display: block; max-width: 260px; max-height: 320px; border-radius: 6px; cursor: pointer; }
.bubble-cap { margin-top: 4px; }
.bubble-doc { display: inline-flex; align-items: center; gap: 6px; color: var(--green-700); text-decoration: none; font-weight: 500; }
.bubble-doc:hover { text-decoration: underline; }
.bubble .meta { display: block; text-align: right; font-size: 10.5px; color: #5b6b73; margin-top: 2px; }
.bubble .tag { display: inline-block; font-size: 10.5px; color: var(--green-700); font-weight: 600; margin-right: 4px; text-transform: uppercase; }
.bubble .meta .tk { color: #8aa0a8; font-size: 11px; letter-spacing: -1px; }
.bubble .meta .tk.read { color: #34b7f1; }

.compose { display: flex; gap: 10px; padding: 12px 16px; border-top: 1px solid var(--border); background: var(--panel); }
.btn.attach { padding: 9px 12px; font-size: 16px; line-height: 1; }
.lightbox { position: fixed; inset: 0; z-index: 70; display: grid; place-items: center; padding: 30px; background: rgba(17, 27, 33, .85); cursor: zoom-out; }
.lightbox img { max-width: 92vw; max-height: 92vh; border-radius: 8px; box-shadow: var(--shadow-lg); }
.compose input { flex: 1; }
.compose-hint { padding: 0 16px 10px; margin: 0; background: var(--panel); }
.compose-hint:empty { padding: 0; }

.empty { margin: auto; text-align: center; color: var(--muted); max-width: 280px; padding: 30px; }
.empty-emoji { font-size: 34px; margin-bottom: 8px; }

.skeleton { color: transparent !important; background: linear-gradient(90deg, var(--border-2) 25%, #f1f3f6 37%, var(--border-2) 63%); background-size: 400% 100%; animation: shimmer 1.3s infinite; border-radius: 6px; }
@keyframes shimmer { from { background-position: 100% 0; } to { background-position: 0 0; } }

.toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 10px; z-index: 60; }
.toast {
  background: #1f2937; color: #fff; padding: 11px 16px; border-radius: 10px;
  font-size: 13.5px; box-shadow: var(--shadow-lg); max-width: 340px;
  opacity: 0; transform: translateY(8px); transition: opacity .25s, transform .25s;
  border-left: 3px solid #6b7280;
}
.toast.show { opacity: 1; transform: none; }
.toast.success { border-left-color: var(--green); }
.toast.error { border-left-color: var(--danger); }

.modal-root { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 20px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(17, 27, 33, .45); backdrop-filter: blur(2px); }
.modal {
  position: relative; width: 100%; max-width: 440px;
  background: var(--panel); border-radius: 14px; box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border-2); }
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-x { background: transparent; border: 0; font-size: 22px; line-height: 1; color: var(--muted); cursor: pointer; padding: 0 4px; }
.modal-x:hover { color: var(--text); }
.modal-body { padding: 18px 20px; display: flex; flex-direction: column; gap: 12px; }
.modal-body .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--border-2); background: var(--panel-2); }