:root {
  --bg: #f4f6f8; --panel: #ffffff; --panel-2: #f8fafb; --border: #e3e8ec; --text: #16222b; --muted: #66757f;
  --primary: #0f766e; --primary-600: #0b5f58; --primary-50: #e6f4f2; --primary-ink: #ffffff;
  --bubble-in: #ffffff; --bubble-out: #0f766e; --bubble-bot: #e9eef3; --note: #fff4cc; --note-ink: #6b5200;
  --danger: #c2410c; --danger-50: #fdeee5; --ok: #15803d; --ok-50: #e6f5ea; --warn: #b45309; --warn-50: #fdf1dd;
  --shadow: 0 1px 2px rgba(16,34,43,.06), 0 4px 16px rgba(16,34,43,.06);
  --radius: 12px; --rail: 68px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1418; --panel: #151d23; --panel-2: #1a242b; --border: #26333c; --text: #e6edf1; --muted: #8a9aa5;
    --primary: #2dd4bf; --primary-600: #5eead4; --primary-50: #12312f; --primary-ink: #06201d;
    --bubble-in: #1e2a32; --bubble-out: #0f766e; --bubble-bot: #24323b; --note: #3a3210; --note-ink: #f3dc8a;
    --danger: #fb923c; --danger-50: #3a2114; --ok: #4ade80; --ok-50: #123321; --warn: #fbbf24; --warn-50: #3a2d10;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.35);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body, #root { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4, p { margin: 0; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.muted { color: var(--muted); }
.grow { flex: 1; min-width: 0; }
.row { display: flex; align-items: center; gap: 8px; }
.ellipsis { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hidden { display: none !important; }

/* ---------- controles ---------- */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border: 1px solid var(--border); background: var(--panel); border-radius: 9px; font-weight: 600; transition: background .12s, border-color .12s; }
.btn:hover { background: var(--panel-2); border-color: color-mix(in srgb, var(--border) 60%, var(--muted)); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn.primary:hover { background: var(--primary-600); }
.btn.danger { color: var(--danger); }
.btn.sm { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.icon-btn { display: inline-grid; place-items: center; width: 34px; height: 34px; border: 0; background: transparent; border-radius: 9px; color: var(--muted); }
.icon-btn:hover { background: var(--panel-2); color: var(--text); }
input[type=text], input[type=email], input[type=password], input[type=search], input:not([type]), select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 9px; background: var(--panel); }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--primary) 40%, transparent); border-color: var(--primary); }
textarea { resize: vertical; min-height: 64px; }
.field { display: grid; gap: 4px; margin-bottom: 12px; }
.field > span { font-size: 12px; font-weight: 600; color: var(--muted); }
.field small { color: var(--muted); }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 600; background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); white-space: nowrap; }
.badge.ok { background: var(--ok-50); color: var(--ok); border-color: transparent; }
.badge.warn { background: var(--warn-50); color: var(--warn); border-color: transparent; }
.badge.danger { background: var(--danger-50); color: var(--danger); border-color: transparent; }
.badge.primary { background: var(--primary-50); color: var(--primary); border-color: transparent; }
.avatar { display: grid; place-items: center; border-radius: 50%; color: #fff; font-weight: 700; flex: none; letter-spacing: .02em; }
.empty { display: grid; place-items: center; align-content: center; text-align: center; gap: 10px; padding: 40px 24px; color: var(--muted); height: 100%; }
.empty .ring { width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center; background: var(--primary-50); color: var(--primary); }
.empty h3 { color: var(--text); }
.spinner { width: 22px; height: 22px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; margin: 30px auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- login ---------- */
.login { min-height: 100dvh; display: grid; place-items: center; padding: 20px; background: linear-gradient(160deg, var(--primary-50), var(--bg) 55%); }
.login-card { width: 100%; max-width: 380px; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 30px; box-shadow: var(--shadow); }
.login-card .logo { width: 48px; height: 48px; border-radius: 13px; background: var(--primary); color: var(--primary-ink); display: grid; place-items: center; margin-bottom: 16px; }
.login-card h1 { font-size: 22px; margin-bottom: 4px; }
.login-card .btn { width: 100%; justify-content: center; padding: 10px; margin-top: 4px; }
.form-error { color: var(--danger); background: var(--danger-50); padding: 8px 10px; border-radius: 8px; margin-bottom: 12px; font-size: 13px; }

/* ---------- shell ---------- */
.shell { display: grid; grid-template-columns: var(--rail) 1fr; height: 100dvh; }
.rail { background: var(--panel); border-right: 1px solid var(--border); display: flex; flex-direction: column; align-items: center; padding: 12px 0; gap: 6px; }
.rail .brand { width: 40px; height: 40px; border-radius: 11px; background: var(--primary); color: var(--primary-ink); display: grid; place-items: center; margin-bottom: 10px; }
.rail a, .rail button.navbtn { position: relative; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; color: var(--muted); text-decoration: none; border: 0; background: transparent; }
.rail a:hover, .rail button.navbtn:hover { background: var(--panel-2); color: var(--text); }
.rail a.active { background: var(--primary-50); color: var(--primary); }
.rail .spacer { flex: 1; }
.dot-badge { position: absolute; top: 3px; right: 2px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px; background: var(--danger); color: #fff; font-size: 11px; font-weight: 700; display: grid; place-items: center; border: 2px solid var(--panel); }
.stream-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); margin-bottom: 4px; }
.stream-dot.off { background: var(--danger); }
.main { min-width: 0; min-height: 0; overflow: hidden; }
.page { height: 100%; overflow: auto; padding: 24px; }
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head h2 { font-size: 20px; }

/* ---------- bandeja ---------- */
.inbox { display: grid; grid-template-columns: 350px minmax(0, 1fr) 310px; height: 100%; }
.inbox.no-thread { grid-template-columns: 350px minmax(0, 1fr); }
.inbox.no-thread .panel { display: none; }
.conv-list { border-right: 1px solid var(--border); background: var(--panel); display: flex; flex-direction: column; min-height: 0; }
.list-head { padding: 14px 14px 8px; display: grid; gap: 10px; }
.list-head h2 { font-size: 18px; }
.searchbox { position: relative; }
.searchbox svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.searchbox input { padding-left: 34px; }
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); padding: 0 6px; overflow-x: auto; scrollbar-width: none; }
.tab { border: 0; background: none; padding: 9px 8px; font-size: 13.5px; color: var(--muted); font-weight: 600; border-bottom: 2px solid transparent; white-space: nowrap; display: flex; gap: 6px; align-items: center; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab .n { font-size: 11px; background: var(--panel-2); border: 1px solid var(--border); border-radius: 999px; padding: 0 6px; color: var(--muted); }
.tab.active .n { background: var(--primary-50); color: var(--primary); border-color: transparent; }
.chips { display: flex; gap: 6px; padding: 8px 14px; flex-wrap: wrap; }
.chip { border: 1px solid var(--border); background: var(--panel); padding: 3px 10px; border-radius: 999px; font-size: 12.5px; color: var(--muted); font-weight: 600; }
.chip.on { background: var(--primary-50); color: var(--primary); border-color: transparent; }
.chip.alert.on { background: var(--danger-50); color: var(--danger); }
.conv-scroll { overflow-y: auto; flex: 1; }
.conv { display: flex; gap: 11px; padding: 11px 14px; border-bottom: 1px solid var(--border); cursor: pointer; position: relative; }
.conv:hover { background: var(--panel-2); }
.conv.active { background: var(--primary-50); }
.conv.needs::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--danger); }
.conv .top { display: flex; gap: 8px; align-items: baseline; }
.conv .name { font-weight: 650; }
.conv.unread .name, .conv.unread .preview { font-weight: 700; color: var(--text); }
.conv .time { font-size: 12px; color: var(--muted); margin-left: auto; white-space: nowrap; }
.conv .preview { color: var(--muted); font-size: 13px; }
.conv .meta { display: flex; gap: 5px; margin-top: 4px; align-items: center; flex-wrap: wrap; }
.unread-pill { margin-left: auto; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px; background: var(--primary); color: var(--primary-ink); font-size: 12px; font-weight: 700; display: grid; place-items: center; }

.thread { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--bg); }
.thread-head { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--panel); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.thread-head .who { min-width: 0; }
.thread-head .who b { font-size: 15px; }
.thread-head .actions { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.thread-head select { width: auto; padding: 6px 8px; }
.back-btn { display: none; }
.messages { flex: 1; overflow-y: auto; padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; }
.day { align-self: center; font-size: 12px; color: var(--muted); background: var(--panel); border: 1px solid var(--border); padding: 2px 12px; border-radius: 999px; margin: 10px 0 4px; }
.msg { max-width: min(560px, 78%); display: flex; flex-direction: column; gap: 2px; }
.msg .bubble { padding: 8px 12px; border-radius: 14px; white-space: pre-wrap; overflow-wrap: anywhere; box-shadow: 0 1px 1px rgba(0,0,0,.05); }
.msg .cap { font-size: 11.5px; color: var(--muted); display: flex; gap: 6px; align-items: center; padding: 0 4px; }
.msg.customer { align-self: flex-start; }
.msg.customer .bubble { background: var(--bubble-in); border-bottom-left-radius: 4px; border: 1px solid var(--border); }
.msg.agent, .msg.bot { align-self: flex-end; align-items: flex-end; }
.msg.agent .bubble { background: var(--bubble-out); color: #fff; border-bottom-right-radius: 4px; }
.msg.bot .bubble { background: var(--bubble-bot); border-bottom-right-radius: 4px; }
.msg.note { align-self: center; max-width: 84%; }
.msg.note .bubble { background: var(--note); color: var(--note-ink); border-radius: 10px; }
.msg.note .cap { justify-content: center; }
.event { align-self: center; font-size: 12.5px; color: var(--muted); padding: 2px 10px; text-align: center; }
.failed { color: var(--danger); }
.composer { background: var(--panel); border-top: 1px solid var(--border); padding: 10px 14px 12px; }
.mode-banner { display: flex; align-items: center; gap: 8px; font-size: 13px; padding: 7px 10px; border-radius: 9px; margin-bottom: 8px; background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); }
.mode-banner.human { background: var(--ok-50); color: var(--ok); border-color: transparent; }
.mode-banner.needs { background: var(--danger-50); color: var(--danger); border-color: transparent; font-weight: 600; }
.mode-banner .btn { margin-left: auto; }
.composer-tabs { display: flex; gap: 4px; margin-bottom: 6px; }
.composer-tabs .tab { padding: 5px 10px; border-bottom: 0; border-radius: 8px; }
.composer-tabs .tab.active { background: var(--primary-50); }
.composer-tabs .tab.note.active { background: var(--note); color: var(--note-ink); }
.composer-row { display: flex; gap: 8px; align-items: flex-end; position: relative; }
.composer textarea { min-height: 44px; max-height: 160px; resize: none; }
.composer.note textarea { background: var(--note); border-color: transparent; color: var(--note-ink); }
.composer .send { width: 44px; height: 44px; border-radius: 11px; border: 0; background: var(--primary); color: var(--primary-ink); display: grid; place-items: center; flex: none; }
.composer .send:disabled { opacity: .45; }
.composer .hint { font-size: 12px; color: var(--muted); margin-top: 5px; }
.qr-menu { position: absolute; bottom: 52px; left: 0; width: min(420px, 100%); max-height: 240px; overflow: auto; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow); z-index: 20; }
.qr-menu button { display: block; width: 100%; text-align: left; border: 0; background: none; padding: 8px 12px; border-bottom: 1px solid var(--border); }
.qr-menu button:hover, .qr-menu button.sel { background: var(--primary-50); }
.qr-menu b { display: block; } .qr-menu span { color: var(--muted); font-size: 12.5px; }

.panel { border-left: 1px solid var(--border); background: var(--panel); overflow-y: auto; padding: 18px 16px; }
.panel .profile { text-align: center; display: grid; gap: 6px; justify-items: center; margin-bottom: 14px; }
.panel h4 { font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 18px 0 8px; }
.kv { display: grid; gap: 8px; }
.kv .field { margin: 0; }
.tagbox { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { display: inline-flex; gap: 4px; align-items: center; background: var(--primary-50); color: var(--primary); border-radius: 999px; padding: 2px 4px 2px 10px; font-size: 12.5px; font-weight: 600; }
.tag button { border: 0; background: none; padding: 0 4px; color: inherit; line-height: 1; }
.tagbox input { width: 110px; padding: 3px 8px; border-radius: 999px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.card.soft { background: var(--panel-2); }
.linklist button { display: block; width: 100%; text-align: left; border: 1px solid var(--border); background: var(--panel-2); border-radius: 9px; padding: 8px 10px; margin-bottom: 6px; }

/* ---------- leads ---------- */
.board { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(220px, 1fr); gap: 14px; align-items: start; overflow-x: auto; padding-bottom: 12px; min-height: 60vh; }
.col { background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius); display: flex; flex-direction: column; max-height: calc(100dvh - 150px); }
.col-head { padding: 12px 14px; display: flex; align-items: center; gap: 8px; font-weight: 700; }
.col-head .dotc { width: 9px; height: 9px; border-radius: 50%; background: var(--primary); }
.col.won .dotc { background: var(--ok); } .col.lost .dotc { background: var(--danger); }
.col-body { padding: 4px 10px 12px; overflow-y: auto; display: grid; gap: 8px; min-height: 60px; align-content: start; }
.col.over { outline: 2px dashed var(--primary); outline-offset: -4px; }
.deal { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; cursor: grab; box-shadow: 0 1px 2px rgba(0,0,0,.04); }
.deal:hover { border-color: var(--primary); }
.deal.dragging { opacity: .4; }
.deal .nm { font-weight: 650; margin-bottom: 3px; }
.deal .sub { color: var(--muted); font-size: 12.5px; display: flex; gap: 5px; align-items: center; }
.deal .foot { display: flex; gap: 6px; margin-top: 8px; align-items: center; }

/* ---------- tablas / ajustes ---------- */
.tablewrap { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--panel-2); white-space: nowrap; }
td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: 0; }
tbody tr.click { cursor: pointer; } tbody tr.click:hover { background: var(--panel-2); }
.settings-grid { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 24px; max-width: 1000px; }
.subnav { display: grid; gap: 4px; align-content: start; }
.subnav button { text-align: left; border: 0; background: none; padding: 9px 12px; border-radius: 9px; color: var(--muted); font-weight: 600; }
.subnav button.active { background: var(--primary-50); color: var(--primary); }
.section { display: grid; gap: 16px; max-width: 640px; }
.list-edit { display: grid; gap: 8px; }
.list-edit .item { display: flex; gap: 6px; align-items: center; }
pre.code { background: #0f1a20; color: #d7e3ea; padding: 12px 14px; border-radius: 10px; overflow: auto; font-size: 12.5px; }
.keybox { display: flex; gap: 8px; align-items: center; }
.keybox code { flex: 1; background: var(--panel-2); border: 1px solid var(--border); border-radius: 9px; padding: 8px 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- modal / toast ---------- */
.overlay { position: fixed; inset: 0; background: rgba(8,16,22,.5); display: grid; place-items: center; padding: 16px; z-index: 100; animation: fade .12s; }
.modal { width: 100%; max-width: 460px; max-height: 92dvh; display: flex; flex-direction: column; background: var(--panel); border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.modal.wide { max-width: 640px; }
.modal-head { display: flex; align-items: center; padding: 14px 16px 6px 20px; }
.modal-head h3 { flex: 1; }
.modal-body { padding: 8px 20px 12px; overflow: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px 16px; border-top: 1px solid var(--border); }
#toasts { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); display: grid; gap: 8px; z-index: 200; }
.toast { background: #16222b; color: #fff; padding: 10px 16px; border-radius: 10px; box-shadow: var(--shadow); animation: rise .2s; max-width: 90vw; }
.toast.error { background: #b42318; } .toast.ok { background: #15803d; }
.toast.out { opacity: 0; transition: opacity .25s; }
@keyframes fade { from { opacity: 0; } } @keyframes rise { from { transform: translateY(8px); opacity: 0; } }

/* ---------- móvil / tablet ---------- */
@media (max-width: 1180px) { .inbox { grid-template-columns: 320px minmax(0, 1fr); } .panel { display: none; } .inbox.show-panel .panel { display: block; position: fixed; right: 0; top: 0; bottom: 0; width: min(340px, 92vw); z-index: 50; box-shadow: var(--shadow); } }
@media (max-width: 820px) {
  .shell { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) 60px; }
  .rail { order: 2; flex-direction: row; justify-content: space-around; border-right: 0; border-top: 1px solid var(--border); padding: 4px; }
  .rail .brand, .rail .spacer, .stream-dot { display: none; }
  .inbox, .inbox.no-thread { grid-template-columns: minmax(0, 1fr); }
  .inbox[data-view=list] .thread { display: none; }
  .inbox[data-view=thread] .conv-list { display: none; }
  .back-btn { display: inline-grid; }
  .page { padding: 16px; }
  .settings-grid { grid-template-columns: 1fr; }
  .subnav { grid-auto-flow: column; overflow-x: auto; }
  .msg { max-width: 88%; }
}