/* ============================================================
   CRM Bot — shared stylesheet
   Built on the DTSG clean-light kit (website-ui skill): navy + red
   on white, grey sub-panels, red UPPERCASE field labels, ONE red CTA.
   Icons are 18px line SVGs — never emoji.
   ============================================================ */
:root{
  --bg:#edf0f6; --card:#ffffff; --sub:#f4f7fb;
  --ink:#16223e; --navy:#1f2a54; --navy-2:#28356a;
  --text:#2b3348; --muted:#8b93a6; --line:#dde3ec;
  --red:#e11d2a; --red-2:#c7141f;
  --ok:#16a34a; --warn:#d97706;
}
*{margin:0;padding:0;box-sizing:border-box}
/* A class that sets `display` outranks the browser's own [hidden] rule, so
   `el.hidden = true` silently stops working on .sim / .simfab. Restore it. */
[hidden]{display:none !important}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;min-height:100vh;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* ---- header ---- */
header{padding:26px 0 6px}
.top{display:flex;align-items:center;gap:13px;flex-wrap:wrap}
.top .brand{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--ink);font-size:1.02rem;letter-spacing:-.01em}
.top .brand svg{color:var(--navy)}
.top .ctx{font-size:.68rem;letter-spacing:.2em;color:var(--muted);text-transform:uppercase;font-weight:800}
.top .spacer{flex:1}
h1{font-size:1.6rem;margin-top:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
h1 .accent{color:var(--red)}
.sub{color:var(--muted);font-size:.9rem;margin-top:7px;line-height:1.65;max-width:760px}

/* ---- nav ---- */
.nav{display:flex;gap:6px;margin-top:18px;flex-wrap:wrap}
.nav a{display:inline-flex;align-items:center;gap:7px;padding:9px 14px;border-radius:10px;text-decoration:none;font-size:.86rem;font-weight:700;color:var(--ink);border:1.5px solid var(--line);background:#fff;transition:all .16s}
.nav a:hover{border-color:var(--navy);color:var(--navy)}
.nav a.on{background:var(--navy);border-color:var(--navy);color:#fff}

/* ---- card ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px 24px 26px;margin-top:20px;box-shadow:0 1px 2px rgba(16,24,40,.04),0 12px 34px -18px rgba(16,24,40,.16)}
.card.tight{padding:18px 20px 20px}

.gblock{margin-top:18px}
.gblock:first-child{margin-top:0}
.glabel{font-size:.92rem;font-weight:800;color:var(--ink);margin:0 0 9px}

/* ---- segmented buttons ---- */
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg button{flex:1 1 auto;min-width:92px;background:#fff;border:1.5px solid var(--line);color:var(--ink);font-family:inherit;font-weight:700;font-size:.86rem;padding:11px 14px;border-radius:11px;cursor:pointer;transition:all .16s}
.seg button:hover{border-color:var(--navy);color:var(--navy)}
.seg button.active{background:var(--navy);border-color:var(--navy);color:#fff;box-shadow:0 6px 16px -8px rgba(31,42,84,.6)}

/* ---- sub-panel ---- */
.panel{background:var(--sub);border:1px solid var(--line);border-radius:14px;padding:15px 15px 17px;margin-top:16px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}
.panel-head .t{font-size:.82rem;font-weight:800;color:var(--ink)}
.tag{font-size:.62rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:3px 9px;border-radius:6px}
.tag.req{background:rgba(225,29,42,.1);color:var(--red)}
.tag.opt{background:rgba(31,42,84,.09);color:var(--navy)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid.one{grid-template-columns:1fr}
@media(max-width:520px){.grid{grid-template-columns:1fr}}
.field label{display:block;font-size:.67rem;font-weight:800;color:var(--red);margin-bottom:6px;letter-spacing:.05em;text-transform:uppercase}
.field input,.field select,.field textarea{width:100%;padding:12px 13px;background:#fff;border:1.5px solid var(--line);border-radius:10px;color:var(--text);font-size:.92rem;font-family:inherit;transition:all .16s}
.field textarea{min-height:96px;resize:vertical;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(31,42,84,.12)}
.field input::placeholder,.field textarea::placeholder{color:#aab2c1}
.field .hint{font-size:.7rem;color:var(--muted);margin-top:5px;line-height:1.5}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-family:inherit;font-weight:800;border-radius:12px;transition:all .18s;text-decoration:none;font-size:.95rem}
.btn-primary{background:var(--red);color:#fff;padding:16px 24px;width:100%;margin-top:20px;font-size:1rem;box-shadow:0 12px 26px -12px rgba(225,29,42,.6)}
.btn-primary:hover{background:var(--red-2);transform:translateY(-1px);box-shadow:0 16px 30px -12px rgba(225,29,42,.6)}
.btn-primary:disabled{opacity:.7;cursor:default;transform:none;box-shadow:none}
.btn-ghost{background:#fff;border:1.5px solid var(--line);color:var(--navy);padding:10px 18px;font-size:.84rem;font-weight:700;border-radius:10px}
.btn-ghost:hover{border-color:var(--navy);background:var(--sub)}
.btn-ghost:disabled{opacity:.5;cursor:default}
.btn-sm{padding:7px 12px;font-size:.78rem;border-radius:9px}

/* ---- helpers ---- */
.note{font-size:.78rem;color:var(--muted);margin-top:14px;line-height:1.6;background:var(--sub);border:1px solid var(--line);border-radius:10px;padding:11px 13px}
.note.warn{background:rgba(217,119,6,.07);border-color:rgba(217,119,6,.25);color:#8a5a08}
.empty{background:var(--card);border:1.5px dashed var(--line);border-radius:18px;padding:56px 28px;text-align:center;color:var(--muted);line-height:1.8}
.empty svg{color:var(--line);margin:0 auto 12px}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex:0 0 8px}
.dot.on{background:var(--ok)}
.dot.off{background:var(--line)}
.dot.busy{background:var(--warn)}
.err{color:var(--red);font-size:.82rem;font-weight:700;margin-top:12px;line-height:1.6}
footer{padding:28px 0 40px;color:var(--muted);font-size:.78rem;text-align:center}

/* ---- list rows (flows, channels, sequences) ---- */
.list{margin-top:6px}
.item{display:flex;align-items:center;gap:13px;padding:14px 15px;border:1px solid var(--line);border-radius:13px;background:#fff;margin-top:9px;transition:all .16s}
.item:hover{border-color:var(--navy)}
.item .ic{flex:0 0 36px;height:36px;border-radius:10px;background:rgba(31,42,84,.07);color:var(--navy);display:flex;align-items:center;justify-content:center}
.item .meta{flex:1;min-width:0}
.item .meta b{display:block;font-size:.92rem;color:var(--ink);font-weight:800;margin-bottom:3px}
.item .meta span{font-size:.75rem;color:var(--muted)}
.item .acts{display:flex;gap:6px;align-items:center;flex-shrink:0}

/* ============================================================
   Flow builder canvas
   ============================================================ */
.builder{display:grid;grid-template-columns:210px 1fr 320px;gap:0;height:calc(100vh - 132px);min-height:520px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;margin-top:18px}
@media(max-width:1100px){.builder{grid-template-columns:170px 1fr;}.props{display:none}}
@media(max-width:720px){.builder{grid-template-columns:1fr;height:auto}.palette{display:none}}

.palette{border-right:1px solid var(--line);background:var(--sub);padding:14px 12px;overflow-y:auto}
.palette h4{font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:800;margin:14px 0 8px}
.palette h4:first-child{margin-top:0}
.pnode{display:flex;align-items:center;gap:9px;padding:9px 10px;background:#fff;border:1.5px solid var(--line);border-radius:10px;margin-bottom:7px;cursor:grab;font-size:.79rem;font-weight:700;color:var(--ink);transition:all .16s;user-select:none}
.pnode:hover{border-color:var(--navy);color:var(--navy)}
.pnode:active{cursor:grabbing}
.pnode svg{flex:0 0 16px;color:var(--navy)}

.canvas-wrap{position:relative;overflow:hidden;background:#fbfcfe;
  background-image:radial-gradient(circle,#dde3ec 1px,transparent 1px);
  background-size:22px 22px}
.canvas{position:absolute;left:0;top:0;transform-origin:0 0;width:6000px;height:4000px}
.canvas svg.wires{position:absolute;left:0;top:0;width:6000px;height:4000px;pointer-events:none;overflow:visible}
.canvas svg.wires path{fill:none;stroke:#b9c2d4;stroke-width:2}
.canvas svg.wires path.hot{stroke:var(--navy);stroke-width:2.5}

.node{position:absolute;width:212px;background:#fff;border:1.5px solid var(--line);border-radius:13px;box-shadow:0 2px 4px rgba(16,24,40,.05),0 12px 26px -18px rgba(16,24,40,.3);user-select:none}
.node.sel{border-color:var(--navy);box-shadow:0 0 0 3px rgba(31,42,84,.13),0 12px 26px -18px rgba(16,24,40,.3)}
.node.start-node{border-color:var(--red)}
.node .nhead{display:flex;align-items:center;gap:8px;padding:9px 11px;border-bottom:1px solid var(--line);cursor:grab;border-radius:12px 12px 0 0;background:var(--sub)}
.node .nhead:active{cursor:grabbing}
.node .nhead svg{flex:0 0 15px;color:var(--navy)}
.node .nhead b{font-size:.74rem;font-weight:800;color:var(--ink);letter-spacing:.02em;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.node .nhead .startpip{font-size:.55rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--red);background:rgba(225,29,42,.1);padding:2px 6px;border-radius:5px}
.node .nbody{padding:10px 11px;font-size:.76rem;line-height:1.55;color:var(--text);word-break:break-word;min-height:34px}
.node .nbody .ph{color:var(--muted);font-style:italic}
.node .ports{padding:0 11px 10px}
.node .port{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:.7rem;font-weight:700;color:var(--muted);padding:4px 0}
.node .port .plabel{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dotport{width:12px;height:12px;border-radius:50%;border:2px solid var(--line);background:#fff;cursor:crosshair;flex:0 0 12px;transition:all .14s}
.dotport:hover,.dotport.linking{border-color:var(--red);background:rgba(225,29,42,.15)}
.dotport.filled{border-color:var(--navy);background:var(--navy)}
.inport{position:absolute;left:-7px;top:14px;width:12px;height:12px;border-radius:50%;border:2px solid var(--line);background:#fff}
.node.droptarget .inport{border-color:var(--red);background:rgba(225,29,42,.2)}

.canvas-tools{position:absolute;right:12px;bottom:12px;display:flex;gap:6px;z-index:5}
.canvas-tools button{width:32px;height:32px;border-radius:9px;border:1.5px solid var(--line);background:#fff;color:var(--navy);cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem}
.canvas-tools button:hover{border-color:var(--navy);background:var(--sub)}

.props{border-left:1px solid var(--line);background:#fff;padding:16px 15px;overflow-y:auto}
.props .phead{display:flex;align-items:center;gap:8px;margin-bottom:4px}
.props .phead b{font-size:.88rem;font-weight:800;color:var(--ink)}
.props .ptype{font-size:.68rem;color:var(--muted);margin-bottom:14px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.props .field{margin-bottom:12px}
.props .branchrow{display:flex;gap:6px;align-items:center;margin-bottom:7px}
.props .branchrow input{flex:1}
.props .branchrow button{flex:0 0 30px;height:38px;border-radius:9px;border:1.5px solid var(--line);background:#fff;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center}
.props .branchrow button:hover{border-color:var(--red);color:var(--red)}

/* ---- test simulator ---- */
.sim{position:fixed;right:18px;bottom:18px;width:330px;max-width:calc(100vw - 36px);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 50px -18px rgba(16,24,40,.4);z-index:40;display:flex;flex-direction:column;max-height:min(560px,calc(100vh - 40px))}
.sim .shead{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid var(--line)}
.sim .shead b{font-size:.84rem;font-weight:800;color:var(--ink);flex:1}
.sim .shead button{border:none;background:none;cursor:pointer;color:var(--muted);display:flex;padding:2px}
.sim .shead button:hover{color:var(--red)}
.sim .slog{flex:1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:8px;min-height:180px}
.bub{max-width:86%;padding:9px 12px;border-radius:13px;font-size:.82rem;line-height:1.55;word-break:break-word;white-space:pre-wrap}
.bub.them{background:var(--sub);border:1px solid var(--line);color:var(--text);align-self:flex-start;border-bottom-left-radius:4px}
.bub.me{background:var(--navy);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.bub.sys{align-self:center;background:rgba(217,119,6,.09);border:1px solid rgba(217,119,6,.25);color:#8a5a08;font-size:.72rem;text-align:center;max-width:100%}
.simbtns{display:flex;flex-wrap:wrap;gap:6px;align-self:flex-start;max-width:86%}
.simbtns button{border:1.5px solid var(--navy);background:#fff;color:var(--navy);border-radius:9px;padding:6px 11px;font-size:.75rem;font-weight:700;cursor:pointer;font-family:inherit}
.simbtns button:hover{background:var(--navy);color:#fff}
.sim .sfoot{display:flex;gap:7px;padding:11px 12px;border-top:1px solid var(--line)}
.sim .sfoot input{flex:1;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px;font-family:inherit;font-size:.85rem}
.sim .sfoot input:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(31,42,84,.12)}
.sim .sfoot button{flex:0 0 40px;border:none;background:var(--red);color:#fff;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.sim .sfoot button:hover{background:var(--red-2)}
.simfab{position:fixed;right:18px;bottom:18px;z-index:39;display:inline-flex;align-items:center;gap:8px;background:var(--red);color:#fff;border:none;border-radius:13px;padding:13px 18px;font-family:inherit;font-weight:800;font-size:.88rem;cursor:pointer;box-shadow:0 14px 30px -12px rgba(225,29,42,.65)}
.simfab:hover{background:var(--red-2)}

/* ============================================================
   Inbox
   ============================================================ */
.inbox{display:grid;grid-template-columns:300px 1fr;gap:0;height:calc(100vh - 132px);min-height:520px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff;margin-top:18px}
@media(max-width:820px){.inbox{grid-template-columns:1fr;height:auto}.inbox .thread{min-height:420px}}
.convlist{border-right:1px solid var(--line);overflow-y:auto;background:var(--sub)}
.conv{display:flex;gap:10px;align-items:flex-start;padding:13px 14px;border-bottom:1px solid var(--line);cursor:pointer;transition:background .14s}
.conv:hover{background:#fff}
.conv.on{background:#fff;box-shadow:inset 3px 0 0 var(--navy)}
.conv .av{flex:0 0 34px;height:34px;border-radius:10px;background:rgba(31,42,84,.09);color:var(--navy);font-weight:800;font-size:.8rem;display:flex;align-items:center;justify-content:center}
.conv .cmeta{flex:1;min-width:0}
.conv .cmeta b{display:block;font-size:.84rem;color:var(--ink);font-weight:800;margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv .cmeta p{font-size:.74rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv .badge{flex:0 0 auto;background:var(--red);color:#fff;font-size:.62rem;font-weight:800;border-radius:9px;padding:2px 6px}
.thread{display:flex;flex-direction:column;min-width:0}
.thead{display:flex;align-items:center;gap:10px;padding:13px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.thead b{font-size:.94rem;font-weight:800;color:var(--ink)}
.thead .who{font-size:.73rem;color:var(--muted)}
.tlog{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:9px;background:#fbfcfe;min-height:260px}
.tfoot{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line)}
.tfoot input{flex:1;padding:12px 13px;border:1.5px solid var(--line);border-radius:11px;font-family:inherit;font-size:.9rem}
.tfoot input:focus{outline:none;border-color:var(--navy);box-shadow:0 0 0 3px rgba(31,42,84,.12)}
.tfoot button{flex:0 0 46px;border:none;background:var(--red);color:#fff;border-radius:11px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.tfoot button:hover{background:var(--red-2)}
.tfoot button:disabled{opacity:.5;cursor:default}
.bub .stamp{display:block;font-size:.63rem;opacity:.6;margin-top:4px;font-weight:700}

/* ---- login ---- */
.login{max-width:400px;margin:8vh auto 0}
.login .card{margin-top:18px}
.login .brandline{display:flex;align-items:center;gap:10px;justify-content:center;font-weight:800;color:var(--ink);font-size:1.15rem}
.login .brandline svg{color:var(--navy)}
.login .sub{text-align:center;margin:8px auto 0}