:root{--bg:#f4f6fb;--panel:#fff;--ink:#172033;--muted:#697386;--primary:#1769ff;--danger:#c93636;--success:#168a54;--border:#e3e7ef;--dark:#111827}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}a{color:var(--primary);text-decoration:none}.topbar{height:64px;background:var(--dark);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px}.topbar a{color:#fff}.brand{font-weight:800;font-size:20px}.brand span,.logo{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,#1769ff,#6c5ce7);color:#fff}.shell{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 64px)}.sidebar{background:#fff;border-right:1px solid var(--border);padding:18px}.sidebar a{display:block;padding:11px 13px;margin:3px 0;border-radius:9px;color:#39445a}.sidebar a.active,.sidebar a:hover{background:#edf3ff;color:#1259d8;font-weight:700}.content{padding:28px;max-width:1500px;width:100%}.pagehead{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.pagehead h1{margin:0;font-size:28px}.version{font-size:12px;color:var(--muted)}.card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:18px;box-shadow:0 5px 18px rgba(19,31,55,.05)}.card h2{margin-top:0;font-size:18px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:18px}.stat{font-size:38px;font-weight:800;margin-top:8px}.muted{color:var(--muted)}.small{font-size:13px}.center{text-align:center}.narrow{max-width:650px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:15px}label{display:block;font-weight:650;margin-bottom:14px}input,textarea,select{width:100%;border:1px solid #ccd4e0;border-radius:9px;padding:11px 12px;font:inherit;margin-top:7px;background:#fff}textarea{resize:vertical}small{display:block;font-weight:400;color:var(--muted);margin-top:5px}.check{font-weight:500}.check input{width:auto;margin-right:7px}.button{display:inline-block;border:0;border-radius:9px;padding:10px 15px;background:var(--primary);color:#fff;font-weight:750;cursor:pointer}.button:hover{filter:brightness(.95)}.button.secondary{background:#eef2f8;color:#26344b}.button.danger{background:var(--danger)}.button.success{background:var(--success)}.button.small{padding:7px 10px;font-size:13px}.button.full{width:100%}.inline{display:inline}.stack{display:grid;gap:10px}.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px}.alert-danger{background:#ffe8e8;color:#8e2020}.alert-success{background:#e7f7ef;color:#12653f}.alert-info{background:#e8f2ff;color:#184f91}.tablewrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--border);vertical-align:top}th{font-size:13px;color:var(--muted)}.badge{display:inline-block;padding:5px 8px;border-radius:999px;font-size:12px;font-weight:700}.badge-open{background:#e9f4ff;color:#135a9b}.badge-waiting_human{background:#fff2cc;color:#805700}.badge-human{background:#e8f8ee;color:#14653b}.badge-closed{background:#eceff3;color:#4d5867}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.filters a{background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 12px}.conversationgrid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:18px}.chat{padding:0;overflow:hidden}.chathead{display:flex;justify-content:space-between;align-items:center;padding:18px;border-bottom:1px solid var(--border)}.messages{min-height:440px;max-height:60vh;overflow:auto;padding:20px;background:#f8fafc}.bubble{max-width:76%;padding:11px 13px;border-radius:14px;margin:9px 0;white-space:normal}.bubble.customer{margin-left:auto;background:#1769ff;color:#fff}.bubble.bot{background:#fff;border:1px solid var(--border)}.bubble.operator{background:#e7f7ef;border:1px solid #bde8d1}.bubble.system{max-width:90%;margin-left:auto;margin-right:auto;background:#fff3cd;text-align:center;font-size:13px}.who{font-size:11px;font-weight:800;opacity:.75;margin-bottom:4px}.time{font-size:10px;opacity:.7;margin-top:5px}.sendbox{padding:15px;border-top:1px solid var(--border)}.sendactions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}pre{white-space:pre-wrap;background:#f3f5f8;padding:12px;border-radius:8px}.authbody{min-height:100vh;display:grid;place-items:center;padding:22px;background:linear-gradient(135deg,#eff4ff,#f8f9fc)}.authcard{width:min(440px,94vw);background:#fff;border:1px solid var(--border);border-radius:20px;padding:28px;box-shadow:0 18px 50px rgba(20,32,55,.12)}.authcard.wide{width:min(850px,96vw)}.authcard h1{margin:10px 0 5px}.logo{font-size:20px;font-weight:800}.ok{color:var(--success)}.bad{color:var(--danger)}@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{display:flex;overflow:auto;border-right:0;border-bottom:1px solid var(--border)}.sidebar a{white-space:nowrap}.content{padding:18px}.cards{grid-template-columns:repeat(2,1fr)}.conversationgrid{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}}@media(max-width:520px){.cards{grid-template-columns:1fr}.topbar{padding:0 14px}.content{padding:13px}.bubble{max-width:90%}}