:root{--primary:#FF5100;--primary-d:#e64800;--navy:#0e2439;--bg:#f4f6f9;--card:#fff;--border:#e2e8f0;--muted:#64748b;--text:#0f2033}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer}
.muted{color:var(--muted)}
.hint{color:var(--muted);font-size:12px;margin-top:12px;text-align:center}
.accent{color:var(--primary)}

/* ---- Auth ---- */
.auth-bg{background:var(--bg)}
.auth-split{display:flex;min-height:100vh}
.auth-hero{flex:1;background:var(--navy);color:#fff;padding:56px;display:none;flex-direction:column;justify-content:center}
.auth-hero h1{font-size:38px;line-height:1.15;max-width:460px}
.auth-hero p{color:#c7d2e0;max-width:420px}
.ticks{list-style:none;padding:0;margin-top:24px}
.ticks li{padding:8px 0 8px 28px;position:relative;color:#e2e8f0}
.ticks li:before{content:'\2713';position:absolute;left:0;color:var(--primary);font-weight:bold}
.auth-form-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:34px;width:100%;max-width:400px;box-shadow:0 8px 30px rgba(2,20,45,.06)}
.auth-card h2{margin:0 0 4px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;margin-bottom:20px}
.brand.light{color:#fff}
.brand-badge{width:34px;height:34px;border-radius:9px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800}
@media(min-width:960px){.auth-hero{display:flex}}

.input{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:10px;font-size:14px;margin:6px 0 4px;outline:none}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,81,0,.15)}
label{font-size:13px;font-weight:600;display:block;margin-top:10px}
.btn{border:0;border-radius:10px;padding:10px 16px;font-weight:600;font-size:14px;background:#eef2f6;color:var(--text)}
.btn:hover{filter:brightness(.97)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-outline{background:#fff;border:1px solid var(--border)}
.btn-ghost{background:transparent}
.btn-sm{padding:7px 12px;font-size:13px}
.alert-err{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;padding:10px 12px;border-radius:10px;margin:12px 0;font-size:14px}
.alert-ok{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0;padding:12px;border-radius:10px;font-size:14px}

/* ---- App shell ---- */
.app{display:flex;height:100vh;overflow:hidden}
.sidebar{width:76px;background:var(--navy);display:flex;flex-direction:column;align-items:center;padding:18px 0;gap:8px}
.logo{width:40px;height:40px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800;font-size:20px;margin-bottom:12px}
.nav{display:flex;flex-direction:column;gap:8px;flex:1}
.nav-btn{position:relative;width:48px;height:48px;border-radius:12px;border:0;background:transparent;color:rgba(255,255,255,.5);font-size:20px;display:grid;place-items:center}
.nav-btn:hover{background:rgba(255,255,255,.1);color:#fff}
.nav-btn.active{background:var(--primary);color:#fff}
.nav-badge{position:absolute;top:-2px;right:-2px;min-width:18px;height:18px;padding:0 4px;border-radius:9px;background:#ef4444;color:#fff;font-size:10px;font-weight:700;display:none;place-items:center;border:2px solid var(--navy)}
.nav-badge.show{display:grid}
.nav-bottom{display:flex;flex-direction:column;align-items:center;gap:10px}
.sound-toggle{background:transparent;border:0;font-size:18px;opacity:.7}
.sound-toggle.off{opacity:.3}
.avatar-sm{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700;border:2px solid rgba(255,255,255,.2)}
.logout{color:rgba(255,255,255,.5);font-size:20px}
.logout:hover{color:#fff}
.main{flex:1;min-width:0;display:flex;overflow:hidden}

/* ---- Generic page ---- */
.page{flex:1;overflow-y:auto;padding:32px}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:22px}
.page h1{font-size:24px;margin:0}
.page .sub{color:var(--muted);margin-top:4px}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-2,.grid-4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px}
.stat .num{font-size:26px;font-weight:800;margin-top:10px}
.stat .lbl{color:var(--muted);font-size:13px}
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;background:#eef2f6;color:var(--muted)}
.badge.green{background:#dcfce7;color:#16a34a}
.badge.ai{background:#eef2ff;color:#4f46e5}
.code{font-family:monospace;font-size:12px;background:#eef2f6;padding:2px 6px;border-radius:6px}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty .ico{width:56px;height:56px;border-radius:16px;background:rgba(255,81,0,.1);color:var(--primary);display:grid;place-items:center;font-size:26px;margin:0 auto 14px}

/* ---- Chats ---- */
.chats{flex:1;display:flex;min-width:0}
.conv-list{width:320px;border-right:1px solid var(--border);background:#fff;display:flex;flex-direction:column}
.conv-head{padding:16px;border-bottom:1px solid var(--border)}
.tabs{display:flex;gap:4px;margin-top:12px}
.tab{flex:1;border:0;background:transparent;color:var(--muted);font-size:12px;font-weight:600;padding:7px;border-radius:8px}
.tab.active{background:rgba(255,81,0,.1);color:var(--primary)}
.conv-scroll{flex:1;overflow-y:auto}
.conv-item{display:flex;gap:12px;padding:13px 16px;border-bottom:1px solid var(--border);cursor:pointer;background:#fff;width:100%;border-left:0;border-right:0;border-top:0;text-align:left}
.conv-item:hover{background:#f8fafc}
.conv-item.active{background:rgba(255,81,0,.07)}
.conv-ava{width:40px;height:40px;border-radius:50%;background:rgba(255,81,0,.1);color:var(--primary);display:grid;place-items:center;font-weight:700;flex-shrink:0}
.conv-main{min-width:0;flex:1}
.conv-name{font-weight:700;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv-last{color:var(--muted);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:2px}
.conv-site{color:var(--muted);font-size:11px;margin-top:3px}
.unread{align-self:center;min-width:20px;height:20px;padding:0 5px;border-radius:10px;background:var(--primary);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center}
.chat-win{flex:1;min-width:0;display:flex;flex-direction:column;background:#f8fafc}
.chat-top{height:62px;border-bottom:1px solid var(--border);background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 20px}
.chat-body{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:14px}
.msg{max-width:70%;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.5}
.msg.agent{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:5px}
.msg.visitor{align-self:flex-start;background:#fff;border:1px solid var(--border);border-bottom-left-radius:5px}
.msg.bot{align-self:flex-start;background:#eef2ff;border:1px solid #e0e7ff;color:#3730a3;border-bottom-left-radius:5px}
.msg-time{font-size:11px;color:var(--muted);margin-top:4px}
.composer{border-top:1px solid var(--border);background:#fff;padding:16px;position:relative}
.composer-row{display:flex;gap:8px;align-items:center}
.composer-input{flex:1;display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:12px;padding:4px 12px}
.composer-input:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,81,0,.12)}
.composer-input input{flex:1;border:0;outline:none;padding:9px 0;font-size:14px}
.zap{background:transparent;border:0;font-size:18px;color:var(--muted)}
.zap.active{color:var(--primary)}
.send-btn{width:44px;height:44px;border-radius:12px;background:var(--primary);color:#fff;border:0;font-size:18px}
.canned-pop{position:absolute;bottom:100%;left:16px;right:16px;margin-bottom:8px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,.12);padding:8px;max-height:220px;overflow-y:auto;z-index:20}
.canned-pop .ci{width:100%;text-align:left;border:0;background:transparent;padding:8px;border-radius:8px}
.canned-pop .ci:hover{background:#f1f5f9}
.canned-pop .sc{color:var(--primary);font-weight:700;font-size:12px}
.canned-pop .tx{display:block;color:var(--muted);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.info-panel{width:290px;border-left:1px solid var(--border);background:#fff;padding:20px;overflow-y:auto}
.info-row{display:flex;gap:10px;margin-top:12px}
.info-row .k{font-size:12px;color:var(--muted)}
.info-row .v{font-weight:600;font-size:14px}
.stars{color:#f59e0b;font-size:16px}
.icon-btn{width:36px;height:36px;border-radius:9px;border:0;background:transparent;font-size:16px;color:var(--muted)}
.icon-btn:hover{background:#f1f5f9}

/* ---- Website cards ---- */
.ws-ava{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;overflow:hidden;font-size:20px}
.ws-ava img{width:100%;height:100%;object-fit:cover}
.row{display:flex;gap:10px;align-items:center}
.spread{display:flex;justify-content:space-between;align-items:center}
.mt{margin-top:14px}
.divider{border-top:1px solid var(--border);margin:14px 0}

/* ---- Modal / toast ---- */
.modal-back{position:fixed;inset:0;background:rgba(15,23,42,.5);display:grid;place-items:center;z-index:50;padding:20px}
.modal{background:#fff;border-radius:16px;padding:24px;width:100%;max-width:520px;max-height:86vh;overflow-y:auto}
.modal h3{margin:0 0 4px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
.swatches{display:flex;gap:8px;margin-top:8px}
.sw{width:34px;height:34px;border-radius:50%;border:2px solid transparent}
.sw.active{border-color:#0f2033;transform:scale(1.1)}
.preset-ava{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.preset-ava button{width:40px;height:40px;border-radius:50%;overflow:hidden;border:2px solid transparent;padding:0}
.preset-ava button.active{border-color:var(--primary)}
.preset-ava img{width:100%;height:100%;object-fit:cover}
.pre{background:var(--navy);color:#e2e8f0;border-radius:12px;padding:14px;font-family:monospace;font-size:12px;overflow-x:auto;white-space:pre;line-height:1.6}
.switch{position:relative;width:42px;height:24px}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;inset:0;background:#cbd5e1;border-radius:999px;transition:.2s}
.slider:before{content:'';position:absolute;width:18px;height:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked+.slider{background:var(--primary)}
.switch input:checked+.slider:before{transform:translateX(18px)}
.toast-root{position:fixed;bottom:20px;right:20px;z-index:100;display:flex;flex-direction:column;gap:10px}
.toast{background:#0f2033;color:#fff;padding:12px 16px;border-radius:10px;font-size:14px;box-shadow:0 8px 30px rgba(0,0,0,.2);animation:tin .2s ease}
@keyframes tin{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}