:root{
  --bg:#0b1120;--panel:#131b2e;--panel2:#18223a;--line:#243049;--text:#e5eaf5;--muted:#8a97b3;
  --blue:#3b82f6;--purple:#8b5cf6;--green:#22c55e;--red:#ef4444;--yellow:#f59e0b;--cyan:#06b6d4;--orange:#f97316;
  --grad:linear-gradient(135deg,#4f7cff,#8b5cf6);--radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:Inter,system-ui,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.45}
a{color:#7aa2ff;text-decoration:none}
h1,h2,h3{margin:0}
.app{display:flex;min-height:100vh}
.sidebar{width:262px;background:#0e1527;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:16px 12px;position:sticky;top:0;height:100vh;flex-shrink:0;overflow-y:auto}
.brand{display:flex;gap:12px;align-items:center;padding:4px 8px 18px}
.brand .logo{width:40px;height:40px;border-radius:12px;background:var(--grad);display:grid;place-items:center;font-size:22px;color:#fff}
.brand b{font-size:17px;display:block}.brand small{color:var(--muted);font-size:11px}
nav{flex:1}
.nav-item{display:flex;gap:12px;align-items:center;padding:10px 12px;border-radius:12px;color:var(--text);margin-bottom:4px;position:relative}
.nav-item i{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:#16203a;color:#9db4ff;font-size:15px;flex-shrink:0}
.nav-item span{display:flex;flex-direction:column;min-width:0}
.nav-item b{font-weight:600;font-size:13.5px}.nav-item small{color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item:hover{background:#141d35}
.nav-item.active{background:linear-gradient(135deg,#3b6cf0,#2f5fe0);box-shadow:0 6px 18px rgba(59,108,240,.35)}
.nav-item.active i{background:rgba(255,255,255,.18);color:#fff}.nav-item.active small{color:#d5e0ff}
.nav-item.logout{margin-top:8px;border-top:1px solid var(--line);border-radius:0 0 12px 12px;padding-top:14px}
.pill{margin-left:auto;background:var(--red);color:#fff;font-style:normal;font-size:11px;font-weight:700;padding:2px 7px;border-radius:99px}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:14px;padding:14px 24px;border-bottom:1px solid var(--line);background:#0e1527;position:sticky;top:0;z-index:20}
.topbar h1{font-size:19px}.topbar p{margin:2px 0 0;color:var(--muted);font-size:12px}
.top-right{margin-left:auto}
.icon-btn{display:none;background:var(--panel);border:1px solid var(--line);color:var(--text);width:38px;height:38px;border-radius:10px;cursor:pointer}
.chip{font-size:12px;padding:6px 12px;border-radius:99px;border:1px solid var(--line);display:inline-flex;gap:6px;align-items:center}
.chip.ok{color:#4ade80;border-color:#14532d;background:#0d2a1b}.chip.warn{color:#fbbf24;border-color:#5c3d0a;background:#2a1e08}
.content{padding:24px;flex:1}
.hero{background:linear-gradient(120deg,#5b6ee1,#7d4fc0);border-radius:var(--radius);padding:30px;display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.hero h2{font-size:28px;margin-bottom:6px}.hero p{margin:0;opacity:.9}
.hero .ic{width:80px;height:80px;border-radius:20px;background:rgba(255,255,255,.18);display:grid;place-items:center;font-size:36px}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.g-main{grid-template-columns:1.4fr 1fr}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.card h3{font-size:15px;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.stat{display:flex;justify-content:space-between;align-items:center}
.stat small{color:var(--muted);display:block;margin-bottom:6px}.stat b{font-size:28px}.stat span{font-size:12px;color:#4ade80}
.stat .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:18px;color:#fff}
.ic-blue{background:#3b82f6}.ic-green{background:#22c55e}.ic-purple{background:#8b5cf6}.ic-orange{background:#f97316}.ic-red{background:#ef4444}.ic-cyan{background:#06b6d4}.ic-pink{background:#ec4899}
.quick{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.quick a{border-radius:14px;padding:16px 8px;text-align:center;color:#fff;font-weight:600;font-size:13px;display:flex;flex-direction:column;gap:10px;align-items:center}
.quick a i{font-size:22px}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:10px;padding:9px 16px;font:600 13px Inter,sans-serif;cursor:pointer;background:var(--grad);color:#fff;transition:.15s;white-space:nowrap}
.btn:hover{filter:brightness(1.1)}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.sec{background:var(--panel2);border:1px solid var(--line);color:var(--text)}
.btn.danger{background:#7f1d1d;color:#fecaca}.btn.green{background:#15803d}.btn.sm{padding:5px 10px;font-size:12px;border-radius:8px}
label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px;font-weight:600}
input,select,textarea{width:100%;background:#0d1426;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:10px 12px;font:14px Inter,sans-serif;outline:none}
input:focus,select:focus,textarea:focus{border-color:#4f7cff;box-shadow:0 0 0 3px rgba(79,124,255,.18)}
input[type=checkbox],input[type=radio]{width:auto}
textarea{resize:vertical;min-height:90px}
.fg{margin-bottom:14px}.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:160px}
.help{font-size:12px;color:var(--muted);margin-top:4px}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;white-space:nowrap}
tr:hover td{background:rgba(255,255,255,.015)}
.tbl-wrap{overflow-x:auto}
.badge{display:inline-block;padding:3px 10px;border-radius:99px;font-size:11.5px;font-weight:600;text-transform:capitalize}
.b-green{background:#0d2a1b;color:#4ade80}.b-red{background:#2f1010;color:#f87171}.b-yellow{background:#2a1e08;color:#fbbf24}
.b-blue{background:#0f2147;color:#7aa2ff}.b-gray{background:#1d2740;color:#9aa8c7}.b-purple{background:#25173f;color:#c4a1ff}.b-cyan{background:#082a33;color:#22d3ee}
.alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;border:1px solid}
.a-ok{background:#0d2a1b;border-color:#14532d;color:#86efac}.a-err{background:#2f1010;border-color:#7f1d1d;color:#fca5a5}.a-info{background:#0f2147;border-color:#1e3a8a;color:#93c5fd}
.empty{text-align:center;color:var(--muted);padding:32px 10px}.empty i{font-size:34px;display:block;margin-bottom:10px;opacity:.6}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}.toolbar .sp{flex:1}
.toolbar input,.toolbar select{width:auto;min-width:180px}
.pager{display:flex;gap:6px;margin-top:14px;justify-content:center}
.pager a{padding:6px 12px;border-radius:8px;background:var(--panel2);border:1px solid var(--line);color:var(--text)}.pager a.on{background:var(--blue);border-color:var(--blue)}
.modal-bg{position:fixed;inset:0;background:rgba(3,7,18,.7);display:none;align-items:center;justify-content:center;z-index:100;padding:16px}
.modal-bg.open{display:flex}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:16px;width:100%;max-width:520px;max-height:92vh;overflow:auto;padding:22px}
.modal.lg{max-width:760px}.modal h3{margin-bottom:16px;font-size:17px}
.modal .acts{display:flex;gap:10px;justify-content:flex-end;margin-top:16px}
.progress{height:10px;background:#0d1426;border-radius:99px;overflow:hidden;border:1px solid var(--line)}
.progress>i{display:block;height:100%;background:var(--grad);width:0;transition:width .4s}
.toast-wrap{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:200}
.toast{background:var(--panel2);border:1px solid var(--line);padding:11px 16px;border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.4);max-width:340px}
.toast.err{border-color:#7f1d1d;color:#fca5a5}.toast.ok{border-color:#14532d;color:#86efac}
.bars{display:flex;gap:12px;align-items:flex-end;height:150px;padding-top:10px}
.bars div{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:6px;font-size:11px;color:var(--muted)}
.bars i{display:block;width:100%;max-width:38px;border-radius:8px 8px 0 0;background:var(--grad);min-height:3px}
code,.mono{font-family:Consolas,monospace;background:#0d1426;border:1px solid var(--line);padding:2px 7px;border-radius:6px;font-size:12.5px;word-break:break-all}
.copy-row{display:flex;gap:8px}.copy-row input{font-family:Consolas,monospace;font-size:12.5px}
/* WhatsApp bubble / preview */
.wa-bg{background:#0b141a;border-radius:14px;padding:16px;background-image:radial-gradient(#16222b 1px,transparent 1px);background-size:18px 18px}
.bubble{background:#005c4b;color:#e9f5f1;border-radius:10px 10px 10px 2px;padding:8px 10px;max-width:340px;font-size:13.5px;white-space:pre-wrap;word-wrap:break-word}
.bubble .hd{font-weight:700;margin-bottom:6px}.bubble .ft{color:#9fc7bd;font-size:11.5px;margin-top:6px}
.bubble .media-ph{background:#0b3a32;border-radius:8px;height:120px;display:grid;place-items:center;margin-bottom:6px;color:#7fb5a9;font-size:26px}
.bubble .btns{margin:8px -10px -8px;border-top:1px solid #0b4a3f}.bubble .btns div{text-align:center;padding:8px;color:#53bdeb;border-bottom:1px solid #0b4a3f;font-weight:600}.bubble .btns div:last-child{border-bottom:0}
/* Inbox */
.inbox{display:grid;grid-template-columns:340px 1fr;height:calc(100vh - 140px);min-height:520px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.conv-list{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.conv-top{padding:12px;border-bottom:1px solid var(--line);display:flex;gap:8px}
.conv-scroll{overflow-y:auto;flex:1}
.conv{display:flex;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line);cursor:pointer;align-items:center}
.conv:hover{background:#151f38}.conv.on{background:#1a2748}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:700;flex-shrink:0;color:#fff}
.conv .meta{min-width:0;flex:1}.conv .meta b{display:flex;justify-content:space-between;gap:8px;font-size:13.5px}
.conv .meta b small{color:var(--muted);font-weight:400;font-size:11px;white-space:nowrap}
.conv .meta p{margin:2px 0 0;color:var(--muted);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;justify-content:space-between;gap:6px}
.conv .meta p em{font-style:normal;background:var(--green);color:#052e16;font-weight:700;border-radius:99px;font-size:11px;padding:1px 7px}
.chat{display:flex;flex-direction:column;min-height:0;min-width:0}
.chat-head{padding:12px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
.chat-head .info{flex:1;min-width:0}.chat-head small{color:var(--muted)}
.msgs{flex:1;overflow-y:auto;padding:18px;background:#0b141a;background-image:radial-gradient(#15202a 1px,transparent 1px);background-size:20px 20px;display:flex;flex-direction:column;gap:6px}
.m{max-width:70%;padding:7px 10px 5px;border-radius:10px;font-size:13.8px;white-space:pre-wrap;word-wrap:break-word;position:relative}
.m.in{background:#202c33;align-self:flex-start;border-top-left-radius:2px}
.m.out{background:#005c4b;align-self:flex-end;border-top-right-radius:2px}
.m .t{display:block;text-align:right;font-size:10.5px;color:#9fb3bd;margin-top:3px}
.m .t i{margin-left:4px}.m .t i.read{color:#53bdeb}.m .t i.failed{color:#f87171}
.m img,.m video{max-width:100%;border-radius:8px;display:block;margin-bottom:4px;max-height:300px}
.m .err{color:#fca5a5;font-size:11.5px;margin-top:3px}
.m .tag{font-size:10.5px;color:#7fd1b9;font-weight:600;margin-bottom:2px;display:block}
.day{align-self:center;background:#182229;color:#8696a0;font-size:11.5px;padding:3px 12px;border-radius:8px;margin:8px 0}
.composer{border-top:1px solid var(--line);padding:12px;display:flex;gap:10px;align-items:flex-end;background:var(--panel)}
.composer textarea{min-height:44px;max-height:140px;flex:1;border-radius:22px;padding:11px 16px}
.composer .btn{border-radius:50%;width:44px;height:44px;padding:0;justify-content:center}
.win-warn{background:#2a1e08;color:#fbbf24;padding:9px 16px;font-size:12.5px;border-top:1px solid #5c3d0a;display:flex;gap:10px;align-items:center;justify-content:space-between}
.no-chat{margin:auto;color:var(--muted);text-align:center}.no-chat i{font-size:48px;opacity:.4;display:block;margin-bottom:10px}
.back-btn{display:none}
@media(max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g-main,.g3{grid-template-columns:1fr}}
@media(max-width:860px){
  .sidebar{position:fixed;left:-290px;z-index:60;transition:.25s;width:270px}.sidebar.open{left:0;box-shadow:0 0 0 100vmax rgba(0,0,0,.55)}
  .icon-btn{display:block}.content{padding:14px}.g2,.g4{grid-template-columns:1fr}.hero{flex-direction:column;align-items:flex-start;gap:14px}
  .inbox{grid-template-columns:1fr;height:calc(100vh - 120px)}.inbox .chat{display:none}.inbox.show-chat .conv-list{display:none}.inbox.show-chat .chat{display:flex}
  .back-btn{display:inline-flex}.m{max-width:86%}
}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 20% 0%,#1d2a5c,transparent 50%),var(--bg)}
.login-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:30px}
.login-card .logo{width:54px;height:54px;border-radius:15px;background:var(--grad);display:grid;place-items:center;font-size:28px;color:#fff;margin:0 auto 14px}