:root{--bg:#070a14;--card:rgba(14,22,40,.78);--card2:rgba(8,14,28,.92);--line:rgba(139,167,255,.22);--text:#edf3ff;--muted:#9fb0d0;--blue:#6aa8ff;--cyan:#55f4ff;--green:#77ffb2;--pink:#ff6ee7;--danger:#ff7575;--shadow:0 28px 90px rgba(0,0,0,.45)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:radial-gradient(circle at top left,#132148 0,#070a14 38%,#04060d 100%);color:var(--text);overflow-x:hidden}.grid-bg{position:fixed;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,black,transparent 85%);pointer-events:none}.orb{position:fixed;width:360px;height:360px;border-radius:50%;filter:blur(60px);opacity:.34;pointer-events:none}.orb-a{background:var(--blue);top:-80px;left:-80px}.orb-b{background:var(--pink);right:-120px;bottom:40px}.shell{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:28px;max-width:1180px;margin:0 auto;padding:52px 22px}.hero-panel,.chat-card,.login-card,.admin-card{border:1px solid var(--line);background:linear-gradient(145deg,rgba(18,28,52,.82),rgba(8,12,25,.76));box-shadow:var(--shadow);backdrop-filter:blur(18px);border-radius:30px}.hero-panel{padding:38px}.brand-row{display:flex;align-items:center;gap:14px}.brand-row span{display:block;color:var(--muted);font-size:13px}.logo-mark{width:56px;height:56px;border-radius:18px;background:rgba(255,255,255,.08);display:grid;place-items:center;overflow:hidden;border:1px solid rgba(255,255,255,.18);box-shadow:0 12px 35px rgba(85,244,255,.18)}
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104px);min-height:660px;display:flex;flex-direction:column;overflow:hidden}.chat-head{height:74px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:13px;padding:0 18px;background:rgba(255,255,255,.035)}.avatar{width:44px;height:44px;border-radius:16px;background:linear-gradient(135deg,#18284c,#0b1328);display:grid;place-items:center;border:1px solid var(--line)}.avatar span{width:18px;height:18px;border-radius:50%;background:var(--cyan);box-shadow:0 0 25px var(--cyan)}.chat-head small{display:block;color:var(--muted)}.admin-link{margin-left:auto;text-decoration:none;color:#c8d7ff;border:1px solid var(--line);padding:8px 12px;border-radius:12px}.chat-messages{flex:1;overflow:auto;padding:18px;scroll-behavior:smooth}.msg{display:flex;margin:12px 0}.msg.user{justify-content:flex-end}.bubble{max-width:82%;padding:13px 15px;border-radius:18px;line-height:1.55;white-space:pre-wrap}.bot .bubble{background:rgba(255,255,255,.07);border:1px solid var(--line);border-top-left-radius:6px}.user .bubble{background:linear-gradient(135deg,var(--blue),#7f6fff);color:white;border-top-right-radius:6px}.typing{opacity:.75}.chat-form{display:flex;gap:10px;padding:16px;border-top:1px solid var(--line);background:rgba(4,7,14,.72)}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.065);color:var(--text);padding:14px 15px;outline:none}input:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(85,244,255,.12)}button,.btn{border:0;border-radius:16px;padding:14px 18px;font-weight:800;cursor:pointer;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#04111f;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.privacy-note{margin:0;padding:0 18px 16px;color:var(--muted);font-size:12px}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:22px}.login-card{width:min(460px,100%);padding:28px}.login-card h1{font-size:36px;letter-spacing:-1px;color:var(--text);background:none}.error{color:#ffd4d4;background:rgba(255,117,117,.11);border:1px solid rgba(255,117,117,.25);padding:12px;border-radius:14px}.admin-layout{display:grid;grid-template-columns:260px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--line);background:rgba(5,9,18,.86);padding:22px;position:sticky;top:0;height:100vh}.sidebar a{display:block;color:var(--muted);text-decoration:none;padding:12px;border-radius:14px;margin:6px 0}.sidebar a.active,.sidebar a:hover{color:var(--text);background:rgba(255,255,255,.075)}.admin-main{padding:28px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}.stat{padding:18px;border:1px solid var(--line);border-radius:22px;background:var(--card)}.stat b{font-size:28px;display:block}.stat span{color:var(--muted);font-size:13px}.admin-card{padding:18px;overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}th{color:#cfe0ff;font-size:13px}td{color:#eaf1ff}.tag{display:inline-block;padding:5px 9px;border-radius:999px;background:rgba(119,255,178,.12);border:1px solid rgba(119,255,178,.22);color:#caffdf;font-size:12px}.tag.warm{background:rgba(255,217,102,.12);border-color:rgba(255,217,102,.22);color:#ffe89d}.tag.cold{background:rgba(159,176,208,.12);border-color:rgba(159,176,208,.22);color:#cbd6ea}.actions{display:flex;gap:8px;flex-wrap:wrap}.mini{padding:8px 10px;border-radius:11px;font-size:12px}.danger{background:linear-gradient(135deg,#ff8f8f,#ff6767)}@media(max-width:900px){.shell{grid-template-columns:1fr;padding-top:22px}.chat-card{height:720px;min-height:620px}.admin-layout{grid-template-columns:1fr}.sidebar{height:auto;position:relative}.cards{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.metric-grid,.cards{grid-template-columns:1fr}.hero-panel{padding:24px}.chat-card{border-radius:24px}.bubble{max-width:94%}}