:root{--navy:#061835;--blue:#1269ff;--cyan:#00c6ff;--orange:#ff7a00;--green:#23c45e;--bg:#f4f7fb;--card:#ffffff;--text:#0f172a}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:radial-gradient(circle at top left,#e8f2ff,transparent 36%),var(--bg);color:var(--text)}.login{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;background:#061835;color:white}.hero{padding:70px;background:linear-gradient(135deg,#020617,#0b2b65);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:auto -100px -120px -100px;height:330px;background:radial-gradient(circle,#1d9bf0,transparent 55%);opacity:.55}.logo{max-width:260px}.login-card{align-self:center;justify-self:center;width:min(440px,92%);background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(18px);border-radius:26px;padding:34px;box-shadow:0 25px 80px #0005}.input{width:100%;padding:14px 16px;border:1px solid #dbe5f1;border-radius:14px;background:white;margin:8px 0 16px}.login .input{background:#071d3d;color:white;border-color:#244467}.btn{border:0;border-radius:14px;padding:12px 18px;background:linear-gradient(90deg,var(--blue),#8b5cf6);color:white;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;gap:8px;align-items:center}.btn.red{background:#ef4444}.app{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,#071a37,#020617);color:white;padding:20px;position:sticky;top:0;height:100vh}.sidebar img{max-width:160px}.nav a{display:block;color:#dbeafe;text-decoration:none;padding:12px 14px;border-radius:14px;margin:6px 0}.nav a:hover,.nav a.active{background:linear-gradient(90deg,#2563eb,#7c3aed);color:white}.main{padding:24px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:rgba(255,255,255,.82);border:1px solid #e8eef7;border-radius:22px;padding:20px;box-shadow:0 15px 40px #0f172a12;backdrop-filter:blur(10px)}.stat{font-size:30px;font-weight:800}.chat{display:grid;grid-template-columns:310px 1fr 330px;gap:16px;height:calc(100vh - 110px)}.list{overflow:auto}.group-item{padding:14px;border-radius:16px;margin-bottom:8px;background:white;border:1px solid #e5edf7}.messages{display:flex;flex-direction:column;background:white;border-radius:22px;overflow:hidden;border:1px solid #e5edf7}.msg-body{flex:1;padding:18px;overflow:auto;background:linear-gradient(#f8fbff,#eef6ff)}.bubble{max-width:72%;background:white;border-radius:18px;padding:12px 14px;margin:10px 0;box-shadow:0 8px 24px #64748b22}.bubble.me{margin-left:auto;background:#dcfce7}.composer{padding:14px;border-top:1px solid #e5edf7;display:flex;gap:10px}.composer input[type=text]{flex:1}.pill{font-size:12px;border-radius:99px;background:#eef2ff;padding:4px 8px;display:inline-block}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px;border-bottom:1px solid #e5e7eb;text-align:left}.modal{position:fixed;inset:0;background:#0008;display:none;align-items:center;justify-content:center}.modal .card{width:min(720px,94%)}@media(max-width:900px){.login{grid-template-columns:1fr}.app{grid-template-columns:1fr}.sidebar{height:auto;position:relative}.grid{grid-template-columns:1fr 1fr}.chat{grid-template-columns:1fr;height:auto}.right{display:none}}