:root{--red:#d71920;--dark:#101828;--bg:#f4f6f9;--green:#12a150}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:system-ui,-apple-system,Segoe UI,Arial;color:var(--dark)}a{color:var(--red);text-decoration:none}header{background:#fff;border-bottom:3px solid var(--red);position:sticky;top:0;z-index:3}.wrap{max-width:1050px;margin:auto;padding:18px}.narrow{max-width:560px}.nav{display:flex;justify-content:space-between;align-items:center}.nav b{font-size:25px;color:var(--red)}.nav a{margin-left:16px}.hero{text-align:center;padding:42px 20px;background:linear-gradient(135deg,#7c0000,var(--red));color:#fff;border-radius:18px;margin:20px 0}.hero h1{font-size:40px;margin:0}.card{background:#fff;border-radius:16px;padding:22px;margin:18px 0;box-shadow:0 8px 25px #10182812}.grid{display:grid;grid-template-columns:1fr 1.2fr;gap:20px}.grid .card{margin:10px 0}label{display:block;font-weight:650;margin:14px 0}input,textarea{display:block;width:100%;padding:12px;border:1px solid #ccd2da;border-radius:9px;margin-top:6px;font:inherit}button{border:0;background:var(--red);color:#fff;padding:11px 18px;border-radius:9px;font-weight:700;cursor:pointer}.small{padding:6px 10px}.danger{background:#9d1622}.center{text-align:center}.meta{color:#667085;font-size:13px}.post .body{line-height:1.65;margin-top:16px}.postrow{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid #eee}.success,.error{padding:11px;border-radius:8px}.success{background:#e8fff0;color:#087438}.error{background:#fff0f0;color:#a40000}.chatcard{display:flex;flex-direction:column;min-height:650px}.people{display:flex;gap:8px;overflow:auto;margin-bottom:14px}.person{display:flex;align-items:center;gap:7px;padding:9px 13px;border:1px solid #e1e4ea;border-radius:20px;color:var(--dark);white-space:nowrap}.person.active{background:var(--red);color:#fff;border-color:var(--red)}.presence-dot{width:9px;height:9px;border-radius:50%;background:#9aa2af}.online-dot{background:#19b45b;box-shadow:0 0 0 3px #19b45b22}.chathead{display:flex;align-items:center;justify-content:space-between;gap:10px}.chathead h2{margin:0}.chathead .online{color:#079447;font-weight:700}.call-button{background:#087f5b;white-space:nowrap}.messages{height:500px;overflow:auto;background:#e7e8ea;padding:15px;border-radius:12px;margin:12px 0;display:flex;flex-direction:column;gap:10px}.msg{max-width:82%;padding:10px 12px;border-radius:14px;background:#fff;position:relative}.mine{align-self:flex-end;background:#d9fdd3}.theirs{align-self:flex-start}.msg small{display:block;color:#667085;font-size:10px;text-align:right;margin-top:4px}.dots{display:none;position:absolute;top:100%;right:0;z-index:2;background:#fff;padding:5px;box-shadow:0 3px 14px #0002;border-radius:8px;white-space:nowrap}.msg:hover .dots{display:block}.dots button{font-size:11px;padding:6px;margin:2px}.chatimg{display:block;max-width:100%;max-height:300px;border-radius:10px;margin-bottom:7px}.chatinput{display:flex;gap:8px;align-items:center}.chatinput input{margin:0}.chatinput button{width:90px}.attach{margin:0;display:flex;width:46px;height:46px;align-items:center;justify-content:center;background:#eef1f5;border-radius:50%;font-size:21px;cursor:pointer;flex:none}.attach input{display:none}.filename{color:#667085;padding:5px 3px}footer{text-align:center;padding:35px;color:#667085}.call-overlay{position:fixed;inset:0;background:#07111dcc;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}.call-overlay[hidden]{display:none}.call-panel{width:min(92vw,390px);background:#fff;border-radius:24px;text-align:center;padding:30px 22px;box-shadow:0 20px 70px #0008}.call-lock{font-size:34px}.call-panel h2{margin:8px 0}.call-peer{font-size:24px;font-weight:800;color:var(--red)}.call-panel p{min-height:24px;color:#59636f}.call-actions{display:flex;justify-content:center;gap:14px;margin:22px 0}.call-actions[hidden]{display:none}.accept-call{background:#079447}.end-call{background:#c51e2a}.mute-call{background:#59636f}.call-panel small{display:block;color:#667085}.call-panel audio{display:none}@media(max-width:760px){.grid{grid-template-columns:1fr}.chatcard{min-height:600px}.messages{height:430px}.hero h1{font-size:32px}.wrap{padding:12px}.msg .dots{display:block;position:static;box-shadow:none;background:transparent;padding:3px 0 0}.dots button{background:#59636f}}@media(max-width:480px){.chathead{align-items:flex-start}.call-button{padding:9px 11px;font-size:12px}}