:root{--navy:#10283d;--blue:#2477a8;--teal:#55b7b2;--orange:#ed7847;--paper:#f3f6f6;--line:#e0e7e7;--muted:#778790}*{box-sizing:border-box}body{margin:0;font:14px Arial,sans-serif;color:#1a3040;background:#eef3f2}.hidden{display:none!important}button,input,textarea{font:inherit}button{cursor:pointer}.auth{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#e3efed,#f8f4ee)}.card{width:min(420px,92vw);background:#fff;padding:34px;border-radius:22px;box-shadow:0 20px 70px #16304720;display:grid;gap:16px}.card img{width:100%}.card h1,aside h1{margin:0;font-size:30px}.card h1 i,aside h1 i{color:var(--teal);font-style:normal}.card p{color:var(--muted);margin:0 0 8px}.card label{display:grid;gap:6px;font-size:12px;font-weight:bold}.card input,#createUser input{padding:12px;border:1px solid var(--line);border-radius:10px}.card button,#createUser>button{padding:13px;border:0;border-radius:11px;background:var(--navy);color:#fff;font-weight:bold}.card small{color:#b94b37}.app{display:grid;grid-template-columns:250px 310px 1fr;height:100vh;background:#fff}aside{background:#0c2032;color:#fff;padding:20px 17px;display:flex;flex-direction:column;overflow:auto}.logo{width:100%;border-radius:8px}aside h1{margin:10px 5px 12px}.status-buttons{display:grid;grid-template-columns:repeat(3,1fr);gap:5px}.status-buttons button{background:#17364e;border:1px solid #28465d;color:#b8c4cb;border-radius:9px;padding:8px 2px;font-size:10px}.status-buttons button.active{color:white;border-color:#7791a1}.status-buttons b{display:block;width:9px;height:9px;border-radius:50%;margin:0 auto 5px}.green{background:#48d1a5}.orange{background:#eea440}.red{background:#e35f5f}nav{margin-top:16px}nav>button,#departmentNav button{width:100%;border:0;background:transparent;color:#afbdc5;padding:11px;border-radius:10px;text-align:left;margin:2px 0}nav button.selected,nav button:hover{background:#19364e;color:#fff}nav em{float:right;background:var(--orange);color:#fff;border-radius:10px;padding:2px 6px;font-style:normal}nav h3{font-size:10px;color:#718593;text-transform:uppercase;letter-spacing:.1em;margin:22px 10px 7px}.dept-code{display:inline-grid;place-items:center;width:25px;height:25px;border-radius:7px;color:#fff;font-size:9px;margin-right:9px}.me{margin-top:auto;border-top:1px solid #244158;padding-top:15px;display:flex;align-items:center;gap:9px}.me small{display:block;color:#8fa2ad}.me>button{margin-left:auto;border:0;background:transparent;color:#fff}.avatar{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#4a9da0;color:#fff;font-weight:bold;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.people{background:var(--paper);border-right:1px solid var(--line);padding:25px 16px;overflow:auto}.people header{display:flex;align-items:center;justify-content:space-between}.people header h2{font-size:22px}.people header button{border:0;background:#fff;border-radius:10px;width:36px;height:36px}.people>input{width:100%;padding:12px;border:0;border-radius:11px;margin:5px 0 16px}.person{display:grid;grid-template-columns:42px 1fr auto;gap:10px;align-items:center;padding:10px;border-radius:12px;cursor:pointer}.person:hover,.person.active{background:#fff;box-shadow:0 7px 22px #17304712}.person strong,.person small{display:block}.person small{color:var(--muted);margin-top:3px}.unread{background:var(--teal);color:#fff;border-radius:12px;padding:3px 7px;font-size:10px}main{display:flex;flex-direction:column;min-width:0}main>header{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:15px 25px}main header h2{margin:0 0 4px}main header small{color:var(--muted)}.tile{width:45px;height:45px;border-radius:13px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:bold}.messages{flex:1;overflow:auto;padding:28px max(25px,7vw);background-image:radial-gradient(#dbe7e5 .7px,transparent .7px);background-size:20px 20px}.empty{text-align:center;color:var(--muted);margin-top:20vh}.message-row{display:flex;gap:9px;margin:13px 0;align-items:flex-end}.message-row.mine{justify-content:flex-end}.bubble{max-width:580px;background:#eef3f3;padding:11px 14px;border-radius:5px 15px 15px}.mine .bubble{background:var(--navy);color:#fff;border-radius:15px 5px 15px 15px}.sender{font-size:10px;color:#358f89;font-weight:bold;margin-bottom:4px}.meta{font-size:10px;color:#8b9aa1;margin-top:6px}.mine .meta{color:#adbdc7}.reactions{display:flex;gap:4px;flex-wrap:wrap;margin-top:6px}.reactions button{border:1px solid #d8e2e1;background:#fff;border-radius:8px;padding:3px 6px}.mine .reactions button{background:#1b3a52;color:#fff;border-color:#385368}#composer{display:flex;gap:9px;padding:16px 22px;border-top:1px solid var(--line)}#composer textarea{flex:1;resize:none;padding:13px;border:1px solid var(--line);border-radius:12px}#composer button{width:48px;border:0;border-radius:12px;background:var(--orange);color:#fff}dialog{border:0;border-radius:20px;width:min(760px,94vw);max-height:90vh;padding:28px;box-shadow:0 25px 80px #10283d40}dialog::backdrop{background:#07192590}.dialog-close{float:right;border:0;border-radius:8px;font-size:20px}.dialog-user{display:grid;grid-template-columns:40px 1fr auto;gap:10px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line)}.dialog-user small{display:block;color:var(--muted);margin-top:3px}.actions{display:flex;gap:5px}.actions button{border:0;border-radius:8px;padding:7px;font-size:11px}.invite{background:#e5f4f0;color:#28756e}.danger{background:#fff0eb;color:#b74f30}#createUser{display:grid;grid-template-columns:1fr 1fr;gap:9px;background:var(--paper);padding:14px;border-radius:12px}#departmentChecks{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap}#departmentChecks label{font-size:11px}.notification{position:fixed;right:24px;bottom:24px;width:min(350px,calc(100vw - 40px));background:#fff;border-left:4px solid var(--teal);border-radius:14px;box-shadow:0 15px 50px #10283d30;padding:13px;display:grid;grid-template-columns:42px 1fr auto;gap:10px;align-items:center;z-index:20}.notification p,.notification small{margin:3px 0;color:var(--muted)}.notification button{border:0;background:transparent}@media(max-width:900px){.app{grid-template-columns:90px 280px 1fr}aside .logo{height:42px;object-fit:cover;object-position:left}aside h1,.status-buttons button{font-size:0}.status-buttons{grid-template-columns:1fr}nav button{font-size:0}.dept-code{margin:0}.me div,.me>button{display:none}}@media(max-width:650px){.app{grid-template-columns:1fr}.people,aside{display:none}main>header{height:70px}.messages{padding:18px 12px}}