:root{--teal:#3a6260;--teal-dark:#2c4b49;--teal-light:#eaf1f0;--creme:#f5f0dc;--ink:#1f2a29;--muted:#6b7a78;--card:#fff;--border:#e3e8e7;--green:#3e8e5a;--amber:#d99c2b;--red:#c4543f}*{margin:0;padding:0;box-sizing:border-box;font-family:IBM Plex Sans,sans-serif}body{background:#f7f6f1;color:var(--ink);min-height:100vh}.login-wrap{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:40px 36px;width:100%;max-width:400px;box-shadow:0 6px 30px rgba(31,42,41,.08)}.login-logo{font-size:26px;font-weight:700;letter-spacing:2px;color:var(--teal);margin-bottom:6px}.login-logo span{color:var(--amber)}.login-sub{color:var(--muted);font-size:14px;margin-bottom:28px}.login-card label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--ink)}.login-card input[type=email]{width:100%;font-size:14.5px;padding:11px 12px;border-radius:9px;border:1px solid var(--border);margin-bottom:18px;color:var(--ink)}.login-card input[type=email]:focus{outline:2px solid var(--teal-light);border-color:var(--teal)}.btn-primary{width:100%;background:var(--teal);color:#fff;border:none;font-weight:600;font-size:15px;padding:12px;border-radius:9px;cursor:pointer;font-family:inherit}.btn-primary:hover{background:var(--teal-dark)}.login-foot{margin-top:22px;font-size:12px;color:var(--muted);text-align:center;line-height:1.6}.login-note{margin-top:14px;font-size:11.5px;color:#a89a6a;background:var(--creme);border-radius:8px;padding:9px 11px;text-align:center}.app-shell{display:flex;min-height:100vh}.sidebar{width:230px;background:var(--teal);color:#fff;display:flex;flex-direction:column;position:fixed;top:0;bottom:0}.logo{padding:24px 22px 18px;font-size:20px;font-weight:700;letter-spacing:2px}.logo span{color:var(--creme)}.nav{flex:1 1;padding:8px 12px}.nav-item{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:8px;cursor:pointer;font-size:14.5px;color:hsla(0,0%,100%,.85);margin-bottom:4px;transition:background .15s}.nav-item:hover{background:hsla(0,0%,100%,.1)}.nav-item.active{background:hsla(0,0%,100%,.16);color:#fff;font-weight:600}.nav-item .ic{width:20px;text-align:center;font-size:16px}.sidebar-foot{padding:16px 22px;font-size:12px;color:hsla(0,0%,100%,.55);border-top:1px solid hsla(0,0%,100%,.12)}.main{margin-left:230px;flex:1 1;display:flex;flex-direction:column}.topbar{background:#fff;border-bottom:1px solid var(--border);padding:14px 32px;display:flex;align-items:center;gap:16px;position:-webkit-sticky;position:sticky;top:0;z-index:10}.content{padding:28px 32px 48px;max-width:1240px;width:100%}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px}h1{font-size:21px;font-weight:600;margin-bottom:4px}.sub{font-size:13.5px;color:var(--muted);margin-bottom:22px}