:root{--bg:#ffffff;--bg-soft:#f5f5f7;--hairline:#d2d2d7;--muted:#86868b;--blue:#0071e3;--blue-hover:#0077ed;--radius:18px;--danger:#b42318;--danger-bg:#fdecea}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-soft);color:var(--ink);min-height:100vh;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}.auth-wrap{align-items:center;padding:1rem}.auth-wrap,.public-wrap{min-height:100vh;display:flex;justify-content:center}.public-wrap{align-items:flex-start;padding:2rem 1rem}.public-wrap .auth-card{max-width:460px}.btn-danger{background:var(--danger);margin-bottom:.5rem}.btn-danger:hover{background:#c73a2c}.auth-card{background:var(--bg);border:1px solid var(--hairline);border-radius:var(--radius);box-shadow:0 8px 30px rgba(0,0,0,.06);padding:2.25rem;width:100%;max-width:400px}.auth-card .logo{height:36px;display:block;margin-bottom:1.75rem;color:var(--ink)}.auth-card .subtitle{color:var(--muted);font-size:.9rem;margin-bottom:1.5rem}.field{margin-bottom:1rem}.field label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:.4rem}.field input{width:100%;padding:.65rem .85rem;border-radius:12px;border:1px solid var(--hairline);background:var(--bg);color:var(--ink);font-size:.95rem;font-family:inherit;transition:border-color .2s,box-shadow .2s}.field input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,113,227,.15)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 18px;border-radius:980px;font-size:.9rem;font-weight:500;color:#fff;background:var(--blue);border:none;transition:background .2s;white-space:nowrap;width:100%}.btn:hover{background:var(--blue-hover)}.btn:disabled{opacity:.6;cursor:not-allowed}.error{background:var(--danger-bg);border:1px solid #f5b3ac;color:var(--danger);border-radius:12px;padding:.6rem .85rem;font-size:.85rem;margin-bottom:1rem}.slot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));grid-gap:.5rem;gap:.5rem;margin:.5rem 0}.slot-grid .btn{font-size:.8rem;padding:7px 10px}.slot-grid .btn-selected{background:#1d1d1f}.slot-grid .btn-selected:hover{background:#2c2c2e}.app{display:flex;min-height:100vh}.scrim,.topbar{display:none}.hamburger{display:flex;align-items:center;justify-content:center;background:none;border:none;color:var(--ink);padding:.25rem}.hamburger svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}.sidebar{width:240px;background:var(--bg);border-right:1px solid var(--hairline);padding:1.5rem .9rem;flex-shrink:0;position:-webkit-sticky;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}.sidebar .logo{height:26px;display:block;margin:0 .5rem 1.5rem;color:var(--ink)}.sidebar nav{flex:1 1}.sidebar nav a{display:flex;align-items:center;gap:10px;padding:.4rem .55rem;border-radius:12px;color:#424245;font-size:.9rem;margin-bottom:2px;transition:background .15s,color .15s}.sidebar nav a:hover{background:var(--bg-soft);color:var(--ink);text-decoration:none}.sidebar nav a.active{background:transparent;color:var(--blue);font-weight:500}.sidebar nav a .icon{width:30px;height:30px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:9px;background:var(--bg-soft);border:1px solid var(--hairline);transition:background .15s,border-color .15s,color .15s}.sidebar nav a .icon svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.sidebar nav a .icon svg .accent{fill:var(--blue);stroke:none}.sidebar nav a:hover .icon{background:var(--bg)}.sidebar nav a.active .icon{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 4px 12px rgba(0,113,227,.35)}.sidebar nav a.active .icon svg .accent{fill:#fff;stroke:none}.sidebar .logout{margin-top:1rem;padding:.55rem .85rem;width:100%;text-align:left;background:none;border:1px solid var(--hairline);border-radius:12px;color:var(--danger);font-size:.9rem;transition:background .15s}.sidebar .logout:hover{background:var(--danger-bg)}.main{flex:1 1;padding:2rem;max-width:1100px;min-width:0}.main h1{font-size:1.5rem;font-weight:600;letter-spacing:-.01em;margin-bottom:1.5rem}.card{background:var(--bg);border:1px solid var(--hairline);border-radius:var(--radius);padding:1.5rem;margin-bottom:1rem}.card h2{font-size:1.05rem;font-weight:600;margin-bottom:.5rem}.card p{color:var(--muted);font-size:.9rem;margin-bottom:.75rem;line-height:1.5}.card p:last-child{margin-bottom:0}.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:1rem;gap:1rem}.grid-2 .card{margin-bottom:0}table{width:100%;border-collapse:collapse;font-size:.9rem}td,th{text-align:left;padding:.7rem .85rem;border-bottom:1px solid var(--hairline)}th{color:var(--muted);font-weight:500;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}tbody tr:hover{background:var(--bg-soft)}.inline-form{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}.inline-form input{padding:.55rem .85rem;border-radius:12px;border:1px solid var(--hairline);background:var(--bg);color:var(--ink);font-size:.9rem;font-family:inherit;transition:border-color .2s,box-shadow .2s}.inline-form input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,113,227,.15)}.inline-form .btn{width:auto;padding:.55rem 1.2rem}.muted{color:var(--muted);font-size:.85rem}.chip{display:inline-block;padding:2px 10px;border-radius:980px;background:rgba(0,113,227,.1);color:var(--blue);font-size:.75rem;font-weight:500}.conv-layout{display:grid;grid-template-columns:300px 1fr;grid-gap:1rem;gap:1rem;align-items:start}.conv-layout>*{min-width:0}.conv-layout.has-customer{grid-template-columns:300px 1fr 260px}.conv-customer{position:-webkit-sticky;position:sticky;top:1rem}.conv-list{background:var(--bg);border:1px solid var(--hairline);border-radius:var(--radius);padding:.5rem;display:flex;flex-direction:column;gap:.25rem;max-height:70vh;overflow-y:auto}.conv-item{width:100%;text-align:left;background:none;border:none;border-radius:12px;padding:.7rem .85rem;color:var(--ink);transition:background .15s}.conv-item:hover{background:var(--bg-soft)}.conv-item.active{background:rgba(0,113,227,.1)}.conv-item-top{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.2rem}.conv-name{font-weight:600;font-size:.9rem}.conv-meta{color:var(--muted);font-size:.78rem}.conv-warn{margin-top:.25rem;color:#b45309;font-size:.72rem}.conv-thread{display:flex;flex-direction:column;min-height:70vh;margin-bottom:0}.thread-head{display:flex;align-items:baseline;gap:.75rem;padding-bottom:.75rem;border-bottom:1px solid var(--hairline);margin-bottom:.75rem}.thread-body{flex:1 1;display:flex;flex-direction:column;gap:.5rem;overflow-y:auto;padding:.25rem 0;max-height:52vh}.msg{max-width:75%;padding:.6rem .9rem;border-radius:14px;background:var(--bg-soft);font-size:.9rem;line-height:1.45}.msg.mine{align-self:flex-end;background:var(--blue);color:#fff}.msg-meta{font-size:.7rem;color:var(--muted);margin-top:.3rem}.msg.mine .msg-meta{color:rgba(255,255,255,.75)}.reply-form{display:flex;gap:.5rem;margin-top:.75rem;padding-top:.75rem;border-top:1px solid var(--hairline)}.reply-form input{flex:1 1;padding:.6rem .9rem;border-radius:980px;border:1px solid var(--hairline);background:var(--bg);color:var(--ink);font-size:.9rem;font-family:inherit}.reply-form input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,113,227,.15)}.reply-form .btn{width:auto;padding:.6rem 1.5rem;border-radius:980px}@media (max-width:860px){.app{flex-direction:column}.topbar{display:flex;align-items:center;gap:.75rem;background:var(--bg);border-bottom:1px solid var(--hairline);padding:.7rem 1rem;position:-webkit-sticky;position:sticky;top:0;z-index:40;width:100%;box-sizing:border-box}.topbar .logo{height:22px;display:block;color:var(--ink)}.sidebar{position:fixed;top:0;bottom:0;left:0;z-index:50;transform:translateX(-100%);transition:transform .25s ease;box-shadow:0 0 40px rgba(0,0,0,.25)}.sidebar.open{transform:translateX(0)}.sidebar .desktop-logo{display:none}.scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:45}.main{padding:1.25rem 1rem;max-width:none}.main h1{font-size:1.3rem}.conv-layout,.grid-2{grid-template-columns:1fr}.conv-thread{min-height:65vh}.card{overflow-x:auto}table{min-width:480px}.inline-form input{flex:1 1 100%}.field input,.inline-form input,.reply-form input{font-size:16px}.auth-card{padding:1.5rem}}:root{--brand:#0071e3;--brand-hover:#0077ed;--ink:#1d1d1f;--muted2:#6e6e73;--line:#d2d2d7;--surface:#ffffff;--surface-soft:#f5f5f7;--ok:#1a7a44;--ok-bg:#e7f7ee;--warn:#8a6100;--warn-bg:#fef7e6}.msg-ok{background:#e7f7ee;border:1px solid #9fdcb8;color:var(--ok);border-radius:12px}.msg-ok,.msg-warn{padding:.6rem .9rem;font-size:.87rem;margin-bottom:1rem}.msg-warn{background:var(--warn-bg);border:1px solid #f5d38a;color:var(--warn);border-radius:12px}.msg-error{background:var(--danger-bg);border:1px solid #f5b3ac;color:var(--danger);border-radius:12px;padding:.6rem .9rem;font-size:.87rem;margin-bottom:1rem}.card.selected{border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,113,227,.12)}