*{box-sizing:border-box;font-family:Inter,system-ui,sans-serif}
body{margin:0;background:#f8fafc;color:#0f172a;padding-bottom:85px}
#loginScreen{height:100vh;display:flex;align-items:center;justify-content:center;background:#0f766e}
.login-box{background:#fff;padding:24px;border-radius:16px;width:90%;max-width:340px;text-align:center}
.login-box input{width:100%;padding:12px;border:1px solid #ddd;border-radius:10px;margin:10px 0}
.btn-primary{background:#0f766e;color:#fff;border:none;padding:10px 14px;border-radius:10px;font-weight:700;cursor:pointer}
.btn-primary:disabled{opacity:.6}
.header{padding:12px 16px;background:#fff;border-bottom:1px solid #e2e8f0;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:5}
.logout{font-size:12px;background:#fee2e2;color:#ef4444;padding:6px 10px;border-radius:8px;cursor:pointer}
.page{display:none;padding:12px;max-width:600px;margin:0 auto}
.page.active{display:block}
.card{background:#fff;padding:12px;border-radius:12px;margin-bottom:10px;box-shadow:0 1px 3px rgba(0,0,0,.05);border:1px solid #f1f5f9}
.card input,.card select,.card textarea{width:100%;padding:10px;border:1px solid #e2e8f0;border-radius:8px;margin:6px 0}
.badge-merah{background:red;color:#fff;font-size:10px;padding:2px 6px;border-radius:10px;margin-left:6px;animation:kedip 1s infinite}
@keyframes kedip{0%,100%{opacity:1}50%{opacity:.3}}
.nav{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid #e2e8f0;display:flex;justify-content:space-around;padding:6px 0 calc(6px + env(safe-area-inset-bottom));z-index:99}
.nav div{flex:1;text-align:center;padding:8px 4px;cursor:pointer;color:#64748b;font-size:11px;display:flex;flex-direction:column;gap:2px}
.nav div i{font-size:18px}.nav div.active{color:#0f766e;font-weight:700}
#modalChat{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:100;align-items:end;justify-content:center}
.chatBox{background:#fff;width:100%;max-width:500px;height:85vh;border-radius:20px 20px 0 0;display:flex;flex-direction:column}
.chatHeader{padding:12px;border-bottom:1px solid #ddd;display:flex;justify-content:space-between}
#chatMessages{flex:1;overflow:auto;padding:12px;display:flex;flex-direction:column;gap:8px;background:#f1f5f9}
.chatInputArea{padding:10px;display:flex;gap:8px;border-top:1px solid #ddd}.chatInputArea input{flex:1;padding:10px;border-radius:20px;border:1px solid #ddd}
.bubble{max-width:80%;padding:8px 12px;border-radius:12px;font-size:14px}.bubble.admin{background:#0d9488;color:#fff;align-self:flex-end}.bubble.user{background:#fff;border:1px solid #ddd;align-self:flex-start}
.btn-kecil{padding:6px 12px;border-radius:8px;border:1px solid #ddd;background:#fff}