:root{--primary:#1a5276;--primary-dk:#154360;--primary-lt:#d6eaf8;--accent:#2e86c1;--success:#1e8449;--success-lt:#d5f5e3;--warning:#d68910;--warning-lt:#fdebd0;--danger:#c0392b;--danger-lt:#fadbd8;--gray:#7f8c8d;--gray-lt:#f2f3f4;--text:#2c3e50;--text-md:#5d6d7e;--text-lt:#aab7b8;--border:#dce1e7;--white:#ffffff;--radius:10px;--shadow:0 2px 12px rgba(0,0,0,0.08)}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;font-size:16px;color:var(--text);background:#eef2f7;min-height:100vh}
.app{display:flex;flex-direction:column;min-height:100vh;max-width:480px;margin:0 auto;background:var(--white)}
.page{display:none;flex-direction:column;min-height:100vh}
.page.active{display:flex}
.topbar{background:var(--primary);color:var(--white);padding:1rem 1.2rem;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,0.15)}
.topbar h2{font-size:1.05rem;font-weight:600}
.topbar .back-btn{background:none;border:none;color:var(--white);font-size:1.4rem;cursor:pointer;padding:0 0.5rem 0 0}
.topbar .notif-btn{background:none;border:none;color:var(--white);font-size:1.3rem;cursor:pointer;position:relative}
.notif-badge{position:absolute;top:-4px;right:-4px;background:var(--danger);color:#fff;font-size:10px;width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:var(--white);border-top:1px solid var(--border);display:flex;z-index:100;padding-bottom:env(safe-area-inset-bottom)}
.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;padding:0.6rem 0.3rem;background:none;border:none;cursor:pointer;color:var(--text-lt);font-size:0.65rem;gap:3px}
.nav-item .icon{font-size:1.35rem}
.nav-item.active{color:var(--primary)}
.content{flex:1;overflow-y:auto;padding:1rem;padding-bottom:5rem}
.card{background:var(--white);border-radius:var(--radius);padding:1rem 1.1rem;margin-bottom:0.8rem;box-shadow:var(--shadow);border:1px solid var(--border)}
.card-title{font-size:0.75rem;font-weight:600;color:var(--text-md);text-transform:uppercase;letter-spacing:0.04em;margin-bottom:0.7rem}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:0.7rem;margin-bottom:0.8rem}
.stat-card{background:var(--white);border-radius:var(--radius);padding:0.9rem 1rem;box-shadow:var(--shadow);border:1px solid var(--border)}
.stat-num{font-size:1.6rem;font-weight:700;color:var(--primary)}
.stat-label{font-size:0.75rem;color:var(--text-md);margin-top:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.4rem;padding:0.75rem 1.2rem;border-radius:var(--radius);border:none;font-size:0.95rem;font-weight:600;cursor:pointer;transition:all 0.15s;width:100%}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:active{background:var(--primary-dk);transform:scale(0.98)}
.btn-success{background:var(--success);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-warning{background:var(--warning);color:#fff}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-sm{padding:0.5rem 0.9rem;font-size:0.85rem;width:auto}
.btn:disabled{opacity:0.5;cursor:not-allowed}
.form-group{margin-bottom:1rem}
.form-group label{display:block;font-size:0.85rem;font-weight:600;color:var(--text-md);margin-bottom:0.35rem}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:0.75rem 1rem;border:1.5px solid var(--border);border-radius:var(--radius);font-size:1rem;color:var(--text);background:var(--white);transition:border-color 0.15s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent)}
.form-group textarea{resize:vertical;min-height:80px}
.form-hint{font-size:0.78rem;color:var(--text-lt);margin-top:0.3rem}
.upload-box{border:2px dashed var(--border);border-radius:var(--radius);padding:1.5rem;text-align:center;cursor:pointer;transition:border-color 0.15s}
.upload-box.has-file{border-color:var(--success);background:var(--success-lt)}
.upload-box p{font-size:0.85rem;color:var(--text-md);margin-top:0.4rem}
.upload-box input{display:none}
.upload-icon{font-size:2rem}
.badge{display:inline-block;padding:0.25rem 0.6rem;border-radius:99px;font-size:0.75rem;font-weight:600}
.badge-success{background:var(--success-lt);color:var(--success)}
.badge-warning{background:var(--warning-lt);color:var(--warning)}
.badge-danger{background:var(--danger-lt);color:var(--danger)}
.badge-info{background:var(--primary-lt);color:var(--primary)}
.badge-gray{background:var(--gray-lt);color:var(--gray)}
.list-row{display:flex;align-items:center;gap:0.8rem;padding:0.9rem 0;border-bottom:1px solid var(--border)}
.list-row:last-child{border-bottom:none}
.list-avatar{width:42px;height:42px;border-radius:50%;background:var(--primary-lt);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;flex-shrink:0}
.list-main{flex:1;min-width:0}
.list-title{font-size:0.95rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.list-sub{font-size:0.8rem;color:var(--text-md);margin-top:2px}
.list-right{text-align:right;flex-shrink:0}
.list-amount{font-size:1rem;font-weight:700;color:var(--primary)}
.alert{padding:0.8rem 1rem;border-radius:var(--radius);margin-bottom:1rem;font-size:0.9rem}
.alert-success{background:var(--success-lt);color:var(--success)}
.alert-danger{background:var(--danger-lt);color:var(--danger)}
.alert-warning{background:var(--warning-lt);color:var(--warning)}
.alert-info{background:var(--primary-lt);color:var(--primary)}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.5);display:flex;align-items:flex-end;justify-content:center;z-index:200;opacity:0;pointer-events:none;transition:opacity 0.2s}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{background:var(--white);border-radius:20px 20px 0 0;width:100%;max-width:480px;padding:1.5rem 1.2rem 2rem;transform:translateY(100%);transition:transform 0.3s ease;max-height:90vh;overflow-y:auto}
.modal-overlay.open .modal{transform:translateY(0)}
.modal-title{font-size:1.1rem;font-weight:700;margin-bottom:1.2rem}
.modal-close{float:right;background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--text-md)}
.approval-popup{position:fixed;top:1rem;left:50%;transform:translateX(-50%);width:calc(100% - 2rem);max-width:440px;background:var(--white);border-radius:var(--radius);box-shadow:0 8px 32px rgba(0,0,0,0.2);padding:1.2rem;z-index:300;border-left:4px solid var(--warning);display:none}
.approval-popup.show{display:block;animation:slideDown 0.3s ease}
@keyframes slideDown{from{transform:translate(-50%,-20px);opacity:0}to{transform:translate(-50%,0);opacity:1}}
.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-lt)}
.empty-icon{font-size:3rem;margin-bottom:0.8rem}
.empty-text{font-size:0.9rem}
.section-hdr{display:flex;align-items:center;justify-content:space-between;margin-bottom:0.7rem}
.section-hdr h3{font-size:0.95rem;font-weight:700}
.loading{text-align:center;padding:2rem;color:var(--text-lt);font-size:0.9rem}
.spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 0.7s linear infinite;margin:0 auto 0.8rem}
@keyframes spin{to{transform:rotate(360deg)}}
.login-page{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:2rem 1.5rem;background:var(--primary)}
.login-logo{text-align:center;color:#fff;margin-bottom:2rem}
.login-logo .logo-icon{font-size:3.5rem}
.login-logo h1{font-size:1.5rem;margin-top:0.5rem}
.login-logo p{font-size:0.85rem;opacity:0.8;margin-top:0.3rem}
.login-card{background:#fff;border-radius:16px;padding:1.8rem 1.5rem}
.tabs{display:flex;background:var(--gray-lt);border-radius:var(--radius);padding:3px;margin-bottom:1rem}
.tab-btn{flex:1;padding:0.5rem;border:none;background:none;border-radius:8px;font-size:0.85rem;font-weight:600;color:var(--text-md);cursor:pointer}
.tab-btn.active{background:var(--white);color:var(--primary);box-shadow:0 1px 4px rgba(0,0,0,0.1)}
.sos-btn{width:120px;height:120px;border-radius:50%;background:var(--danger);color:#fff;border:none;font-size:1rem;font-weight:700;cursor:pointer;box-shadow:0 0 0 8px var(--danger-lt);transition:transform 0.1s;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.sos-btn .sos-icon{font-size:2rem}
.sos-btn:active{transform:scale(0.95)}
.sos-container{display:flex;justify-content:center;padding:2rem 0}
.offline-bar{background:var(--danger);color:#fff;text-align:center;padding:0.4rem;font-size:0.8rem;display:none}
.offline-bar.show{display:block}
.install-banner{background:var(--primary);color:#fff;padding:0.8rem 1rem;display:flex;align-items:center;gap:0.8rem;font-size:0.85rem;cursor:pointer}
.install-banner button{background:#fff;color:var(--primary);border:none;border-radius:6px;padding:0.4rem 0.8rem;font-weight:700;font-size:0.8rem;cursor:pointer;white-space:nowrap}
.install-banner .close{background:none;color:#fff;padding:0;margin-left:auto;font-size:1.2rem}
.approve-row{display:flex;gap:0.6rem;margin-top:0.8rem}
.approve-row .btn{flex:1}
.amount-due{background:var(--danger-lt);border-radius:var(--radius);padding:1rem;text-align:center;margin-bottom:1rem}
.amount-due .total{font-size:1.8rem;font-weight:700;color:var(--danger)}
.amount-due .label{font-size:0.8rem;color:var(--text-md)}
.quick-action{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:0.8rem 0.4rem;display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer}
.qa-icon{font-size:1.5rem}
.qa-label{font-size:0.7rem;color:var(--text-md);font-weight:600;text-align:center}