:root {
  --primary: #1a7f6e;
  --primary-dark: #156b5c;
  --primary-light: #e8f5f2;
  --danger: #dc3545;
  --warning: #856404;
  --bg: #f0f4f3;
  --card: #fff;
  --text: #1a1a2e;
  --text-muted: #6c757d;
  --border: #dee2e6;
  --shadow: 0 2px 12px rgba(0,0,0,.08);
  --radius: 12px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}
a{color:var(--primary);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:24px}
.header{background:var(--card);border-bottom:1px solid var(--border);padding:16px 24px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow);flex-wrap:wrap;gap:12px}
.header-brand{display:flex;align-items:center;gap:12px}
.header-icon{width:44px;height:44px;background:#ffc107;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px}
.header-title{font-size:18px;font-weight:700;color:var(--primary)}
.header-sub{font-size:13px;color:var(--text-muted)}
.header-user{display:flex;align-items:center;gap:12px}
.user-name{font-weight:600;font-size:14px}
.user-email{font-size:12px;color:var(--text-muted)}
.user-role{font-size:11px;background:var(--primary-light);color:var(--primary);padding:2px 8px;border-radius:20px;font-weight:600}
.section-label{font-size:11px;font-weight:700;letter-spacing:1px;color:var(--text-muted);text-transform:uppercase;margin-bottom:4px}
.section-title{font-size:26px;font-weight:700;margin-bottom:4px}
.section-desc{color:var(--text-muted);font-size:14px;margin-bottom:20px}
.toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.toolbar-actions{display:flex;gap:10px;flex-wrap:wrap}
.search-form{flex:1;min-width:240px}
.search-input-wrap{position:relative}
.search-input-wrap .icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted)}
.search-input{width:100%;padding:12px 16px 12px 42px;border:2px solid var(--border);border-radius:var(--radius);font-size:14px}
.search-input:focus{outline:none;border-color:var(--primary)}
.record-count{font-size:14px;color:var(--text-muted);font-weight:600;margin-bottom:12px;text-align:right}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:.2s;white-space:nowrap;text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-sm{padding:6px 12px;font-size:13px}
.btn-block{width:100%;justify-content:center}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-icon{padding:8px;border-radius:8px;background:transparent;border:none;cursor:pointer;font-size:18px}
.btn-icon.danger{color:var(--danger)}
.alert{padding:12px 16px;border-radius:8px;margin:16px auto;font-size:14px;max-width:1200px}
.alert.show{display:block}
.alert-error{background:#fde8ea;color:#842029;border:1px solid #f5c2c7}
.alert-success{background:#d1e7dd;color:#0f5132;border:1px solid #badbcc}
.table-wrap{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto}
table{width:100%;border-collapse:collapse}
thead th{background:#f8f9fa;padding:14px 16px;text-align:left;font-size:13px;font-weight:700;color:var(--text-muted);border-bottom:2px solid var(--border)}
tbody td{padding:14px 16px;border-bottom:1px solid var(--border);font-size:14px;vertical-align:middle}
tbody tr:hover{background:#f8fffe}
.ma-ho-so{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--primary)}
.actions-cell{display:flex;align-items:center;gap:8px}
.empty-state,.empty-text{text-align:center;padding:40px 20px;color:var(--text-muted)}
.empty-state .icon{font-size:48px;margin-bottom:12px}
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;align-items:center;justify-content:center;padding:20px}
.modal-overlay.show{display:flex}
.modal{background:var(--card);border-radius:var(--radius);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.modal-header{padding:20px 24px 0;display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:18px;font-weight:700}
.modal-close{background:none;border:none;font-size:24px;cursor:pointer;color:var(--text-muted)}
.modal-body{padding:20px 24px}
.modal-footer{padding:16px 24px 20px;display:flex;justify-content:flex-end;gap:10px;border-top:1px solid var(--border)}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.form-control{width:100%;padding:10px 14px;border:2px solid var(--border);border-radius:8px;font-size:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.checkbox-group{display:flex;flex-wrap:wrap;gap:12px}
.checkbox-item{display:flex;align-items:center;gap:6px;font-size:14px}
.hint{font-size:12px;color:var(--text-muted);margin-top:8px}
.file-list{list-style:none}
.file-item{display:flex;align-items:center;justify-content:space-between;padding:12px;border:1px solid var(--border);border-radius:8px;margin-bottom:8px;gap:12px}
.file-info{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.file-icon{font-size:24px}
.file-name{font-weight:600;font-size:14px;word-break:break-all}
.file-meta{font-size:12px;color:var(--text-muted)}
.file-actions{display:flex;gap:6px;flex-shrink:0}
.upload-zone{border:2px dashed var(--border);border-radius:8px;padding:24px;text-align:center;cursor:pointer;transition:.2s;position:relative}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:var(--primary-light)}
.upload-zone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.upload-icon{font-size:32px;margin-bottom:8px}
.qr-preview{text-align:center;padding:16px}
.qr-preview img{max-width:180px;border-radius:8px;margin-bottom:8px}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}
.badge-admin{background:#fff3cd;color:#856404}
.badge-member{background:var(--primary-light);color:var(--primary)}
.badge-active{background:#d1e7dd;color:#0f5132}
.badge-inactive,.badge-warning{background:#f8d7da;color:#842029}
.detail-card{background:var(--card);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:20px}
.detail-title{color:var(--primary);margin-bottom:16px;font-size:22px}
.detail-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:12px}
.detail-field label{font-size:12px;color:var(--text-muted);font-weight:600;display:block;margin-bottom:4px}
.detail-field span{font-size:15px;font-weight:600}
.back-link{display:inline-block;margin-bottom:16px;font-weight:600}
.inline-form{display:inline}
.login-page .login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),#0d5c4e);padding:20px}
.login-card{background:var(--card);border-radius:16px;padding:40px;max-width:420px;width:100%;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-icon{font-size:56px;margin-bottom:16px}
.login-title{font-size:22px;font-weight:700;color:var(--primary);margin-bottom:8px}
.login-desc{color:var(--text-muted);font-size:14px;margin-bottom:24px}
.login-form{text-align:left}
.upgrade-note{margin-top:20px;padding:12px;background:#fff3cd;border-radius:8px;font-size:13px}
@media(max-width:768px){.form-row{grid-template-columns:1fr}.header{flex-direction:column;text-align:center}}