:root{--pink: #E8B4B8;--pink-light: #F2C9CC;--pink-pale: #FDF0F1;--text: #333;--gray-dark: #666;--gray-light: #E0E0E0;--white: #fff;--sidebar-bg: #2d2d2d;--sidebar-text: rgba(255, 255, 255, .85);--danger: #e05555;--success: #4caf74}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);background:#f5f5f5;font-size:16px}button{cursor:pointer;font-family:inherit;font-size:inherit}input,textarea,select{font-family:inherit;font-size:inherit}a{color:inherit;text-decoration:none}.app-layout{display:flex;min-height:100vh}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.page-body{flex:1;padding:24px;overflow-y:auto}.sidebar{width:240px;background:var(--sidebar-bg);display:flex;flex-direction:column;flex-shrink:0;min-height:100vh}.sidebar-logo{padding:24px 20px 16px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-logo h1{color:var(--pink);font-size:20px;font-weight:700;letter-spacing:.5px}.sidebar-logo span{color:var(--sidebar-text);font-size:11px;opacity:.6;display:block;margin-top:2px}.sidebar-nav{flex:1;padding:12px 0;list-style:none}.sidebar-nav li a,.sidebar-nav li button{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--sidebar-text);font-size:14px;background:none;border:none;width:100%;text-align:left;border-radius:0;transition:background .15s}.sidebar-nav li a:hover,.sidebar-nav li button:hover{background:#ffffff14;color:#fff}.sidebar-nav li a.active{background:#e8b4b833;color:var(--pink-light);border-left:3px solid var(--pink)}.sidebar-divider{border:none;border-top:1px solid rgba(255,255,255,.1);margin:8px 0}.sidebar-logout{padding:12px 0;border-top:1px solid rgba(255,255,255,.1)}.header{background:var(--white);border-bottom:1px solid var(--gray-light);padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between}.header h2{font-size:18px;font-weight:600}.header-right{color:var(--gray-dark);font-size:13px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--white);border-radius:10px;padding:20px;border-left:4px solid var(--pink);box-shadow:0 1px 3px #0000000f}.stat-card .stat-icon{font-size:24px;margin-bottom:8px}.stat-card .stat-value{font-size:28px;font-weight:700;color:var(--text);line-height:1;margin-bottom:4px}.stat-card .stat-label{font-size:12px;color:var(--gray-dark)}.table-container{background:var(--white);border-radius:10px;overflow:hidden;box-shadow:0 1px 3px #0000000f}table{width:100%;border-collapse:collapse}thead th{background:#fafafa;padding:12px 16px;text-align:left;font-size:12px;font-weight:600;color:var(--gray-dark);text-transform:uppercase;letter-spacing:.4px;border-bottom:1px solid var(--gray-light)}tbody td{padding:12px 16px;border-bottom:1px solid #f0f0f0;font-size:14px}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:#fafafa}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;border:none;font-weight:500;transition:opacity .15s}.btn:hover{opacity:.85}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--pink);color:var(--white)}.btn-danger{background:var(--danger);color:var(--white)}.btn-secondary{background:var(--gray-light);color:var(--text)}.btn-sm{padding:5px 10px;font-size:12px}.page-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px}.search-input{padding:8px 12px;border:1px solid var(--gray-light);border-radius:6px;width:260px;outline:none;transition:border-color .15s}.search-input:focus{border-color:var(--pink)}.pagination{display:flex;align-items:center;gap:8px;justify-content:flex-end;padding:16px;border-top:1px solid var(--gray-light)}.pagination span{font-size:13px;color:var(--gray-dark)}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.badge-success{background:#e8f5ee;color:#2e7d5a}.badge-gray{background:#f0f0f0;color:#888}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--white);border-radius:12px;padding:28px;width:520px;max-width:94vw;max-height:90vh;overflow-y:auto;box-shadow:0 8px 32px #0000002e}.modal h3{font-size:17px;margin-bottom:20px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;margin-bottom:5px;color:var(--gray-dark)}.form-group input,.form-group textarea,.form-group select{width:100%;padding:9px 12px;border:1px solid var(--gray-light);border-radius:6px;outline:none;transition:border-color .15s}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--pink)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.toggle-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:14px}.toggle-label input[type=checkbox]{width:16px;height:16px;accent-color:var(--pink);cursor:pointer}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--pink-pale)}.login-card{background:var(--white);border-radius:16px;padding:40px;width:380px;box-shadow:0 4px 24px #e8b4b840}.login-logo{text-align:center;margin-bottom:28px}.login-logo h1{color:var(--pink);font-size:28px;font-weight:800}.login-logo p{color:var(--gray-dark);font-size:13px;margin-top:4px}.login-card .form-group input{font-size:15px;padding:11px 14px}.login-submit{width:100%;padding:12px;background:var(--pink);color:var(--white);border:none;border-radius:8px;font-size:15px;font-weight:600;margin-top:8px;transition:opacity .15s}.login-submit:hover{opacity:.88}.login-submit:disabled{opacity:.55;cursor:not-allowed}.error-msg{color:var(--danger);font-size:13px;margin-top:10px;text-align:center}.page-title{font-size:22px;font-weight:700;margin-bottom:20px}.info-text{color:var(--gray-dark);font-size:13px}.announcement-card{background:var(--white);border-radius:10px;padding:28px;max-width:640px;box-shadow:0 1px 3px #0000000f}.warning-box{background:#fff8e1;border:1px solid #ffe082;border-radius:6px;padding:12px 14px;font-size:13px;color:#795548;margin-bottom:20px}.preview-box{border:1px solid var(--gray-light);border-radius:6px;padding:16px;margin-top:12px;background:#fafafa;min-height:80px}.loading{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--gray-dark);font-size:15px}