:root{--primary:#2EC4B6;--primary-light:#7ee8e2;--primary-dark:#1B9AAA;--success:#00b894;--warning:#FF7A59;--danger:#FF7A59;--bg:#F7F9FB;--card:#fff;--text:#1E1E1E;--light:#636e72;--border:#dee2e6;--shadow:0 2px 12px rgba(0,0,0,.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input,select,textarea{font-family:inherit}#app{min-height:100vh}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2ec4b6,#1b9aaa);padding:20px}.login-card{background:var(--card);border-radius:20px;padding:40px;width:100%;max-width:400px;box-shadow:0 20px 60px #0003}.login-logo{text-align:center;margin-bottom:24px}.login-logo h1{font-size:2rem;color:var(--primary);font-weight:800;letter-spacing:-.5px}.login-logo p{color:var(--light);font-size:.9rem;margin-top:4px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--light);margin-bottom:6px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:12px;font-size:1rem;outline:none;transition:border .2s;background:#fff}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary)}.form-group textarea{resize:vertical;min-height:80px}.login-error{font-size:.78rem;color:#dc2626;background:#fee2e2;border-radius:8px;padding:8px 12px;margin-top:8px;text-align:center;display:none}.demo-accounts{margin-top:20px;padding:16px;background:var(--bg);border-radius:12px}.demo-accounts p{font-size:.78rem;color:var(--light);margin-bottom:8px;font-weight:600}.demo-btn{display:block;width:100%;padding:8px 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14px;font-size:.82rem;border-radius:8px}.btn-danger{background:var(--danger);color:#fff}.btn-success{background:var(--success);color:#fff}.app-layout{display:flex;flex-direction:column;min-height:100vh}.topbar{background:var(--card);border-bottom:1px solid var(--border);padding:10px 14px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.topbar-brand{font-weight:800;font-size:1.1rem;color:var(--primary);cursor:pointer}.topbar-user{display:flex;align-items:center;gap:12px}.avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;color:#fff;flex-shrink:0}.xp-mini{font-size:.72rem;color:var(--light);white-space:nowrap;text-align:right;line-height:1.3}.xp-mini strong{color:var(--text);font-size:.82rem}.main-content{flex:1;max-width:500px;width:100%;margin:0 auto;padding:16px 16px 80px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--card);border-top:1px solid var(--border);display:flex;z-index:100}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 2px;cursor:pointer;color:var(--light);transition:color .2s;font-size:.6rem;gap:2px}.nav-item.active{color:var(--primary)}.nav-item span:first-child{font-size:1.2rem;line-height:1}.sysadmin-layout{display:flex;flex-direction:column;min-height:100vh}.sys-sidebar{background:#1e1e1e;color:#fff;padding:0;flex-shrink:0}.sys-brand{padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between}.sys-brand h2{font-size:1rem;font-weight:700}.sys-brand p{font-size:.72rem;opacity:.6}.sys-tab-bar{display:flex;overflow-x:auto;white-space:nowrap;scrollbar-width:none;padding:0 8px}.sys-tab-bar::-webkit-scrollbar{display:none}.sys-nav-item{display:inline-flex;align-items:center;gap:6px;padding:11px 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th{background:#f0f4f7;text-align:left;padding:10px;font-weight:600;color:var(--light);font-size:.75rem}.data-table td{padding:10px;border-top:1px solid var(--border)}.table-wrap{overflow-x:auto;border-radius:8px;border:1px solid var(--border)}.admin-tabs{display:flex;background:#fff;border-bottom:1px solid var(--border);overflow-x:auto;scrollbar-width:none;margin:-16px -16px 16px}.admin-tabs::-webkit-scrollbar{display:none}.admin-tab{padding:12px 14px;font-size:.82rem;font-weight:600;color:var(--light);border-bottom:3px solid transparent;white-space:nowrap;cursor:pointer}.admin-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000;padding:20px}.modal{background:#fff;border-radius:20px;padding:24px;max-width:460px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #0000004d}.modal 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print{body{background:#fff;padding:0;margin:0;-webkit-print-color-adjust:exact;print-color-adjust:exact}body *{visibility:hidden}.receipt-print,.receipt-print *{visibility:visible}.receipt-print{position:absolute;top:0;left:0;width:100%;max-width:100%;padding:20px;margin:0;border:none!important;box-shadow:none!important}.no-print,.bottom-nav,.topbar,.sys-sidebar{display:none!important}}html,body,#root{height:100%}#root{display:flex;flex-direction:column}.hidden{display:none!important}.field-error{color:var(--danger);font-size:.85rem;margin-top:4px}.toast-container{position:fixed;top:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{background:#1e1e1e;color:#fff;padding:12px 18px;border-radius:8px;box-shadow:var(--shadow);min-width:200px;max-width:360px;animation:toast-in .18s ease-out}.toast.error{background:var(--danger)}@keyframes 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rgba(46,196,182,.3);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}