:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #eff6ff;--primary-text: #1e40af;--secondary: #64748b;--secondary-light: #f1f5f9;--success: #10b981;--success-bg: #ecfdf5;--success-text: #047857;--danger: #ef4444;--danger-bg: #fef2f2;--danger-text: #b91c1c;--warning: #f59e0b;--warning-bg: #fffbeb;--warning-text: #b45309;--info: #0ea5e9;--info-bg: #f0f9ff;--info-text: #0369a1;--dark: #0f172a;--text-main: #334155;--text-secondary: #64748b;--bg-body: #f8fafc;--bg-surface: #ffffff;--border: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px;line-height:1.5;color:var(--text-main);background:var(--bg-body);-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{color:var(--dark);font-weight:600;letter-spacing:-.025em;margin-bottom:.75rem}h1{font-size:1.75rem}h2{font-size:1.5rem}a{color:var(--primary);text-decoration:none;font-weight:500;transition:color .2s}a:hover{color:var(--primary-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:.5rem 1rem;border:1px solid transparent;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;height:38px;box-shadow:var(--shadow-sm)}.btn:active{transform:translateY(1px)}.btn-sm{padding:.25rem .75rem;font-size:.75rem;height:32px}.btn-lg{padding:.75rem 1.5rem;font-size:1rem;height:48px}.btn-xs{padding:.1rem 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0;border-bottom:1px solid #f1f5f9;font-size:.9rem;vertical-align:top}.info-table tr:last-child td{border-bottom:none}.info-table td:first-child{color:#64748b;font-weight:500;width:130px}.info-table td:last-child{color:#0f172a}.bg-gradient-primary{background:linear-gradient(135deg,#2563eb,#1d4ed8)}.hover-bg-light:hover{background-color:#f8f9fa}.task-list-container{max-height:400px;overflow-y:auto}.progress{display:flex;height:8px;overflow:hidden;background-color:#e9ecef;border-radius:4px}.progress-bar{display:flex;flex-direction:column;justify-content:center;color:#fff;text-align:center;white-space:nowrap;background-color:#0d6efd;transition:width .6s ease}.bg-warning{background-color:#f59e0b!important}.profile-layout-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:start}@media(max-width:1200px){.profile-layout-grid{grid-template-columns:1fr}}.class-hero{background:#fff;border-radius:var(--radius-md);padding:24px;border:1px solid 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#0ea5e9}.fin-card.collected{border-left:4px solid #2563eb}.fin-card.expense{border-left:4px solid #ef4444}.fin-card.profit{border-left:4px solid #10b981}.fin-label{font-size:11px;text-transform:uppercase;color:var(--text-secondary);margin-bottom:4px;letter-spacing:.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fin-value{font-size:22px;font-weight:700;color:var(--dark);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fin-sub{font-size:11px;color:var(--text-secondary);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.progress-wrapper{margin-top:12px;background:#f8fafc;padding:8px 12px;border-radius:6px;border:1px solid #e2e8f0}.capacity-bar{height:8px;background:#e2e8f0;border-radius:4px;overflow:hidden;margin-top:4px}.capacity-fill{height:100%;background:var(--primary);border-radius:4px;transition:width .5s ease}.tab-content-wrapper{background:#fff;border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius-md) var(--radius-md);padding:24px;min-height:400px}.detail-page-wrapper .page-tabs{margin-bottom:0!important}.qr-grid-container{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.qr-card-wrapper{break-inside:avoid;page-break-inside:avoid;padding:10px}.qr-card{border:2px solid #000;border-radius:12px;padding:20px;text-align:center;background:#fff;display:flex;flex-direction:column;align-items:center;height:100%}.qr-header{margin-bottom:15px;width:100%;border-bottom:1px dashed #ccc;padding-bottom:10px}.qr-class-name{font-size:12px;text-transform:uppercase;color:#666;margin-bottom:4px}.qr-student-name{font-size:20px;font-weight:800;color:#000;line-height:1.2}.qr-student-phone{font-size:14px;font-weight:600;color:#444}.qr-body img{width:200px;height:200px;object-fit:contain;margin:10px 0}.qr-footer{margin-top:10px;width:100%;border-top:1px dashed #ccc;padding-top:10px}.qr-amount-label{font-size:10px;text-transform:uppercase;font-weight:700;color:#666}.qr-amount-value{font-size:24px;font-weight:800;color:#000;margin:2px 0}.qr-note{font-size:12px;font-family:monospace;background:#f0f0f0;padding:4px;border-radius:4px;display:inline-block}@media print{body *{visibility:hidden}#qr-print-area,#qr-print-area *{visibility:visible}#qr-print-area{position:absolute;left:0;top:0;width:100%;display:grid!important;grid-template-columns:1fr 1fr!important;gap:1cm}.no-print{display:none!important}.qr-card-wrapper{height:9cm;display:flex;align-items:center;justify-content:center}.qr-card{width:100%;box-shadow:none!important;border:1px solid #000!important}}