:root{--hero-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--hero-shadow: 0 20px 60px rgba(0, 0, 0, .2);--glass-bg: rgba(255, 255, 255, .1);--glass-border: rgba(255, 255, 255, .18);--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, .37);--card-shadow: 0 8px 32px rgba(0, 0, 0, .08);--card-hover: 0 20px 60px rgba(0, 0, 0, .15);--card-border: 1px solid rgba(255, 255, 255, .1);--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);--gradient-warning: linear-gradient(135deg, #fcb045 0%, #fd1d1d 100%);--gradient-info: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--metric-glass: rgba(255, 255, 255, .25);--metric-border: rgba(255, 255, 255, .18);--metric-shadow: 0 8px 32px 0 rgba(31, 38, 135, .37);--float-shadow: 0 10px 30px rgba(0, 0, 0, .2);--float-hover: 0 20px 60px rgba(0, 0, 0, .3)}.modern-payments-page{font-family:-apple-system,BlinkMacSystemFont,Segoe 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cubic-bezier(.4,0,.2,1);border:none;display:flex;align-items:center;gap:.75rem;position:relative;overflow:hidden;text-decoration:none;box-shadow:var(--float-shadow)}.cta-button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .6s}.cta-button:hover:before{left:100%}.cta-button.primary{background:linear-gradient(135deg,gold,#ffed4e);color:#2d3436;box-shadow:0 8px 32px #ffd7004d}.cta-button.primary:hover{transform:translateY(-4px);box-shadow:var(--float-hover);color:#2d3436}.cta-button.secondary{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2)}.cta-button.secondary:hover{background:#fff3;transform:translateY(-2px);color:#fff}.cta-button svg{font-size:1.2rem;flex-shrink:0}.hero-visual{position:relative;z-index:2;display:flex;align-items:center;justify-content:center}.floating-cards{display:flex;gap:1rem;position:relative}.floating-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:var(--glass-border);border-radius:16px;padding:1.5rem;color:#fff;font-weight:700;font-size:1.1rem;box-shadow:var(--float-shadow);position:relative;overflow:hidden;animation:cardFloat 0s ease-in-out infinite}.floating-card:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent,rgba(255,255,255,.1),transparent);animation:shimmer 3s ease-in-out infinite}@keyframes cardFloat{0%,to{transform:translateY(0) rotateY(0)}50%{transform:translateY(-10px) rotateY(5deg)}}@keyframes shimmer{0%{transform:translate(-100%) translateY(-100%) rotate(45deg)}to{transform:translate(100%) translateY(100%) 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svg{color:#4ade80}.chart-container{height:200px;display:flex;align-items:end;gap:1rem;padding:1rem 0}.chart-bars{display:flex;align-items:end;gap:2rem;width:100%;justify-content:space-around}.chart-bar-group{display:flex;flex-direction:column;align-items:center;gap:.5rem;flex:1}.chart-bar{width:100%;max-width:40px;background:linear-gradient(180deg,gold,#ffed4e);border-radius:4px 4px 0 0;box-shadow:0 4px 12px #ffd7004d;transition:all .3s ease;position:relative;overflow:hidden}.chart-bar:before{content:"";position:absolute;inset:-10%;background:linear-gradient(45deg,transparent,rgba(255,255,255,.3),transparent);animation:chartShimmer 2s ease-in-out infinite}@keyframes chartShimmer{0%{transform:translate(-100%) rotate(45deg)}to{transform:translate(100%) rotate(45deg)}}.chart-bar:hover{transform:scaleY(1.2);box-shadow:0 8px 24px #ffd70080}.chart-bar-fill{width:100%;height:100%;background:inherit}.chart-label{color:#ffffffb3;font-size:.8rem;font-weight:500}.analytics-metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.metric-card{background:var(--metric-glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:var(--metric-border);border-radius:16px;padding:1.5rem;box-shadow:var(--metric-shadow);transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;cursor:pointer}.metric-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#ffffff1a,#ffffff0d);opacity:0;transition:opacity .3s ease}.metric-card:hover:before{opacity:1}.metric-card:hover{transform:translateY(-8px) scale(1.02);box-shadow:var(--float-hover)}.metric-card.primary-glass{border-left:4px solid #ffd700}.metric-card.warning-glass{border-left:4px solid #fb7185}.metric-card.success-glass{border-left:4px solid #4ade80}.metric-card.info-glass{border-left:4px solid #60a5fa}.metric-icon{color:#fff;opacity:.9;font-size:2rem}.metric-content{margin-top:1rem}.metric-value{font-size:2rem;font-weight:800;color:#fff;margin:0 0 .25rem;display:block;line-height:1.2}.metric-label{font-size:.9rem;color:#fffc;margin:0;font-weight:500;line-height:1.4}.metric-trend{display:flex;align-items:center;gap:.5rem;font-size:.85rem;font-weight:500;margin-top:.75rem}.metric-trend.positive{color:#4ade80}.metric-trend.neutral{color:#ffffffb3}.metric-trend.negative{color:#fb7185}.metric-trend svg{font-size:1rem}.metric-chart{position:absolute;top:1rem;right:1rem;width:60px;height:40px;opacity:.7}.metric-chart svg{width:100%;height:100%}.metric-chart path{stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}.circular-progress{width:50px;height:50px;border-radius:50%;background:conic-gradient(from 0deg,#fb7185,#fff3 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ease}.grade-segment:hover{transform:scaleY(1.5)}.grade-segment.preschool{background:linear-gradient(90deg,#fb7185,#f43f5e)}.grade-segment.primary{background:linear-gradient(90deg,#4ade80,#22c55e)}.grade-segment.paid{background:linear-gradient(90deg,gold,#f59e0b)}.grade-label{font-size:.6rem;color:#fff;font-weight:700;display:none}.payment-insights-panel{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:var(--glass-border);border-radius:24px;padding:2.5rem;margin-bottom:3rem;box-shadow:var(--glass-shadow)}.insights-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem}.insights-header h3{font-size:1.75rem;font-weight:700;color:#fff;margin:0;display:flex;align-items:center;gap:1rem}.insights-header h3 svg{color:gold;filter:drop-shadow(0 0 10px rgba(255,215,0,.5))}.insights-badge{background:linear-gradient(135deg,gold,#ffed4e);color:#2d3436;padding:.5rem 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strong{color:#fff;font-size:1.1rem;display:block;margin-bottom:.25rem}.activity-details span{color:#fffc;font-size:.9rem;display:block;margin-bottom:.25rem}.activity-details small{color:#fff9;font-size:.8rem}.method-breakdown{display:flex;flex-direction:column;gap:1rem}.method-item{display:flex;align-items:center;gap:1rem}.method-info{flex:1;display:flex;justify-content:space-between;align-items:center}.method-name{color:#fff;font-weight:500;font-size:.9rem}.method-count{color:#ffffffb3;font-size:.8rem}.method-bar{flex:2;height:8px;background:#ffffff1a;border-radius:4px;overflow:hidden}.method-fill{height:100%;background:linear-gradient(90deg,gold,#ffed4e);border-radius:inherit}.method-percentage{color:#fffc;font-size:.85rem;font-weight:600;min-width:40px;text-align:right}.performers-list{display:flex;flex-direction:column;gap:1rem}.performer-item{display:flex;align-items:center;gap:1rem;padding:1rem;background:#ffffff1a;border-radius:12px;border:1px solid rgba(255,255,255,.05)}.rank{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;color:#fff}.performer-item:nth-child(1) .rank{background:linear-gradient(135deg,gold,#ffed4e);color:#2d3436}.performer-item:nth-child(2) .rank{background:linear-gradient(135deg,silver,#e5e5e5);color:#2d3436}.performer-item:nth-child(3) .rank{background:linear-gradient(135deg,#cd7f32,#daa520);color:#2d3436}.performer-details{flex:1}.performer-details .name{color:#fff;font-weight:600;font-size:.95rem;margin-bottom:.25rem;display:block}.performer-details .amount{color:#fffc;font-size:.85rem}.performer-badge{padding:.25rem 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1.25rem;border-radius:20px;font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.5px}.payment-status.paid{background:linear-gradient(135deg,#4ade8033,#22c55e33);color:#4ade80;border:1px solid rgba(74,222,128,.3)}.payment-status.outstanding{background:linear-gradient(135deg,#fb718533,#f43f5e33);color:#fb7185;border:1px solid rgba(251,113,133,.3)}.payment-details{padding:0 1.5rem 2rem}.balance-overview{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}.balance-overview>div{background:#ffffff1a;padding:1rem;border-radius:12px;border:1px solid rgba(255,255,255,.1)}.balance-overview .label{color:#ffffffb3;font-size:.8rem;font-weight:500;text-transform:uppercase;margin-bottom:.5rem;letter-spacing:.5px}.balance-overview .amount{color:#fff;font-size:1.1rem;font-weight:700;line-height:1.3}.balance-overview .amount.positive{color:#4ade80}.balance-overview 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rgba(255,255,255,.1);margin-bottom:2rem}.progress-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.progress-label>span:first-child{color:#fff;font-size:.9rem;font-weight:600}.progress-label>span:last-child{color:#fffc;font-size:.8rem;font-weight:500}.progress-bar{width:100%;height:8px;background:#fff3;border-radius:4px;overflow:hidden;position:relative}.progress-bar .progress-fill{height:100%;background:linear-gradient(90deg,gold,#ffed4e);border-radius:inherit;transition:width .8s ease;box-shadow:0 0 10px #ffd70080}.card-actions-pro{padding:1.5rem;background:#ffffff0d;border-top:1px solid rgba(255,255,255,.1);display:flex;gap:1rem}.action-btn{flex:1;padding:.875rem 1.25rem;border-radius:12px;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .3s 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rgba(255,255,255,.2);border-radius:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.empty-animation{margin-bottom:2rem}.empty-animation svg{font-size:4rem;color:gold;filter:drop-shadow(0 0 20px rgba(255,215,0,.5));animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.8}}.empty-state-advanced h3{color:#fff;font-size:1.75rem;margin:0 0 1rem;font-weight:700}.empty-state-advanced p{color:#fffc;font-size:1.1rem;margin:0 0 2rem;line-height:1.6}.loading-screen{position:fixed;inset:0;background:var(--gradients);display:flex;align-items:center;justify-content:center;z-index:9999;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.loading-spinner svg{font-size:4rem;color:var(--primary-maroon);animation:spin 2s linear infinite}.loading-progress .progress-bar{width:100%;height:6px;background:#e9ecef;border-radius:3px;overflow:hidden;box-shadow:inset 0 1px 2px #0000001a}@media (max-width: 768px){.revenue-overview{grid-template-columns:1fr;gap:15px;margin:0 10px 20px}.overview-card{margin:0;border-radius:12px;box-shadow:0 2px 8px #00000014}.card-header{padding:12px 15px;background:linear-gradient(135deg,#f8f9fa,#e9ecef)}.card-header h3{font-size:14px;font-weight:600;color:#333;margin:0}.revenue-breakdown{padding:12px 15px}.revenue-header{display:grid;grid-template-columns:2fr 1fr 1fr;gap:1rem;padding:8px 0;border-bottom:2px solid #dee2e6;margin-bottom:8px;font-weight:700;font-size:12px;color:#333;text-transform:uppercase;letter-spacing:.5px}.header-label{font-weight:700;color:#333}.header-current,.header-expected{text-align:right;font-weight:700;color:#333}.revenue-item{display:grid;grid-template-columns:2fr 1fr 1fr;gap:1rem;align-items:center;padding:10px 0;border-bottom:1px solid #f8f9fa;transition:background-color .2s 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#e9ecef}.stat-label{font-size:12px;font-weight:600;color:#555;text-transform:uppercase;letter-spacing:.5px}.stat-value{font-size:14px;font-weight:700;color:#007bff}.revenue-total{display:flex;justify-content:space-between;align-items:center;padding:12px;margin-top:10px;border-top:2px solid #dee2e6;background:#f8f9fa;border-radius:4px}.total-label{font-size:14px;font-weight:700;color:#333}.total-amount{font-size:15px;font-weight:700;color:#28a745}.total-expected{font-size:13px;color:#6c757d}.analytics-grid{display:grid;grid-template-columns:1fr;gap:10px;padding:12px 15px}.analytic-item{text-align:center;padding:12px;background:#f8f9fa;border-radius:6px}.analytic-value{display:block;font-size:20px;font-weight:700;color:#333;margin-bottom:5px}.analytic-label{font-size:11px;color:#6c757d;font-weight:500;text-transform:uppercase;letter-spacing:.5px}}@media (max-width: 480px){.revenue-overview{margin:0 5px 15px;gap:10px}.overview-card{border-radius:8px}.card-header{padding:10px 12px}.card-header h3{font-size:13px;font-weight:600;color:#333}.revenue-breakdown{padding:10px 12px}.revenue-item{padding:6px 0}.item-label{font-size:12px;font-weight:500;color:#555}.item-amount{font-size:13px;font-weight:600;color:#28a745}.item-expected{font-size:11px;color:#6c757d}.revenue-total{padding:10px;margin-top:8px}.total-label{font-size:13px;font-weight:700;color:#333}.total-amount{font-size:14px;font-weight:700;color:#28a745}.total-expected{font-size:12px;color:#6c757d}.analytics-grid{padding:10px 12px;gap:8px}.analytic-item{padding:10px;background:#f8f9fa;border-radius:6px}.analytic-value{font-size:18px;font-weight:700;color:#333;margin-bottom:4px}.analytic-label{font-size:10px;color:#6c757d;font-weight:500;text-transform:uppercase;letter-spacing:.5px}}.overview-card{background:#fff;border-radius:8px;box-shadow:0 2px 8px #00000014;overflow:hidden}.card-header{display:flex;align-items:center;gap:8px;padding:8px 10px;background:linear-gradient(135deg,#f8f9fa,#e9ecef);border-bottom:1px solid #dee2e6}.card-header h3{margin:0;font-size:13px;color:#333;font-weight:600}.revenue-breakdown{padding:6px 8px;font-size:.85rem}.revenue-item{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid #f8f9fa}.revenue-item:last-child{border-bottom:none}.item-label{font-weight:500;color:#555}.item-amount{font-weight:600;color:#28a745}.item-expected{color:#6c757d;font-size:13px}.revenue-total{display:flex;justify-content:space-between;align-items:center;margin-top:10px;border-top:2px solid #dee2e6;background:#f8f9fa;border-radius:4px;padding:12px}.total-label{font-weight:700;color:#333;font-size:16px}.total-amount{font-weight:700;color:#28a745;font-size:16px}.total-expected{color:#6c757d;font-size:14px}.analytics-grid{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:12px 15px;flex-wrap:wrap}.analytic-item{text-align:center;padding:8px 12px;background:#f8f9fa;border-radius:6px;min-width:80px;flex:1}.analytic-value{display:block;font-size:18px;font-weight:700;color:#333;margin-bottom:2px}.analytic-label{font-size:10px;color:#6c757d;font-weight:500;text-transform:uppercase;letter-spacing:.5px;line-height:1.2}.loading-screen{position:fixed;inset:0;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;z-index:9999;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.loading-container{background:#fffffff2;border-radius:20px;padding:3rem;box-shadow:0 20px 60px #0000004d;text-align:center;max-width:400px;width:90%;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.2)}.loading-spinner{margin-bottom:2rem}.spinner-icon{font-size:4rem;color:var(--primary-maroon);animation:spin 2s linear infinite}.loading-content h2{margin:0 0 1rem;font-size:1.5rem;font-weight:700;color:var(--primary-maroon);letter-spacing:-.025em}.loading-content p{margin:0 0 2rem;color:#6c757d;font-size:1rem;line-height:1.5}.loading-progress{margin-top:2rem}.progress-bar{width:100%;height:6px;background:#e9ecef;border-radius:3px;overflow:hidden;box-shadow:inset 0 1px 2px #0000001a}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary-maroon) 0%,var(--accent-red) 100%);border-radius:3px;animation:progress 2s ease-in-out infinite}@keyframes progress{0%{width:0%}50%{width:70%}to{width:100%}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.loading-container{padding:2rem;margin:1rem;border-radius:16px}.spinner-icon{font-size:3rem}.loading-content h2{font-size:1.25rem}.loading-content p{font-size:.9rem}}@media (max-width: 480px){.loading-container{padding:1.5rem;margin:.5rem}.spinner-icon{font-size:2.5rem}.loading-content h2{font-size:1.1rem}.loading-content p{font-size:.85rem}}.payments-dashboard{padding:2rem;min-height:100vh;background:#f8fafc;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2.5rem;padding:2.5rem 2rem;background:#fff;border-radius:16px;box-shadow:0 4px 12px #0000000d;border:1px solid #e9ecef;position:relative;min-height:120px}.header-left{flex:1;display:flex;flex-direction:column;justify-content:center;padding-right:3rem}.page-title{font-size:2.5rem;font-weight:700;color:var(--primary-maroon);margin:0 0 .5rem;letter-spacing:-.025em;line-height:1.1}.page-subtitle{font-size:1.1rem;color:#6c757d;margin:0;font-weight:400;line-height:1.4;max-width:500px}.header-actions{display:flex;gap:1rem;align-items:center;flex-shrink:0;margin-left:auto}.modern-btn{display:flex;align-items:center;gap:.5rem;padding:.875rem 1.5rem;background:linear-gradient(135deg,var(--primary-maroon) 0%,var(--accent-red) 100%);color:#fff;border:none;border-radius:12px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #77171b4d;text-decoration:none}.modern-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #77171b66;color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background:#fff;border-radius:16px;padding:1.5rem;box-shadow:0 4px 12px #0000000d;border:1px solid #e9ecef;display:flex;align-items:center;gap:1rem;transition:all .3s ease;position:relative;overflow:hidden}.stat-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #0000001a}.stat-card.primary{border-left:4px solid var(--primary-maroon)}.stat-card.warning{border-left:4px solid #ffc107}.stat-card.success{border-left:4px solid #28a745}.stat-card.info{border-left:4px solid #17a2b8}.stat-icon{width:60px;height:60px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff;flex-shrink:0}.stat-card.primary .stat-icon{background:linear-gradient(135deg,var(--primary-maroon) 0%,var(--accent-red) 100%)}.stat-card.warning .stat-icon{background:linear-gradient(135deg,#ffc107,#fd7e14)}.stat-card.success .stat-icon{background:linear-gradient(135deg,#28a745,#20c997)}.stat-card.info .stat-icon{background:linear-gradient(135deg,#17a2b8,#6f42c1)}.stat-value{font-size:1.75rem;font-weight:700;color:#2d3436;margin-bottom:.25rem;line-height:1.2}.stat-label{font-size:.875rem;color:#6c757d;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.controls-bar{background:#fff;border-radius:16px;padding:1.5rem;margin-bottom:2rem;box-shadow:0 4px 12px #0000000d;border:1px solid #e9ecef;display:flex;justify-content:space-between;align-items:center;gap:2rem}.search-section{flex:1;max-width:400px}.search-input-wrapper{position:relative;width:100%}.search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:#6c757d;font-size:1.2rem;z-index:1}.modern-search{width:100%;padding:.875rem 1rem .875rem 3rem;border:2px solid #e9ecef;border-radius:12px;font-size:1rem;background:#fff;transition:all .3s ease;box-sizing:border-box}.modern-search:focus{outline:none;border-color:var(--primary-maroon);box-shadow:0 0 0 3px #77171b1a}.filter-section{display:flex;align-items:center;gap:1rem}.modern-filter{padding:.875rem 1rem;border:2px solid #e9ecef;border-radius:12px;font-size:1rem;background:#fff;cursor:pointer;transition:all .3s ease;min-width:150px}.modern-filter:focus{outline:none;border-color:var(--primary-maroon);box-shadow:0 0 0 3px #77171b1a}.action-buttons{display:flex;gap:.75rem;align-items:center}.btn-secondary{display:flex;align-items:center;gap:.5rem;padding:.875rem 1.5rem;background:#6c757d;color:#fff;border:none;border-radius:12px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s ease;text-decoration:none}.btn-secondary:hover{background:#5a6268;transform:translateY(-1px);color:#fff}.payments-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:1.5rem;margin-bottom:2rem}.payment-card-modern{background:#fff;border-radius:16px;box-shadow:0 4px 12px #0000000d;border:1px solid #e9ecef;overflow:hidden;transition:all .3s ease;position:relative}.payment-card-modern:hover{transform:translateY(-4px);box-shadow:0 12px 24px #0000001a}.payment-card-modern.paid{border-left:4px solid #28a745}.payment-card-modern.pending{border-left:4px solid #ffc107}.payment-card-modern.overdue{border-left:4px solid #dc3545}.card-header-modern{display:flex;justify-content:space-between;align-items:flex-start;padding:1.5rem;border-bottom:1px solid #e9ecef;background:linear-gradient(135deg,#f8f9fa,#e9ecef)}.student-info{display:flex;align-items:center;gap:1rem;flex:1}.student-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary-maroon) 0%,var(--accent-red) 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;flex-shrink:0}.student-details{flex:1;min-width:0}.student-name{font-size:1.1rem;font-weight:600;color:#2d3436;margin:0 0 .25rem;line-height:1.3}.payment-id{font-size:.875rem;color:#6c757d;font-weight:500}.status-indicator{display:flex;align-items:center;padding:.5rem .75rem;border-radius:20px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;flex-shrink:0;white-space:nowrap;min-width:fit-content}.status-indicator.paid{background:#d4edda;color:#155724}.status-indicator.pending{background:#fff3cd;color:#856404}.status-indicator.overdue{background:#f8d7da;color:#721c24}.status-text{font-size:.75rem;font-weight:600}.card-content-modern{padding:1rem}.installment-info{margin-bottom:.75rem;padding:.75rem;background:#f8f9fa;border-radius:8px;border:1px solid #e9ecef;display:grid;grid-template-columns:1fr 1fr 1fr;gap:.5rem}.installment-item{text-align:center;padding:.25rem;background:#fff;border-radius:6px;border:1px solid #e9ecef;min-height:50px;display:flex;flex-direction:column;justify-content:center}.installment-label{display:block;font-size:.65rem;color:#6c757d;font-weight:500;text-transform:uppercase;letter-spacing:.5px;margin-bottom:.125rem;line-height:1.2}.installment-status{display:inline-block;padding:.15rem .4rem;border-radius:10px;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.installment-status.paid{background:#d4edda;color:#155724}.installment-status.pending{background:#fff3cd;color:#856404}.balance-amount{text-align:center;padding:.25rem;background:#fff;border-radius:6px;border:1px solid #e9ecef;min-height:50px;display:flex;flex-direction:column;justify-content:center}.balance-label{display:block;font-size:.65rem;color:#6c757d;font-weight:500;text-transform:uppercase;letter-spacing:.5px;margin-bottom:.125rem;line-height:1.2}.balance-value{display:block;font-size:.9rem;font-weight:700;color:#dc3545;line-height:1.2}.payment-summary{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin-bottom:.75rem;font-size:.8rem}.summary-item{display:flex;justify-content:space-between;align-items:center;padding:.25rem 0}.summary-label{font-weight:500;color:#6c757d;font-size:.75rem}.summary-value{font-weight:600;color:#2d3436;font-size:.8rem}.detail-item{display:flex;align-items:center;gap:.75rem;padding:.5rem 0}.detail-item svg{font-size:1.1rem;color:#6c757d;flex-shrink:0}.detail-item span{font-size:.9rem;color:#495057;line-height:1.4}.card-actions-modern{padding:.75rem 1rem;background:#f8f9fa;border-top:1px solid #e9ecef;display:flex;justify-content:space-between;gap:.5rem}.action-btn{display:flex;align-items:center;gap:.25rem;padding:.6rem .8rem;border:none;border-radius:8px;font-weight:600;font-size:.8rem;cursor:pointer;transition:all .3s ease;text-decoration:none;min-width:70px;justify-content:center;white-space:nowrap;flex:1}.receipt-btn:hover{background:#138496;transform:translateY(-1px);box-shadow:0 4px 8px #17a2b84d}.empty-state{grid-column:1 / -1;text-align:center;padding:4rem 2rem;background:#fff;border-radius:16px;box-shadow:0 4px 12px #0000000d;border:2px dashed #e9ecef}.empty-icon{font-size:4rem;color:#6c757d;margin-bottom:1.5rem;opacity:.5}.empty-state h3{font-size:1.5rem;color:#2d3436;margin:0 0 1rem;font-weight:600}.empty-state p{font-size:1rem;color:#6c757d;margin:0 0 2rem;line-height:1.5}.empty-state .btn-primary{display:inline-flex;align-items:center;gap:.5rem;padding:1rem 2rem;background:linear-gradient(135deg,var(--primary-maroon) 0%,var(--accent-red) 100%);color:#fff;border:none;border-radius:12px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s ease;text-decoration:none}.empty-state .btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #77171b66;color:#fff}.payment-analytics-compact{margin:0 1rem 1rem 0}.analytics-card{background:#fff;border-radius:12px;box-shadow:0 4px 12px #00000014;border:1px solid #e9ecef;overflow:hidden}.analytics-header{display:flex;align-items:center;gap:.75rem;padding:1rem 1.25rem;background:linear-gradient(135deg,#f8f9fa,#e9ecef);border-bottom:1px solid #e9ecef}.analytics-header h3{margin:0;font-size:1.1rem;font-weight:600;color:var(--primary-maroon)}.header-stats{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.5rem}.header-stats .stat-item{display:flex;align-items:center;gap:.5rem;padding:.25rem .75rem;background:#ffffff1a;border-radius:12px;font-size:.85rem;font-weight:500;color:var(--dark-gray);border:1px solid rgba(255,255,255,.2)}.header-stats .stat-item svg{font-size:1rem;opacity:.8}.payments-header{display:flex;justify-content:space-between;align-items:flex-start;padding:0 0 1rem;border-bottom:1px solid #e9ecef;margin-bottom:0}.header-content h1{margin:0 0 .5rem;font-size:2.5rem;font-weight:700;color:var(--primary-maroon);letter-spacing:-.025em}.header-content p{margin:0;color:var(--dark-gray);font-size:1.1rem;font-weight:500}.add-payment-btn{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:linear-gradient(135deg,var(--primary-maroon) 0%,var(--accent-red) 100%);color:#fff;border:none;border-radius:12px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #77171b4d}.add-payment-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #77171b66}.payments-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.stat-card{background:var(--white);border-radius:12px;padding:1.5rem;box-shadow:0 4px 12px #0000000d;border-left:4px solid;display:flex;align-items:center;transition:transform .3s ease,box-shadow .3s ease;position:relative;overflow:hidden}.stat-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0000001a}.stat-card:nth-child(1){border-left-color:var(--primary-maroon)}.stat-card:nth-child(2){border-left-color:#ffc107}.stat-card:nth-child(3){border-left-color:#17a2b8}.stat-icon{font-size:2.5rem;margin-right:1rem;opacity:.8}.stat-content{flex:1}.stat-value{font-size:1.5rem;font-weight:700;color:var(--dark-gray);margin-bottom:.25rem}.stat-label{font-size:.9rem;color:#6c757d;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.payments-controls{display:flex;justify-content:space-between;align-items:center;gap:2rem;padding:1.5rem;background:var(--white);border-radius:12px;box-shadow:0 2px 8px #0000000d}.search-filter{display:flex;gap:1rem;align-items:center}.search-box{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:1rem;color:#6c757d;font-size:1.2rem}.search-box input{padding:.75rem 1rem .75rem 3rem;border:2px solid #e9ecef;border-radius:8px;font-size:1rem;width:300px;transition:border-color .3s ease}.search-box input:focus{outline:none;border-color:var(--primary-maroon);box-shadow:0 0 0 3px #77171b1a}.status-filter{padding:.75rem 1rem;border:2px solid #e9ecef;border-radius:8px;font-size:1rem;background:#fff;cursor:pointer;transition:border-color .3s ease}.status-filter:focus{outline:none;border-color:var(--primary-maroon);box-shadow:0 0 0 3px #77171b1a}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:2rem}.modal-content{background:#fff;border-radius:16px;width:100%;max-width:700px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 40px #00000026}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:2rem;border-bottom:1px solid #e9ecef}.modal-header h2{margin:0;font-size:1.75rem;font-weight:700;color:var(--primary-maroon)}.close-btn{background:none;border:none;font-size:1.5rem;cursor:pointer;color:#6c757d;padding:.5rem;border-radius:50%;transition:all .3s 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