:root{--color-slate-50: #f8fafc;--color-slate-100: #f1f5f9;--color-slate-200: #e2e8f0;--color-slate-300: #cbd5e1;--color-slate-400: #94a3b8;--color-slate-500: #64748b;--color-slate-600: #475569;--color-slate-700: #334155;--color-slate-800: #1e293b;--color-slate-900: #0f172a;--color-indigo-50: rgba(238, 242, 255, .2);--color-indigo-100: #e0e7ff;--color-indigo-500: #6366f1;--color-indigo-600: #4f46e5;--color-indigo-700: #4338ca;--color-indigo-800: #3730a3;--color-amber-50: rgba(255, 251, 235, .5);--color-amber-100: #fef3c7;--color-amber-200: #fde68a;--color-amber-500: #f59e0b;--color-amber-600: #d97706;--color-amber-700: #b45309;--color-amber-900: #78350f;--color-emerald-50: rgba(236, 253, 245, .2);--color-emerald-100: #d1fae5;--color-emerald-500: #10b981;--color-emerald-600: #059669;--color-emerald-700: #047857;--color-rose-50: #fff1f2;--color-rose-500: #f43f5e;--spacing-1: .25rem;--spacing-2: .5rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-3xl: 2rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1);--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display: "Outfit", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--color-slate-50);color:var(--color-slate-800);line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-family:var(--font-display)}.app-container{min-height:100vh;padding-bottom:5rem}@media(min-width:640px){.app-container{padding-bottom:4rem}}.header{background:#fff;border-bottom:1px solid var(--color-slate-200);position:sticky;top:0;z-index:30;box-shadow:var(--shadow-sm)}.header-content{max-width:56rem;margin:0 auto;padding:var(--spacing-3) var(--spacing-4);display:flex;flex-direction:column;gap:var(--spacing-3)}@media(min-width:640px){.header-content{flex-direction:row;justify-content:space-between;align-items:center;padding:var(--spacing-4)}}.header-title{display:flex;align-items:center;gap:var(--spacing-2)}.header-title h1{font-size:1.125rem;font-weight:900;color:var(--color-slate-800);letter-spacing:-.025em}@media(min-width:640px){.header-title h1{font-size:1.25rem}}.header-icon{background:var(--color-indigo-600);padding:var(--spacing-2);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.header-icon svg{color:#fff}.header-controls{display:flex;align-items:center;gap:var(--spacing-2);overflow-x:auto;padding-bottom:var(--spacing-1)}@media(min-width:640px){.header-controls{padding-bottom:0}}.mode-toggle{display:flex;background:var(--color-slate-100);padding:var(--spacing-1);border-radius:var(--radius-xl);border:1px solid var(--color-slate-200);flex-shrink:0}.mode-btn{padding:var(--spacing-2) var(--spacing-3);border-radius:var(--radius-lg);font-size:.75rem;font-weight:900;color:var(--color-slate-500);background:transparent;border:none;cursor:pointer;transition:all .2s}@media(min-width:640px){.mode-btn{padding:var(--spacing-2) var(--spacing-4);font-size:.875rem}}.mode-btn-active-ft{background:#fff;color:var(--color-indigo-600);box-shadow:var(--shadow-sm)}.mode-btn-active-pt{background:#fff;color:var(--color-amber-600);box-shadow:var(--shadow-sm)}.toolbar{display:flex;gap:var(--spacing-1);flex-shrink:0}.toolbar-btn{padding:var(--spacing-2);background:#fff;border:1px solid var(--color-slate-200);border-radius:var(--radius-xl);color:var(--color-slate-600);box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:var(--spacing-2);cursor:pointer;transition:all .2s}.toolbar-btn:hover{background:var(--color-slate-50)}.toolbar-btn-text{font-size:.625rem;font-weight:700;display:none}@media(min-width:768px){.toolbar-btn-text{display:inline}}.main-content{max-width:56rem;margin:0 auto;padding:var(--spacing-6) var(--spacing-3);display:flex;flex-direction:column;gap:var(--spacing-6)}@media(min-width:640px){.main-content{padding:var(--spacing-8) var(--spacing-4);gap:var(--spacing-8)}}.dashboard{display:grid;grid-template-columns:1fr;gap:var(--spacing-4);animation:fadeIn .7s ease-out}@media(min-width:640px){.dashboard{grid-template-columns:repeat(3,1fr);gap:var(--spacing-6)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.dashboard-card{background:#fff;padding:var(--spacing-5);border-radius:var(--radius-2xl);box-shadow:var(--shadow-sm);border:1px solid var(--color-slate-200)}@media(min-width:640px){.dashboard-card{padding:var(--spacing-6);border-radius:var(--radius-3xl)}}.dashboard-label{font-size:.625rem;font-weight:700;color:var(--color-slate-400);text-transform:uppercase;letter-spacing:.1em}.dashboard-value{margin-top:var(--spacing-1);display:flex;align-items:baseline;gap:var(--spacing-1)}.dashboard-number{font-size:1.875rem;font-weight:900;color:var(--color-slate-700)}@media(min-width:640px){.dashboard-number{font-size:2.25rem}}.dashboard-unit{font-size:.75rem;color:var(--color-slate-400);font-weight:700}.dashboard-card-highlight{padding:var(--spacing-5);border-radius:var(--radius-2xl);box-shadow:var(--shadow-xl);color:#fff;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}@media(min-width:640px){.dashboard-card-highlight{padding:var(--spacing-6);border-radius:var(--radius-3xl)}}.bg-indigo-gradient{background:linear-gradient(to bottom right,var(--color-indigo-600),var(--color-indigo-800))}.bg-amber-gradient{background:linear-gradient(to bottom right,var(--color-amber-600),var(--color-amber-700))}.dashboard-highlight-content{position:relative;z-index:10}.dashboard-highlight-label{font-size:.625rem;font-weight:700;opacity:.8;text-transform:uppercase;letter-spacing:.1em}.dashboard-highlight-value{margin-top:var(--spacing-1)}.dashboard-highlight-value span{font-size:2.25rem;font-weight:900;letter-spacing:-.05em}@media(min-width:640px){.dashboard-highlight-value span{font-size:3rem}}.dashboard-highlight-icon{position:absolute;right:-1rem;bottom:-1rem;width:5rem;height:5rem;opacity:.15;transform:rotate(-12deg)}.config-section{display:flex;flex-direction:column;gap:var(--spacing-6)}.config-header{display:flex;justify-content:space-between;align-items:center;padding:0 var(--spacing-1)}.config-title{font-size:1rem;font-weight:900;color:var(--color-slate-700);display:flex;align-items:center;gap:var(--spacing-2)}@media(min-width:640px){.config-title{font-size:1.125rem}}.config-count{color:var(--color-slate-300);font-weight:500}.add-class-btn{background:var(--color-slate-900);color:#fff;padding:var(--spacing-2) var(--spacing-4);border-radius:var(--radius-xl);font-size:.75rem;font-weight:900;display:flex;align-items:center;gap:var(--spacing-2);border:none;cursor:pointer;box-shadow:var(--shadow-lg);transition:all .2s}@media(min-width:640px){.add-class-btn{padding:var(--spacing-2) var(--spacing-6);font-size:.875rem}}.add-class-btn:hover:not(:disabled){background:#000}.add-class-btn:disabled{background:var(--color-slate-200);cursor:not-allowed}.add-class-text{display:none}@media(min-width:400px){.add-class-text{display:inline}}.pt-extra-section{background:var(--color-amber-50);border-radius:var(--radius-2xl);padding:var(--spacing-5);border:1px solid var(--color-amber-100);display:flex;flex-direction:column;gap:var(--spacing-4)}@media(min-width:400px){.pt-extra-section{flex-direction:row;justify-content:space-between;align-items:center}}.pt-extra-header{display:flex;align-items:center;gap:var(--spacing-3)}.pt-extra-icon{background:var(--color-amber-600);padding:var(--spacing-2);border-radius:var(--radius-xl)}.pt-extra-icon svg{color:#fff}.pt-extra-title{font-size:.875rem;font-weight:900;color:var(--color-amber-900);letter-spacing:-.025em}.pt-extra-subtitle{font-size:.5625rem;color:#b4530999;font-weight:700;text-transform:uppercase}.pt-extra-input-wrapper{display:flex;align-items:center;gap:var(--spacing-3);background:#fff;padding:var(--spacing-2) var(--spacing-4);border-radius:var(--radius-xl);border:1px solid var(--color-amber-200);box-shadow:var(--shadow-sm);width:100%;justify-content:center}@media(min-width:400px){.pt-extra-input-wrapper{width:auto}}.pt-extra-input{width:3rem;text-align:center;font-weight:900;color:var(--color-amber-600);border:none;outline:none;font-size:1rem;background:transparent}.pt-extra-unit{font-size:.625rem;color:var(--color-slate-400);font-weight:700;text-transform:uppercase}.class-list{display:flex;flex-direction:column;gap:var(--spacing-4)}@media(min-width:640px){.class-list{gap:var(--spacing-6)}}.class-card{background:#fff;border-radius:var(--radius-2xl);padding:var(--spacing-5);box-shadow:var(--shadow-sm);border:1px solid var(--color-slate-200);position:relative;transition:box-shadow .2s}@media(min-width:640px){.class-card{border-radius:var(--radius-3xl);padding:var(--spacing-8)}}.class-card:hover{box-shadow:var(--shadow-md)}.class-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-6);gap:var(--spacing-4)}@media(min-width:640px){.class-card-header{margin-bottom:var(--spacing-10)}}.class-card-title{display:flex;align-items:center;gap:var(--spacing-4)}.class-card-index{width:2.5rem;height:2.5rem;border-radius:var(--radius-xl);background:var(--color-slate-50);display:flex;align-items:center;justify-content:center;font-weight:900;color:var(--color-slate-400);border:1px solid var(--color-slate-100);box-shadow:inset 0 2px 4px #0000000d;flex-shrink:0}@media(min-width:640px){.class-card-index{width:3rem;height:3rem}}.class-card-info{display:flex;flex-direction:column;gap:var(--spacing-1);overflow:hidden}.class-card-controls{display:flex;flex-wrap:wrap;align-items:center;gap:var(--spacing-3)}.class-type-select{background:transparent;font-size:1.125rem;font-weight:900;color:var(--color-slate-800);border:none;padding:0;cursor:pointer;transition:color .2s}.class-type-select:hover{color:var(--color-indigo-600)}.class-type-select:focus{outline:none}.frequency-toggle{display:flex;background:var(--color-slate-100);padding:2px;border-radius:var(--radius-lg);border:1px solid var(--color-slate-200);flex-shrink:0}.frequency-btn{padding:var(--spacing-1) var(--spacing-2);border-radius:var(--radius-md);font-size:.625rem;font-weight:900;color:var(--color-slate-400);background:transparent;border:none;cursor:pointer;transition:all .2s}@media(min-width:640px){.frequency-btn{padding:var(--spacing-1) var(--spacing-3)}}.frequency-btn-active{background:#fff;box-shadow:var(--shadow-sm);color:var(--color-indigo-600)}.frequency-btn-single{background:var(--color-amber-500);color:#fff;box-shadow:var(--shadow-sm)}.class-card-badges{display:flex;align-items:center;gap:var(--spacing-2)}.stage-badge{padding:2px var(--spacing-2);border-radius:4px;font-size:.5625rem;font-weight:900;border:1px solid var(--color-slate-100);text-transform:uppercase;letter-spacing:.05em;background:var(--color-slate-50);color:var(--color-slate-500)}.discount-badge{font-size:.5625rem;font-weight:700;color:var(--color-amber-600);text-transform:uppercase}.delete-btn{position:absolute;top:var(--spacing-5);right:var(--spacing-5);color:var(--color-slate-200);padding:var(--spacing-2);border-radius:var(--radius-xl);background:transparent;border:none;cursor:pointer;transition:all .2s}@media(min-width:640px){.delete-btn{position:static}}.delete-btn:hover{color:var(--color-rose-500);background:var(--color-rose-50)}.class-card-body{display:grid;grid-template-columns:1fr;gap:var(--spacing-8)}@media(min-width:1024px){.class-card-body{grid-template-columns:1fr 1fr;gap:var(--spacing-12)}}.class-card-controls-section{display:flex;flex-direction:column;gap:var(--spacing-6)}@media(min-width:640px){.class-card-controls-section{gap:var(--spacing-8)}}.student-count-section{display:flex;flex-direction:column;gap:var(--spacing-4)}.student-count-header{display:flex;justify-content:space-between;align-items:center}.control-label{font-size:.625rem;font-weight:900;color:var(--color-slate-400);text-transform:uppercase;letter-spacing:.1em;display:flex;align-items:center;gap:var(--spacing-2)}.student-count-value{font-size:1.5rem;font-weight:900;color:var(--color-slate-800)}.student-count-max{font-size:.75rem;color:var(--color-slate-300);font-weight:500}.range-slider{appearance:none;width:100%;background:transparent;cursor:pointer}.range-slider::-webkit-slider-thumb{appearance:none;border:4px solid white;height:26px;width:26px;border-radius:50%;background:var(--color-indigo-600);margin-top:-9px;box-shadow:var(--shadow-md)}.range-slider.accent-amber::-webkit-slider-thumb{background:var(--color-amber-600)}.range-slider::-webkit-slider-runnable-track{width:100%;height:8px;background:var(--color-slate-200);border-radius:4px}.hours-input-section{margin-top:var(--spacing-4);display:flex;justify-content:space-between;align-items:center;background:var(--color-slate-50);padding:var(--spacing-3);border-radius:var(--radius-xl);border:1px solid var(--color-slate-100)}.hours-input-wrapper{display:flex;align-items:center;gap:var(--spacing-1)}.hours-input{width:2.5rem;background:transparent;text-align:right;font-weight:900;color:var(--color-slate-700);border:none;outline:none;font-size:.875rem}.hours-unit{font-size:.625rem;color:var(--color-slate-300);font-weight:700;text-transform:uppercase}.class-card-result{border-radius:var(--radius-2xl);padding:var(--spacing-5);display:flex;flex-direction:column;justify-content:center;border:2px solid transparent;transition:border-color .2s}@media(min-width:640px){.class-card-result{border-radius:var(--radius-3xl);padding:var(--spacing-6)}}.result-indigo{background:var(--color-indigo-50);border-color:var(--color-indigo-100)}.result-emerald{background:var(--color-emerald-50);border-color:var(--color-emerald-100)}.result-content{display:flex;justify-content:space-between;align-items:flex-end}.result-label{font-size:.5625rem;font-weight:900;color:var(--color-slate-400);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--spacing-1)}.result-value{font-size:1.5rem;font-weight:900}@media(min-width:640px){.result-value{font-size:1.875rem}}.text-indigo{color:var(--color-indigo-700)}.text-emerald{color:var(--color-emerald-700)}.result-icon{width:1.5rem;height:1.5rem;opacity:.1}@media(min-width:640px){.result-icon{width:2rem;height:2rem}}.result-detail{margin-top:var(--spacing-3);padding-top:var(--spacing-3);border-top:1px solid rgba(148,163,184,.2)}@media(min-width:640px){.result-detail{margin-top:var(--spacing-4);padding-top:var(--spacing-4)}}.result-detail-text{font-size:.5625rem;color:var(--color-slate-400);line-height:1.5;font-style:italic}.app-footer{position:fixed;bottom:0;left:0;right:0;background:#ffffffe6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--color-slate-200);padding:var(--spacing-3);z-index:40;text-align:center}.app-footer span{font-size:.5625rem;font-weight:900;color:var(--color-slate-300);text-transform:uppercase;letter-spacing:.4em}.print-report{display:none}.icon-xs{width:.75rem;height:.75rem}.icon-sm{width:1rem;height:1rem}.icon-md{width:1.25rem;height:1.25rem}.icon-lg{width:1.75rem;height:1.75rem}.animate-pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media print{.print-hidden{display:none!important}.print-report{display:block!important;margin-top:var(--spacing-12);background:#fff;border-radius:var(--radius-3xl);padding:var(--spacing-10);border:1px solid var(--color-slate-200)}body{background:#fff!important}.main-content{max-width:100%!important;padding:0!important}.app-container{padding-bottom:0}.header,.app-footer{display:none}}.print-report-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-10);border-bottom:2px solid var(--color-slate-100);padding-bottom:var(--spacing-6);text-align:left}.print-report-title{font-weight:900;color:var(--color-slate-800);font-size:1.5rem;display:flex;align-items:center;gap:var(--spacing-3)}.print-report-meta{text-align:right;font-size:.75rem;color:var(--color-slate-400);font-weight:700}.print-table{width:100%;font-size:.875rem;text-align:left;border-collapse:collapse}.print-table-header tr{color:var(--color-slate-400);border-bottom:1px solid var(--color-slate-100);text-transform:uppercase;font-size:.625rem;font-weight:900}.print-table-header th{padding:var(--spacing-4) 0}.print-table-body tr{border-bottom:1px solid var(--color-slate-50)}.print-table-body td{padding:var(--spacing-6) 0}.print-item-name{font-weight:900;color:var(--color-slate-700)}.print-item-detail{font-size:.625rem;color:var(--color-slate-400)}.print-item-stats{color:var(--color-slate-500)}.print-item-amount{text-align:right;font-family:monospace;font-weight:900;color:var(--color-slate-800)}.print-row-highlight-ft{background:#eef2ff4d;font-weight:900}.print-row-highlight-ft td{color:var(--color-indigo-700)}.print-row-highlight-pt{background:#fffbeb4d;font-weight:900}.print-row-highlight-pt td{color:var(--color-amber-700)}.print-highlight-label{color:inherit}.print-highlight-amount{text-align:right;font-family:monospace}.print-row-total{border-top:4px solid var(--color-slate-800);font-weight:900}.print-total-label{padding:var(--spacing-10) 0;font-size:1.5rem;color:var(--color-slate-800)}.print-total-amount{padding:var(--spacing-10) 0;text-align:right;font-size:2.25rem;color:var(--color-indigo-600)}.text-right{text-align:right}.custom-scrollbar::-webkit-scrollbar{width:4px;height:4px}.custom-scrollbar::-webkit-scrollbar-thumb{background:var(--color-slate-300);border-radius:10px}.glass{background:#ffffffb3;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.5)}.hover-float{transition:transform .3s cubic-bezier(.34,1.56,.64,1)}.hover-float:hover{transform:translateY(-5px)}.animate-slide-up{animation:slideUp .5s ease-out forwards}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}