:root{--font-main: "Inter", system-ui, sans-serif;--font-child: "Nunito", system-ui, sans-serif;--color-a: #7BB8F5;--color-a-light: #D6EAFF;--color-a-text: #1a4a7a;--color-b: #F5A97B;--color-b-light: #FFE8D6;--color-b-text: #7a3a10;--bg: #f5f7fa;--surface: #ffffff;--surface-2: #f0f4f8;--border: #e2e8f0;--border-focus: #94b8e8;--text-primary: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--today-ring: #6366f1;--shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 16px rgba(0,0,0,.1), 0 2px 8px rgba(0,0,0,.06);--shadow-lg: 0 10px 40px rgba(0,0,0,.14), 0 4px 16px rgba(0,0,0,.08);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--tr: .2s cubic-bezier(.4,0,.2,1);--tr-slow: .35s cubic-bezier(.4,0,.2,1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{font-family:var(--font-main);background:var(--bg);color:var(--text-primary);min-height:100dvh;overflow-x:hidden}button{cursor:pointer;border:none;background:none;font-family:inherit}input{font-family:inherit}.app{min-height:100dvh;display:flex;flex-direction:column;max-width:560px;margin:0 auto;padding:0 0 env(safe-area-inset-bottom)}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 12px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-logo{display:flex;align-items:center;gap:8px}.header-logo span{font-size:18px;font-weight:700;background:linear-gradient(135deg,var(--color-a-text) 0%,var(--color-b-text) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-logo 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.day-number{color:var(--color-b-text)}.day-cell:not(.parent-a):not(.parent-b) .day-number{color:var(--text-secondary)}@keyframes dayTap{0%{transform:scale(1)}40%{transform:scale(.85)}70%{transform:scale(1.05)}to{transform:scale(1)}}.day-cell.tapping{animation:dayTap .25s ease forwards}.day-cell.custom-a{background:var(--custom-a-light, var(--color-a-light))}.day-cell.custom-b{background:var(--custom-b-light, var(--color-b-light))}.child-view .calendar-grid{gap:4px;padding:8px}.child-view .day-cell{border-radius:var(--radius-md);gap:4px;padding:4px 0}.child-view .day-cell.parent-a{background:var(--color-a-light)}.child-view .day-cell.parent-b{background:var(--color-b-light)}.child-view .day-number{font-family:var(--font-child);font-size:15px;font-weight:800}.child-view .day-cell.parent-a .home-icon{color:var(--color-a-text)}.child-view .day-cell.parent-b .home-icon{color:var(--color-b-text)}.child-view 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var(--tr)}.day-pill.active{background:var(--color-a);color:#fff;box-shadow:var(--shadow-sm)}.day-pill:hover:not(.active){background:var(--color-a-light);color:var(--color-a-text)}.settings-overlay{position:fixed;inset:0;background:#0f172a73;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:200;animation:fadeIn var(--tr) ease;display:flex;align-items:flex-end}.settings-sheet{width:100%;max-width:560px;margin:0 auto;background:var(--surface);border-radius:var(--radius-xl) var(--radius-xl) 0 0;padding:0 20px 24px;box-shadow:var(--shadow-lg);animation:slideUp var(--tr-slow) cubic-bezier(.34,1.56,.64,1);max-height:90dvh;overflow-y:auto}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.sheet-handle{width:40px;height:4px;border-radius:2px;background:var(--border);margin:12px auto 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var(--border);border-radius:var(--radius-md);font-size:13px;font-weight:600;color:var(--text-secondary);transition:all var(--tr)}.action-btn:hover{background:var(--surface-2);color:var(--text-primary);border-color:var(--text-primary)}@media print{.no-print{display:none!important}body{background:#fff;padding:0;margin:0}.app{max-width:100%;padding:0}.scroll-area{overflow:visible}.calendar-grid{gap:1px;border:1px solid #ddd}.day-cell{border:1px solid #eee;border-radius:0;min-height:80px;aspect-ratio:auto}.day-cell.parent-a{background:var(--color-a-light)!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}.day-cell.parent-b{background:var(--color-b-light)!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}.legend{border:none;padding:20px 0}.legend-item{border:1px solid #eee}.month-name{font-size:32px}.year-name{font-size:18px}.event-indicator{top:2px;right:2px;scale:1.2}}@media(min-width:768px){.app{max-width:640px;padding:24px 0 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20px}.coffee-icon-wrapper{color:#ec4899;background:#fdf2f8;padding:16px;border-radius:50%;margin-bottom:20px}.support-message{font-size:15px;color:var(--text-secondary);line-height:1.5;font-weight:500}.amount-grid{display:flex;flex-direction:column;gap:12px;padding:0 24px 20px}.amount-btn{background:var(--surface-2);padding:16px;border-radius:var(--radius-md);font-size:16px;font-weight:700;color:var(--text-primary);border:2px solid transparent;transition:all var(--tr)}.amount-btn:hover{background:#fdf2f8;color:#ec4899;border-color:#ec4899}.support-footer{display:flex;align-items:center;justify-content:center;gap:8px;padding:20px;font-size:13px;color:#ec4899;font-weight:600}.toast-notification{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:#fdf2f8;color:#be185d;padding:14px 24px;border-radius:100px;display:flex;align-items:center;gap:10px;font-weight:700;font-size:14px;box-shadow:0 10px 25px #ec48994d;z-index:9999;animation:toast-in .3s cubic-bezier(.175,.885,.32,1.275) forwards}@keyframes toast-in{0%{transform:translate(-50%,100px);opacity:0}to{transform:translate(-50%);opacity:1}}