:root{--system-background: #000000;--system-background-secondary: #1c1c1e;--system-background-tertiary: #2c2c2e;--system-background-elevated: #1c1c1e;--grouped-background: #000000;--grouped-background-secondary: #1c1c1e;--grouped-background-tertiary: #2c2c2e;--fill-primary: rgba(120, 120, 128, .36);--fill-secondary: rgba(120, 120, 128, .32);--fill-tertiary: rgba(120, 120, 128, .24);--fill-quaternary: rgba(120, 120, 128, .18);--accent-purple: #bf5af2;--accent-purple-light: #da8fff;--accent-blue: #0a84ff;--accent-green: #30d158;--accent-orange: #ff9f0a;--accent-red: #ff453a;--accent-pink: #ff375f;--accent-teal: #64d2ff;--accent-indigo: #5e5ce6;--accent-yellow: #ffd60a;--label-primary: #ffffff;--label-secondary: rgba(235, 235, 245, .6);--label-tertiary: rgba(235, 235, 245, .3);--label-quaternary: rgba(235, 235, 245, .18);--separator: rgba(84, 84, 88, .65);--separator-opaque: #38383a;--material-ultra-thin: rgba(30, 30, 30, .5);--material-thin: rgba(40, 40, 40, .6);--material-regular: rgba(50, 50, 50, .7);--material-thick: rgba(60, 60, 60, .8);--material-chrome: rgba(30, 30, 30, .9);--font-system: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", system-ui, sans-serif;--font-display: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Inter", system-ui, sans-serif;--font-rounded: "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Inter", system-ui, sans-serif;--font-mono: "SF Mono", ui-monospace, "Menlo", monospace;--weight-regular: 400;--weight-medium: 500;--weight-semibold: 600;--weight-bold: 700;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-7: 28px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-2xl: 24px;--radius-3xl: 32px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--shadow-xl: 0 16px 48px rgba(0, 0, 0, .6);--shadow-glow: 0 0 20px rgba(191, 90, 242, .3);--shadow-card: 0 2px 8px rgba(0, 0, 0, .3), 0 0 1px rgba(0, 0, 0, .5);--ease-default: cubic-bezier(.25, .1, .25, 1);--ease-in: cubic-bezier(.42, 0, 1, 1);--ease-out: cubic-bezier(0, 0, .58, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--duration-fast: .15s;--duration-normal: .25s;--duration-slow: .35s;--z-base: 0;--z-elevated: 1;--z-sticky: 100;--z-modal: 200;--z-popover: 300;--z-toast: 400;--z-max: 9999;--safe-area-inset-top: env(safe-area-inset-top, 0px);--safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);--safe-area-inset-left: env(safe-area-inset-left, 0px);--safe-area-inset-right: env(safe-area-inset-right, 0px);--tab-bar-height: 52px;--nav-bar-height: 48px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-system);background:var(--system-background);color:var(--label-primary);min-height:100vh;min-height:100dvh;line-height:1.5;overflow-x:hidden;overscroll-behavior:none}#root{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;position:relative}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:var(--weight-bold);line-height:1.2;letter-spacing:-.02em;color:var(--label-primary)}.large-title{font-size:34px;font-weight:var(--weight-bold);letter-spacing:-.02em}h1{font-size:28px}h2{font-size:22px}h3{font-size:20px}.headline{font-size:17px;font-weight:var(--weight-semibold)}p{color:var(--label-secondary);font-size:17px;line-height:1.5}.subheadline{font-size:15px;color:var(--label-secondary)}.footnote{font-size:13px;color:var(--label-tertiary)}.caption{font-size:12px;color:var(--label-tertiary)}a{color:var(--accent-purple);text-decoration:none;transition:opacity var(--duration-fast) var(--ease-default)}a:hover{opacity:.7}a:active{opacity:.5}.background-primary{background:var(--system-background)}.background-secondary{background:var(--system-background-secondary)}.background-grouped{background:var(--grouped-background)}.material{background:var(--material-regular);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%)}.material-thick{background:var(--material-thick);backdrop-filter:blur(30px) saturate(200%);-webkit-backdrop-filter:blur(30px) saturate(200%)}.material-thin{background:var(--material-thin);backdrop-filter:blur(12px) saturate(150%);-webkit-backdrop-filter:blur(12px) saturate(150%)}.card{background:var(--grouped-background-secondary);border-radius:var(--radius-lg);overflow:hidden}.card-inset{background:var(--fill-tertiary);border-radius:var(--radius-md);padding:var(--space-4)}.card-elevated{background:var(--system-background-elevated);border-radius:var(--radius-xl);box-shadow:var(--shadow-card)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-5);font-family:var(--font-system);font-size:17px;font-weight:var(--weight-semibold);border-radius:var(--radius-md);border:none;cursor:pointer;transition:all var(--duration-fast) var(--ease-default);white-space:nowrap;user-select:none;-webkit-user-select:none;touch-action:manipulation}.btn:active{transform:scale(.97);opacity:.8}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-primary{background:var(--accent-purple);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-purple-light)}.btn-secondary{background:#bf5af226;color:var(--accent-purple)}.btn-secondary:hover:not(:disabled){background:#bf5af240}.btn-outline{background:transparent;color:var(--accent-purple);border:1.5px solid var(--accent-purple)}.btn-outline:hover:not(:disabled){background:#bf5af21a}.btn-gold{background:linear-gradient(135deg,var(--accent-yellow) 0%,var(--accent-orange) 100%);color:#000;font-weight:var(--weight-bold)}.btn-gold:hover:not(:disabled){opacity:.9}.btn-google{background:#fff;color:#1f1f1f;font-weight:var(--weight-medium);box-shadow:var(--shadow-sm)}.btn-google:hover:not(:disabled){background:#f5f5f5}.btn-text{background:transparent;color:var(--accent-purple);padding:var(--space-2) var(--space-3)}.btn-lg{padding:var(--space-4) var(--space-6);font-size:18px;border-radius:var(--radius-lg)}.btn-block{width:100%}.input{width:100%;padding:var(--space-3) var(--space-4);font-family:var(--font-system);font-size:17px;color:var(--label-primary);background:var(--fill-quaternary);border:none;border-radius:var(--radius-md);outline:none;transition:background var(--duration-fast) var(--ease-default)}.input::placeholder{color:var(--label-tertiary)}.input:focus{background:var(--fill-tertiary)}.input-grouped{background:var(--grouped-background-secondary);border-radius:0;border-bottom:.5px solid var(--separator);padding:var(--space-4)}.input-grouped:last-child{border-bottom:none}.input-grouped:first-child{border-top-left-radius:var(--radius-lg);border-top-right-radius:var(--radius-lg)}.input-grouped:last-child{border-bottom-left-radius:var(--radius-lg);border-bottom-right-radius:var(--radius-lg)}.textarea{resize:vertical;min-height:120px;line-height:1.5}.toggle{position:relative;width:51px;height:31px;background:var(--fill-secondary);border-radius:var(--radius-full);cursor:pointer;transition:background var(--duration-normal) var(--ease-default)}.toggle.active{background:var(--accent-green)}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;background:#fff;border-radius:50%;box-shadow:var(--shadow-sm);transition:transform var(--duration-normal) var(--ease-spring)}.toggle.active:after{transform:translate(20px)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes snowfall{0%{transform:translateY(-10px) rotate(0);opacity:0}10%{opacity:.8}90%{opacity:.8}to{transform:translateY(100vh) rotate(360deg);opacity:0}}.animate-fade-in{animation:fadeIn var(--duration-normal) var(--ease-default) forwards}.animate-fade-in-up{animation:fadeInUp var(--duration-slow) var(--ease-out) forwards}.animate-slide-up{animation:slideUp var(--duration-slow) var(--ease-out) forwards}.animate-scale-in{animation:scaleIn var(--duration-normal) var(--ease-spring) forwards}.animate-float{animation:float 3s ease-in-out infinite}.snowflakes{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:var(--z-base);overflow:hidden}.snowflake{position:absolute;top:-10px;color:#ffffffb3;font-size:1rem;text-shadow:0 0 8px rgba(255,255,255,.5);animation:snowfall linear infinite}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--fill-secondary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--fill-primary)}::selection{background:#bf5af24d;color:#fff}:focus-visible{outline:2px solid var(--accent-purple);outline-offset:2px}@media(max-width:768px){html{font-size:15px}h1{font-size:26px}h2{font-size:20px}}.spinner{width:20px;height:20px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin .8s linear infinite}.spinner-large{width:36px;height:36px;border-width:3px}.glow-purple{box-shadow:0 0 24px #bf5af266}.glow-gold{box-shadow:0 0 24px #ffd60a66}.snowflakes-container{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0;overflow:hidden}.snowflake{position:absolute;top:-20px;color:#fffffff2;text-shadow:0 0 10px rgba(255,255,255,.8),0 0 20px rgba(139,92,246,.5);animation:snowfall linear infinite;will-change:transform;font-size:1.2rem}@keyframes snowfall{0%{transform:translateY(-10px) translate(0) rotate(0)}25%{transform:translateY(25vh) translate(10px) rotate(90deg)}50%{transform:translateY(50vh) translate(-10px) rotate(180deg)}75%{transform:translateY(75vh) translate(10px) rotate(270deg)}to{transform:translateY(105vh) translate(0) rotate(360deg)}}.tab-bar{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;align-items:flex-end;min-height:calc(var(--tab-bar-height) + var(--safe-area-inset-bottom));padding-top:var(--space-3);padding-bottom:calc(var(--space-2) + var(--safe-area-inset-bottom));background:var(--material-chrome);backdrop-filter:blur(30px) saturate(180%);-webkit-backdrop-filter:blur(30px) saturate(180%);border-top:.5px solid var(--separator);z-index:var(--z-sticky)}.tab-item{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px;padding:var(--space-1) var(--space-4);padding-bottom:var(--space-2);text-decoration:none;color:var(--label-tertiary);transition:color var(--duration-fast) var(--ease-default);flex:1;max-width:100px;-webkit-tap-highlight-color:transparent;min-height:60px}.tab-item:hover{color:var(--label-secondary)}.tab-item.active{color:var(--accent-purple)}.tab-icon{font-size:24px;line-height:1;transition:transform var(--duration-fast) var(--ease-spring);flex-shrink:0}.tab-item.active .tab-icon{transform:scale(1.08)}.tab-label{font-size:10px;font-weight:var(--weight-medium);letter-spacing:-.01em;text-align:center;line-height:1.2;flex-shrink:0}@media(min-width:769px){.tab-bar{position:fixed;top:0;bottom:auto;min-height:var(--nav-bar-height);padding:0;padding-top:var(--safe-area-inset-top);border-top:none;border-bottom:.5px solid var(--separator);justify-content:center;align-items:center;gap:var(--space-8)}.tab-item{flex-direction:row;gap:var(--space-2);padding:var(--space-2) var(--space-4);padding-bottom:var(--space-2);max-width:none;border-radius:var(--radius-md);min-height:auto;justify-content:center}.tab-item:hover{background:var(--fill-quaternary)}.tab-item.active{background:#bf5af21f}.tab-icon{font-size:18px}.tab-label{font-size:14px;font-weight:var(--weight-medium)}}.tab-item.active:after{content:"";position:absolute;bottom:calc(var(--safe-area-inset-bottom) + 4px);width:5px;height:5px;background:var(--accent-purple);border-radius:50%;opacity:0}@media(min-width:769px){.tab-item.active:after{display:none}}.legal-notice-container{margin:var(--space-4) 0;width:100%}.legal-checkbox-wrapper{display:flex;align-items:flex-start;gap:var(--space-3);cursor:pointer;-webkit-user-select:none;user-select:none;padding:var(--space-2);border-radius:var(--radius-md);transition:background var(--duration-fast) var(--ease-default)}.legal-checkbox-wrapper:hover{background:var(--fill-quaternary)}.legal-checkbox{appearance:none;-webkit-appearance:none;width:20px;height:20px;border:1.5px solid var(--label-tertiary);border-radius:6px;margin-top:2px;position:relative;transition:all var(--duration-fast) var(--ease-default);flex-shrink:0;background:transparent}.legal-checkbox:checked{background:var(--accent-purple);border-color:var(--accent-purple)}.legal-checkbox:checked:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:14px;font-weight:700}.legal-text{font-size:13px;color:var(--label-secondary);line-height:1.5}.legal-link{color:var(--accent-purple);text-decoration:none;font-weight:var(--weight-medium)}.legal-link:hover{text-decoration:underline}.legal-modal-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);padding:var(--space-4);animation:fadeIn var(--duration-normal) var(--ease-default)}.legal-modal-content{background:var(--grouped-background-secondary);width:100%;max-width:600px;max-height:85vh;border-radius:var(--radius-xl);display:flex;flex-direction:column;box-shadow:var(--shadow-xl);animation:slideUp var(--duration-normal) var(--ease-spring);border:.5px solid var(--separator)}.legal-modal-header{padding:var(--space-4);border-bottom:.5px solid var(--separator);display:flex;justify-content:space-between;align-items:center;background:var(--material-thick);border-top-left-radius:var(--radius-xl);border-top-right-radius:var(--radius-xl)}.legal-modal-header h2{font-size:17px;font-weight:var(--weight-semibold);margin:0}.close-btn{background:var(--fill-tertiary);border:none;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--label-secondary);cursor:pointer;transition:all var(--duration-fast) var(--ease-default)}.close-btn:hover{background:var(--fill-secondary);color:var(--label-primary)}.legal-modal-body{padding:var(--space-6);overflow-y:auto;-webkit-overflow-scrolling:touch;font-size:15px;line-height:1.6;color:var(--label-secondary)}.legal-modal-body h3{font-size:17px;font-weight:var(--weight-semibold);color:var(--label-primary);margin:var(--space-6) 0 var(--space-3)}.legal-modal-body h3:first-child{margin-top:0}.legal-modal-body p{margin-bottom:var(--space-4);font-size:15px}.legal-modal-body ul{padding-left:var(--space-5);margin-bottom:var(--space-4)}.legal-modal-body li{margin-bottom:var(--space-2)}.legal-modal-footer{padding:var(--space-4);border-top:.5px solid var(--separator);background:var(--material-thick);border-bottom-left-radius:var(--radius-xl);border-bottom-right-radius:var(--radius-xl);display:flex;justify-content:flex-end}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.postcard-editor{width:100%;max-width:600px;margin:0 auto;padding-bottom:100px}.preview-section{margin-bottom:var(--space-6)}.preview-title{font-size:13px;color:var(--label-secondary);margin-bottom:var(--space-3);text-transform:uppercase;letter-spacing:.5px;padding-left:var(--space-2)}.postcard-preview{position:relative;min-height:300px;padding:var(--space-8);border:.5px solid var(--separator);box-shadow:var(--shadow-lg);overflow:hidden;transition:all var(--duration-normal) var(--ease-default)}.postcard-preview.pattern-snowflakes:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 10% 20%,rgba(255,255,255,.7) 3px,transparent 3px),radial-gradient(circle at 80% 40%,rgba(255,255,255,.6) 4px,transparent 4px),radial-gradient(circle at 40% 70%,rgba(255,255,255,.5) 2.5px,transparent 2.5px),radial-gradient(circle at 90% 80%,rgba(255,255,255,.6) 3.5px,transparent 3.5px),radial-gradient(circle at 25% 50%,rgba(255,255,255,.4) 2px,transparent 2px),radial-gradient(circle at 60% 15%,rgba(255,255,255,.5) 2.5px,transparent 2.5px),radial-gradient(circle at 15% 85%,rgba(255,255,255,.45) 3px,transparent 3px),radial-gradient(circle at 70% 90%,rgba(255,255,255,.55) 2px,transparent 2px);background-size:100% 100%;pointer-events:none;animation:snowflakeTwinkle 3s ease-in-out infinite}.postcard-preview.pattern-stars:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 15% 15%,rgba(251,191,36,.8) 3px,transparent 3px),radial-gradient(circle at 75% 25%,rgba(251,191,36,.7) 2.5px,transparent 2.5px),radial-gradient(circle at 45% 65%,rgba(251,191,36,.75) 3.5px,transparent 3.5px),radial-gradient(circle at 85% 75%,rgba(251,191,36,.7) 3px,transparent 3px),radial-gradient(circle at 30% 40%,rgba(251,191,36,.6) 2px,transparent 2px),radial-gradient(circle at 90% 45%,rgba(251,191,36,.65) 2.5px,transparent 2.5px),radial-gradient(circle at 20% 80%,rgba(251,191,36,.7) 3px,transparent 3px),radial-gradient(circle at 65% 90%,rgba(251,191,36,.6) 2.5px,transparent 2.5px);background-size:100% 100%;pointer-events:none;animation:starTwinkle 2s ease-in-out infinite}.emoji-corner{position:absolute;font-size:32px;opacity:.9;text-shadow:0 2px 4px rgba(0,0,0,.2);transition:transform var(--duration-fast) var(--ease-spring);cursor:pointer}.emoji-corner:hover{transform:scale(1.2)}.emoji-corner.top-left{top:16px;left:16px}.emoji-corner.top-right{top:16px;right:16px}.emoji-corner.bottom-left{bottom:16px;left:16px}.emoji-corner.bottom-right{bottom:16px;right:16px}.postcard-content-wrapper{position:relative;z-index:1;min-height:180px;display:flex;flex-direction:column;justify-content:center;padding:var(--space-4)}.postcard-text{color:var(--label-primary);text-align:center;word-wrap:break-word;line-height:1.6;margin-bottom:var(--space-6);text-shadow:0 1px 2px rgba(0,0,0,.1)}.postcard-signature{text-align:center;color:var(--label-secondary);font-style:italic;margin-top:auto}.signature-line{width:40px;height:1px;background:var(--label-tertiary);margin:0 auto var(--space-2)}.postcard-recipient{position:absolute;bottom:16px;left:50%;transform:translate(-50%);font-size:12px;color:#fffc;background:#0006;padding:4px 12px;border-radius:var(--radius-full);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.editor-tabs{display:flex;background:var(--fill-tertiary);padding:2px;border-radius:var(--radius-md);margin-bottom:var(--space-6)}.tab-btn{flex:1;padding:6px 12px;font-family:var(--font-system);font-size:13px;font-weight:var(--weight-medium);color:var(--label-primary);background:transparent;border:none;border-radius:7px;cursor:pointer;transition:all var(--duration-fast) var(--ease-default)}.tab-btn.active{background:var(--fill-primary);color:var(--label-primary);box-shadow:0 1px 3px #0000001a}.editor-section{display:flex;flex-direction:column;gap:var(--space-6);margin-bottom:var(--space-6)}.form-group{display:flex;flex-direction:column;gap:var(--space-2)}.form-group label{font-size:13px;font-weight:var(--weight-medium);color:var(--label-secondary);padding-left:var(--space-2)}.char-count{font-size:12px;color:var(--label-tertiary);text-align:right;padding-right:var(--space-2)}.options-group{display:flex;flex-direction:column;gap:var(--space-2)}.options-group label{font-size:13px;font-weight:var(--weight-medium);color:var(--label-secondary);padding-left:var(--space-2)}.options-row{display:flex;flex-wrap:wrap;gap:var(--space-2);background:var(--grouped-background-secondary);padding:var(--space-3);border-radius:var(--radius-lg)}.option-btn{padding:8px 16px;font-family:var(--font-system);font-size:14px;color:var(--label-primary);background:var(--fill-tertiary);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--duration-fast) 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