:root{--tg-theme-bg-color: #ffffff;--tg-theme-text-color: #000000;--tg-theme-hint-color: #999999;--tg-theme-link-color: #2481cc;--tg-theme-button-color: #2481cc;--tg-theme-button-text-color: #ffffff;--tg-theme-secondary-bg-color: #f0f0f0;--tg-theme-header-bg-color: #ffffff;--tg-theme-accent-text-color: #2481cc;--tg-theme-section-bg-color: #ffffff;--tg-theme-section-header-text-color: #2481cc;--tg-theme-subtitle-text-color: #888888;--tg-theme-destructive-text-color: #cc2424}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--tg-theme-bg-color);color:var(--tg-theme-text-color);line-height:1.5;min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}input,textarea,button,select{font:inherit}button{cursor:pointer;border:none;outline:none}textarea{resize:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--tg-theme-hint-color);border-radius:3px}.app{max-width:480px;margin:0 auto;padding:12px;display:flex;flex-direction:column;gap:12px;min-height:100vh}.app-header{display:flex;align-items:center;justify-content:space-between;padding:8px 0}.app-title{font-size:18px;font-weight:700;color:var(--tg-theme-text-color)}.usage-badge{font-size:11px;padding:3px 8px;border-radius:10px;background:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-hint-color);font-weight:600}.premium-badge{font-size:11px;padding:3px 8px;border-radius:10px;background:linear-gradient(135deg,#a855f7,#7c3aed);color:#fff;font-weight:700;letter-spacing:.3px}.panel{display:flex;flex-direction:column;gap:6px}.panel-header{display:flex;align-items:center;justify-content:space-between}.panel-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--tg-theme-hint-color)}.validation-status{display:flex;align-items:center}.valid-indicator,.invalid-indicator{display:flex;align-items:center;gap:4px;font-size:11px;font-weight:600}.valid-indicator{color:#22c55e}.invalid-indicator{color:#ef4444}.status-dot{width:7px;height:7px;border-radius:50%;display:inline-block}.status-dot.green{background:#22c55e;box-shadow:0 0 4px #22c55e80}.status-dot.red{background:#ef4444;box-shadow:0 0 4px #ef444480}.json-input{width:100%;min-height:160px;padding:12px;border:1.5px solid var(--tg-theme-secondary-bg-color);border-radius:10px;background:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-text-color);font-family:SF Mono,Fira Code,Cascadia Code,Consolas,monospace;font-size:13px;line-height:1.5;transition:border-color .2s}.json-input:focus{outline:none;border-color:var(--tg-theme-button-color)}.json-input::placeholder{color:var(--tg-theme-hint-color);opacity:.6}.error-banner{display:flex;align-items:flex-start;gap:8px;padding:8px 12px;border-radius:8px;background:#ef44441a;border:1px solid rgba(239,68,68,.25)}.error-icon{display:flex;align-items:center;justify-content:center;width:18px;height:18px;min-width:18px;border-radius:50%;background:#ef4444;color:#fff;font-size:11px;font-weight:800;line-height:1}.error-text{font-size:12px;color:#ef4444;line-height:1.4;word-break:break-word}.error-line{font-weight:700}.input-actions{display:flex;justify-content:flex-end}.btn{padding:8px 16px;border-radius:8px;font-size:13px;font-weight:600;transition:opacity .15s,transform .1s;-webkit-user-select:none;user-select:none}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;pointer-events:none}.btn-primary{background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color);flex:1}.btn-primary:hover{opacity:.9}.btn-secondary{background:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-text-color);flex:1}.btn-secondary:hover{opacity:.8}.btn-clear{background:transparent;color:var(--tg-theme-destructive-text-color, #cc2424);padding:8px 12px}.btn-paste{background:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-link-color);padding:6px 12px;font-size:12px}.btn-copy{background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color);padding:4px 10px;font-size:11px;border-radius:6px}.star-icon{font-size:10px;opacity:.7}.controls{display:flex;flex-direction:column;gap:8px}.actions-row{display:flex;gap:8px;align-items:center}.indent-selector{display:flex;align-items:center;gap:4px}.indent-label{font-size:11px;color:var(--tg-theme-hint-color);font-weight:600;margin-right:4px}.indent-btn{padding:4px 10px;font-size:11px;border-radius:6px;font-weight:600;background:var(--tg-theme-secondary-bg-color);color:var(--tg-theme-hint-color);transition:background .15s,color .15s}.indent-btn.active{background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color)}.output-container{border-radius:10px;overflow:hidden}.json-output{width:100%;min-height:160px;max-height:400px;overflow:auto;padding:12px;margin:0;background:#1e1e2e;color:#cdd6f4;font-family:SF Mono,Fira Code,Cascadia 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ease}.paywall-modal{background:var(--tg-theme-bg-color);border-radius:16px;padding:24px;width:100%;max-width:320px;display:flex;flex-direction:column;gap:12px;text-align:center;animation:slideUp .25s ease}.paywall-title{font-size:18px;font-weight:700;color:var(--tg-theme-text-color)}.paywall-desc{font-size:13px;color:var(--tg-theme-hint-color);line-height:1.4}.paywall-price{font-size:28px;font-weight:800;background:linear-gradient(135deg,#f59e0b,#f97316);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;padding:4px 0}.paywall-buy{margin-top:4px;padding:12px 20px;font-size:15px}.paywall-close{font-size:13px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(min-width:640px){.app{max-width:960px;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto 1fr;gap:12px}.app-header,.controls{grid-column:1 / 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