.app{display:flex;flex-direction:column;min-height:100vh;max-width:480px;margin:0 auto;padding:0 16px 32px;width:100%}.app-header{padding:24px 0 16px;text-align:center}.app-title{font-size:24px;font-weight:700;color:var(--tg-theme-text-color);margin-bottom:4px}.app-subtitle{font-size:14px;color:var(--tg-theme-subtitle-text-color)}.app-main{display:flex;flex-direction:column;gap:16px;flex:1}.drop-zone{position:relative;border:2px dashed var(--tg-theme-hint-color);border-radius:16px;padding:32px 16px;text-align:center;cursor:pointer;transition:border-color .2s,background-color .2s;user-select:none;-webkit-user-select:none}.drop-zone:hover{border-color:var(--tg-theme-button-color)}.drop-zone--active{border-color:var(--tg-theme-button-color);background-color:color-mix(in srgb,var(--tg-theme-button-color) 8%,transparent)}.drop-zone--has-files{padding:20px 16px}.drop-zone__input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.drop-zone__content{display:flex;flex-direction:column;align-items:center;gap:8px;pointer-events:none}.drop-zone__icon{color:var(--tg-theme-hint-color);transition:color .2s}.drop-zone--active .drop-zone__icon{color:var(--tg-theme-button-color)}.drop-zone__text{font-size:16px;font-weight:500;color:var(--tg-theme-text-color)}.drop-zone__hint{font-size:13px;color:var(--tg-theme-hint-color)}.file-list{background:var(--tg-theme-section-bg-color);border-radius:12px;overflow:hidden;border:1px solid color-mix(in srgb,var(--tg-theme-hint-color) 20%,transparent)}.file-list__header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid color-mix(in srgb,var(--tg-theme-hint-color) 15%,transparent)}.file-list__count{font-size:13px;font-weight:600;color:var(--tg-theme-section-header-text-color);text-transform:uppercase;letter-spacing:.3px}.file-list__clear{font-size:13px;color:var(--tg-theme-destructive-text-color);font-weight:500}.file-list__items{max-height:240px;overflow-y:auto}.file-item{display:flex;align-items:center;gap:10px;padding:10px 14px}.file-item+.file-item{border-top:1px solid color-mix(in srgb,var(--tg-theme-hint-color) 10%,transparent)}.file-item__order{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color);font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}.file-item__name{flex:1;font-size:14px;color:var(--tg-theme-text-color);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-item__size{flex-shrink:0;font-size:12px;color:var(--tg-theme-hint-color)}.file-item__remove{flex-shrink:0;width:24px;height:24px;border-radius:50%;font-size:18px;line-height:1;color:var(--tg-theme-hint-color);display:flex;align-items:center;justify-content:center;transition:color .15s,background-color .15s}.file-item__remove:hover{color:var(--tg-theme-destructive-text-color);background:color-mix(in srgb,var(--tg-theme-destructive-text-color) 10%,transparent)}.options{display:flex;flex-direction:column;gap:8px}.option-label{font-size:13px;font-weight:600;color:var(--tg-theme-section-header-text-color);text-transform:uppercase;letter-spacing:.3px}.option-buttons{display:flex;gap:8px}.option-btn{flex:1;padding:10px 16px;border-radius:10px;font-size:14px;font-weight:500;border:1.5px solid color-mix(in srgb,var(--tg-theme-hint-color) 30%,transparent);background:var(--tg-theme-section-bg-color);color:var(--tg-theme-text-color);transition:border-color .2s,background-color .2s,color .2s}.option-btn--active{border-color:var(--tg-theme-button-color);background:color-mix(in srgb,var(--tg-theme-button-color) 12%,transparent);color:var(--tg-theme-button-color);font-weight:600}.error-message{padding:12px 14px;border-radius:10px;background:color-mix(in srgb,var(--tg-theme-destructive-text-color) 10%,transparent);color:var(--tg-theme-destructive-text-color);font-size:14px;line-height:1.4}.convert-btn{width:100%;padding:14px;border-radius:12px;background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color);font-size:16px;font-weight:600;transition:opacity .2s}.convert-btn:hover:not(:disabled){opacity:.9}.convert-btn:disabled{opacity:.5;cursor:not-allowed}.result{display:flex;flex-direction:column;align-items:center;gap:12px;padding:24px 16px;background:var(--tg-theme-section-bg-color);border-radius:16px;border:1px solid color-mix(in srgb,var(--tg-theme-hint-color) 15%,transparent);text-align:center}.result__icon{color:var(--tg-theme-button-color)}.result__info{display:flex;flex-direction:column;gap:2px}.result__name{font-size:16px;font-weight:600;color:var(--tg-theme-text-color)}.result__meta{font-size:13px;color:var(--tg-theme-hint-color)}.download-btn{width:100%;padding:14px;border-radius:12px;background:var(--tg-theme-button-color);color:var(--tg-theme-button-text-color);font-size:16px;font-weight:600;transition:opacity .2s;margin-top:4px}.download-btn:hover{opacity:.9}.new-btn{width:100%;padding:12px;border-radius:12px;background:transparent;color:var(--tg-theme-link-color);font-size:14px;font-weight:500;transition:background-color .15s}.new-btn:hover{background:color-mix(in srgb,var(--tg-theme-link-color) 8%,transparent)}.premium-section{margin-top:8px;padding:16px;background:var(--tg-theme-secondary-bg-color);border-radius:12px;text-align:center;display:flex;flex-direction:column;gap:10px}.premium-section__usage{font-size:13px;color:var(--tg-theme-hint-color)}.premium-section__status{font-size:14px;font-weight:600;color:var(--tg-theme-accent-text-color)}.premium-btn{width:100%;padding:12px;border-radius:10px;background:linear-gradient(135deg,#6b5ce7,#a855f7);color:#fff;font-size:14px;font-weight:600;transition:opacity .2s}.premium-btn:hover{opacity:.9}.dev-tools{padding:12px;border-radius:10px;background:color-mix(in srgb,var(--tg-theme-hint-color) 8%,transparent);border:1px dashed var(--tg-theme-hint-color)}.dev-toggle{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tg-theme-hint-color);cursor:pointer}.dev-toggle input[type=checkbox]{accent-color:var(--tg-theme-button-color);width:16px;height:16px}:root{--tg-theme-bg-color: #ffffff;--tg-theme-text-color: #000000;--tg-theme-hint-color: #999999;--tg-theme-link-color: #2678b6;--tg-theme-button-color: #50a8eb;--tg-theme-button-text-color: #ffffff;--tg-theme-secondary-bg-color: #efeff4;--tg-theme-header-bg-color: #ffffff;--tg-theme-accent-text-color: #2678b6;--tg-theme-section-bg-color: #ffffff;--tg-theme-section-header-text-color: #6d6d72;--tg-theme-subtitle-text-color: #8e8e93;--tg-theme-destructive-text-color: #ff3b30}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}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;display:flex;flex-direction:column}input,button,textarea,select{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}img{max-width:100%;display:block}a{color:var(--tg-theme-link-color);text-decoration:none}ul,ol{list-style:none}