*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #F5F5F7;--card: #FFFFFF;--label: #1D1D1F;--label-2: rgba(60, 60, 67, .6);--label-3: rgba(60, 60, 67, .3);--sep: rgba(60, 60, 67, .12);--fill: rgba(120, 120, 128, .12);--fill-2: rgba(120, 120, 128, .07);--blue: #0071E3;--blue-hover: #0077ED;--blue-tint: rgba(0, 113, 227, .1);--green: #34C759;--red: #FF3B30;--red-tint: rgba(255, 59, 48, .1);--orange: #FF9500;--shadow-card: 0 2px 16px rgba(0, 0, 0, .07), 0 1px 2px rgba(0, 0, 0, .04);--radius-card: 18px;--radius-btn: 12px;--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;--font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Helvetica Neue", sans-serif;--mono: "SF Mono", "SFMono-Regular", "Menlo", Consolas, monospace}body{font-family:var(--font);background:var(--bg);color:var(--label);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;padding-bottom:80px}.app{max-width:680px;margin:0 auto;padding:0 16px}.app-header{display:flex;align-items:center;gap:16px;padding:44px 0 28px}.app-header-icon{flex-shrink:0;width:54px;height:54px;border-radius:14px;background:var(--blue);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 18px #0071e361}.app-title{font-family:var(--font-display);font-size:1.75rem;font-weight:700;letter-spacing:-.025em;color:var(--label);line-height:1.1}.app-subtitle{font-size:.8rem;color:var(--label-2);margin-top:4px}.content{display:flex;flex-direction:column;gap:12px}.card{background:var(--card);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden}.card-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px 10px}.card-label{font-size:.7rem;font-weight:600;color:var(--label-2);text-transform:uppercase;letter-spacing:.08em}.upload-btn{display:inline-flex;align-items:center;gap:5px;padding:5px 11px;background:var(--blue-tint);color:var(--blue);border:none;border-radius:8px;font-size:.76rem;font-weight:500;cursor:pointer;transition:background .15s;-webkit-user-select:none;user-select:none;font-family:var(--font)}.upload-btn:hover{background:#0071e329}.upload-btn--off{opacity:.4;pointer-events:none}.drop-zone{position:relative;border-top:1px solid var(--sep);transition:background .15s;overflow:hidden}.drop-zone.dragging{background:#0071e30a}.drop-zone textarea{display:block;width:100%;min-height:210px;border:none;outline:none;resize:vertical;font-size:.95rem;line-height:1.75;font-family:var(--font);color:var(--label);padding:14px 18px;background:transparent}.drop-zone textarea::placeholder{color:var(--label-3)}.drop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#f5f5f7eb;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;pointer-events:none;opacity:0;transition:opacity .2s}.drop-zone.dragging .drop-overlay{opacity:1}.drop-overlay-inner{display:flex;flex-direction:column;align-items:center;gap:9px;color:var(--blue);font-weight:500;font-size:.88rem}.text-meta{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:8px 18px 12px;border-top:1px solid var(--sep);min-height:36px}.file-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;background:var(--fill);border-radius:6px;font-size:.72rem;color:var(--label-2);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.char-info{font-size:.76rem;color:var(--label-3)}.char-num{color:var(--label-2);font-weight:500}.char-num.warn{color:var(--orange)}.char-num.over{color:var(--red)}.form-row{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;gap:12px}.form-row-label{display:flex;align-items:center;gap:7px;font-size:.9rem;font-weight:500;color:var(--label);flex-shrink:0}.form-row-label svg{color:var(--label-2);flex-shrink:0}.row-sep{height:1px;background:var(--sep);margin:0 18px}.select-wrapper{position:relative;display:inline-flex;align-items:center}.select-wrapper select{-moz-appearance:none;appearance:none;-webkit-appearance:none;padding:7px 30px 7px 12px;border:1px solid var(--sep);border-radius:10px;font-size:.875rem;font-family:var(--font);color:var(--label);background:var(--fill);cursor:pointer;outline:none;min-width:156px;transition:border-color .15s,box-shadow .15s}.select-wrapper select:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-tint);background:var(--card)}.select-chevron{position:absolute;right:9px;color:var(--label-3);pointer-events:none}.segmented-control{display:inline-flex;background:var(--fill);border-radius:11px;padding:3px;gap:2px}.seg-btn{padding:5px 13px;border:none;border-radius:8px;background:transparent;color:var(--label-2);font-size:.82rem;font-weight:500;font-family:var(--font);cursor:pointer;transition:all .15s;white-space:nowrap}.seg-btn:hover:not(.active):not(:disabled){background:#0000000d;color:var(--label)}.seg-btn.active{background:var(--card);color:var(--label);font-weight:600;box-shadow:0 1px 4px #0000001f,0 0 1px #0000000f}.seg-btn:disabled{opacity:.4;cursor:not-allowed}.submit-card{padding:18px;display:flex;flex-direction:column;gap:10px}.btn-primary{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 24px;background:var(--blue);color:#fff;border:none;border-radius:var(--radius-btn);font-size:.975rem;font-weight:600;font-family:var(--font);cursor:pointer;transition:opacity .15s,transform .1s;box-shadow:0 2px 12px #0071e34d;letter-spacing:.01em}.btn-primary:not(:disabled):hover{opacity:.88}.btn-primary:not(:disabled):active{transform:scale(.98)}.btn-primary:disabled{opacity:.35;cursor:not-allowed;box-shadow:none}.hint-text{text-align:center;font-size:.76rem;color:var(--label-3)}.result-card{padding:18px;display:flex;flex-direction:column;gap:0}.steps{display:flex;align-items:center}.step-item{display:flex;flex-direction:column;align-items:center;gap:5px;flex-shrink:0}.step-dot{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;border:1.5px solid var(--sep);background:var(--card);color:var(--label-3);transition:all .3s ease}.step-item.active .step-dot{border-color:var(--blue);background:var(--blue-tint);color:var(--blue)}.step-item.done .step-dot{border-color:var(--blue);background:var(--blue);color:#fff}.step-item.error .step-dot{border-color:var(--red);background:var(--red-tint);color:var(--red)}.step-label{font-size:.68rem;font-weight:500;color:var(--label-3);white-space:nowrap;transition:color .3s}.step-item.active .step-label{color:var(--blue);font-weight:600}.step-item.done .step-label{color:var(--label-2)}.step-item.error .step-label{color:var(--red)}.step-line{flex:1;height:1.5px;background:var(--sep);margin-bottom:22px;transition:background .3s}.step-line.filled{background:var(--blue)}@keyframes spin{to{transform:rotate(360deg)}}.spin-ring{width:12px;height:12px;border:1.5px solid rgba(0,113,227,.25);border-top-color:var(--blue);border-radius:50%;display:inline-block;animation:spin .75s linear infinite}.status-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--fill);border-radius:11px;padding:10px 14px;margin-top:16px}.status-info{display:flex;flex-direction:column;gap:2px;min-width:0}.task-id{font-family:var(--mono);font-size:.68rem;color:var(--label-2);word-break:break-all}.elapsed{font-size:.78rem;color:var(--label-2)}.elapsed b{color:var(--label)}.btn-text-red{flex-shrink:0;background:none;border:none;color:var(--red);font-size:.82rem;font-weight:500;font-family:var(--font);cursor:pointer;padding:4px 8px;border-radius:6px;transition:background .15s}.btn-text-red:hover{background:var(--red-tint)}.done-area,.error-area{display:flex;flex-direction:column;gap:14px;margin-top:18px}.done-badge{display:inline-flex;align-items:center;gap:8px;font-size:.95rem;font-weight:600;color:var(--green)}.done-check{width:22px;height:22px;border-radius:50%;background:var(--green);color:#fff;font-size:.72rem;display:inline-flex;align-items:center;justify-content:center;font-weight:800}audio{width:100%;border-radius:10px;outline:none}.done-actions{display:flex;gap:8px;flex-wrap:wrap}.btn-blue{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;background:var(--blue);color:#fff;border:none;border-radius:10px;font-size:.86rem;font-weight:500;font-family:var(--font);cursor:pointer;transition:opacity .15s}.btn-blue:hover{opacity:.84}.btn-gray{padding:8px 18px;border:1px solid var(--sep);background:var(--fill);color:var(--label-2);border-radius:10px;font-size:.86rem;font-weight:500;font-family:var(--font);cursor:pointer;transition:all .15s}.btn-gray:hover{background:#78788033;color:var(--label)}.error-msg{font-size:.86rem;color:var(--red);background:var(--red-tint);padding:10px 14px;border-radius:10px;line-height:1.5}.btn-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;display:inline-block;animation:spin .75s linear infinite;flex-shrink:0}.slide-up-enter-active{transition:all .35s cubic-bezier(.16,1,.3,1)}.slide-up-leave-active{transition:all .2s ease}.slide-up-enter-from{opacity:0;transform:translateY(14px)}.slide-up-leave-to{opacity:0;transform:translateY(-6px)}@media(max-width:560px){.app-header{padding-top:32px;gap:12px}.app-header-icon{width:46px;height:46px;border-radius:12px}.app-title{font-size:1.5rem}.form-row{flex-direction:column;align-items:flex-start;gap:10px}.segmented-control{flex-wrap:wrap}.seg-btn{padding:5px 10px;font-size:.78rem}.btn-primary{font-size:.93rem;padding:13px 20px}.step-label{font-size:.63rem}}