:root{--ac-bg:#f6f9ff;--ac-card:#fff;--ac-soft:#f7faff;--ac-line:#dbe6ff;--ac-line-2:#c8d8ff;--ac-text:#13213f;--ac-muted:#66758f;--ac-primary:#4f5bff;--ac-primary-2:#7c3aed;--ac-mint:#0fb981;--ac-orange:#f59e0b;--ac-red:#ef4444;--ac-shadow:0 18px 60px rgba(22,38,78,.08);--ac-soft-shadow:0 10px 28px rgba(22,38,78,.06);--ac-r-xl:30px;--ac-r-lg:24px;--ac-r-md:18px}*{box-sizing:border-box}body{background:linear-gradient(180deg,#f9fbff 0%,#f4f7ff 48%,#fff 100%);color:var(--ac-text)}.ac-page{max-width:1240px;margin:0 auto;padding:0 18px 76px;font-family:'Inter','Noto Sans KR',system-ui,-apple-system,sans-serif}.ac-hero{position:relative;overflow:hidden;margin:26px 0 18px;padding:30px;border-radius:34px;border:1px solid rgba(79,91,255,.14);background:radial-gradient(circle at 100% 0%,rgba(124,58,237,.12),transparent 28%),radial-gradient(circle at 0% 100%,rgba(15,185,129,.10),transparent 24%),linear-gradient(135deg,#fff 0%,#f7faff 100%);box-shadow:var(--ac-shadow)}.ac-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.18fr) minmax(360px,.82fr);gap:20px;align-items:stretch}.ac-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;background:rgba(79,91,255,.08);color:var(--ac-primary);font-size:12px;font-weight:900;letter-spacing:.13em;text-transform:uppercase}.ac-title{margin:14px 0 12px;font-size:clamp(34px,4.2vw,62px);line-height:1.02;letter-spacing:-.05em}.ac-lead{margin:0;max-width:760px;color:var(--ac-muted);font-size:clamp(15px,1.45vw,18px);line-height:1.78}.ac-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.ac-tag{display:inline-flex;align-items:center;gap:8px;min-height:38px;padding:0 13px;border-radius:999px;background:#fff;border:1px solid var(--ac-line);font-size:13px;font-weight:800;color:#43536f}.ac-hero-card{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.ac-mini{padding:18px;border-radius:24px;border:1px solid var(--ac-line);background:rgba(255,255,255,.92);box-shadow:var(--ac-soft-shadow)}.ac-mini span{display:block}.ac-mini .k{font-size:12px;font-weight:900;letter-spacing:.07em;text-transform:uppercase;color:var(--ac-muted)}.ac-mini .v{margin-top:9px;font-size:clamp(22px,2vw,34px);font-weight:900;letter-spacing:-.04em;line-height:1.05}.ac-mini .s{margin-top:7px;font-size:13px;line-height:1.55;color:var(--ac-muted)}.ac-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:18px;align-items:start}.ac-card{background:var(--ac-card);border:1px solid var(--ac-line);border-radius:var(--ac-r-xl);box-shadow:var(--ac-shadow);padding:22px}.ac-card.full{grid-column:1 / -1}.ac-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:16px}.ac-card h2{margin:0;font-size:clamp(22px,2vw,30px);line-height:1.1;letter-spacing:-.035em}.ac-card p.desc{margin:8px 0 0;color:var(--ac-muted);font-size:14px;line-height:1.72}.ac-pill{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;background:#f7f9ff;border:1px solid var(--ac-line);font-size:12px;font-weight:900;color:#4b5a76;white-space:nowrap}.dropzone{position:relative;display:flex;align-items:center;justify-content:center;min-height:260px;padding:24px;border:1.5px dashed #c9d8ff;border-radius:28px;background:linear-gradient(180deg,#fbfdff,#f6f9ff);transition:.18s ease;cursor:pointer;text-align:center;overflow:hidden}.dropzone.dragover{border-color:var(--ac-primary);box-shadow:0 0 0 5px rgba(79,91,255,.08);transform:translateY(-1px)}.dropzone input{position:absolute;inset:0;opacity:0;cursor:pointer}.drop-icon{width:78px;height:78px;margin:0 auto 14px;border-radius:24px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--ac-primary),var(--ac-primary-2));color:#fff;font-size:32px;box-shadow:0 18px 36px rgba(79,91,255,.22)}.drop-title{display:block;font-size:22px;font-weight:900;letter-spacing:-.03em}.drop-sub{display:block;margin-top:8px;color:var(--ac-muted);font-size:14px;line-height:1.6}.dropzone>div{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;min-height:100%}.drop-hint{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;margin:18px auto 0;width:100%;line-height:1}.hint-chip{display:inline-flex !important;align-items:center;justify-content:center;height:34px;min-height:34px;padding:0 13px;border-radius:999px;background:#fff;border:1px solid var(--ac-line);font-size:12px;font-weight:900;color:#53637d;line-height:1;white-space:nowrap;vertical-align:middle;box-shadow:0 8px 18px rgba(22,38,78,.04)}.wave-card{position:relative;padding:18px;border-radius:26px;border:1px solid var(--ac-line);background:linear-gradient(180deg,#fff,#f9fbff)}.wave-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;flex-wrap:wrap}.file-title{font-size:16px;font-weight:900;letter-spacing:-.02em}.file-meta{color:var(--ac-muted);font-size:13px;font-weight:700}.wave-shell{position:relative;border-radius:22px;background:#101a36;overflow:hidden;border:1px solid rgba(255,255,255,.08)}#waveCanvas{display:block;width:100%;height:260px;cursor:crosshair;touch-action:none;background:linear-gradient(180deg,#101a36,#172449)}.selection-badge{position:absolute;top:14px;left:14px;z-index:2;display:flex;gap:8px;flex-wrap:wrap}.selection-badge span{display:inline-flex;align-items:center;min-height:32px;padding:0 10px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);color:#dbe8ff;font-size:12px;font-weight:900;backdrop-filter:blur(10px)}.time-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}.time-box{padding:13px 14px;border-radius:18px;background:#f8fbff;border:1px solid var(--ac-line)}.time-box .k{display:block;font-size:12px;font-weight:900;color:var(--ac-muted);letter-spacing:.06em;text-transform:uppercase}.time-box .v{display:block;margin-top:5px;font-size:20px;font-weight:900;letter-spacing:-.03em}.controls{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:12px}.control{grid-column:span 6;display:flex;flex-direction:column;gap:8px}.control.full{grid-column:span 12}.control label{font-size:13px;font-weight:900;color:#35435c}.ac-input,.ac-select{width:100%;min-height:54px;padding:0 15px;border-radius:18px;border:1px solid var(--ac-line);background:#fff;color:var(--ac-text);font-size:15px;font-weight:800;outline:none}.ac-input:focus,.ac-select:focus{border-color:rgba(79,91,255,.55);box-shadow:0 0 0 4px rgba(79,91,255,.08)}.range-row{display:grid;grid-template-columns:1fr 82px;gap:10px;align-items:center}.ac-range{width:100%;accent-color:var(--ac-primary)}.value-badge{display:flex;align-items:center;justify-content:center;min-height:42px;border-radius:14px;background:#f7f9ff;border:1px solid var(--ac-line);font-size:13px;font-weight:900;color:#42536d}.action-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.btn{appearance:none;border:none;cursor:pointer;min-height:52px;padding:0 18px;border-radius:18px;font-size:15px;font-weight:900;transition:.18s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--ac-primary),var(--ac-primary-2));color:#fff;box-shadow:0 18px 36px rgba(79,91,255,.2)}.btn-secondary{background:#fff;color:var(--ac-text);border:1px solid var(--ac-line)}.btn-soft{background:#f7f9ff;color:#44546e;border:1px solid var(--ac-line)}.btn-danger{background:#fff5f5;color:#c24141;border:1px solid #ffd7d7}.status{margin-top:12px;padding:13px 15px;border-radius:16px;background:#f7faff;border:1px solid #e5edff;color:#52637c;font-size:14px;line-height:1.65;white-space:pre-line}.progress{height:9px;margin-top:12px;border-radius:999px;background:#e9efff;overflow:hidden}.progress span{display:block;width:0;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--ac-primary),var(--ac-primary-2));transition:width .22s ease}.preview-box{display:none;margin-top:14px;padding:14px;border-radius:20px;border:1px solid var(--ac-line);background:#fff}.preview-box.active{display:block}.preview-box audio{width:100%}.download-card{display:none;margin-top:14px;padding:16px;border-radius:22px;background:linear-gradient(135deg,#f5fff9,#f9fbff);border:1px solid #d9f2e6}.download-card.active{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.download-card strong{display:block;font-size:16px}.download-card span{display:block;margin-top:4px;color:var(--ac-muted);font-size:13px}.download-card .btn{display:inline-flex;align-items:center;justify-content:center;min-width:132px}html.audio-export-modal-open,body.audio-export-modal-open{overflow:hidden!important}body>#exportModal.export-modal{position:fixed!important;top:0!important;left:0!important;right:0!important;bottom:0!important;inset:0!important;z-index:2147483000!important;display:none!important;align-items:center!important;justify-content:center!important;width:100vw!important;height:100vh!important;min-width:100vw!important;min-height:100vh!important;min-height:100dvh!important;max-width:none!important;max-height:none!important;margin:0!important;padding:clamp(16px,3vw,34px)!important;background:rgba(12,20,38,.56)!important;backdrop-filter:blur(16px)!important;-webkit-backdrop-filter:blur(16px)!important;transform:none!important;contain:none!important;overflow:hidden!important;box-sizing:border-box!important}body>#exportModal.export-modal.active{display:flex!important}body>#exportModal .export-dialog{position:relative!important;width:min(540px,calc(100vw - 32px))!important;max-width:540px!important;min-width:0!important;padding:clamp(22px,3vw,30px)!important;border-radius:30px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid rgba(219,230,255,.9);box-shadow:0 32px 90px rgba(12,20,38,.28);overflow:hidden;animation:exportDialogIn .22s ease-out both}.export-dialog:before{content:'';position:absolute;inset:-35% -20% auto auto;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(79,91,255,.18),transparent 68%)}.export-orb{position:relative;width:74px;height:74px;border-radius:24px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;background:linear-gradient(135deg,var(--ac-primary),var(--ac-primary-2));color:#fff;font-size:30px;box-shadow:0 22px 46px rgba(79,91,255,.25);animation:exportPulse 1.4s ease-in-out infinite}.export-title{position:relative;margin:0;font-size:25px;letter-spacing:-.04em;line-height:1.15;font-weight:900}.export-text{position:relative;margin:10px 0 0;color:var(--ac-muted);font-size:15px;line-height:1.72}.export-percent{position:relative;margin-top:18px;display:flex;align-items:flex-end;justify-content:space-between;gap:12px}.export-percent strong{font-size:42px;line-height:1;font-weight:900;letter-spacing:-.05em}.export-percent span{color:var(--ac-muted);font-size:13px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.export-bar{position:relative;height:13px;margin-top:14px;border-radius:999px;background:#e7edff;overflow:hidden}.export-bar span{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--ac-primary),var(--ac-primary-2),#0fb981);transition:width .25s ease}.export-note{position:relative;margin-top:14px;padding:12px 14px;border-radius:17px;background:#fff;border:1px solid var(--ac-line);font-size:13px;line-height:1.6;color:#53637d}.export-dots{display:inline-flex;gap:3px;margin-left:3px}.export-dots i{width:4px;height:4px;border-radius:50%;background:currentColor;animation:dotPop 1s infinite}.export-dots i:nth-child(2){animation-delay:.15s}.export-dots i:nth-child(3){animation-delay:.3s}@keyframes exportDialogIn{from{opacity:0;transform:translateY(10px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes exportPulse{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-3px) scale(1.03)}}@keyframes dotPop{0%,80%,100%{opacity:.35;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}.recipe-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}.recipe{padding:14px;border-radius:18px;background:#fff;border:1px solid var(--ac-line);cursor:pointer;transition:.18s ease}.recipe:hover{transform:translateY(-1px);box-shadow:var(--ac-soft-shadow)}.recipe strong{display:block;font-size:14px}.recipe span{display:block;margin-top:6px;color:var(--ac-muted);font-size:12px;line-height:1.5}.guide-list{display:grid;gap:10px}.guide{display:flex;gap:12px;padding:14px;border-radius:18px;background:#fff;border:1px solid var(--ac-line)}.guide .num{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#f0f4ff;color:var(--ac-primary);font-weight:900;flex:0 0 auto}.guide strong{display:block;font-size:14px}.guide p{margin:4px 0 0;color:var(--ac-muted);font-size:13px;line-height:1.55}@media(max-width:1100px){.ac-hero-grid,.ac-grid{grid-template-columns:1fr}.ac-hero-card{grid-template-columns:repeat(2,minmax(0,1fr))}.recipe-grid{grid-template-columns:1fr}}@media(max-width:760px){.ac-page{padding:0 14px 56px}.ac-hero,.ac-card{padding:18px}.ac-hero-card,.time-row{grid-template-columns:1fr}.control{grid-column:span 12}#waveCanvas{height:210px}.dropzone{min-height:220px}.download-card{align-items:flex-start}.btn{width:100%}.action-row{display:grid;grid-template-columns:1fr}.range-row{grid-template-columns:1fr}.value-badge{justify-content:flex-start;padding:0 14px}}