:root{--bg-main:#f8f9fa;--surface:#fff;--surface-soft:#f2f2ff;--surface-warm:#fff8d8;--line:#e6e8f2;--accent-primary:#7576fa;--accent-primary-dark:#5556dc;--accent-primary-soft:#7576fa21;--accent-danger:#fa281e;--accent-danger-dark:#dc1f17;--accent-warning:#f9e076;--accent-success:#75faa7;--accent-success-dark:#0f9f59;--text-main:#1f2937;--text-muted:#64748b;--shadow:0 18px 45px #1f293714;--radius:16px}*{box-sizing:border-box}body{-webkit-text-size-adjust:100%;background:linear-gradient(180deg, #fff 0, #fffdf4 155px, var(--bg-main) 360px), var(--bg-main);min-width:320px;color:var(--text-main);margin:0;font-family:Helvetica Neue,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;overflow-x:hidden}button,input{font:inherit}button{transition:transform .18s,background .18s,border-color .18s,color .18s}button:not(:disabled):hover{transform:translateY(-1px)}button:disabled{cursor:not-allowed;opacity:.58}.app-root{flex-direction:column;min-height:100vh;display:flex}.app-header{z-index:10;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff0;justify-content:space-between;align-items:center;gap:16px;padding:16px clamp(16px,5vw,48px);display:flex;position:sticky;top:0}.brand-mark{color:#111827;letter-spacing:0;white-space:nowrap;align-items:center;gap:10px;font-size:clamp(1.25rem,2vw,1.55rem);font-weight:850;display:inline-flex;position:relative}.brand-mark:before{content:"";background:radial-gradient(circle at 42% 42%, #fff6ad 0 20%, #ff8f83 21% 48%, var(--accent-danger) 49% 100%);border-radius:50%;width:28px;height:28px;display:inline-block;box-shadow:0 0 0 4px #f9e07694}.nav-links{border:1px solid var(--line);background:linear-gradient(90deg,#f9e07647,#7576fa17);border-radius:999px;gap:8px;padding:4px;display:flex;overflow-x:auto}.nav-link{min-height:38px;color:var(--text-muted);white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;padding:8px 16px;font-weight:700;text-decoration:none;display:inline-flex}.nav-link.active{background:var(--surface);color:var(--accent-primary);box-shadow:0 5px 14px #1f293714}.app-main{flex:1;width:min(1180px,100%);margin:0 auto;padding:clamp(20px,4vw,42px) clamp(16px,4vw,32px) 56px}.app-footer{color:var(--text-muted);border-top:1px solid var(--line);background:#fff;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;padding:24px clamp(16px,5vw,48px);display:flex}.app-footer strong{color:var(--accent-primary)}.primary-btn,.secondary-btn,.ghost-btn,.icon-btn{cursor:pointer;border:0;font-weight:800}.primary-btn,.secondary-btn,.ghost-btn{border-radius:999px;justify-content:center;align-items:center;gap:9px;min-height:46px;padding:12px 20px;display:inline-flex}.primary-btn{background:var(--accent-primary);color:#fff;box-shadow:0 12px 28px #7576fa40}.primary-btn:not(:disabled):hover{background:var(--accent-primary-dark)}.secondary-btn{background:var(--surface-warm);color:#6f5d00;border:1px solid #efd158}.ghost-btn{color:var(--text-muted);border:1px solid var(--line);background:0 0}.danger-btn{background:var(--accent-danger);box-shadow:0 12px 28px #fa281e38}.danger-btn:not(:disabled):hover{background:var(--accent-danger-dark)}.full-width-btn,.merge-btn{width:100%}.home-page{gap:28px;display:grid}.home-hero{grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);align-items:center;gap:clamp(24px,6vw,72px);min-height:clamp(440px,68vh,620px);display:grid}.hero-copy{max-width:650px}.eyebrow{color:var(--accent-primary);background:var(--surface-warm);letter-spacing:.3px;border:1px solid #efd158;border-radius:999px;margin-bottom:18px;padding:8px 12px;font-size:.86rem;font-weight:800;display:inline-flex}.hero-copy h1,.page-heading h1{color:#141b2d;letter-spacing:0;margin:0}.hero-copy h1{max-width:10ch;font-size:clamp(2.35rem,7vw,5.1rem);line-height:.96}.hero-copy p,.page-heading p{color:var(--text-muted);line-height:1.7}.hero-copy p{max-width:580px;margin:22px 0 28px;font-size:clamp(1rem,1.8vw,1.18rem)}.hero-actions,.merge-actions{flex-wrap:wrap;gap:12px;display:flex}.hero-preview{place-items:center;min-height:360px;display:grid}.label-card{aspect-ratio:4/5;background:var(--surface);border:1px solid var(--line);width:min(360px,100%);box-shadow:var(--shadow);border-radius:8px;padding:28px;transform:rotate(2deg)}.label-line,.label-grid span{background:#e2e5f4;border-radius:999px;height:13px}.label-line{width:72%;margin-bottom:14px}.label-line.wide{width:92%;height:18px}.barcode{background:repeating-linear-gradient(90deg,#1f2937 0 5px,#0000 5px 10px,#1f2937 10px 13px,#0000 13px 22px);border-radius:4px;height:96px;margin:28px 0}.label-card:after{content:"";background:linear-gradient(90deg, var(--accent-warning), var(--accent-success), var(--accent-danger), var(--accent-primary));border-radius:999px;height:12px;margin-top:24px;display:block}.label-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.feature-strip{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.feature-strip div{background:var(--surface);border:2px solid var(--line);border-radius:8px;align-items:center;gap:10px;min-height:64px;padding:16px;font-weight:800;transition:all .3s;display:flex;box-shadow:0 12px 30px #1f29370d}.feature-strip div:first-child{border-left:4px solid var(--accent-danger)}.feature-strip div:nth-child(2){border-left:4px solid var(--accent-primary)}.feature-strip div:nth-child(3){border-left:4px solid var(--accent-success-dark)}.feature-strip div:hover{border-color:var(--accent-primary);transform:translateY(-2px);box-shadow:0 16px 40px #1f29371f}.feature-strip svg{color:var(--accent-danger);transition:transform .3s}.feature-strip div:nth-child(2) svg{color:var(--accent-primary)}.feature-strip div:nth-child(3) svg{color:var(--accent-success-dark)}.feature-strip div:hover svg{transform:scale(1.15)}.ad-slot-wide{min-height:110px}.service-section,.trust-section{gap:18px;display:grid}.section-heading{gap:8px;max-width:720px;display:grid}.section-heading .eyebrow{width:max-content;margin-bottom:0}.section-heading h2{color:#141b2d;margin:0;font-size:clamp(1.75rem,4vw,3rem);line-height:1.05}.service-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.service-card{text-align:left;border:2px solid var(--line);background:#fff;border-radius:12px;align-content:start;gap:12px;min-height:220px;padding:22px;transition:all .3s;display:grid;box-shadow:0 16px 36px #1f293712}.service-card:first-child{border-top:4px solid var(--accent-primary)}.service-card:nth-child(2){border-top:4px solid var(--accent-danger)}.service-card:nth-child(3){border-top:4px solid var(--accent-success-dark)}.service-card:hover{border-color:var(--accent-primary);transform:translateY(-6px);box-shadow:0 24px 50px #1f293726}.service-card svg,.trust-section svg{color:var(--accent-primary);width:28px;height:28px;transition:transform .3s}.service-card:nth-child(2) svg{color:var(--accent-danger)}.service-card:nth-child(3) svg{color:var(--accent-success-dark)}.service-card:hover svg{transform:scale(1.2)translateY(-2px)}.service-card strong,.trust-section strong{color:#141b2d;font-size:1.08rem;transition:color .3s}.service-card:hover strong{color:var(--accent-primary)}.service-card span,.trust-section span{color:var(--text-muted);line-height:1.6}.trust-section{border:2px solid var(--line);border-left:4px solid var(--accent-primary);background:linear-gradient(135deg,#f9e07626,#7576fa14,#fa281e0a);border-radius:16px;grid-template-columns:repeat(3,1fr);padding:clamp(18px,4vw,28px);transition:all .3s}.trust-section:hover{border-color:var(--accent-primary);box-shadow:0 12px 40px #7576fa1a}.trust-section div{gap:8px;display:grid}.trust-section svg{transition:transform .3s}.trust-section:hover svg{transform:scale(1.15)}.tool-page{gap:24px;display:grid}.page-heading{gap:8px;display:grid}.page-heading h1{align-items:center;gap:12px;font-size:clamp(2rem,4vw,3rem);display:flex}.page-heading h1 svg{color:var(--accent-danger);flex:none}.page-heading p{max-width:690px;margin:0}.tool-grid{grid-template-columns:minmax(0,1fr) minmax(220px,300px);align-items:start;gap:20px;display:grid}.single-column-tool{grid-template-columns:1fr;width:min(860px,100%);margin-inline:auto}.tool-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);gap:20px;padding:clamp(18px,4vw,32px);display:grid}.drop-zone{text-align:center;color:var(--text-muted);background:linear-gradient(#fff,#fbfcff);border:2px dashed #ccd5e8;border-radius:12px;justify-items:center;gap:10px;padding:clamp(24px,6vw,44px);display:grid}.drop-zone.is-active{border-color:var(--accent-primary);background:var(--surface-warm);color:var(--accent-primary)}.drop-zone svg{color:var(--accent-primary)}.drop-zone strong{max-width:100%;color:var(--text-main);overflow-wrap:anywhere}.drop-zone span{font-size:.92rem}.drop-zone input{max-width:100%;margin-top:8px}.marketplace-block{gap:12px;display:grid}.marketplace-block label{font-weight:800}.segmented-control{border:2px solid var(--line);background:linear-gradient(90deg,#f9e07642,#7576fa17);border-radius:12px;grid-template-columns:repeat(3,1fr);gap:8px;padding:6px;transition:all .3s;display:grid}.segmented-control button{min-height:42px;color:var(--text-muted);background:0 0;border:1px solid #0000;border-radius:8px;font-weight:600;transition:all .3s}.segmented-control button:hover{color:var(--accent-primary);background:#ffffff80}.segmented-control button.is-selected{color:#fff;background:linear-gradient(135deg, var(--accent-primary), #6869ef);font-weight:700;box-shadow:0 4px 12px #7576fa40}.option-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.option-card{text-align:left;min-height:140px;color:var(--text-main);border:2px solid var(--line);cursor:pointer;background:#fff;border-radius:12px;align-content:start;gap:8px;padding:16px;transition:all .3s;display:grid}.option-card:hover{border-color:var(--accent-primary);transform:translateY(-2px);box-shadow:0 8px 20px #7576fa1a}.option-card svg{color:var(--accent-primary);width:22px;height:22px;transition:all .3s}.option-card:hover svg{transform:scale(1.1)}.option-card span{color:var(--text-muted);font-weight:600;line-height:1.45}.option-card.is-selected{border:2px solid var(--accent-primary);background:linear-gradient(135deg,#7576fa14,#f9e07626);box-shadow:inset 0 0 0 1px #7576fa33,0 8px 20px #7576fa26}.option-card.is-selected strong{color:var(--accent-primary)}.option-card.is-selected svg{color:var(--accent-danger)}.info-strip{color:#141b2d;border:2px solid var(--line);border-left:4px solid var(--accent-primary);background:linear-gradient(135deg,#75faa71a,#7576fa14);border-radius:12px;gap:4px;padding:14px 16px;transition:all .3s;display:grid}.info-strip:hover{box-shadow:0 4px 12px #7576fa1a}.info-strip strong{font-size:.95rem;font-weight:700}.info-strip span{color:var(--text-muted);font-size:.9rem;line-height:1.4}.file-summary{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.file-summary div{border:1px solid var(--line);background:#fbfcff;border-radius:8px;gap:3px;padding:14px;display:grid}.file-summary strong{font-size:1.25rem}.file-summary span,.file-details span{color:var(--text-muted);font-size:.88rem}.file-list{gap:10px;max-height:360px;padding-right:3px;display:grid;overflow:auto}.file-row{border:1px solid var(--line);background:#fbfcff;border-radius:8px;grid-template-columns:36px minmax(0,1fr) 42px;align-items:center;gap:12px;padding:10px;display:grid}.file-index{width:34px;height:34px;color:var(--accent-primary);background:var(--accent-primary-soft);border-radius:50%;place-items:center;font-weight:800;display:grid}.file-details{gap:2px;min-width:0;display:grid}.file-details 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(width<=560px){.app-header{gap:8px;padding:10px clamp(10px,3vw,16px)}.brand-mark{gap:6px;font-size:clamp(1rem,2vw,1.3rem)}.brand-mark:before{width:22px;height:22px}.nav-links{gap:4px;padding:3px}.nav-link{min-height:36px;padding:6px 10px;font-size:.85rem;font-weight:700}.app-main{width:100%;margin:0;padding:clamp(12px,3vw,18px) clamp(10px,3vw,14px) 40px}.app-footer{gap:6px;padding:16px clamp(10px,3vw,20px);font-size:.9rem}.hero-copy h1{max-width:12ch;font-size:clamp(1.75rem,4vw,2.5rem);line-height:1}.hero-copy p{margin:14px 0 18px;font-size:clamp(.95rem,1.5vw,1rem)}.eyebrow{margin-bottom:12px;padding:6px 10px;font-size:.8rem}.hero-actions,.merge-actions{flex-direction:column;gap:10px}.hero-actions button,.merge-actions button{width:100%;min-height:40px;padding:10px 14px;font-size:.95rem}.hero-preview{min-height:220px}.label-card{width:min(260px,90%);padding:20px;transform:none}.feature-strip{grid-template-columns:1fr;gap:8px}.feature-strip div{gap:8px;min-height:48px;padding:12px;font-size:.9rem}.page-heading h1{gap:8px;font-size:clamp(1.5rem,4vw,2rem)}.page-heading h1 svg{width:24px;height:24px}.page-heading p{font-size:.95rem}.tool-panel{gap:14px;padding:clamp(12px,3vw,18px)}.drop-zone{gap:8px;padding:clamp(16px,3vw,24px)}.drop-zone svg{width:32px;height:32px}.drop-zone strong{font-size:.95rem;font-weight:700}.drop-zone span{font-size:.85rem}.drop-zone input{padding:8px;font-size:.9rem}.segmented-control{grid-template-columns:1fr;gap:6px;padding:4px}.segmented-control button{min-height:38px;font-size:.9rem;font-weight:600}.option-grid,.file-summary{grid-template-columns:1fr;gap:8px}.option-card{gap:8px;min-height:120px;padding:14px}.option-card svg{width:18px;height:18px}.option-card strong{font-size:.95rem}.option-card span{font-size:.85rem}.file-summary div{padding:12px}.file-summary strong{font-size:1.1rem}.file-summary span{font-size:.85rem}.file-list{max-height:300px}.file-row{grid-template-columns:28px minmax(0,1fr) 36px;gap:6px;padding:8px}.file-index{width:28px;height:28px;font-size:.85rem}.file-details strong{font-size:.9rem}.file-details span{font-size:.8rem}.icon-btn{width:36px;height:36px}.icon-btn svg{width:16px;height:16px}.primary-btn,.secondary-btn,.ghost-btn,.merge-btn,.full-width-btn{width:100%;min-height:40px;padding:10px 14px;font-size:.95rem}.status-message{padding:10px 12px;font-size:.9rem}.status-message svg{width:16px;height:16px}.ad-slot,.ad-slot-wide,.ad-slot-banner{min-height:120px;padding:16px}.ad-slot strong{font-size:clamp(1rem,2.5vw,1.15rem)}.ad-slot span{font-size:.9rem;line-height:1.4}.marketplace-block label{font-size:.95rem;font-weight:700}.info-strip{gap:3px;padding:12px 14px}.info-strip span{font-size:.85rem}.service-card{min-height:160px;padding:14px}.service-card svg{width:20px;height:20px}.service-card strong{font-size:1rem}.service-card span{font-size:.85rem}.section-heading h2{font-size:clamp(1.3rem,3vw,1.8rem)}.trust-section{padding:clamp(14px,3vw,18px)}.trust-section div{gap:6px}.trust-section strong{font-size:1rem}.trust-section span{font-size:.85rem}.trust-section svg{width:20px;height:20px}}@media (width<=360px){.app-header{padding:8px clamp(8px,2vw,12px)}.brand-mark{gap:4px;font-size:clamp(.95rem,1.8vw,1.1rem)}.brand-mark:before{width:20px;height:20px;box-shadow:0 0 0 3px #f9e07680}.nav-link{min-height:32px;padding:4px 8px;font-size:.8rem}.hero-copy h1{font-size:clamp(1.5rem,3.5vw,2rem)}.hero-actions button,.merge-actions button{min-height:36px;padding:8px 12px;font-size:.9rem}.hero-actions button svg,.merge-actions button svg{width:16px;height:16px}.tool-panel{padding:clamp(10px,2vw,14px)}.drop-zone{padding:clamp(12px,2vw,18px)}.segmented-control button{min-height:36px;font-size:.85rem}.primary-btn,.secondary-btn,.ghost-btn{gap:4px;min-height:36px;padding:8px 12px;font-size:.9rem}.primary-btn svg,.secondary-btn svg,.ghost-btn svg{width:16px;height:16px}.file-row{gap:4px}.file-index{width:26px;height:26px;font-size:.8rem}.icon-btn{width:32px;height:32px}.empty-state{padding:12px;font-size:.85rem}}@media (width<=320px){.app-header{padding:8px 6px}.brand-mark{gap:4px;font-size:.95rem}.nav-links{grid-template-columns:repeat(3,minmax(0,1fr));gap:3px;padding:3px;display:grid}.nav-link{min-height:30px;padding:4px 5px;font-size:.74rem;line-height:1.1}.app-main{padding:10px 6px 28px}.hero-copy h1{font-size:1.45rem;line-height:1.05}.hero-copy p{margin:12px 0 16px;font-size:.9rem;line-height:1.55}.hero-actions button,.merge-actions button,.primary-btn,.secondary-btn,.ghost-btn,.merge-btn,.full-width-btn{min-height:36px;padding:8px 10px;font-size:.86rem}.feature-strip div,.service-card,.option-card,.file-row,.file-summary div,.info-strip,.drop-zone,.tool-panel,.ad-slot{padding:10px}.drop-zone strong{font-size:.9rem;line-height:1.3}.drop-zone span{font-size:.8rem}.segment-control,.segmented-control{gap:4px}.segmented-control button{min-height:34px;padding:6px 8px;font-size:.8rem}.option-card strong{font-size:.92rem}.option-card span{font-size:.8rem}.file-row{grid-template-columns:24px minmax(0,1fr) 32px;gap:6px}.file-index{width:24px;height:24px;font-size:.74rem}.file-details strong{white-space:normal;overflow-wrap:anywhere;font-size:.86rem}.file-details span{font-size:.75rem}.icon-btn{width:30px;height:30px}.app-footer{text-align:center;flex-direction:column;gap:4px;padding:14px 8px;font-size:.84rem}}