:root{--bg: #eef1f5;--surface: rgba(255, 255, 255, .96);--surface-2: #ffffff;--surface-3: #f7f9fc;--text: #111827;--muted: #667085;--border: rgba(17, 24, 39, .08);--accent: #2e9cff;--accent-soft: rgba(46, 156, 255, .18);--warning: #f59e0b;--danger: #ef4444;--success: #10b981;--radius-sm: 16px;--radius: 24px;--space-1: 8px;--space-2: 12px;--space-3: 16px;--space-4: 24px;--shadow: 0 24px 80px rgba(0, 0, 0, .26);color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;background:var(--bg);color:var(--text)}body{min-height:100vh;background:radial-gradient(circle at top right,rgba(46,156,255,.08),transparent 28%),radial-gradient(circle at top left,rgba(125,211,252,.12),transparent 24%),linear-gradient(180deg,#f8fafc 0%,var(--bg) 100%)}button,input,select,textarea{font:inherit}button{cursor:pointer}.pdf-toolkit-shell{max-width:1440px;margin:0 auto;padding:34px 28px 0;display:grid;gap:20px}.app-header,.workspace-section,.compress-panel,.drop-zone{border:1px solid var(--border);background:var(--surface);border-radius:var(--radius);box-shadow:0 18px 60px #0f172a0f}.app-header{padding:6px 0 10px;display:flex;align-items:center;justify-content:center;gap:var(--space-3);border:0;background:transparent;min-height:88px;box-shadow:none}.brand-copy{display:flex;align-items:center;justify-content:center}.brand-logo{display:block;width:auto;max-width:min(100%,268px);height:92px}.file-chip span,.section-header p,.drop-zone span{margin:0;color:var(--muted)}.file-chip{padding:16px 20px 16px 12px;border-radius:0;background:var(--surface-2);border:1px solid var(--border);display:grid;gap:6px;text-align:right;align-items:end}.drop-zone{padding:34px;min-height:430px;display:grid;place-items:stretch;text-align:left;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}.drop-zone.is-dragging{border-color:var(--accent);box-shadow:0 24px 70px #2e9cff24;transform:translateY(-1px)}.drop-zone-inner{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(384px,504px);align-items:center;gap:28px;width:100%}.drop-zone-copy{display:grid;gap:16px;max-width:700px}.drop-zone-inner strong{font-size:clamp(2.1rem,4.2vw,3.55rem);line-height:.98;letter-spacing:-.05em;max-width:11ch}.drop-zone-inner span{font-size:1.08rem;color:var(--muted);line-height:1.6;max-width:54ch}.drop-zone-upload-card{border:1px solid rgba(17,24,39,.08);background:linear-gradient(180deg,#fff,#f8fbff);border-radius:26px;padding:24px;display:grid;gap:14px;justify-items:start;box-shadow:inset 0 1px #ffffffd9}.drop-zone-upload-label{font-size:.82rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#7c8799}.drop-zone-cta{display:inline-flex;align-items:center;justify-content:center;min-height:60px;padding:0 28px;border-radius:999px;background:#111827;color:#fff!important;font-weight:700;font-size:1.02rem!important;letter-spacing:-.02em;box-shadow:0 14px 36px #1118271f}.drop-zone-upload-card p{margin:0;color:var(--muted);line-height:1.5}.drop-zone-formats{display:flex;flex-wrap:wrap;gap:10px}.drop-zone-formats span{min-height:38px;padding:0 14px;border-radius:999px;border:1px solid rgba(17,24,39,.08);background:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:.84rem!important;font-weight:700;color:#111827;letter-spacing:.03em}.tab-row{display:inline-flex;gap:10px;padding:8px;background:#ffffffc7;width:fit-content;border:1px solid rgba(17,24,39,.06);border-radius:999px;box-shadow:0 10px 32px #0f172a0f}.tab-row button,.toolbar button,.toolbar select,.toolbar input,.preset-group button,.compress-button,.download-link{border:1px solid var(--border);border-radius:16px;padding:12px 14px;background:#111827;color:#fff;transition:background .16s ease,border-color .16s ease,box-shadow .16s ease,transform .16s ease}.tab-row button{font-weight:700;background:transparent;color:#475467;border-color:transparent;min-width:120px}.tab-row button.is-active,.toolbar-primary,.compress-button,.preset-group button.is-active,.download-link{background:var(--accent);color:#fff}.workspace-section,.compress-panel{padding:22px;display:grid;gap:18px}.toolbar{display:flex;flex-wrap:wrap;gap:12px}.toolbar-resize-group{display:inline-flex;align-items:stretch;gap:10px;padding:8px;border:1px solid rgba(17,24,39,.06);border-radius:18px;background:#f7f9fc}.toolbar-resize-group input{width:100px}.toolbar button,.toolbar select,.toolbar input{background:#fff;color:#111827;border-color:#1118271a;min-height:48px;font-weight:600;box-shadow:0 8px 24px #0f172a0a}.toolbar-primary{background:var(--accent)!important;border-color:transparent!important;color:#fff!important;box-shadow:0 16px 34px #2e9cff38!important}.toolbar button:hover:not(:disabled),.toolbar select:hover:not(:disabled),.toolbar input:hover:not(:disabled),.tab-row button:hover:not(:disabled),.preset-group button:hover:not(:disabled),.compress-button:hover:not(:disabled),.download-link:hover{transform:translateY(-1px)}.toolbar button:disabled,.toolbar select:disabled,.toolbar input:disabled,.compress-button:disabled{opacity:.45;cursor:not-allowed}.loading-banner,.status-banner{padding:14px 16px;border-radius:18px;background:var(--surface-3);border:1px solid var(--border)}.status-banner.is-warning{background:#f59e0b1f;border-color:#f59e0b66}.section-header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-3)}.section-header h2{margin:0 0 6px;font-size:1.45rem;letter-spacing:-.03em}.page-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(236px,1fr));gap:18px}.page-card{padding:14px;border:1px solid var(--border);background:var(--surface-2);display:grid;grid-template-rows:auto minmax(0,1fr) auto auto;gap:10px;min-height:320px;min-width:0;overflow:hidden;border-radius:22px;box-shadow:0 14px 42px #0f172a0f}.page-card.is-selected{border-color:var(--accent);box-shadow:0 14px 42px #0f172a0f,inset 0 0 0 1px #2e9cff6b}.page-card-toolbar,.page-card-meta,.page-checkbox,.preset-group,.image-card-actions,.slider-label-row{display:flex;align-items:center}.page-card-toolbar,.page-card-meta{justify-content:space-between;gap:8px;min-width:0}.page-checkbox{gap:8px;font-size:.92rem}.image-remove-button{min-width:36px}.page-card-preview{background:linear-gradient(180deg,#fff,#f8fafc);width:100%;min-height:210px;display:grid;place-items:center;overflow:hidden;min-width:0;border-radius:18px;border:1px solid rgba(17,24,39,.05)}.image-card-preview{padding:12px}.page-thumbnail-image{display:block;width:100%;height:100%;max-width:100%;max-height:240px;object-fit:contain;object-position:center;transition:transform .18s ease}.image-card-actions{display:flex;gap:8px;flex-wrap:wrap;min-width:0}.image-card-actions button{border:1px solid var(--border);background:#f8fafc;color:#111827;padding:8px 10px;border-radius:14px;font-weight:600}.image-card-meta{width:100%;min-width:0;align-items:flex-start;flex-direction:column}.image-card-meta strong,.quality-name{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%;width:100%}.page-card-meta span,.quality-percent,.quality-size{color:var(--muted);font-size:.88rem}.preset-group{gap:12px;flex-wrap:wrap}.preset-group button{min-width:140px;display:grid;gap:6px;text-align:left;background:#fff;color:#111827;border-color:#1118271a;box-shadow:0 8px 24px #0f172a0a}.slider-panel{display:grid;gap:10px}.slider-label-row{justify-content:space-between;color:var(--muted);font-size:.9rem}.quality-slider{width:100%}.quality-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;max-height:320px;overflow:auto}.quality-item{display:grid;grid-template-columns:minmax(160px,1.5fr) 120px 64px minmax(120px,1fr);gap:12px;align-items:center;padding:12px;border:1px solid var(--border);background:var(--surface-3);border-radius:18px}.quality-bar{width:120px;height:8px;background:#11182714}.quality-bar-fill{height:100%;background:var(--accent)}.compress-button,.download-link{width:fit-content;text-decoration:none;font-weight:700}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);background:#111827f5;color:#fff;border:1px solid rgba(17,24,39,.12);padding:12px 18px;box-shadow:var(--shadow);z-index:20}@media (max-width: 980px){.app-header{display:grid;justify-items:start}.file-chip{text-align:left}.quality-item,.drop-zone-inner{grid-template-columns:1fr}}@media (max-width: 760px){.pdf-toolkit-shell{padding:20px 16px 72px}.toolbar{flex-direction:column;align-items:stretch}.toolbar-resize-group{flex-wrap:wrap}.page-grid{grid-template-columns:1fr}}.miniapps-footer{display:flex;justify-content:center;padding:24px 0;opacity:.35;transition:opacity .2s}.miniapps-footer:hover{opacity:.7}.miniapps-footer-logo{height:36px;width:auto;display:block}