/* Merge keeps a bounded workspace; only the cards and the sidebar scroll. */
body.merge-working{overflow:hidden;height:100dvh}
.merge-working :is(.tools-footer,#tools-guide,.next-tools){display:none}
.merge-working .tools-main{padding:0;max-width:none;min-height:0}
.merge-working [data-tool=merge-pdf]{position:fixed;top:var(--merge-top,64px);left:0;right:0;height:var(--merge-height,calc(100dvh - 64px));min-height:0;padding:0;margin:0;overflow:auto;overscroll-behavior:contain}
.merge-working [data-tool=merge-pdf]>:is(.tool-heading,.tool-assurance){display:none}
.merge-editing [data-tool=merge-pdf]{display:flex;flex-direction:column;overflow:hidden}
.merge-editing [data-tool=merge-pdf] .editor-stage{display:grid;grid-template-columns:minmax(0,1fr) clamp(300px,29vw,370px);gap:0;flex:1;min-height:0;height:100%;margin:0;padding:0;border:0;border-radius:0;overflow:hidden;background:transparent;align-items:stretch}
.merge-editing [data-tool=merge-pdf] .file-area{display:flex;flex-direction:column;min-width:0;min-height:0;padding:16px 20px 0;overflow:hidden}
.merge-editing [data-tool=merge-pdf] .file-toolbar{flex:none;gap:8px;margin:0;padding:0 0 10px;flex-wrap:nowrap;align-items:center}
[data-tool=merge-pdf] .merge-toolbar{display:flex;align-items:center;gap:8px;margin:0;flex:1;min-width:0}
[data-tool=merge-pdf] .merge-view{display:flex;min-width:0}
[data-tool=merge-pdf] .merge-toolbar button{min-height:44px;font-size:13px;padding:8px 12px}
[data-tool=merge-pdf] .focused-toolbar-actions{margin-left:auto;gap:8px}
[data-tool=merge-pdf] [data-workspace-help] svg,[data-tool=merge-pdf] [data-merge-close],[data-tool=merge-pdf] .merge-title,[data-tool=merge-pdf] .merge-source-mobile,[data-tool=merge-pdf] .compress-settings-summary{display:none}
.merge-editing [data-tool=merge-pdf] .merge-gesture-hint{margin:0 0 8px;font-size:12px;line-height:1.5}
.merge-editing [data-tool=merge-pdf] .merge-custom{margin:0 0 8px;font-size:12px;line-height:1.5;flex:none}
.merge-card-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:12px 2px 24px;scrollbar-gutter:stable}
.merge-editing [data-tool=merge-pdf] :is(.file-list,.page-list){display:flex;flex-wrap:wrap;justify-content:center;align-content:flex-start;align-items:flex-start;gap:12px;margin:0;padding:0;min-height:0}
.merge-editing [data-tool=merge-pdf] :is(.file-list,.page-list)[hidden]{display:none}
.merge-editing [data-tool=merge-pdf] .merge-card{display:flex;flex-direction:column;position:relative;flex:0 0 152px;width:152px;min-width:0;max-width:none;margin:0;padding:4px 8px 10px;border:1px solid #d2dceb;border-radius:12px;background:#fff;box-shadow:0 2px 8px #20396d06;user-select:none;-webkit-user-select:none}
[data-tool=merge-pdf] .merge-card-top{height:36px;display:flex;align-items:center;justify-content:space-between;flex:none;margin:0}
[data-tool=merge-pdf] .merge-card .order-number{display:grid;place-items:center;position:static;background:#eaf0f9;color:#355c88;border-radius:50%;font-size:11px;width:23px;height:23px;flex:none}
[data-tool=merge-pdf] .merge-card .file-preview{display:flex;align-items:center;justify-content:center;position:relative;aspect-ratio:0.71;height:auto;width:100%;min-height:0;margin:2px 0 4px;padding:4px 2px 30px;border:0;background:transparent;border-radius:0;overflow:visible}
[data-tool=merge-pdf] .merge-card canvas{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;box-shadow:0 2px 7px #20396d26;pointer-events:auto}
[data-tool=merge-pdf] :is(.merge-remove,.merge-zoom){display:grid;place-items:center;flex:none;border:0;border-radius:0;background:transparent;box-shadow:none;color:#355c88;width:44px;height:44px;min-height:44px;padding:11px;margin:0}
[data-tool=merge-pdf] .merge-remove{margin-right:-7px}
[data-tool=merge-pdf] .merge-zoom{position:absolute;right:-7px;bottom:-5px}
[data-tool=merge-pdf] :is(.merge-remove,.merge-zoom) svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round}
[data-tool=merge-pdf] .merge-card .file-name{display:block;min-width:0;width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:0;text-align:center;font-size:12px;line-height:1.6;color:#20396d}
[data-tool=merge-pdf] .merge-card .file-size{margin:4px 0 0;font-size:11px;line-height:1.5;text-align:center;color:#61718b;min-height:17px}
[data-tool=merge-pdf] .merge-card.sort-target{outline:3px solid #438976;outline-offset:1px}
[data-tool=merge-pdf] :is(.merge-card,button):focus-visible{outline:2px solid #6589c6;outline-offset:2px}
.merge-editing [data-tool=merge-pdf] .settings{position:static;z-index:auto;width:auto;height:100%;min-height:0;max-height:none;display:flex;flex-direction:column;padding:18px;border:0;border-left:1px solid #dce2ec;border-radius:0;background:#fff;overflow:hidden}
.merge-editing [data-tool=merge-pdf] .settings>h2{flex:none;margin:0 0 8px;padding:0 0 12px;border-bottom:1px solid #dce2ec;font-size:21px}
[data-tool=merge-pdf] :is(.merge-source-desktop,.merge-source-mobile,.merge-summary){font-size:12px;line-height:1.5;text-align:center;color:#536579;font-weight:500;margin:0 0 8px}
.merge-editing [data-tool=merge-pdf] .settings>[data-settings]{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:0 4px 8px 0}
.merge-order-controls{display:flex;flex-direction:column;gap:8px;padding:10px 0}
.merge-order-controls:empty{display:none}
.merge-paper-settings{min-width:0;margin-bottom:8px}
.merge-paper-settings label{display:block;margin:14px 0 6px;font-size:13px;font-weight:600}
.merge-paper-settings :is(input,select){display:block;width:100%;min-width:0;min-height:44px;padding:10px;border:1px solid #ccd3e0;border-radius:8px;background:white;color:#364258;font-size:14px}
.merge-paper-settings .setting-help{font-size:12px;line-height:1.6;margin:12px 0}
.merge-paper-settings [data-merge-paper-custom]{margin-top:10px}
.merge-paper-settings :is(input,select):focus-visible{outline:2px solid #6589c6;outline-offset:2px}
.compress-settings-dialog .merge-paper-settings :is(input,select){font-size:16px}
.merge-order-controls button{min-height:44px;padding:10px;font-size:14px}
.merge-editing [data-tool=merge-pdf] .settings>.process-button{position:static;flex:none;width:100%;height:auto;min-height:54px;border:0;border-radius:10px;margin:12px 0 0;padding:12px;font-size:18px}
.merge-editing [data-tool=merge-pdf] .settings>[data-reset]{flex:none;margin:4px 0 0;min-height:36px}
.merge-editing [data-tool=merge-pdf]>.tool-error{flex:none;margin:0;padding:8px 16px;max-height:80px;overflow:auto;background:#fff3f0}
/* Phone: a document header, settings dialog, three cards and a separate action dock. */
.merge-mobile-editing .tools-header{display:none}
.merge-editing [data-tool=merge-pdf][data-compress-mobile] .editor-stage{display:flex;flex-direction:column;height:100%}
.merge-editing [data-tool=merge-pdf][data-compress-mobile] .file-area{padding:0 10px;flex:1}
.merge-editing [data-tool=merge-pdf][data-compress-mobile] .file-toolbar{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:2px;margin:0 -10px 8px;padding:4px 6px 8px;padding-top:max(4px,env(safe-area-inset-top));background:white;border-bottom:1px solid #dce2ec}
[data-tool=merge-pdf][data-compress-mobile] .merge-title{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:16px;font-weight:600;color:#20396d}
[data-tool=merge-pdf][data-compress-mobile] :is([data-merge-close],[data-workspace-help]){display:grid;place-items:center;width:44px;min-height:44px;height:44px;padding:10px;border:0;background:transparent;color:#20396d}
[data-tool=merge-pdf][data-compress-mobile] :is([data-merge-close],[data-workspace-help]) svg{display:block;width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
[data-tool=merge-pdf][data-compress-mobile] [data-workspace-help] span{display:none}
[data-tool=merge-pdf][data-compress-mobile] .focused-toolbar-actions{grid-column:3;grid-row:1;gap:0}
[data-tool=merge-pdf][data-compress-mobile] .compress-settings-trigger{width:44px;height:44px;min-height:44px;padding:9px}
[data-tool=merge-pdf][data-compress-mobile] .merge-toolbar{grid-column:1/-1;grid-row:2;justify-content:space-between;padding:4px 4px 0}
[data-tool=merge-pdf][data-compress-mobile] .merge-toolbar [data-add]{width:44px;height:44px;min-height:44px;padding:0;font-size:28px;border-radius:50%;background:#294f94;color:#fff}
[data-tool=merge-pdf][data-compress-mobile] .merge-summary{flex:none;margin:0 0 6px}
[data-tool=merge-pdf][data-compress-mobile] .merge-gesture-hint{display:none}
[data-tool=merge-pdf][data-compress-mobile] .merge-card-scroll{padding:6px 0 16px;scrollbar-gutter:auto}
.merge-editing [data-tool=merge-pdf][data-compress-mobile] :is(.file-list,.page-list){gap:10px 8px}
.merge-editing [data-tool=merge-pdf][data-compress-mobile] .merge-card{flex:0 0 calc((100% - 16px)/3);width:calc((100% - 16px)/3);padding:4px 5px 8px}
[data-tool=merge-pdf][data-compress-mobile] .merge-card .file-name{font-size:11px}
[data-tool=merge-pdf][data-compress-mobile] .merge-card .file-size{font-size:10px}
.merge-editing [data-tool=merge-pdf][data-compress-mobile] .settings{flex:none;width:100%;height:auto;min-height:0;padding:8px 12px max(8px,env(safe-area-inset-bottom));border:0;border-top:1px solid #dce2ec;box-shadow:0 -3px 14px #20396d0a}
.merge-editing [data-tool=merge-pdf][data-compress-mobile] .settings>:is(h2,.merge-source-desktop,[data-settings],[data-reset]){display:none}
.merge-editing [data-tool=merge-pdf][data-compress-mobile] .merge-source-mobile{display:block;margin:0 0 6px}
.merge-editing [data-tool=merge-pdf][data-compress-mobile] .settings>.process-button{margin:0;font-size:18px;min-height:52px}
/* Results follow the common Split result layout. */
.merge-result [data-tool=merge-pdf]{max-width:850px;margin:0 auto}
.merge-result .result-heading h2{text-align:center;overflow-wrap:anywhere}
.merge-result .download-actions{max-width:560px;margin:0 auto;align-items:center;gap:10px}
.merge-result .result-stage .result-download{flex-basis:100%;width:100%;min-width:0;gap:8px}
.merge-result .result-download svg{margin:0}
.merge-result .result-stage .result-preview{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px}
.merge-result .result-metrics{text-align:center}
.merge-result .result-retry{max-width:560px}
.merge-result .result-stage .result-retry [data-retry]{width:100%;min-height:44px}
.merge-result .result-retry [data-reset]{flex-basis:100%;min-height:44px}
@media(max-width:760px){.merge-result .tools-main{padding-left:16px;padding-right:16px}.merge-result .result-heading{gap:8px}.merge-result .result-heading h2{font-size:24px}}