:root{font-family:Segoe UI,sans-serif;color:#202522;background:#f3f4f0;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--ink: #202522;--muted: #68716b;--line: #d9ded8;--surface: #fbfcf9;--accent: #d25835;--accent-soft: #f7e8e2;--green: #3e7658}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;background-color:#f3f4f0;background-image:linear-gradient(#e9ece7 1px,transparent 1px),linear-gradient(90deg,#e9ece7 1px,transparent 1px);background-position:center top;background-size:34px 34px}button,a{color:inherit;font:inherit}a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.app-shell{min-height:100vh;animation:arrive .42s ease-out both}.topbar{display:flex;min-height:76px;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,72px);border-bottom:1px solid var(--line);background:#fbfcf9e0}.wordmark{display:inline-flex;align-items:center;gap:11px;font-size:15px;font-weight:650;text-decoration:none}.wordmark-icon{display:grid;width:30px;height:30px;place-items:center;border-radius:7px;background:var(--accent);color:#fff;font-family:Georgia,serif;font-size:20px;line-height:1}.build-label,.scope-badge,.panel-status{font-size:10px;font-weight:700;letter-spacing:.08em}.build-label{display:flex;align-items:center;gap:9px;color:var(--muted)}.build-version{padding-left:8px;border-left:1px solid var(--line);color:var(--ink)}.status-dot{width:7px;height:7px;border-radius:50%;background:var(--green)}.workspace{width:min(100% - 40px,920px);margin:clamp(72px,12vh,132px) auto 0}.workspace-kicker{display:flex;align-items:center;gap:10px;color:var(--accent);font-size:10px;font-weight:700;letter-spacing:.12em}.kicker-rule{width:24px;height:1px;background:var(--accent)}.workspace-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-top:21px;padding-bottom:29px;border-bottom:1px solid #cfd5ce}h1{margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(36px,6vw,58px);font-weight:400;line-height:1.05}.workspace-description{margin:13px 0 0;color:var(--muted);font-size:15px;line-height:1.6}.scope-badge{flex:0 0 auto;padding:8px 10px;border:1px solid #e8c7bb;border-radius:4px;background:var(--accent-soft);color:#9e452d}.foundation-panel{display:grid;grid-template-columns:54px 1fr auto;align-items:center;gap:18px;margin-top:28px;padding:23px 25px;border:1px solid var(--line);border-radius:6px;background:var(--surface);box-shadow:0 10px 36px #27312a0d}.panel-index{display:grid;width:44px;height:44px;place-items:center;border:1px solid #e6c3b5;border-radius:5px;color:var(--accent);font-family:Georgia,serif;font-size:19px}.panel-title{margin:0;font-size:14px;font-weight:650}.panel-description{max-width:560px;margin:6px 0 0;color:var(--muted);font-size:13px;line-height:1.55}.panel-status{color:var(--green);text-align:right;white-space:nowrap}.workspace-footer{display:flex;justify-content:space-between;gap:16px;margin-top:22px;color:var(--muted);font-size:11px}@keyframes arrive{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media(max-width:620px){.topbar{min-height:64px}.workspace{margin-top:70px}.workspace-intro{align-items:flex-start;flex-direction:column;gap:17px}.foundation-panel{grid-template-columns:44px 1fr;align-items:start;gap:14px;padding:19px}.panel-index{width:40px;height:40px}.panel-status{grid-column:2;text-align:left}.workspace-footer{flex-direction:column;gap:7px;padding-bottom:24px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}.workspace{width:min(100% - 40px,1080px);margin-top:clamp(48px,8vh,88px)}.dropzone{display:grid;grid-template-columns:50px minmax(0,1fr) auto;align-items:center;gap:18px;margin-top:28px;padding:22px 24px;border:1px dashed #aeb8ae;border-radius:6px;background:#fbfcf9db;transition:border-color .14s ease,background-color .14s ease}.dropzone-active{border-color:var(--accent);background:#fff9f6}.dropzone-mark,.file-mark{display:grid;place-items:center;border:1px solid #e6c3b5;border-radius:5px;color:var(--accent);font-size:10px;font-weight:750;letter-spacing:.04em}.dropzone-mark{width:46px;height:46px;background:var(--accent-soft)}.dropzone-copy h2,.results-heading h2{margin:0;font-family:Georgia,Times New Roman,serif;font-size:20px;font-weight:400}.dropzone-copy p{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.5}.choose-files{position:relative;display:inline-flex;min-height:40px;align-items:center;justify-content:center;padding:0 15px;border:1px solid var(--ink);border-radius:4px;background:var(--ink);color:#fff;cursor:pointer;font-size:12px;font-weight:650;white-space:nowrap}.choose-files:hover{background:#39413b}.choose-files:focus-within{outline:2px solid var(--accent);outline-offset:3px}.file-input{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.results-section{margin-top:42px}.results-heading,.detail-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}.section-eyebrow{margin:0 0 7px;color:var(--accent);font-size:9px;font-weight:750;letter-spacing:.12em}.results-note,.detail-title-row>span{color:var(--muted);font-size:11px}.file-results{display:grid;gap:16px;margin-top:16px}.file-result{overflow:hidden;border:1px solid var(--line);border-radius:6px;background:var(--surface);box-shadow:0 8px 28px #27312a0a;animation:arrive .26s ease-out both}.file-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 19px;border-bottom:1px solid var(--line)}.file-identity{display:flex;min-width:0;align-items:center;gap:12px}.file-mark{flex:0 0 38px;width:38px;height:38px;background:var(--accent-soft)}.file-mark-error{border-color:#e5b9af;background:#faeeeb;color:#a13d2c}.file-name-block{min-width:0}.file-name-block h3{overflow:hidden;margin:0;font-size:13px;font-weight:650;text-overflow:ellipsis;white-space:nowrap}.file-name-block>span{display:block;margin-top:4px;color:var(--muted);font-size:11px}.file-state{flex:0 0 auto;font-size:9px;font-weight:750;letter-spacing:.08em}.file-state-ready{color:var(--green)}.file-state-error{color:#a13d2c}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;padding:4px 19px 17px}.metric-grid>div{min-width:0;padding:13px 10px 0 0}.metric-grid dt{color:var(--muted);font-size:10px}.metric-grid dd{overflow:hidden;margin:5px 0 0;font-size:15px;font-variant-numeric:tabular-nums;font-weight:620;text-overflow:ellipsis;white-space:nowrap}.analysis-details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}.detail-column{min-width:0;padding:17px 19px 19px}.detail-column+.detail-column{border-left:1px solid var(--line)}.detail-column h4,.size-breakdown h4{margin:0;font-size:11px;font-weight:700}.finding-list,.recommendation-list,.size-breakdown ul,.diagnostic-list{margin:12px 0 0;padding:0;list-style:none}.finding-list{display:grid;gap:11px}.finding{display:flex;align-items:flex-start;gap:9px}.finding-dot{flex:0 0 7px;width:7px;height:7px;margin-top:4px;border-radius:50%;background:#7b9381}.finding-warning{background:var(--accent)}.finding strong,.finding small{display:block}.finding strong{font-size:11px;font-weight:650}.finding small{margin-top:3px;color:var(--muted);font-size:10px;line-height:1.45}.recommendation-list{display:grid;gap:12px}.recommendation-code{color:#9e452d;font-size:9px;font-weight:700;text-transform:uppercase}.recommendation-list p{margin:4px 0 0;color:#4f5952;font-size:11px;line-height:1.5}.size-breakdown{padding:16px 19px 18px;border-top:1px solid var(--line)}.detail-title-row{align-items:center}.size-breakdown ul{display:grid;gap:10px}.size-breakdown li{display:grid;grid-template-columns:minmax(105px,1.2fr) minmax(80px,3fr) 38px 65px;align-items:center;gap:11px;color:#4f5952;font-size:10px}.size-breakdown li strong{color:var(--ink);font-size:10px;font-variant-numeric:tabular-nums;text-align:right}.size-breakdown li small{color:var(--muted);font-size:10px;text-align:right}.size-track{height:5px;overflow:hidden;border-radius:99px;background:#e8ebe6}.size-track>span{display:block;height:100%;min-width:2px;border-radius:inherit;background:var(--accent)}.diagnostic-list{display:grid;gap:8px;margin:14px 19px}.diagnostic{padding:10px 12px;border-left:2px solid var(--accent);background:#fbf2ee;color:#713d30;font-size:12px;line-height:1.5}.diagnostic-info{border-color:#809183;background:#f0f4ef;color:#405147}.workspace-footer{margin-top:22px;padding-bottom:30px}@media(max-width:700px){.dropzone{grid-template-columns:42px 1fr;gap:13px;padding:18px}.dropzone-mark{width:40px;height:40px}.choose-files{grid-column:2;justify-self:start}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:540px){.workspace{width:min(100% - 28px,1080px);margin-top:45px}.dropzone-copy h2{font-size:17px}.results-heading{align-items:flex-start;flex-direction:column;gap:8px}.analysis-details{grid-template-columns:1fr}.detail-column+.detail-column{border-top:1px solid var(--line);border-left:0}.size-breakdown li{grid-template-columns:minmax(76px,1fr) minmax(45px,1.4fr) 34px 54px;gap:7px}.detail-title-row{align-items:flex-start;flex-direction:column;gap:5px}.file-heading,.metric-grid{padding-inline:13px}}.optimization-workflow{margin-top:38px;padding-top:27px;border-top:1px solid #cfd5ce}.workflow-heading,.comparison-heading,.batch-results-heading,.batch-file-heading,.preview-player-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.workflow-heading h2{margin:0;font-family:Georgia,Times New Roman,serif;font-size:25px;font-weight:400}.workflow-heading>div>p:last-child{margin:7px 0 0;color:var(--muted);font-size:12px;line-height:1.5}.workflow-local-tag{padding:7px 9px;border:1px solid #bfd0c0;border-radius:4px;color:var(--green);font-size:9px;font-weight:750;letter-spacing:.08em;white-space:nowrap}.workflow-controls{display:grid;grid-template-columns:minmax(250px,.9fr) minmax(320px,1.4fr) auto;align-items:end;gap:20px;margin-top:21px;padding:18px;border:1px solid var(--line);border-radius:6px;background:var(--surface)}.mode-fieldset{min-width:0;margin:0;padding:0;border:0}.mode-fieldset legend,.suffix-setting,.precision-input{margin-bottom:8px;color:#505a53;font-size:10px;font-weight:650}.mode-segment{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));padding:3px;border:1px solid var(--line);border-radius:5px;background:#eff1ed}.output-format-fieldset{grid-column:1 / -1}.output-format-segment{grid-template-columns:repeat(3,minmax(0,1fr))}.mode-choice{position:relative;display:grid;min-height:34px;place-items:center;border-radius:3px;color:#59635c;cursor:pointer;font-size:9px;font-weight:700}.mode-choice input{position:absolute;width:1px;height:1px;opacity:0}.mode-choice-active{background:#fff;color:var(--ink);box-shadow:0 1px 4px #2025221f}.mode-choice:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.advanced-settings{display:flex;flex-wrap:wrap;align-items:center;gap:9px 15px}.setting-toggle{display:inline-flex;align-items:center;gap:7px;color:#48524a;font-size:10px;line-height:1.4}.setting-toggle input{width:14px;height:14px;margin:0;accent-color:var(--green)}.precision-input{display:inline-flex;align-items:center;gap:7px;margin:0}.precision-input input,.suffix-setting input,.preview-size-control select{min-height:32px;padding:5px 8px;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--ink);font:inherit;font-size:11px}.precision-input input{width:60px}.suffix-setting{display:inline-flex;align-items:center;gap:7px;margin:0}.suffix-setting input{width:108px}.batch-actions{display:grid;gap:8px}.batch-actions button,.file-export-actions button,.preview-play{min-height:36px;padding:0 12px;border:1px solid var(--ink);border-radius:4px;background:var(--ink);color:#fff;cursor:pointer;font-size:10px;font-weight:650;white-space:nowrap}.batch-actions .secondary-action,.file-export-actions button{border-color:#bec8bf;background:#fff;color:var(--ink)}.batch-actions button:hover:not(:disabled),.file-export-actions button:hover:not(:disabled),.preview-play:hover:not(:disabled){border-color:var(--accent)}.batch-actions button:disabled,.file-export-actions button:disabled,.preview-play:disabled{opacity:.45;cursor:not-allowed}.action-message{margin:12px 0 0;color:var(--green);font-size:11px}.batch-results{margin-top:24px}.batch-results-heading{align-items:baseline;margin-bottom:12px}.batch-results-heading h3{margin:0;font-size:13px}.batch-results-heading>span,.batch-file-heading>div>span{color:var(--muted);font-size:10px}.batch-result{margin-top:12px;overflow:hidden;border:1px solid var(--line);border-radius:6px;background:var(--surface)}.batch-file-heading{align-items:center;padding:14px 17px;border-bottom:1px solid var(--line)}.batch-file-heading h4{margin:0 0 4px;font-size:12px}.validation-state{font-size:9px;font-weight:750;letter-spacing:.08em}.state-valid{color:var(--green)}.state-invalid{color:#a13d2c}.comparison-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border-bottom:1px solid var(--line)}.comparison-stats>div{display:grid;min-height:59px;align-content:center;gap:5px;padding:9px 15px;background:var(--surface)}.comparison-stats span{color:var(--muted);font-size:9px}.comparison-stats strong{overflow-wrap:anywhere;font-size:12px;font-variant-numeric:tabular-nums;font-weight:650}.validation-details,.transform-details{padding:12px 17px;border-bottom:1px solid var(--line)}.validation-details summary,.transform-details summary{color:#39443c;cursor:pointer;font-size:10px;font-weight:700}.validation-details ul,.transform-details ul{display:grid;gap:8px;margin:12px 0 0;padding:0;list-style:none}.validation-details li,.transform-details li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px;color:#536057;font-size:10px;line-height:1.45}.check-passed>strong{color:var(--green)}.check-failed>strong{color:#a13d2c}.transform-details li{grid-template-columns:115px 46px minmax(0,1fr);align-items:baseline}.risk-label{color:var(--green);font-size:9px;font-weight:650;text-transform:capitalize}.risk-potentially-lossy{color:#a14a31}.risk-visually-conservative{color:#8a7137}.workflow-diagnostics{display:grid;gap:7px;margin:12px 17px;padding-left:17px;color:#8e442f;font-size:10px;line-height:1.45}.workflow-error{margin:13px 17px;color:#a13d2c;font-size:11px}.preview-warning{margin:12px 17px;padding:9px 11px;border-left:2px solid var(--accent);background:#fbf2ee;color:#713d30;font-size:10px;line-height:1.5}.comparison-section{padding:18px 17px;border-bottom:1px solid var(--line)}.comparison-heading{align-items:center;margin-bottom:14px}.comparison-heading h4{margin:0;font-size:12px}.comparison-heading .section-eyebrow{margin-bottom:5px}.preview-size-control{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:10px}.preview-size-control select{min-height:29px}.preview-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.preview-player{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:4px;background:#fff}.preview-player-heading{align-items:center;padding:9px 11px;border-bottom:1px solid var(--line)}.preview-player-heading h4{margin:0;font-size:10px}.preview-player-heading span{color:var(--muted);font-size:9px}.preview-canvas{position:relative;display:grid;max-width:100%;place-items:center;overflow:hidden;margin:0 auto;background-color:#f6f7f4;background-image:linear-gradient(45deg,#e9ece7 25%,transparent 25%),linear-gradient(-45deg,#e9ece7 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e9ece7 75%),linear-gradient(-45deg,transparent 75%,#e9ece7 75%);background-position:0 0,0 8px,8px -8px,-8px 0;background-size:16px 16px}.preview-renderer,.preview-renderer>svg{width:100%;height:100%}.preview-message{position:absolute;margin:0;padding:8px;color:var(--muted);font-size:10px;text-align:center}.preview-controls{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:9px;padding:9px 10px;border-top:1px solid var(--line)}.preview-play{min-height:27px;padding-inline:10px;font-size:9px}.frame-scrubber{width:100%;accent-color:var(--accent)}.frame-counter{min-width:43px;color:var(--muted);font-size:9px;font-variant-numeric:tabular-nums;text-align:right}.file-export-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px;padding:12px 17px}.file-export-actions button{min-height:32px;font-size:9px}.offline-note{margin:15px 0 0;color:var(--muted);font-size:10px;line-height:1.5}@media(max-width:900px){.workflow-controls{grid-template-columns:1fr 1fr}.advanced-settings{grid-column:1 / -1;grid-row:2}.batch-actions{grid-column:2;grid-row:1}.output-format-fieldset{grid-row:3}}@media(max-width:620px){.workflow-controls{grid-template-columns:1fr;gap:15px;padding:14px}.advanced-settings,.batch-actions{grid-column:1;grid-row:auto}.batch-actions{grid-template-columns:1fr}.output-format-fieldset{grid-row:auto}.preview-pair{grid-template-columns:1fr}.comparison-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.workflow-heading{flex-direction:column;gap:10px}.transform-details li{grid-template-columns:102px 42px minmax(0,1fr);gap:6px}}