/* Shared desktop layout; smaller screens keep their existing stacked layout. */
/* Palette preferences are cosmetic. Evidence/technique highlight colors stay semantic. */
:root{--pc-ink:#30463c;--pc-muted:#758076;--pc-line:#dce3d8;--pc-paper:#f5f3ef;--pc-card:#fffefa;--pc-accent:#567666;--pc-soft:#eaf0e8;--pc-dark:#3c5c4b}
html[data-iwa-theme=mist]{--pc-ink:#344853;--pc-muted:#71828d;--pc-line:#d8e1e7;--pc-paper:#f1f4f6;--pc-card:#fdfefe;--pc-accent:#5d7e92;--pc-soft:#e5edf2;--pc-dark:#415f73}
html[data-iwa-theme=oat]{--pc-ink:#514838;--pc-muted:#8b8171;--pc-line:#e5ddcf;--pc-paper:#f5f0e7;--pc-card:#fffdf8;--pc-accent:#8a7455;--pc-soft:#eee7db;--pc-dark:#705c41}
html[data-iwa-theme=lilac]{--pc-ink:#4c4055;--pc-muted:#877b8e;--pc-line:#e0d9e5;--pc-paper:#f4f0f6;--pc-card:#fffdfd;--pc-accent:#85708e;--pc-soft:#ece6f0;--pc-dark:#6b5675}
html[data-iwa-theme] body{background:var(--pc-paper)}
html[data-iwa-theme] .iwa-module-nav{background:var(--pc-soft);border-color:var(--pc-line);color:var(--pc-accent)}
html[data-iwa-theme] .iwa-home-link,html[data-iwa-theme] .iwa-personal-link{color:var(--pc-accent)}
html[data-iwa-theme] .module:not(.placeholder),html[data-iwa-theme] .reader-shell,html[data-iwa-theme] .settings-card{background:var(--pc-card)}
html[data-iwa-theme] .iwa-module-options{background:var(--pc-card);border-color:var(--pc-line)}
html[data-iwa-theme] .iwa-module-options a{color:var(--pc-accent)}
html[data-iwa-theme] .iwa-module-options a:hover,html[data-iwa-theme] .iwa-module-options a[aria-current=page]{background:var(--pc-soft);color:var(--pc-dark)}
.iwa-nav-right{display:flex;align-items:center;gap:24px;min-width:0}.iwa-personal-link{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:#607767;font:600 14px/1.5 "Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;min-height:34px;white-space:nowrap;border-left:1px solid var(--pc-line);padding-left:22px}.iwa-nav-avatar{width:27px;height:27px;border:1px solid var(--pc-line);border-radius:50%;display:grid;place-items:center;background:var(--pc-card);color:var(--pc-accent);overflow:hidden}.iwa-nav-avatar svg{width:17px;height:17px}.iwa-nav-avatar img{width:100%;height:100%;object-fit:cover}.iwa-personal-link[aria-current=page]{color:var(--pc-dark)}
html[data-iwa-reduced-motion=true]{scroll-behavior:auto!important}html[data-iwa-reduced-motion=true] *,html[data-iwa-reduced-motion=true] *::before,html[data-iwa-reduced-motion=true] *::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition:none!important;scroll-behavior:auto!important}
@media(max-width:480px){.iwa-module-nav{flex-wrap:wrap}.iwa-nav-right{gap:12px;margin-left:auto}.iwa-personal-link{font-size:13px;padding-left:12px;gap:6px}.iwa-nav-avatar{width:25px;height:25px}.iwa-module-picker summary{gap:6px!important}}
@media(max-width:600px){.iwa-nav-right{gap:9px}.iwa-nav-right>.iwa-guide-launch{width:32px;height:32px;min-height:32px;padding:5px;margin:0}.iwa-guide-launch>svg{width:20px;height:20px}}
[hidden]{display:none!important}
.reader-table{margin:24px 0;padding:16px 18px;background:#f0f3ec;border:1px solid #d9e0d4;border-radius:14px}.reader-table summary{font-size:17px;font-weight:650;cursor:pointer;min-height:30px;line-height:1.65}.reader-table p{color:#75816f;font-size:14px;line-height:1.8}.reader-table img{display:block;width:100%;height:auto;margin:16px 0;background:white;border:1px solid #d8e0d4}.reader-table a{display:block}
.module-footer a{flex:1;display:flex;align-items:center;justify-content:center;min-height:44px;text-align:center}
.saved-status{display:flex;align-items:center;gap:8px;flex:1;color:#5c7968;font-size:16px}.saved-status svg{width:21px}.remove-saved{color:#976e66;background:#f1e6df}
.unified-draft{white-space:pre-wrap;overflow-wrap:anywhere;min-height:126px;padding:16px!important;cursor:text;line-height:1.8!important;font-size:18px!important}.unified-draft p{margin:0;min-height:1.8em}.unified-draft .citation-line{text-align:right;color:#617465;font:16px/1.8 Georgia,serif}.unified-draft:focus{outline:none}.unified-draft:empty:before{content:attr(data-placeholder);color:#929d91;pointer-events:none}
.writing-workspace{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.writing-workspace label{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:650}.writing-workspace select{min-height:44px;padding:8px 12px;border:1px solid #c6d3c2;border-radius:10px;background:#fffef9;font:inherit;color:#526d59;min-width:220px}.writing-workspace #essay-word-export{padding:10px 16px;border-radius:10px;border:1px solid #c6d3c2;background:#edf2e7;font-size:16px}.writing-workspace p{width:100%;margin:0}
@media(min-width:1000px){
 body{font-size:17px}.page{max-width:1400px;padding:36px 48px 70px}.module p,.module-footer a,.entry{font-size:16px}.module{min-height:270px}.module-main{padding:29px}.module-footer{padding:0 29px 26px}.intro{padding-top:48px}
 .wrap{max-width:1240px;padding:35px 52px 76px}.wrap .tabs{position:sticky;top:12px;z-index:9;backdrop-filter:blur(12px)}.wrap .sentence-card{padding:25px}.wrap .page-intro{max-width:860px}
 .reader-shell{max-width:1160px;border-left:1px solid #e0e5dc;border-right:1px solid #e0e5dc}.reader-shell .toolbar{padding:14px 44px 0}.reader-shell .toolbar-top{height:54px}.reader-shell .mode-switch{max-width:440px;margin:8px 0 14px}.reader-shell .progress-track{margin:0 -44px}.reader-shell .article{max-width:900px;padding:46px 44px 100px;margin:auto}.reader-shell .document-title{max-width:780px;font-size:39px}.reader-shell .reader-paragraph{line-height:1.95}.reader-shell .bottom-bar{left:50%;right:auto;margin:0;transform:translateX(-50%);width:min(1160px,100%);max-width:none;padding:12px 44px}.reader-shell .bottom-bar button{font-size:16px}.reader-shell .source-logo{width:205px}
 #sheet{inset:0;margin:auto;width:min(820px,calc(100vw - 72px));max-width:820px;max-height:85dvh;border:1px solid #d5dfd3;border-radius:20px}.sheet-handle{display:none}.sheet-header{padding:20px 28px}.sheet-header h2{font-size:22px}.sheet-content{padding:25px 28px;max-height:calc(85dvh - 170px)}.sheet-footer{padding:16px 28px}.sheet-content .quote-block,.sheet-content .usage-text{font-size:18px}.picker-dialog{inset:0;margin:auto;border-radius:20px;height:min(85dvh,900px);width:min(980px,90vw)}
 .page .plan-manager{padding:21px 24px}.page .section-head{padding:23px}.page .node-title{font-size:18px}.page .group-node>.node-row .node-title{font-size:20px}.page .stage-cause-node>.node-row .node-title,.page .stage-effect-node>.node-row .node-title{font-size:17px}.page .material-text{font-size:18px}.page .small-muted,.page .material-tag,.page .material-source{font-size:15px}
}
@media(max-width:600px){.writing-workspace label{flex-wrap:wrap}.writing-workspace select{min-width:0;max-width:100%}.unified-draft{font-size:17px!important}}
@media(max-width:480px){.module-footer{align-items:stretch}.module-footer a{width:100%}}