:root{--ink:#17181b;--muted:#6d7077;--line:#e6e7e9;--soft:#f5f5f3;--paper:#fff;--sidebar:#161819;--accent:#176b55;--accent-2:#d9f261;--blue:#2864dc;--orange:#ed7d31;--shadow:0 24px 70px rgba(20,25,27,.17);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:#f1f2ef;letter-spacing:0}
*{box-sizing:border-box}body{margin:0;min-width:320px}.button,button,input,textarea,select{font:inherit;letter-spacing:0}button{cursor:pointer}.hidden{display:none!important}.app-shell{display:grid;grid-template-columns:244px 1fr;min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:244px;background:var(--sidebar);color:#fff;padding:25px 17px 18px;display:flex;flex-direction:column;z-index:20}.brand{display:flex;gap:12px;align-items:center;padding:0 8px 27px}.brand-mark{width:38px;height:38px;display:grid;place-items:center;background:var(--accent-2);color:#111;font:bold 22px Georgia;border-radius:4px}.brand strong,.brand span,.sidebar-footer strong,.sidebar-footer span{display:block}.brand strong{font-size:15px}.brand span{font-size:11px;color:#969a99;margin-top:3px}.nav{display:grid;gap:5px}.nav-item{display:flex;align-items:center;gap:12px;border:0;background:transparent;color:#aeb2b0;padding:11px 12px;border-radius:5px;text-align:left}.nav-item svg{width:18px}.nav-item:hover,.nav-item.active{background:#272a29;color:#fff}.nav-item.active:before{content:"";width:3px;height:18px;background:var(--accent-2);position:absolute;left:17px}.sidebar-label{font-size:10px;color:#707573;text-transform:uppercase;margin:31px 11px 10px;font-weight:700}.category-list{display:grid;gap:3px}.category-list button{border:0;background:transparent;color:#989d9b;text-align:left;padding:8px 12px;font-size:13px;display:flex;justify-content:space-between}.category-list button:hover{color:#fff}.category-list b{font-size:10px;background:#2a2d2c;padding:2px 6px;border-radius:9px}.sidebar-footer{margin-top:auto;border-top:1px solid #2c2f2e;padding:18px 4px 0;display:grid;grid-template-columns:34px 1fr 32px;align-items:center;gap:9px}.avatar{width:34px;height:34px;border-radius:50%;background:#e96c45;display:grid;place-items:center;font-size:11px;font-weight:700}.sidebar-footer strong{font-size:12px}.sidebar-footer span{font-size:10px;color:#858a88;margin-top:3px}.sidebar-footer .icon-button{color:#777;background:transparent}.main{grid-column:2;min-width:0}.topbar{height:72px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;padding:0 38px;position:sticky;top:0;z-index:10;backdrop-filter:blur(14px)}.global-search{height:40px;max-width:620px;flex:1;display:flex;align-items:center;gap:10px;background:#f3f4f2;border:1px solid transparent;padding:0 12px;border-radius:5px}.global-search:focus-within{background:#fff;border-color:#a6bcb4}.global-search svg{width:17px;color:#777}.global-search input{border:0;outline:0;background:transparent;flex:1;min-width:0}.global-search kbd{font-size:10px;color:#888;border:1px solid #d6d7d4;padding:2px 6px;border-radius:3px;background:#fff}.primary-button,.secondary-button,.ghost-button,.text-button,.icon-button{border:0;display:inline-flex;align-items:center;justify-content:center;gap:7px}.primary-button{background:var(--accent);color:#fff;padding:11px 16px;border-radius:4px;font-weight:650}.primary-button:hover{background:#125743}.primary-button svg,.ghost-button svg,.secondary-button svg{width:16px}.ghost-button{background:#fff;border:1px solid var(--line);color:#343638;padding:10px 14px;border-radius:4px}.secondary-button{background:#eef2ef;color:#234f43;padding:10px 14px;border-radius:4px}.text-button{background:transparent;color:var(--accent);font-size:12px}.icon-button{width:34px;height:34px;border-radius:4px;background:#f2f3f1;color:#4c4f50}.icon-button svg{width:17px}.mobile-menu{display:none}.content{padding:43px 42px 70px;max-width:1500px;margin:auto}.page-heading{display:flex;justify-content:space-between;gap:30px;align-items:flex-end;padding-bottom:36px}.eyebrow,.panel-kicker{font-size:10px;font-weight:800;color:var(--accent);letter-spacing:1.4px!important;margin:0 0 10px}.page-heading h1{font:600 35px/1.18 Georgia,"Noto Serif SC",serif;margin:0;letter-spacing:0}.page-heading>div>p:last-child{color:var(--muted);font-size:14px;margin:13px 0 0}.heading-stats{display:flex;gap:1px;background:var(--line)}.heading-stats div{background:#f1f2ef;padding:5px 19px;text-align:right}.heading-stats strong,.heading-stats span{display:block}.heading-stats strong{font:600 22px Georgia;color:#222}.heading-stats span{font-size:10px;color:#777;margin-top:3px}.filter-row{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:18px 0;border-top:1px solid #d9dbd8;border-bottom:1px solid #d9dbd8}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{border:1px solid #dcdeda;background:transparent;color:#666;padding:7px 11px;border-radius:3px;font-size:12px}.chip.active{background:#202422;color:#fff;border-color:#202422}.filter-row select{border:0;background:transparent;color:#555;outline:0}.section-title{display:flex;align-items:flex-end;justify-content:space-between;padding:30px 0 17px}.section-title h2{margin:0;font-size:18px}.section-title span{font-size:11px;color:#888}.prompt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.prompt-card{background:var(--paper);border:1px solid #e1e3e0;padding:20px;min-height:232px;display:flex;flex-direction:column;position:relative;transition:.18s ease;border-radius:5px}.prompt-card:hover{transform:translateY(-2px);box-shadow:0 13px 35px rgba(30,37,34,.08);border-color:#cdd4d0}.card-top{display:flex;justify-content:space-between;align-items:flex-start}.category-badge{font-size:10px;font-weight:750;text-transform:uppercase;color:var(--accent);background:#e9f2ee;padding:5px 7px;border-radius:2px}.favorite-button{background:transparent;border:0;color:#a2a6a4}.favorite-button.active{color:#db6c43}.favorite-button svg{width:17px;fill:currentColor}.prompt-card h3{font-size:17px;margin:17px 0 8px}.prompt-card p{font-size:12px;line-height:1.65;color:#6a6e6c;margin:0}.tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:13px}.tag{font-size:10px;background:#f3f4f2;color:#777;padding:4px 6px;border-radius:2px}.card-footer{margin-top:auto;padding-top:17px;display:flex;align-items:center;justify-content:space-between;border-top:1px solid #f0f1ef}.author{display:flex;gap:8px;align-items:center;font-size:10px;color:#737776}.mini-avatar{width:25px;height:25px;border-radius:50%;display:grid;place-items:center;background:#252928;color:#fff;font-size:9px}.card-metrics{display:flex;gap:9px;color:#8c908e;font-size:10px}.card-metrics span{display:flex;align-items:center;gap:3px}.card-metrics svg{width:13px}.empty-state{text-align:center;padding:80px 20px;color:#727673}.empty-state svg{width:38px}.empty-state h3{color:#222}.overlay{position:fixed;inset:0;background:rgba(12,15,14,.38);z-index:30;backdrop-filter:blur(2px)}.panel{position:fixed;top:0;right:0;height:100vh;background:#fff;z-index:40;box-shadow:var(--shadow);transform:translateX(103%);transition:.26s ease;display:flex;flex-direction:column}.panel.open{transform:none}.detail-panel{width:min(630px,100vw)}.studio-panel{width:min(720px,100vw)}.panel-header,.modal-header{padding:24px 27px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.panel-header h2,.modal-header h2{margin:0;font-size:19px}.panel-kicker{display:block;margin-bottom:5px}.panel-body{padding:25px 27px;overflow:auto}.detail-summary{color:#666;line-height:1.7;font-size:13px}.detail-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:11px;color:#777;margin:18px 0}.prompt-code{background:#1d211f;color:#e9eeeb;padding:20px;border-radius:5px;white-space:pre-wrap;font:12px/1.72 Consolas,monospace;max-height:52vh;overflow:auto}.detail-actions{display:flex;gap:9px;margin-top:18px}.detail-actions .primary-button{flex:1}.studio-tabs{display:flex;padding:0 27px;border-bottom:1px solid var(--line)}.studio-tabs button{border:0;background:transparent;padding:14px 20px;font-weight:650;color:#8a8d8c;border-bottom:2px solid transparent}.studio-tabs button.active{color:var(--accent);border-color:var(--accent)}.studio-body{display:flex;flex-direction:column;gap:18px}.field{display:flex;flex-direction:column;gap:7px}.field span{font-size:12px;font-weight:700}.field small{font-size:10px;color:#888}.field input,.field textarea,.field select{width:100%;border:1px solid #dfe1de;background:#fafbf9;border-radius:4px;padding:11px 12px;outline:0;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:#7ca294;background:#fff}.wide{width:100%;height:44px}.studio-status{background:#f0f5f2;padding:14px;display:flex;gap:12px;align-items:center;border-left:3px solid var(--accent)}.studio-status strong,.studio-status p{display:block;margin:0}.studio-status p{font-size:11px;color:#777;margin-top:3px}.spinner{width:19px;height:19px;border:2px solid #b9cbc4;border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-section{border-top:1px solid var(--line);padding-top:18px}.result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.result-header>div{display:flex;align-items:center;gap:8px}.result-header span{font-size:12px;font-weight:700}.result-header small{background:#e8f2ed;color:#27644f;font-size:9px;padding:4px 6px}.result-section textarea{width:100%;border:1px solid #d8dbd8;background:#f8f9f7;padding:14px;resize:vertical;font:11px/1.65 Consolas,monospace}.result-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:12px}.modal{position:fixed;z-index:50;top:50%;left:50%;transform:translate(-50%,-50%);width:min(680px,calc(100vw - 28px));max-height:90vh;overflow:auto;background:#fff;box-shadow:var(--shadow);border-radius:6px}.modal form{padding:22px 27px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid .full{grid-column:1/-1}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:22px}.toast{position:fixed;left:50%;bottom:28px;z-index:70;transform:translateX(-50%);background:#1d211f;color:#fff;padding:11px 16px;border-radius:4px;box-shadow:var(--shadow);font-size:12px}
@media(max-width:1080px){.prompt-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.heading-stats{display:none}}

/* Local fallback labels keep controls usable when the external icon bundle is unavailable. */
[data-icon]{display:inline-flex;align-items:center;justify-content:center;font-style:normal;line-height:1}
[data-icon="x"]::before{content:"×";font-size:22px;font-weight:400}
[data-icon="copy"]::before{content:"▣";font-size:15px}
[data-icon="maximize-2"]::before{content:"↗";font-size:17px}
[data-icon="refresh-cw"]::before{content:"↻";font-size:18px}
[data-icon="send"]::before{content:"➤";font-size:15px}
[data-icon="play"]::before{content:"▶";font-size:11px}
[data-icon="trash-2"]::before{content:"⌫";font-size:16px}
[data-icon="edit-3"]::before{content:"✎";font-size:16px}
[data-icon="bookmark"]::before{content:"◆";font-size:12px}
[data-icon="menu"]::before{content:"☰";font-size:17px}
[data-icon="search"]::before{content:"⌕";font-size:20px}
[data-icon="upload"]::before{content:"↑";font-size:17px}
[data-icon="sparkles"]::before,[data-icon="wand-sparkles"]::before{content:"✦";font-size:16px}
[data-icon="compass"]::before{content:"⊙";font-size:17px}
[data-icon="layers-3"]::before{content:"▤";font-size:16px}
[data-icon="building-2"]::before{content:"▥";font-size:17px}
[data-icon="book-open"]::before{content:"▤";font-size:16px}
[data-icon="search-x"]::before{content:"⌕×";font-size:22px}

/* Make the card favorite control unmistakable. */
.favorite-button{width:36px;height:32px;background:#f6f8f6;border:1px solid #d9dfdb;border-radius:4px;color:#68736e;transition:.16s ease}
.favorite-button:hover{border-color:var(--accent);color:var(--accent);background:#edf5f1}
.favorite-button.active{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 3px 9px rgba(23,107,85,.22)}
.favorite-button svg{width:18px;height:18px;fill:none;stroke-width:2.2}
.favorite-button.active svg{fill:currentColor}
[data-icon="bookmark"]::before{content:"☆";font-size:19px;line-height:1}
.favorite-button.active [data-icon="bookmark"]::before{content:"★"}
.guide-button{white-space:nowrap}
.guide-modal{width:min(720px,calc(100vw - 28px))}
.guide-body{padding:24px 28px;overflow:auto;display:grid;gap:20px}
.guide-body section{border-bottom:1px solid var(--line);padding-bottom:16px}
.guide-body section:last-child{border-bottom:0;padding-bottom:0}
.guide-body h3{font-size:14px;margin:0 0 8px;color:var(--accent)}
.guide-body p,.guide-body li{font-size:12px;line-height:1.8;color:#5f6662;margin:0}
.guide-body ul{margin:0;padding-left:20px}
@media(max-width:760px){.app-shell{display:block}.sidebar{transform:translateX(-100%);transition:.25s ease}.sidebar.open{transform:none}.main{width:100%}.topbar{padding:0 15px}.mobile-menu{display:inline-flex}.topbar>.ghost-button{display:none}.topbar>.primary-button{font-size:0;width:40px;padding:0;flex:0 0 40px}.topbar>.primary-button svg{width:18px}.global-search kbd{display:none}.content{padding:29px 16px 60px}.page-heading{display:block}.page-heading h1{font-size:28px}.filter-row{align-items:flex-start;flex-direction:column}.prompt-grid{grid-template-columns:1fr}.prompt-card{min-height:210px}.detail-panel,.studio-panel{width:100%}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.panel-header,.panel-body,.modal-header,.modal form{padding-left:18px;padding-right:18px}}
/* Anonymous internal workspace footer and upload affordances */
.anonymous-footer{grid-template-columns:25px 1fr!important;color:#8d9390}.anonymous-footer>svg{width:18px}.anonymous-footer strong{color:#fff}.anonymous-footer span{color:#858a88}
.prompt-file{font-size:11px;color:#6f7572}
.danger-button{background:#fff0ee;color:#b24d3e;border:1px solid #f0c6bf;padding:10px 14px;border-radius:4px}
.tag-nav-row{display:flex;align-items:center;gap:2px}.tag-nav-row>button:first-child{flex:1}.tag-delete{width:28px;height:28px;background:transparent;border:0;color:#69706c;display:grid;place-items:center;border-radius:3px}.tag-delete:hover{background:#2a2d2c;color:#f0aaa0}.tag-delete svg{width:14px}.no-tags{font-size:11px;line-height:1.5;color:#727875;margin:5px 12px 0}