/* PDF Compress Station · Toolbox — global stylesheet
   Brand tokens carried over from the legacy site (see BUILD-SPEC). */
:root{
  --accent:#2d6a4f; --accent-hover:#245340; --accent-light:#d8e8df;
  --bg:#f6f5f1; --bg-soft:#edebe4; --bg-card:#fff; --border:#d8d5cc;
  --text:#1a1a1a; --text-muted:#6b6b6b;
  --radius:16px; --shadow:0 2px 12px rgba(0,0,0,.06); --shadow-lg:0 8px 32px rgba(0,0,0,.10);
  --font:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --danger:#b3261e; --warn-bg:#fdf6e3; --warn-border:#e3cf8a;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.narrow{max-width:860px;margin:0 auto;padding:0 24px}

/* header */
.site-head{position:sticky;top:0;z-index:200;background:rgba(246,245,241,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:13px;padding-bottom:13px;flex-wrap:wrap}
.logo{font-size:1.12rem;font-weight:700;color:var(--text);text-decoration:none;display:flex;align-items:center;gap:9px}
.logo-icon{width:32px;height:32px;background:var(--accent);border-radius:9px;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:.78rem;font-weight:800}
.logo small{font-size:.72rem;color:var(--text-muted);font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.main-nav{display:flex;gap:18px;flex-wrap:wrap}
.main-nav a{color:var(--text-muted);text-decoration:none;font-size:.9rem;font-weight:500}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--accent);font-weight:600}

/* hero / headings */
.hero{padding:52px 0 10px;text-align:center}
.hero h1{font-size:2.2rem;line-height:1.25;font-weight:800}
.hero h1 .accent{color:var(--accent)}
.hero p{color:var(--text-muted);max-width:680px;margin:14px auto 0;font-size:1.02rem}
.badges{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.badge{background:var(--accent-light);color:var(--accent-hover);font-size:.8rem;font-weight:600;padding:4px 13px;border-radius:100px}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.14em;color:var(--accent);text-transform:uppercase}
.crumbs{font-size:.86rem;color:var(--text-muted);padding:22px 0 0}
.crumbs a{color:var(--text-muted);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.page-head{padding:14px 0 6px}
.page-head h1{font-size:1.9rem;font-weight:800;line-height:1.3}
.page-head p{color:var(--text-muted);margin-top:8px;max-width:720px}

/* tool cards grid (home) */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;padding:34px 0 8px}
.tool-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;text-decoration:none;color:var(--text);display:block;transition:transform .15s,box-shadow .15s}
.tool-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.tool-card .tc-icon{width:44px;height:44px;border-radius:12px;background:var(--accent-light);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:12px}
.tool-card h2{font-size:1.12rem;margin-bottom:6px}
.tool-card p{color:var(--text-muted);font-size:.92rem}
.tool-card .tc-go{color:var(--accent);font-weight:600;font-size:.9rem;margin-top:10px;display:inline-block}

/* tool workbench */
.workbench{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;margin:22px 0 8px}
.dropzone{border:2px dashed var(--border);border-radius:12px;padding:38px 20px;text-align:center;cursor:pointer;background:var(--bg);transition:border-color .2s,background .2s}
.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:var(--accent-light)}
.dropzone h3{font-size:1.08rem;margin-bottom:6px}
.dropzone p{color:var(--text-muted);font-size:.9rem}
.dropzone .dz-icon{font-size:2rem;margin-bottom:8px}
.privacy-note{margin-top:14px;font-size:.86rem;color:var(--accent-hover);background:var(--accent-light);border-radius:10px;padding:9px 14px}
.mem-note{margin-top:10px;font-size:.84rem;color:#7a6414;background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:10px;padding:9px 14px}
.warn-note{margin-top:10px;font-size:.88rem;color:#7a6414;background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:10px;padding:10px 14px}
.hidden{display:none!important}

.file-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.file-item{display:flex;align-items:center;gap:12px;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:10px 14px}
.file-item[draggable="true"]{cursor:grab}
.file-item.dragging{opacity:.45}
.file-icon{background:var(--accent);color:#fff;font-size:.68rem;font-weight:800;border-radius:6px;padding:5px 7px;flex:none}
.file-icon.img{background:#8a6d3b}
.file-info{flex:1;min-width:0}
.file-name{font-weight:600;font-size:.92rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-size{color:var(--text-muted);font-size:.8rem}
.icon-btn{background:none;border:1px solid var(--border);border-radius:8px;cursor:pointer;padding:4px 10px;font-size:.85rem;font-family:var(--font);color:var(--text)}
.icon-btn:hover{border-color:var(--accent);color:var(--accent)}
.icon-btn.danger:hover{border-color:var(--danger);color:var(--danger)}

.options{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px;align-items:flex-end}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:.84rem;font-weight:600}
.field select,.field input[type="text"]{padding:10px 12px;border:1.5px solid var(--border);border-radius:10px;font-size:.92rem;font-family:var(--font);background:#fff}
.field select:focus,.field input[type="text"]:focus{outline:none;border-color:var(--accent)}
.radio-cards{display:flex;gap:10px;flex-wrap:wrap}
.radio-card{border:1.5px solid var(--border);border-radius:12px;padding:12px 16px;cursor:pointer;min-width:150px;background:#fff}
.radio-card.active{border-color:var(--accent);background:var(--accent-light)}
.radio-card b{display:block;font-size:.95rem}
.radio-card span{font-size:.8rem;color:var(--text-muted)}
.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:12px 26px;font-size:.95rem;font-weight:600;cursor:pointer;font-family:var(--font)}
.btn-primary:hover{background:var(--accent-hover)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.btn-secondary{background:#fff;color:var(--text);border:1.5px solid var(--border);border-radius:10px;padding:11px 22px;font-size:.95rem;font-weight:600;cursor:pointer;font-family:var(--font)}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}
.actions{margin-top:20px;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.progress-wrap{margin-top:18px}
.progress-bar{height:10px;background:var(--bg-soft);border-radius:100px;overflow:hidden}
.progress-fill{height:100%;width:0;background:var(--accent);border-radius:100px;transition:width .25s}
.progress-text{font-size:.88rem;color:var(--text-muted);margin-top:8px}
.status-msg{margin-top:14px;font-size:.92rem}
.status-msg.error{color:var(--danger)}
.result-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.compare{display:flex;gap:14px;flex-wrap:wrap;margin-top:14px}
.compare .box{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:14px 20px;min-width:150px}
.compare .box .label{font-size:.8rem;color:var(--text-muted)}
.compare .box .value{font-size:1.25rem;font-weight:700}
.compare .box .value.green{color:var(--accent)}

/* organize thumbnails */
.thumb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;margin-top:18px}
.thumb-card{border:1px solid var(--border);border-radius:12px;background:#fff;padding:10px;text-align:center;cursor:grab}
.thumb-card.dragging{opacity:.45}
.thumb-card canvas{max-width:100%;height:auto;border:1px solid var(--border);border-radius:6px;background:#fff}
.thumb-card .tc-meta{font-size:.8rem;color:var(--text-muted);margin:6px 0}
.thumb-card .tc-btns{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}

/* long-form sections */
.section{padding:38px 0 6px}
.section h2{font-size:1.45rem;font-weight:800;margin-bottom:12px}
.section h3{font-size:1.08rem;margin:20px 0 8px}
.section p{margin-bottom:12px;max-width:780px}
.section ol,.section ul{margin:0 0 14px 22px;max-width:760px}
.section li{margin-bottom:7px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:8px}
.step{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.step .n{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.step h3{margin:0 0 6px;font-size:1rem}
.step p{color:var(--text-muted);font-size:.9rem;margin:0}
.faq{max-width:820px}
.faq-item{border:1px solid var(--border);border-radius:12px;background:var(--bg-card);margin-bottom:10px;overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:15px 18px;font-size:.97rem;font-weight:600;cursor:pointer;font-family:var(--font);display:flex;justify-content:space-between;gap:10px;color:var(--text)}
.faq-q::after{content:"+";color:var(--accent);font-weight:700}
.faq-item.open .faq-q::after{content:"–"}
.faq-a{display:none;padding:0 18px 16px;color:#333;font-size:.93rem}
.faq-item.open .faq-a{display:block}
.related{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.related a{background:var(--bg-card);border:1px solid var(--border);border-radius:100px;padding:8px 18px;text-decoration:none;font-size:.9rem;font-weight:500;color:var(--text)}
.related a:hover{border-color:var(--accent);color:var(--accent)}

/* article / static pages */
.article-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:34px 38px;margin:22px 0 40px}
.article-card h1{font-size:1.75rem;line-height:1.35;margin-bottom:10px}
.article-card .meta{color:var(--text-muted);font-size:.88rem;margin-bottom:20px;display:flex;gap:8px;flex-wrap:wrap}
.article-body{font-size:1rem}
.article-body p{margin-bottom:14px}
.article-body h2{font-size:1.3rem;margin:26px 0 10px}
.article-body h3{font-size:1.1rem;margin:22px 0 8px}
.article-body ul,.article-body ol{margin:0 0 14px 22px}
.article-body li{margin-bottom:6px}
.article-body img{max-width:100%;height:auto;border-radius:8px}
.article-body table{border-collapse:collapse;margin:14px 0;max-width:100%;overflow-x:auto;display:block}
.article-body td,.article-body th{border:1px solid var(--border);padding:6px 10px}
.exp-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;padding:10px 0 30px}
.exp-item{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:18px;text-decoration:none;color:var(--text);display:block;box-shadow:var(--shadow)}
.exp-item:hover{border-color:var(--accent)}
.exp-item h3{font-size:.98rem;line-height:1.5;margin-bottom:6px}
.exp-item p{color:var(--text-muted);font-size:.84rem}

/* footer */
.site-foot{border-top:1px solid var(--border);margin-top:56px;background:var(--bg-soft)}
.site-foot .wrap{padding-top:28px;padding-bottom:34px}
.foot-links{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:12px}
.foot-links a{color:var(--text-muted);text-decoration:none;font-size:.9rem}
.foot-links a:hover{color:var(--accent)}
.site-foot p{color:var(--text-muted);font-size:.86rem}
#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);background:#1a1a1a;color:#fff;padding:11px 20px;border-radius:100px;font-size:.86rem;z-index:900;opacity:0;pointer-events:none;transition:opacity .25s;max-width:90vw;text-align:center}
#toast.show{opacity:1}
@media (max-width:640px){
  .hero h1{font-size:1.6rem}
  .page-head h1{font-size:1.45rem}
  .article-card{padding:24px 18px}
  .workbench{padding:18px}
  .main-nav{gap:12px}
}