/* ============================================================
   批量图片压缩工具 · 专属样式（batch-image-compressor.css）
   ============================================================ */
:root{
    --panel:#FFFFFF;
    --ink:#1B211D;
    --text-muted:#767C74;
    --before:#C1432B;
    --after:#2F8F5B;
    --after-bg:#E9F5EE;
    --info-bg:#EAF3ED;
    --info-text:#2F6B49;
    --lock-overlay:rgba(246,244,236,0.82);
}

body{
    background:var(--bg);
    color:var(--ink);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    min-height:100vh;
}

.hero{padding:32px 28px 18px;max-width:1200px;margin:0 auto;}
.hero .eyebrow{
    font-family:"JetBrains Mono","Consolas","Menlo",monospace;font-size:12px;color:var(--teal);
    letter-spacing:0.12em;text-transform:uppercase;margin-bottom:10px;font-weight:600;
}
.hero h1{
    font-weight:800;letter-spacing:-0.01em;
    font-size:clamp(24px,4vw,34px);margin:0 0 8px;
}
.hero p{color:var(--text-muted);max-width:700px;line-height:1.7;margin:0;font-size:14px;}

.advantage-strip{
    max-width:1200px;margin:0 auto 18px;padding:0 28px;
    display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
}
@media (max-width: 900px){ .advantage-strip{grid-template-columns:repeat(2,1fr);} }
.advantage-item{
    display:flex;gap:10px;align-items:flex-start;
    background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px 14px;
    font-size:12px;color:var(--text-muted);line-height:1.6;
}
.advantage-item b{color:var(--ink);font-size:13px;}
.advantage-icon{font-size:18px;line-height:1.3;flex-shrink:0;}

.disclaimer{max-width:1200px;margin:0 auto 8px;padding:0 28px;}
.disclaimer .box{
    border-radius:6px;padding:11px 16px;font-size:12.5px;line-height:1.6;
    border:1px solid var(--line);
}
.disclaimer .box.info{background:var(--info-bg);color:var(--info-text);border-color:#CFE6D9;}

main{
    max-width:1200px;margin:0 auto;padding:22px 28px 60px;
    display:grid;grid-template-columns:360px 1fr;gap:22px;align-items:start;
}
@media (max-width: 900px){ main{grid-template-columns:1fr;} }

.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.panel-header{
    padding:13px 18px;border-bottom:1px solid var(--line);
    font-weight:700;font-size:14.5px;
    display:flex;justify-content:space-between;align-items:center;
}
.panel-header button{
    font-family:"JetBrains Mono","Consolas","Menlo",monospace;font-size:11px;
    background:none;border:1px solid var(--line);border-radius:4px;
    padding:4px 9px;cursor:pointer;color:var(--text-muted);
}
.panel-header button:hover{color:var(--teal);border-color:var(--teal);}

details.section{border-bottom:1px solid var(--line);}
details.section:last-child{border-bottom:none;}
details.section summary{
    list-style:none;cursor:pointer;padding:12px 18px;
    font-size:13px;font-weight:700;color:var(--ink);
    display:flex;align-items:center;gap:8px;
    background:#F1EFE6;
}
details.section summary::-webkit-details-marker{display:none;}
details.section summary .tag{
    font-family:"JetBrains Mono","Consolas","Menlo",monospace;font-size:10.5px;color:var(--gold);
    border:1px solid var(--gold);border-radius:3px;padding:1px 5px;
}
details.section summary::after{
    content:"展开";margin-left:auto;font-size:11px;color:var(--text-muted);font-weight:400;
}
details.section[open] summary::after{content:"收起";}
details.section .inner{padding:6px 18px 14px;}

.field{padding:10px 0;border-bottom:1px dashed var(--line);}
.field:last-child{border-bottom:none;}
.field label{display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:500;margin-bottom:7px;color:var(--ink);}
.field .hint{font-size:11px;color:var(--text-muted);margin-top:5px;line-height:1.6;}

select{
    width:100%;padding:8px 9px;border:1px solid var(--line);border-radius:5px;
    background:#fff;font-family:inherit;font-size:13.5px;color:var(--ink);
}
select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,138,62,0.15);}
input[type=range]{width:100%;accent-color:var(--teal);}
.rangeval{font-family:"JetBrains Mono","Consolas","Menlo",monospace;font-size:11px;color:var(--text-muted);margin-left:auto;}
.checkrow{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--text-muted);line-height:1.5;}
.checkrow input{margin-top:3px;}

.btn{
    font-family:inherit;font-size:13.5px;font-weight:600;
    padding:10px 18px;border-radius:6px;cursor:pointer;border:1px solid transparent;
    display:inline-flex;align-items:center;gap:6px;
}
.btn-primary{background:var(--teal-deep);color:#fff;}
.btn-primary:hover{background:var(--teal);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);}
.btn-ghostpy{background:transparent;color:var(--text-muted);border-color:var(--line);}
.btn-ghostpy:hover{border-color:var(--gold);color:var(--gold);}
.btn:disabled{opacity:0.45;cursor:not-allowed;}
.btn:disabled:hover{border-color:var(--line);color:var(--ink);}

/* ---------- 工作区 ---------- */
.work-panel{padding:22px 22px 26px;display:flex;flex-direction:column;gap:18px;}

.hero-stat{text-align:center;padding:14px 10px 4px;}
.hero-stat-num{
    font-family:"JetBrains Mono","Consolas","Menlo",monospace;font-weight:700;
    font-size:clamp(30px,5vw,44px);color:var(--after);line-height:1;
}
.hero-stat-num .unit{font-size:0.42em;color:var(--text-muted);margin-left:6px;font-weight:600;}
.hero-stat-label{font-size:12px;color:var(--text-muted);margin-top:6px;}
.hero-stat-sub{font-size:12px;color:var(--after);margin-top:4px;font-weight:600;min-height:16px;}

.dropzone{
    border:2px dashed var(--line);border-radius:10px;
    padding:34px 20px;text-align:center;cursor:pointer;
    transition:border-color 0.15s, background 0.15s;
    background:#FAFAF5;
}
.dropzone:hover,.dropzone.dragover{border-color:var(--teal);background:var(--after-bg);}
.dz-icon{font-size:30px;margin-bottom:8px;}
.dz-title{font-weight:700;font-size:14px;margin-bottom:4px;}
.dz-sub{font-size:12px;color:var(--text-muted);}

.list-toolbar{display:flex;gap:10px;flex-wrap:wrap;}

.donate-banner{
    display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
    background:#FBF6EC;border:1px solid #EBD7B0;border-radius:8px;padding:12px 16px;font-size:12.5px;color:var(--ink);
}
.donate-banner b{color:var(--gold);}
.donate-banner-ok{
    background:var(--after-bg);border:1px solid #CFE6D9;color:var(--info-text);
    border-radius:8px;padding:10px 16px;font-size:12.5px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}

.file-list{display:flex;flex-direction:column;gap:10px;}
.file-row{
    border:1px solid var(--line);border-radius:8px;padding:12px 14px;
    display:grid;grid-template-columns:52px 1fr auto;gap:12px;align-items:center;
    position:relative;background:#fff;
}
.file-row.locked{filter:grayscale(0.3);}
.file-thumb{
    width:52px;height:52px;border-radius:6px;object-fit:cover;background:#F1EFE6;border:1px solid var(--line);
}
.file-info{min-width:0;}
.file-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;}
.file-sizes{
    font-family:"JetBrains Mono","Consolas","Menlo",monospace;font-size:11.5px;color:var(--text-muted);
    display:flex;align-items:center;gap:6px;margin-top:5px;flex-wrap:wrap;
}
.file-sizes .after-size{color:var(--after);font-weight:700;}
.file-sizes .saved-pct{
    font-size:10.5px;background:var(--after-bg);color:var(--after);border-radius:10px;padding:1px 7px;font-weight:700;
}
.size-bar{height:5px;border-radius:3px;background:var(--before);opacity:0.35;margin-top:7px;position:relative;overflow:hidden;max-width:220px;}
.size-bar-fill{position:absolute;left:0;top:0;bottom:0;background:var(--after);opacity:1;border-radius:3px;width:0%;transition:width 0.4s ease;}
.file-status{font-size:11px;color:var(--text-muted);}
.file-actions{display:flex;gap:6px;align-items:center;}
.file-actions button{
    font-size:11.5px;padding:6px 10px;border-radius:5px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--text-muted);
}
.file-actions button:hover{border-color:var(--gold);color:var(--gold);}
.file-actions .remove-btn:hover{border-color:var(--before);color:var(--before);}

.lock-badge{
    position:absolute;inset:0;border-radius:8px;
    background:var(--lock-overlay);display:flex;align-items:center;justify-content:center;
    font-size:12px;color:var(--text-muted);font-weight:600;gap:6px;
}

.meta-note{font-size:11.5px;color:var(--text-muted);text-align:center;line-height:1.6;}

.tool-footer-note{max-width:1200px;margin:0 auto;padding:0 28px 40px;font-size:12px;color:var(--text-muted);line-height:1.7;}
.tool-footer-note .box{border-top:1px solid var(--line);padding-top:16px;}