/* ====== 工具页面通用样式 ====== */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:13px;min-height:100vh}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;outline:none;font-family:inherit}
input,select,textarea{font-family:inherit;outline:none}
.hidden{display:none!important}

/* ====== 壳 ====== */
.tool-shell{max-width:800px;margin:0 auto;padding:0 16px}

/* ====== 顶栏 ====== */
.tool-topbar{height:50px;display:flex;align-items:center;gap:12px;border-bottom:1px solid rgba(var(--primary-rgb),.08)}
.tool-back{color:var(--text2);font-size:12px;display:flex;align-items:center;gap:6px;transition:color .2s}
.tool-back:hover{color:var(--primary)}
.tool-title{font-size:15px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:8px}
.tool-title i{color:var(--primary)}

/* ====== 主内容 ====== */
.tool-main{padding:16px 0;display:flex;flex-direction:column;gap:16px}

/* ====== 卡片 ====== */
.tool-card{background:var(--surface);border:1px solid rgba(var(--primary-rgb),.1);border-radius:6px;padding:16px;position:relative;overflow:hidden}
.tool-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(var(--primary-rgb),.2),transparent)}
.tool-card-title{color:var(--text2);font-size:12px;font-weight:600;letter-spacing:1px;margin-bottom:12px}

/* ====== 类型选择 ====== */
.type-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px}
.type-item{background:var(--card-bg);border:1px solid rgba(var(--primary-rgb),.08);border-radius:6px;padding:12px 8px;text-align:center;cursor:pointer;transition:all .2s;display:flex;flex-direction:column;align-items:center;gap:6px}
.type-item i{font-size:18px;color:var(--text2)}
.type-item span{font-size:11px;color:var(--text2)}
.type-item:hover{border-color:rgba(var(--primary-rgb),.2);background:rgba(var(--primary-rgb),.04)}
.type-item.selected{border-color:rgba(var(--primary-rgb),.4);background:rgba(var(--primary-rgb),.08)}
.type-item.selected i,.type-item.selected span{color:var(--primary)}

/* ====== 上传区域 ====== */
.upload-zone{border:1px dashed rgba(var(--primary-rgb),.2);border-radius:8px;padding:40px 20px;text-align:center;cursor:pointer;transition:all .2s}
.upload-zone:hover{border-color:rgba(var(--primary-rgb),.4);background:rgba(var(--primary-rgb),.03)}
.upload-zone i{font-size:32px;color:var(--text2);margin-bottom:8px}
.upload-zone p{color:var(--text2);font-size:12px}
.preview-zone{text-align:center}
.preview-zone img{max-width:100%;max-height:300px;border-radius:6px;margin-bottom:10px}

/* ====== 按钮 ====== */
.btn-primary{padding:10px 20px;border-radius:4px;font-size:13px;background:linear-gradient(135deg,var(--accent),var(--primary));color:#fff;border:none;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:6px}
.btn-primary:hover{box-shadow:0 4px 16px rgba(var(--primary-rgb),.3);transform:translateY(-1px)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-block{display:flex;justify-content:center;width:100%;padding:12px;font-size:14px}
.btn-sm{padding:4px 10px;border-radius:3px;font-size:11px}
.btn-edit{background:rgba(var(--primary-rgb),.08);color:var(--primary);border:1px solid rgba(var(--primary-rgb),.15)}

/* ====== 加载 ====== */
.loader{width:32px;height:32px;border:3px solid rgba(var(--primary-rgb),.1);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 10px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ====== 结果 ====== */
.result-banner{text-align:center;padding:20px 0;border-bottom:1px solid rgba(var(--primary-rgb),.08);margin-bottom:12px}
.result-big{font-family:Courier New,monospace;font-size:48px;color:var(--success);text-shadow:0 0 20px rgba(0,255,204,.3);font-weight:700}
.result-label{color:var(--text2);font-size:13px;margin-top:4px}
.result-time{color:var(--text2);font-size:11px;margin-top:4px}
.result-tabs{display:flex;gap:6px;margin-bottom:12px}
.tab{padding:5px 12px;border-radius:4px;font-size:11px;background:var(--card-bg);color:var(--text2);border:1px solid rgba(var(--primary-rgb),.08)}
.tab.active{color:var(--primary);background:rgba(var(--primary-rgb),.1);border-color:rgba(var(--primary-rgb),.3)}
.result-images img{max-width:100%;border-radius:6px}

/* ====== 上传图片区域(带图片) ====== */
.image-upload-row{display:flex;gap:12px;flex-wrap:wrap}
.upload-box{flex:1;min-width:200px}
.upload-box label{display:block;color:var(--text2);font-size:11px;margin-bottom:6px}

/* ====== 底部 ====== */
.tool-footer{border-top:1px solid rgba(var(--primary-rgb),.06);padding:16px;text-align:center;color:var(--text2);font-size:11px}

/* ====== 响应式 ====== */
@media(max-width:767px){
    .type-grid{grid-template-columns:repeat(3,1fr)}
    .image-upload-row{flex-direction:column}
}

/* ====== SEO工具说明 ====== */
.seo-content{margin-top:4px}
.seo-text{font-size:13px;color:var(--text2);line-height:1.9}