/* ===== 计算机工具集页面 ===== */
body.tools-body {
    background: radial-gradient(circle at 15% 10%, #16213c 0%, #0b1020 45%, #070a14 100%);
    color: #e5e7eb;
}

.tools-head {
    text-align: center;
    padding: 96px 20px 6px;
}
.tools-head h1 {
    margin: 0 0 8px;
    font-size: 26px;
    font-weight: 600;
    background-image: linear-gradient(135deg, #22d3ee 0%, #3b82f6 55%, #a855f7 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}
.tools-head p { margin: 0; font-size: 13px; color: #6b7280; }

.tools-wrap {
    max-width: 1340px;
    margin: 22px auto 40px;
    padding: 0 18px;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 18px;
    align-items: start;
}

/* 侧栏 */
.tools-side {
    position: sticky;
    top: 20px;
    background: rgba(13, 20, 38, .78);
    border: 1px solid rgba(126, 166, 255, .16);
    border-radius: 16px;
    padding: 14px;
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
}
.tools-search { position: relative; margin-bottom: 12px; }
.tools-search i { position: absolute; left: 11px; top: 11px; color: #6b7280; font-size: 12px; }
.tools-search input {
    width: 100%;
    height: 38px;
    padding: 0 12px 0 32px;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(126, 166, 255, .18);
    border-radius: 10px;
    color: #e5e7eb;
    font-size: 13px;
    outline: none;
}
.tools-search input:focus { border-color: #22d3ee; box-shadow: 0 0 0 3px rgba(34, 211, 238, .12); }

.tools-group-title {
    font-size: 11.5px;
    color: #6b7280;
    letter-spacing: 1px;
    margin: 14px 0 6px;
    padding-left: 4px;
}
.tools-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 13px;
    color: #cbd5e1;
    cursor: pointer;
    transition: background-color .18s, color .18s;
}
.tools-item:hover { background: rgba(126, 166, 255, .1); color: #7dd3fc; }
.tools-item.active { background: rgba(34, 211, 238, .14); color: #22d3ee; font-weight: 600; }
.tools-item i { width: 15px; text-align: center; font-size: 12px; }
.tools-item.hide { display: none; }
.tools-empty { padding: 12px 6px; font-size: 12.5px; color: #6b7280; }

/* 主区 */
.tools-main {
    background: rgba(13, 20, 38, .78);
    border: 1px solid rgba(126, 166, 255, .16);
    border-radius: 16px;
    padding: 20px;
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    min-height: 520px;
}
.tool-head { margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid rgba(126, 166, 255, .14); }
.tool-title { font-size: 18px; font-weight: 600; display: flex; align-items: center; gap: 9px; }
.tool-title i { color: #22d3ee; font-size: 15px; }
.tool-desc { margin-top: 6px; font-size: 12.5px; color: #6b7280; }

.tool-body { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tool-pane { min-width: 0; }
.tool-field { margin-bottom: 13px; }
.tool-field > label { display: block; font-size: 12.5px; color: #9ca3af; margin-bottom: 6px; }
.tool-row { display: flex; gap: 12px; }
.tool-row .tool-field { flex: 1; }

.tool-input {
    width: 100%;
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(126, 166, 255, .18);
    border-radius: 10px;
    color: #e5e7eb;
    font-size: 13px;
    padding: 10px 12px;
    outline: none;
    font-family: Consolas, Monaco, "Courier New", monospace;
    resize: vertical;
    line-height: 1.6;
}
.tool-input.one-line { height: 40px; font-family: inherit; }
.tool-input:focus { border-color: #22d3ee; box-shadow: 0 0 0 3px rgba(34, 211, 238, .12); }
select.tool-input { cursor: pointer; }
select.tool-input option { background: #0b1020; }

.tool-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 6px; }
.tool-btn {
    border: 1px solid rgba(126, 166, 255, .22);
    background: rgba(126, 166, 255, .08);
    color: #cbd5e1;
    border-radius: 9px;
    padding: 7px 14px;
    font-size: 12.5px;
    cursor: pointer;
    transition: .18s;
}
.tool-btn:hover { border-color: #22d3ee; color: #7dd3fc; background: rgba(34, 211, 238, .1); }
.tool-btn.primary {
    background: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
    border: none;
    color: #fff;
    font-weight: 600;
}
.tool-btn.primary:hover { filter: brightness(1.08); color: #fff; }

.tool-checks { display: flex; flex-wrap: wrap; gap: 12px; margin: 8px 0 12px; font-size: 12.5px; color: #9ca3af; }
.tool-checks label { display: flex; align-items: center; gap: 5px; cursor: pointer; }
.tool-checks input { accent-color: #2563eb; }

.tool-hint { font-size: 11.5px; color: #6b7280; margin-top: 5px; }
.tool-msg { font-size: 12.5px; margin-top: 8px; color: #9ca3af; min-height: 18px; }
.tool-msg.ok { color: #34d399; }
.tool-msg.err { color: #f87171; }

.tool-html { font-size: 13px; }
.tool-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.tool-table th, .tool-table td { border: 1px solid rgba(126, 166, 255, .16); padding: 6px 10px; text-align: left; }
.tool-table th { background: rgba(126, 166, 255, .07); color: #9ca3af; width: 130px; font-weight: 500; }
.tool-table thead th { color: #cbd5e1; width: auto; }
.tool-sub { margin: 14px 0 6px; font-size: 12.5px; color: #9ca3af; }
.tool-pre {
    margin: 8px 0 0;
    padding: 12px;
    background: rgba(0, 0, 0, .28);
    border: 1px solid rgba(126, 166, 255, .14);
    border-radius: 10px;
    font-size: 12.5px;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 320px;
    overflow: auto;
}
.tool-pre mark { background: rgba(34, 211, 238, .3); color: #e5e7eb; border-radius: 3px; padding: 0 2px; }
.dl { padding: 1px 6px; border-radius: 4px; }
.dl.add { background: rgba(52, 211, 153, .16); color: #6ee7b7; }
.dl.del { background: rgba(248, 113, 113, .16); color: #fca5a5; }
.dl.same { color: #9ca3af; }

.tool-kv { margin-top: 8px; font-size: 12.5px; color: #9ca3af; word-break: break-all; }
.tool-swatch { height: 54px; border-radius: 10px; border: 1px solid rgba(126, 166, 255, .18); margin-bottom: 12px; }
.tool-file { display: none; }
.tool-drop {
    border: 1px dashed rgba(126, 166, 255, .3);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    font-size: 12.5px;
    color: #6b7280;
    cursor: pointer;
}
.tool-drop.over, .tool-drop:hover { border-color: #22d3ee; color: #7dd3fc; background: rgba(34, 211, 238, .06); }
.tool-imgprev { margin-top: 12px; text-align: center; }
.tool-imgprev img { max-width: 100%; max-height: 260px; border-radius: 10px; border: 1px solid rgba(126, 166, 255, .18); }
.tool-qr { display: flex; justify-content: center; padding: 12px; }
.tool-qr img { width: 256px; height: 256px; border-radius: 12px; background: #fff; }

/* 工具网格（首页入口） */
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 14px; }
.tool-card {
    background: rgba(255, 255, 255, .03);
    border: 1px solid rgba(126, 166, 255, .16);
    border-radius: 14px;
    padding: 16px;
    cursor: pointer;
    transition: transform .18s, border-color .18s, background-color .18s;
}
.tool-card:hover { transform: translateY(-3px); border-color: #22d3ee; background: rgba(34, 211, 238, .07); }
.tool-card i { color: #22d3ee; font-size: 17px; }
.tool-card .tc-name { font-size: 14px; font-weight: 600; margin: 8px 0 4px; }
.tool-card .tc-desc { font-size: 12px; color: #6b7280; line-height: 1.5; }

/* 提示条 */
#toolToast {
    position: fixed;
    left: 50%;
    bottom: 34px;
    transform: translateX(-50%) translateY(12px);
    background: rgba(10, 16, 32, .95);
    border: 1px solid rgba(126, 166, 255, .2);
    color: #e5e7eb;
    padding: 9px 18px;
    border-radius: 999px;
    font-size: 13px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s, transform .2s;
    z-index: 99;
}
#toolToast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.tools-foot { text-align: center; font-size: 12px; color: #4b5563; padding: 6px 0 30px; }

/* 工具页不加载搜索依赖，隐藏搜索按钮避免无效交互 */
.tools-body .nav-menu > li > a.modal-trigger { display: none !important; }

@media (max-width: 900px) {
    .tools-wrap { grid-template-columns: 1fr; }
    .tools-side { position: static; max-height: none; }
    .tool-body { grid-template-columns: 1fr; }
}