/* ============================================================
   自用工具箱 — 统一主题
   浅色 / 暗色（[data-theme="dark"]），localStorage 记忆
   ============================================================ */

:root {
  --bg:        #f5f7fa;
  --bg-card:   #ffffff;
  --bg-soft:   #eef1f6;
  --bg-input:  #ffffff;
  --border:    #e3e8ef;
  --border-strong: #cbd5e1;
  --text:      #1f2937;
  --text-soft: #64748b;
  --text-mute: #94a3b8;
  --primary:   #2563eb;
  --primary-soft: #dbeafe;
  --primary-hover: #1d4ed8;
  --success:   #16a34a;
  --warning:   #d97706;
  --danger:    #dc2626;
  --shadow:    0 1px 3px rgba(15,23,42,.08), 0 1px 2px rgba(15,23,42,.04);
  --shadow-lg: 0 10px 30px rgba(15,23,42,.10);
  --radius:    10px;
  --radius-sm: 6px;
  --geo:       #0ea5e9;
  --data:      #8b5cf6;
}

[data-theme="dark"] {
  --bg:        #0f172a;
  --bg-card:   #1e293b;
  --bg-soft:   #273449;
  --bg-input:  #0f172a;
  --border:    #334155;
  --border-strong: #475569;
  --text:      #e2e8f0;
  --text-soft: #94a3b8;
  --text-mute: #64748b;
  --primary:   #3b82f6;
  --primary-soft: #1e3a5f;
  --primary-hover: #60a5fa;
  --shadow:    0 1px 3px rgba(0,0,0,.4);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.5);
  --geo:       #38bdf8;
  --data:      #a78bfa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 14px;
  height: 56px; padding: 0 20px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.topbar .brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 16px; color: var(--text);
}
.topbar .brand:hover { text-decoration: none; }
.topbar .crumb { color: var(--text-mute); }
.topbar .crumb a { color: var(--text-soft); }
.topbar .tool-name { font-weight: 600; }
.topbar .spacer { flex: 1; }
.topbar .safe-badge {
  font-size: 12px; color: var(--success);
  background: color-mix(in srgb, var(--success) 12%, transparent);
  padding: 4px 10px; border-radius: 20px; white-space: nowrap;
}
.theme-toggle {
  cursor: pointer; border: 1px solid var(--border);
  background: var(--bg-soft); color: var(--text);
  width: 34px; height: 34px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; transition: .15s;
}
.theme-toggle:hover { border-color: var(--border-strong); }

/* ---------- 布局容器 ---------- */
.container { max-width: 1080px; margin: 0 auto; padding: 24px 20px 60px; }
.page-head { margin-bottom: 20px; }
.page-head h1 { font-size: 22px; margin: 0 0 6px; }
.page-head p { margin: 0; color: var(--text-soft); font-size: 14px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  margin-bottom: 18px;
}
.card > h2, .card > h3 { margin-top: 0; }
.card-title { font-size: 15px; font-weight: 600; margin: 0 0 14px; display:flex; align-items:center; gap:8px; }

/* ---------- 表单控件 ---------- */
label.field { display: block; margin-bottom: 12px; font-size: 13px; color: var(--text-soft); }
label.field > span { display: block; margin-bottom: 5px; }

input[type=text], input[type=number], input[type=password], select, textarea {
  width: 100%; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-input); color: var(--text);
  font-size: 14px; font-family: inherit;
  transition: border-color .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
textarea { resize: vertical; min-height: 120px; line-height: 1.5;
  font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace; font-size: 13px; }
.mono { font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace; }

.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 160px; }
.inline { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-soft); color: var(--text);
  font-size: 14px; font-family: inherit; cursor: pointer; transition: .15s;
  white-space: nowrap;
}
.btn:hover { border-color: var(--border-strong); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- 拖拽上传 ---------- */
.dropzone {
  border: 2px dashed var(--border-strong); border-radius: var(--radius);
  padding: 26px; text-align: center; cursor: pointer;
  color: var(--text-soft); transition: .15s; background: var(--bg-soft);
}
.dropzone:hover, .dropzone.drag { border-color: var(--primary); background: var(--primary-soft); color: var(--primary); }
.dropzone .big { font-size: 32px; margin-bottom: 6px; }
.dropzone input { display: none; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }
table.grid { border-collapse: collapse; width: 100%; font-size: 13px; }
table.grid th, table.grid td {
  border-bottom: 1px solid var(--border); padding: 7px 10px; text-align: left;
  white-space: nowrap; }
table.grid th { background: var(--bg-soft); font-weight: 600; position: sticky; top: 0; }
table.grid tbody tr:hover { background: var(--bg-soft); }

/* ---------- 统计块 ---------- */
.stats { display: flex; gap: 14px; flex-wrap: wrap; }
.stat {
  flex: 1; min-width: 110px; background: var(--bg-soft);
  border-radius: var(--radius-sm); padding: 12px 14px; text-align: center;
}
.stat .v { font-size: 22px; font-weight: 700; color: var(--primary); }
.stat .l { font-size: 12px; color: var(--text-soft); margin-top: 2px; }

/* ---------- 提示条 ---------- */
.note { font-size: 13px; padding: 10px 14px; border-radius: var(--radius-sm); margin: 10px 0; }
.note.info { background: var(--primary-soft); color: var(--primary-hover); }
.note.warn { background: color-mix(in srgb, var(--warning) 14%, transparent); color: var(--warning); }
.note.err  { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }

/* ---------- Toast ---------- */
#toast-wrap { position: fixed; top: 70px; left: 50%; transform: translateX(-50%); z-index: 9999;
  display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast {
  background: var(--text); color: var(--bg-card);
  padding: 9px 18px; border-radius: 20px; font-size: 13px;
  box-shadow: var(--shadow-lg); animation: toastIn .2s ease;
}
.toast.ok  { background: var(--success); color: #fff; }
.toast.err { background: var(--danger); color: #fff; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; } }

/* ============================================================
   首页
   ============================================================ */
.hero { text-align: center; padding: 40px 20px 10px; }
.hero h1 { font-size: 30px; margin: 0 0 8px; }
.hero p { color: var(--text-soft); margin: 0; }

.cat-head { display: flex; align-items: center; gap: 10px; margin: 30px 0 14px; }
.cat-head .dot { width: 10px; height: 10px; border-radius: 50%; }
.cat-head h2 { font-size: 18px; margin: 0; }
.cat-head .desc { color: var(--text-mute); font-size: 13px; }

.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.tool-card {
  display: block; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; transition: .15s; box-shadow: var(--shadow);
}
.tool-card:hover { text-decoration: none; transform: translateY(-2px);
  box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.tool-card .ic { font-size: 26px; margin-bottom: 10px; }
.tool-card .t { font-weight: 600; color: var(--text); margin-bottom: 4px; }
.tool-card .d { font-size: 13px; color: var(--text-soft); }
.tool-card .tag { display:inline-block; font-size:11px; padding:1px 7px; border-radius:10px;
  background: var(--bg-soft); color: var(--text-mute); margin-top:8px; }

.footer { text-align: center; color: var(--text-mute); font-size: 12px; padding: 40px 0 20px; }