/* 1Panel 风格：Element Plus 体系 + 1Panel 主色 #005EEB，左侧导航 + 白卡片 */
:root {
  --primary: #005eeb;
  --primary-hover: #2a7bf0;
  --primary-active: #0049bb;
  --primary-light: #e5eefd;
  --primary-lighter: #f2f7fe;

  --ink: #111417;
  --text: #303133;
  --text-regular: #646a73;
  --text-secondary: #85888e;
  --placeholder: #adb0bc;

  --border: #dcdfe6;
  --border-light: #e4e7ed;
  --border-lighter: #ebeef5;
  --fill-light: #f5f7fa;

  --bg: #f3f4f6;
  --white: #fff;
  --success: #67c23a;
  --warning: #e6a23c;
  --danger: #f56c6c;
  --radius: 4px;
}

* { box-sizing: border-box; }

/* hidden 属性要压过下面 .menu/.progress 这类 display 规则 */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.app { display: flex; min-height: 100vh; }

/* ---------- 左侧导航 ---------- */
.sidebar {
  width: 208px;
  flex: 0 0 208px;
  background: var(--white);
  border-right: 1px solid var(--border-lighter);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 18px 16px; border-bottom: 1px solid var(--border-lighter); }
.logo {
  width: 32px; height: 32px; border-radius: var(--radius);
  background: var(--primary); color: #fff;
  display: grid; place-items: center; font-size: 15px; font-weight: 700;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text b { font-size: 15px; color: var(--ink); }
.brand-text small { font-size: 11px; color: var(--placeholder); }

.menu { display: flex; flex-direction: column; gap: 2px; padding: 12px 10px; flex: 1; }
.tab {
  display: flex; align-items: center; gap: 9px;
  border: none; background: none; color: var(--text-regular);
  font: inherit; text-align: left; cursor: pointer;
  padding: 9px 12px; border-radius: var(--radius); transition: .15s;
}
.tab:hover { background: var(--fill-light); color: var(--ink); }
.tab.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.tab:disabled { color: var(--placeholder); cursor: not-allowed; background: none; }

.side-foot {
  border-top: 1px solid var(--border-lighter);
  padding: 12px 16px; font-size: 12px; color: var(--text-secondary);
  display: flex; flex-direction: column; gap: 3px;
}
.side-foot small { color: var(--placeholder); font-size: 11px; }
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--success); margin-right: 6px; }

/* ---------- 顶部 ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  background: var(--white); border-bottom: 1px solid var(--border-lighter);
  padding: 12px 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.crumb h1 { margin: 0; font-size: 17px; font-weight: 600; color: var(--ink); }
.crumb span { font-size: 12px; color: var(--placeholder); }
.crumb em { font-style: normal; color: var(--text-secondary); }

.file-chip {
  display: flex; align-items: center; gap: 8px;
  background: var(--primary-lighter); border: 1px solid var(--primary-light);
  color: var(--text-regular); border-radius: var(--radius); padding: 6px 12px; font-size: 13px;
  max-width: 460px;
}
.file-chip svg { color: var(--primary); flex: none; }
.file-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.content { padding: 16px 22px 28px; display: flex; flex-direction: column; gap: 16px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--white); border: 1px solid var(--border-lighter);
  border-radius: var(--radius); padding: 18px 20px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.card-head h2 { margin: 0; font-size: 15px; font-weight: 600; color: var(--ink); position: relative; padding-left: 10px; }
.card-head h2::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 14px; background: var(--primary); border-radius: 2px;
}
.card-sub { font-size: 12px; color: var(--text-secondary); }
.hint { color: var(--text-secondary); font-size: 12.5px; margin: 10px 0 0; }
.actions { display: flex; gap: 10px; }

/* ---------- 上传 ---------- */
.dropzone {
  margin-top: 14px; border: 1px dashed var(--border); border-radius: var(--radius);
  background: var(--fill-light); padding: 28px 20px; text-align: center; cursor: pointer; transition: .15s;
}
.dropzone:hover, .dropzone.hover { border-color: var(--primary); background: var(--primary-lighter); }
.dz-icon { width: 26px; height: 26px; color: var(--primary); }
.dz-main { margin-top: 8px; font-size: 14px; color: var(--text); }
.dz-sub { margin-top: 5px; color: var(--text-secondary); font-size: 12px; }

.link { border: none; background: none; color: var(--primary); font: inherit; cursor: pointer; padding: 0; }
.link:hover { color: var(--primary-hover); text-decoration: underline; }

.progress { margin-top: 12px; display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: 12.5px; }
.progress .bar {
  flex: 1; height: 3px; border-radius: 2px; overflow: hidden;
  background: linear-gradient(90deg, var(--primary) 0 30%, var(--border-lighter) 30% 100%);
  background-size: 250% 100%; animation: slide 1.1s linear infinite;
}
@keyframes slide { to { background-position: -150% 0; } }

/* ---------- 提示条 ---------- */
.alert { border-radius: var(--radius); padding: 9px 13px; font-size: 13px; margin-top: 12px; border: 1px solid transparent; }
.alert.info { background: var(--primary-lighter); border-color: var(--primary-light); color: #1c4fa1; }
.alert.warn { background: #fdf6ec; border-color: #faecd8; color: #a06a1b; }
.alert.error { background: #fef0f0; border-color: #fde2e2; color: #c03a3a; }

/* ---------- 指标 ---------- */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(158px, 1fr)); gap: 10px; margin-top: 14px; }
.metric { background: var(--fill-light); border: 1px solid var(--border-lighter); border-radius: var(--radius); padding: 11px 14px; }
.metric .label { color: var(--text-secondary); font-size: 12.5px; }
.metric .value { font-size: 21px; font-weight: 600; color: var(--ink); margin-top: 2px; font-variant-numeric: tabular-nums; }
.metric .value small { font-size: 12px; font-weight: 400; color: var(--text-secondary); margin-left: 4px; }

/* ---------- 按钮 / 表单 ---------- */
.btn {
  border: 1px solid transparent; border-radius: var(--radius); padding: 8px 17px;
  font: inherit; font-size: 13.5px; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; transition: .15s;
}
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.primary:active { background: var(--primary-active); }
.btn.primary:disabled { background: #a0c0f5; cursor: not-allowed; }
.btn.plain { background: var(--white); border-color: var(--border); color: var(--text-regular); }
.btn.plain:hover { color: var(--primary); border-color: var(--primary); background: var(--primary-lighter); }

.params { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; margin-top: 16px; }
.params label { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; color: var(--text-regular); }
.params input, .params select, .table-head input {
  font: inherit; font-size: 13.5px; color: var(--text); background: var(--white);
  padding: 7px 11px; width: 120px; border: 1px solid var(--border); border-radius: var(--radius); transition: .15s;
}
.params input:hover, .params select:hover, .table-head input:hover { border-color: var(--placeholder); }
.params input:focus, .params select:focus, .table-head input:focus { outline: none; border-color: var(--primary); }

.presets { display: flex; gap: 8px; }
.chip {
  border: 1px solid var(--border); background: var(--white); color: var(--text-regular);
  border-radius: var(--radius); padding: 6px 13px; font: inherit; font-size: 12.5px; cursor: pointer; transition: .15s;
}
.chip:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-lighter); }
.weight-tip { font-size: 12.5px; color: var(--text-secondary); padding-bottom: 8px; }
.weight-tip.bad { color: var(--danger); }

/* ---------- 结果 ---------- */
.notes { margin-top: 12px; display: flex; flex-direction: column; gap: 6px; }
.note {
  background: var(--primary-lighter); border: 1px solid var(--primary-light);
  color: #1c4fa1; border-radius: var(--radius); padding: 7px 12px; font-size: 12.5px;
}

.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 12px; margin-top: 16px; }
.chart { height: 310px; border: 1px solid var(--border-lighter); border-radius: var(--radius); padding: 6px; background: var(--white); }

.table-head { display: flex; align-items: center; justify-content: space-between; margin-top: 20px; gap: 12px; }
.table-head h3 { margin: 0; font-size: 14px; font-weight: 600; color: var(--ink); }
.table-head input { width: 230px; }

.table-wrap { margin-top: 10px; overflow: auto; max-height: 440px; border: 1px solid var(--border-lighter); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 9px 12px; text-align: left; white-space: nowrap; border-bottom: 1px solid var(--border-lighter); }
th { position: sticky; top: 0; background: var(--fill-light); color: var(--text-regular); font-weight: 600; z-index: 1; }
tbody tr:hover { background: var(--primary-lighter); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.pill { border-radius: 2px; padding: 1px 8px; font-size: 12px; font-weight: 500; border: 1px solid transparent; }
.pill.A { background: var(--primary-light); color: var(--primary); border-color: #c5daf9; }
.pill.B { background: #f0f9eb; color: #529b2e; border-color: #e1f3d8; }
.pill.C { background: #fdf6ec; color: #b88230; border-color: #faecd8; }
.pill.其他 { background: var(--fill-light); color: var(--text-secondary); border-color: var(--border-lighter); }
.table-foot { padding: 8px 12px; color: var(--text-secondary); font-size: 12.5px; background: var(--fill-light); }

.suggestions { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; }
.suggestion {
  background: #f0f9eb; border: 1px solid #e1f3d8; border-left: 3px solid var(--success);
  border-radius: var(--radius); padding: 9px 13px; font-size: 13px; color: #4e7f2f;
}

@media (max-width: 900px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; flex: none; height: auto; position: static; flex-direction: row; align-items: center; overflow-x: auto; }
  .menu { flex-direction: row; padding: 8px; }
  .side-foot { display: none; }
  .charts { grid-template-columns: 1fr; }
  .chart { height: 270px; }
  .content { padding: 14px; }
}