/* ===== 基础重置 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

:root {
  --bg: #f4f6f9;
  --bg-soft: #eef2f7;
  --card: #ffffff;
  --card-border: #e4e9f0;
  --text: #1a2332;
  --text-soft: #5a6779;
  --text-mute: #8a96a8;
  --primary: #0e9488;
  --primary-dark: #0a766c;
  --primary-soft: #e6f7f5;
  --accent: #f59e0b;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --warn: #d97706;
  --warn-soft: #fffbeb;
  --ok: #16a34a;
  --ok-soft: #f0fdf4;
  --shadow: 0 1px 3px rgba(16,42,68,.06), 0 1px 2px rgba(16,42,68,.04);
  --shadow-lg: 0 10px 30px rgba(16,42,68,.08), 0 4px 12px rgba(16,42,68,.05);
  --radius: 12px;
  --radius-sm: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 14px;
}
.text-mute { color: var(--text-mute); }

/* ===== 顶部导航 ===== */
.topbar {
  background: linear-gradient(135deg, #0e9488 0%, #0a766c 100%);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(14,148,136,.25);
}
.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  font-size: 26px;
  width: 44px; height: 44px;
  background: rgba(255,255,255,.18);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}
.brand-text h1 { font-size: 18px; font-weight: 700; letter-spacing: .5px; }
.brand-text p { font-size: 11px; opacity: .85; }
.topbar-steps { display: flex; gap: 6px; flex-wrap: wrap; }
.topbar-steps .step {
  font-size: 12px;
  padding: 5px 10px;
  background: rgba(255,255,255,.15);
  border-radius: 6px;
  white-space: nowrap;
  cursor: pointer;
  transition: background .15s;
}
.topbar-steps .step:hover { background: rgba(255,255,255,.3); }

/* ===== 容器 ===== */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}

/* ===== 卡片 ===== */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  border: 1px solid var(--card-border);
  overflow: hidden;
}
.card-head {
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--bg-soft);
  background: linear-gradient(180deg, #fbfcfd 0%, #ffffff 100%);
}
.card-title { display: flex; align-items: center; gap: 12px; }
.card-no {
  width: 28px; height: 28px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
  flex-shrink: 0;
}
.card-title h2 { font-size: 17px; font-weight: 700; color: var(--text); }
.card-desc { font-size: 13px; color: var(--text-soft); margin-top: 6px; }
.card-body { padding: 22px; }

/* ===== 拖拽上传区 ===== */
.dropzone {
  border: 2px dashed #c5d0de;
  border-radius: var(--radius);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  background: var(--bg-soft);
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--primary);
  background: var(--primary-soft);
}
.dropzone-icon { font-size: 40px; margin-bottom: 10px; }
.dropzone-main { font-size: 15px; color: var(--text); margin-bottom: 6px; }
.dropzone-main .link { color: var(--primary); font-weight: 600; }
.dropzone-hint { font-size: 12px; color: var(--text-mute); }

.upload-status {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  display: flex; align-items: center; gap: 8px;
}
.upload-status.ok { background: var(--ok-soft); color: var(--ok); border: 1px solid #bbf7d0; }
.upload-status.err { background: var(--danger-soft); color: var(--danger); border: 1px solid #fecaca; }

/* ===== 表单 ===== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-soft);
}
.c-hint {
  font-weight: 400;
  color: var(--text-mute);
  font-size: 11px;
  margin-left: 4px;
}
.form-row input, .form-row select {
  padding: 9px 12px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: #fff;
  color: var(--text);
  transition: border-color .15s, box-shadow .15s;
  font-family: inherit;
}
.form-row input:focus, .form-row select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

/* ===== 按钮 ===== */
.btn {
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: var(--bg-soft); color: var(--text-soft); border: 1px solid var(--card-border); }
.btn-ghost:hover { background: #e2e8f0; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 15px; }
.action-bar { margin-top: 18px; display: flex; gap: 10px; align-items: center; }

/* ===== 表格 ===== */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  margin-top: 14px;
}
.data-table, .pair-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th, .pair-table th {
  background: var(--bg-soft);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-soft);
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  white-space: nowrap;
}
.data-table td, .pair-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--bg-soft);
  white-space: nowrap;
}
.data-table tbody tr:hover, .pair-table tbody tr:hover { background: var(--primary-soft); }
.data-table tbody tr:nth-child(even) { background: #fafbfc; }
.data-table tbody tr:nth-child(even):hover { background: var(--primary-soft); }

.pair-table .str-header td {
  background: linear-gradient(90deg, var(--primary-soft), #fff);
  font-weight: 700;
  color: var(--primary-dark);
  border-top: 2px solid var(--primary);
}
.pair-table .cell-row td { white-space: nowrap; }
.pair-table .warn-cell { color: var(--warn); font-weight: 600; }
.pair-table .danger-cell { color: var(--danger); font-weight: 700; background: var(--danger-soft); }

/* ===== 徽章/标签 ===== */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  background: var(--primary-soft);
  color: var(--primary-dark);
  margin-left: 6px;
}
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }

/* ===== 预览/结果 ===== */
.preview-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; flex-wrap: wrap; gap: 10px; }
.preview-head h3 { font-size: 15px; }
.preview-actions { display: flex; gap: 8px; }
.preview-note { font-size: 12px; color: var(--text-mute); margin-top: 8px; }
.data-preview-wrap { margin-top: 18px; }
.preview-table-wrap { max-height: 360px; overflow-y: auto; }

/* ===== 电芯数据三列网格 ===== */
.cell-grid-wrap {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  margin-top: 14px;
  overflow: hidden;
  background: #fff;
}
.cell-grid-head {
  display: grid;
  grid-template-columns: 0.7fr 1fr 1fr 1fr;
  gap: 6px;
  padding: 9px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-soft);
  background: var(--bg-soft);
  border-bottom: 1px solid var(--card-border);
}
.cell-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 10px;
  max-height: 460px;
  overflow-y: auto;
}
.cell-item {
  display: grid;
  grid-template-columns: 0.7fr 1fr 1fr 1fr;
  gap: 6px;
  padding: 7px 12px;
  font-size: 12px;
  background: #fafbfc;
  border: 1px solid var(--card-border);
  border-radius: 6px;
  align-items: center;
  transition: background 0.12s;
}
.cell-item:hover { background: var(--primary-soft); border-color: var(--primary); }
.cell-item .ci-idx {
  font-weight: 700;
  color: var(--primary);
}
.cell-item .ci-cap { color: var(--text); font-weight: 600; }
.cell-item .ci-res { color: var(--text-soft); }
.cell-item .ci-conv { color: var(--text-soft); }
@media (max-width: 720px) {
  .cell-grid { grid-template-columns: repeat(2, 1fr); }
  .cell-grid-head { display: none; }
}

/* ===== 模式切换 ===== */
.mode-tabs { display: flex; gap: 0; margin-bottom: 18px; border-bottom: 2px solid var(--bg-soft); }
.mode-tab {
  padding: 10px 18px;
  background: none;
  border: none;
  font-size: 14px;
  color: var(--text-mute);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-weight: 600;
  font-family: inherit;
  transition: all .15s;
}
.mode-tab:hover { color: var(--text-soft); }
.mode-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.mode-panel { display: none; }
.mode-panel.active { display: block; }

/* 配对模式选择条 */
.pairing-mode-bar {
  display: flex;
  align-items: stretch;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.pairing-mode-label {
  font-size: 13px;
  color: var(--text-mute);
  align-self: center;
  white-space: nowrap;
}
.mode-opt {
  cursor: pointer;
  flex: 1;
  min-width: 220px;
}
.mode-opt input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.mode-opt-card {
  display: block;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-soft);
  transition: all 0.15s;
}
.mode-opt:hover .mode-opt-card {
  border-color: var(--primary);
}
.mode-opt input:checked + .mode-opt-card {
  border-color: var(--primary);
  background: var(--primary-soft);
  box-shadow: 0 0 0 1px var(--primary) inset;
}
.mode-opt-title {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.mode-opt input:checked + .mode-opt-card .mode-opt-title {
  color: var(--primary-dark);
}
.mode-opt-desc {
  display: block;
  font-size: 12px;
  color: var(--text-mute);
  line-height: 1.4;
}

/* 缺口报告区 */
.gap-report {
  margin: 14px 0;
  padding: 16px 20px;
  background: #FFF4E5;
  border: 1px solid #F5C441;
  border-radius: var(--radius-md);
  border-left: 4px solid #E8941C;
}
.gap-report .gap-title {
  font-size: 15px;
  font-weight: 600;
  color: #8A5A00;
  margin-bottom: 10px;
}
.gap-report .gap-summary {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.gap-report .gap-stat {
  font-size: 13px;
}
.gap-report .gap-stat .num {
  font-size: 22px;
  font-weight: 700;
  color: #C2660A;
  margin-right: 4px;
}
.gap-report .gap-req {
  background: #fff;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: #5A3E00;
  line-height: 1.7;
}
.gap-report .gap-req .req-tag {
  display: inline-block;
  padding: 2px 8px;
  background: #FFE9C7;
  border-radius: 4px;
  font-weight: 600;
  color: #8A5A00;
  margin: 0 2px;
}

.hint-box {
  margin-top: 14px;
  padding: 12px 16px;
  background: var(--primary-soft);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--primary-dark);
  border-left: 3px solid var(--primary);
}
.hint-box.empty { display: none; }

/* 场景说明条 */
.scene-note {
  margin: 12px 0 4px;
  padding: 10px 14px;
  background: var(--primary-soft);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary);
  font-size: 13px;
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.scene-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  background: var(--primary);
  color: #fff;
  white-space: nowrap;
}
.scene-badge.scene-custom { background: var(--text-mute); }
.scene-badge.scene-power { background: #ef4444; }
.scene-badge.scene-storage { background: var(--primary); }
.scene-badge.scene-etool { background: #f59e0b; }
.scene-badge.scene-backup { background: #10b981; }
.scene-text { color: var(--primary-dark); }

/* 已剔除电芯提示条 */
.excluded-banner {
  margin-bottom: 14px;
  padding: 10px 14px;
  background: var(--warn-soft, #fff7ed);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--warn, #f59e0b);
  font-size: 13px;
  color: var(--warn, #b45309);
}
.excluded-banner strong { color: var(--danger, #dc2626); }

/* 剔除按钮容器 */
.rejected-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.excluded-summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}
.excluded-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  background: var(--danger-soft, #fef2f2);
  color: var(--danger, #dc2626);
  border: 1px solid var(--danger, #dc2626);
}
.excluded-hint { color: var(--text-mute); }

.result-box {
  margin-top: 18px;
  padding: 18px;
  background: linear-gradient(135deg, var(--primary-soft), #fff);
  border-radius: var(--radius);
  border: 1px solid #b8e6e0;
}
.result-box .rb-title { font-size: 14px; font-weight: 700; color: var(--primary-dark); margin-bottom: 10px; }
.result-box .rb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}
.result-box .rb-item { background: #fff; padding: 12px; border-radius: var(--radius-sm); border: 1px solid var(--card-border); }
.result-box .rb-item .lbl { font-size: 11px; color: var(--text-mute); margin-bottom: 3px; }
.result-box .rb-item .val { font-size: 18px; font-weight: 700; color: var(--text); }
.result-box .rb-item .val .unit { font-size: 12px; font-weight: 500; color: var(--text-soft); margin-left: 2px; }

/* ===== 报告区 ===== */
.report-area { margin-top: 18px; }
.report-section { margin-bottom: 18px; }
.report-section h4 {
  font-size: 14px;
  color: var(--primary-dark);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--bg-soft);
  display: flex; align-items: center; gap: 6px;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}
.stat-card {
  background: var(--bg-soft);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
}
.stat-card .lbl { font-size: 11px; color: var(--text-mute); margin-bottom: 4px; }
.stat-card .val { font-size: 17px; font-weight: 700; color: var(--text); }
.stat-card .val .unit { font-size: 11px; font-weight: 500; color: var(--text-soft); margin-left: 3px; }
.stat-card.highlight { background: var(--primary-soft); border-color: #b8e6e0; }
.stat-card.highlight .val { color: var(--primary-dark); }
.stat-card.danger { background: var(--danger-soft); border-color: #fecaca; }
.stat-card.danger .val { color: var(--danger); }

/* 质量等级 */
.quality-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 700;
}
.quality-excellent { background: var(--ok-soft); color: var(--ok); border: 1px solid #86efac; }
.quality-good { background: var(--primary-soft); color: var(--primary-dark); border: 1px solid #5eead4; }
.quality-fair { background: var(--warn-soft); color: var(--warn); border: 1px solid #fcd34d; }
.quality-poor { background: var(--danger-soft); color: var(--danger); border: 1px solid #fca5a5; }

/* 偏差表 */
.dev-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-top: 10px;
}
.dev-table th, .dev-table td {
  padding: 8px 12px;
  border: 1px solid var(--card-border);
  text-align: center;
}
.dev-table th { background: var(--bg-soft); color: var(--text-soft); font-weight: 600; }
.dev-table td.warn { color: var(--warn); font-weight: 600; }
.dev-table td.danger { color: var(--danger); font-weight: 700; background: var(--danger-soft); }
.dev-table td.ok { color: var(--ok); font-weight: 600; }

/* 进度条 */
.bar-chart-row { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.bar-chart-row .lbl { width: 70px; font-size: 12px; color: var(--text-soft); text-align: right; }
.bar-chart-row .bar-bg { flex: 1; height: 18px; background: var(--bg-soft); border-radius: 9px; overflow: hidden; position: relative; }
.bar-chart-row .bar-fill { height: 100%; border-radius: 9px; background: var(--primary); transition: width .4s; }
.bar-chart-row .val { width: 90px; font-size: 12px; color: var(--text); font-weight: 600; }

/* ===== 结果头 ===== */
.result-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; flex-wrap: wrap; gap: 10px; }
.result-head h3 { font-size: 15px; }

/* ===== 错误框 ===== */
.error-box {
  margin-top: 16px;
  padding: 14px 18px;
  background: var(--danger-soft);
  border: 1px solid #fecaca;
  border-left: 4px solid var(--danger);
  border-radius: var(--radius-sm);
  color: var(--danger);
  font-size: 13px;
}
.error-box .err-title { font-weight: 700; margin-bottom: 6px; }
.error-box ul { margin-left: 18px; margin-top: 4px; }
.error-box li { margin-bottom: 3px; }

/* ===== 知识区 ===== */
.know-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}
.know-card {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 18px;
  border: 1px solid var(--card-border);
}
.know-card h4 {
  font-size: 14px;
  color: var(--primary-dark);
  margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}
.know-card table { width: 100%; border-collapse: collapse; font-size: 12px; }
.know-card th, .know-card td { padding: 6px 8px; border-bottom: 1px solid var(--card-border); text-align: left; }
.know-card th { color: var(--text-soft); font-weight: 600; }
.know-card p { font-size: 12px; color: var(--text-soft); margin-bottom: 6px; }
.know-card .tip { background: var(--warn-soft); padding: 8px 10px; border-radius: 6px; font-size: 12px; color: var(--warn); border-left: 3px solid var(--warn); margin-top: 8px; }

/* ===== 提示Toast ===== */
.toast {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 9999;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transform: translateX(420px);
  transition: transform .3s;
  max-width: 360px;
}
.toast.show { transform: translateX(0); }
.toast.success { background: var(--ok); color: #fff; }
.toast.error { background: var(--danger); color: #fff; }
.toast.warn { background: var(--warn); color: #fff; }

/* ===== 页脚 ===== */
.footer {
  text-align: center;
  padding: 24px;
  color: var(--text-mute);
  font-size: 12px;
}

/* ===== 工具类 ===== */
.hidden { display: none !important; }
.link { color: var(--primary); cursor: pointer; }

/* 响应式 */
@media (max-width: 768px) {
  .topbar-steps { display: none; }
  .container { padding: 14px; }
  .card-body { padding: 16px; }
  .form-grid { grid-template-columns: 1fr; }
  .result-box .rb-grid { grid-template-columns: repeat(2, 1fr); }
}