/* ===== 签派备注工具 · 浅色 · 东航蓝主色 ===== */
:root {
  /* 背景 - 浅色 */
  --bg: #f4f6f9;
  --bg-deep: #eef1f6;
  --bg-card: #ffffff;
  --bg-hover: #f7f9fc;
  /* 主色 - 东航蓝 */
  --primary: #1f5cb6;
  --primary-deep: #174a94;
  --primary-weak: rgba(31, 92, 182, 0.08);
  --primary-dim: rgba(31, 92, 182, 0.35);
  /* 文字 */
  --fg: #1f2937;
  --fg-muted: #6b7280;
  --fg-dim: #9ca3af;
  /* 边框 */
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  /* 语义 */
  --ok: #16a34a;
  --danger: #dc2626;
  --info: #0ea5e9;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 32px;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.5px;
  white-space: nowrap;
  color: var(--primary);
}
.brand .logo-dot {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
}
.brand .sub {
  color: var(--fg-muted);
  font-weight: 400;
  font-size: 12px;
  margin-left: 2px;
}

nav { display: flex; gap: 6px; flex: 1; max-width: 480px; }
.tab {
  flex: 1;                 /* 三个 tab 等宽 */
  padding: 8px 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--fg-muted);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;        /* 全部加粗 */
  font-family: inherit;
  white-space: nowrap;
  text-align: center;
  transition: all 0.15s;
}
.tab:hover { color: var(--primary); border-color: var(--primary-dim); }
.tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.panel { display: none; padding: 28px; max-width: 1400px; margin: 0 auto; }
.panel.active { display: block; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 18px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}
.card h2 { margin: 0 0 14px; font-size: 18px; font-weight: 700; color: var(--fg); }
.card h3 {
  margin: 0 0 12px; font-size: 15px; font-weight: 600;
  color: var(--primary);
  display: flex; align-items: center; gap: 8px;
}
.card h3::before {
  content: "";
  width: 3px; height: 14px;
  background: var(--primary);
  border-radius: 2px;
  display: inline-block;
}

.btn {
  padding: 8px 16px;
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  color: var(--fg);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-family: inherit;
  transition: all 0.15s;
}
.btn:hover:not(:disabled) { background: var(--bg-hover); border-color: var(--primary-dim); color: var(--primary); }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); font-weight: 600; }
.btn.primary:hover:not(:disabled) { background: var(--primary-deep); color: #fff; }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn.ghost { background: transparent; }
.btn.ghost:hover:not(:disabled) { background: var(--primary-weak); }

.hidden { display: none; }
.hint { color: var(--fg-muted); font-size: 12px; }

table { width: 100%; border-collapse: collapse; }
th, td { border: 1px solid var(--border); padding: 8px 10px; text-align: center; font-size: 13px; }
th { background: var(--bg-deep); color: var(--primary); font-weight: 600; }
td { color: var(--fg); }
tbody tr:hover { background: var(--bg-hover); }
#f1-table td { font-variant-numeric: tabular-nums; }

/* F2 布局 */
.f2-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.f2-blocks { display: flex; flex-direction: column; }
.block { padding: 18px; }

.fir-row, .drift-row { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.fir-row code {
  background: var(--primary-weak); padding: 6px 10px; border-radius: 6px;
  font-size: 12px; color: var(--primary); letter-spacing: 1px;
  font-family: "SF Mono", Menlo, monospace;
}

.elems { display: flex; flex-direction: column; gap: 8px; }
.elem-row { display: flex; align-items: center; gap: 8px; }
.elem-row label { cursor: pointer; user-select: none; color: var(--fg); }
.sub-elems { margin-left: 24px; display: flex; gap: 14px; flex-wrap: wrap; }

/* 选项块:checkbox 独占一行,变量区下方网格铺开(解决窄栏挤压) */
.opt-block { margin-bottom: 14px; }
.opt-title {
  display: flex; align-items: center; gap: 8px;
  font-weight: 500; cursor: pointer; user-select: none;
  white-space: nowrap; margin-bottom: 8px;
}
.var-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px 24px;
  margin-left: 26px;
  align-items: start;
}
.var-grid .sw-vars, .var-grid .ha-vars {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px 24px;
}

/* 临时航路:三项均分整行(强制横排,不换行) */
.route-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-left: 26px;
}
.route-item {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  min-width: 0;           /* 允许收缩,不被内容撑爆 */
  overflow: hidden;
}
.route-item .vlabel {
  color: var(--fg-muted);
  flex: 0 0 40px;
  text-align: right;
}
.route-item select {
  background: var(--bg-deep); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 10px; font-size: 13px;
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
  max-width: 100%;
}
.var-grid label {
  display: flex; align-items: center; gap: 8px;
  white-space: nowrap; color: var(--fg);
  min-width: 0;
}
.var-grid .vlabel {
  color: var(--fg-muted); flex-shrink: 0;
  width: 88px;             /* 固定宽,所有 label 同宽 */
  text-align: right;       /* 文字右对齐 */
  overflow: hidden;        /* 防超宽溢出 */
}
.var-grid input, .var-grid select {
  box-sizing: border-box;
}
.var-grid .var-input, .var-grid select {
  background: var(--bg-deep); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 10px; font-size: 13px;
  width: 145px;
  flex: 0 0 145px;          /* 强制定宽,不可伸缩,完全对齐 */
  margin: 0;                /* 去掉任何默认 margin */
  vertical-align: middle;
}
/* 统一所有控件宽度,保证两列对齐(.wide 不再放大) */
.var-grid .var-input.wide { width: 145px; flex-basis: 145px; }

input[type="checkbox"] {
  accent-color: var(--primary);
  width: 15px; height: 15px;
  cursor: pointer;
}
input[type="checkbox"] + span { color: var(--fg); }

.negotiate-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }

.group-header {
  font-weight: 600; margin: 10px 0 6px; cursor: pointer;
  color: var(--fg); user-select: none;
  display: flex; align-items: center; gap: 6px;
}
.group-header:hover { color: var(--primary); }
.group-items { margin-left: 8px; display: flex; flex-direction: column; gap: 6px; }
.collapsed .group-items { display: none; }

.var-input, input[type="text"], input[type="number"] {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 13px;
  font-family: inherit;
}
.var-input { width: 90px; margin-left: 4px; }
.var-input.wide { width: 150px; }
.var-input:focus, input:focus { outline: none; border-color: var(--primary-dim); background: var(--bg-card); }
select {
  background: var(--bg-deep); border: 1px solid var(--border);
  color: var(--fg); border-radius: 6px; padding: 5px 8px; font-size: 13px;
  font-family: inherit;
}
select:focus { outline: none; border-color: var(--primary-dim); }
select option { background: var(--bg-card); }

label { display: inline-flex; align-items: center; gap: 5px; }

/* 预览 */
.f2-preview { position: sticky; top: 70px; }
.f2-preview .btn { margin-bottom: 12px; }
#remark-output { display: flex; flex-direction: column; gap: 10px; }
.remark-line {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 14px;
  background: var(--bg-deep);
  position: relative;
  white-space: pre-wrap;
  font-size: 13px;
  line-height: 1.6;
  word-break: break-all;
  color: var(--fg);
}
.remark-line .copy-btn {
  position: absolute; top: 8px; right: 8px;
  padding: 3px 10px; font-size: 11px;
}
.remark-line.en { background: rgba(14, 165, 233, 0.05); border-color: rgba(14, 165, 233, 0.3); }

/* F3 */
.f3-search { margin-bottom: 20px; }
.f3-search input {
  width: 100%; padding: 12px 16px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; color: var(--fg);
  font-family: inherit;
}
.f3-search input:focus { outline: none; border-color: var(--primary-dim); }
.f3-group { margin-bottom: 20px; }
.f3-group h3 {
  margin: 0 0 10px; font-size: 15px; font-weight: 600; color: var(--primary);
  display: flex; align-items: center; gap: 8px;
}
.f3-group h3::before { content: ""; width: 3px; height: 13px; background: var(--primary); border-radius: 2px; display: inline-block; }
.f3-items { display: grid; grid-template-columns: 1fr; gap: 8px; }
.f3-item {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 14px; cursor: pointer; background: var(--bg-card);
  transition: all 0.12s;
}
.f3-item:hover { background: var(--bg-hover); border-color: var(--primary-dim); }
.f3-item .scene { font-weight: 500; color: var(--fg); }
.f3-item .en { color: var(--fg-muted); font-size: 12px; margin-top: 3px; white-space: pre-wrap; }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: #fff;
  padding: 10px 20px; border-radius: 6px;
  font-size: 13px; font-weight: 600;
  opacity: 0; transition: opacity 0.2s; pointer-events: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  z-index: 100;
}
.toast.show { opacity: 1; }

/* F1 上传区 */
.upload-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.upload-row input[type="file"] { color: var(--fg-muted); font-size: 13px; }
.upload-row input[type="file"]::file-selector-button {
  background: var(--bg-deep); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 14px; margin-right: 10px; cursor: pointer; font-family: inherit;
}
.upload-row input[type="file"]::file-selector-button:hover { border-color: var(--primary-dim); }

/* 卸载登记表整句 */
.unload-sentence .var-input {
  background: transparent;
  border-bottom: 1px solid var(--primary-dim);
  border-top: none; border-left: none; border-right: none;
  border-radius: 0;
  padding: 2px 6px;
  font-size: 13px;
}
.unload-sentence .var-input::placeholder { color: var(--fg-dim); }

/* 响应式 */
@media (max-width: 900px) {
  .f2-grid { grid-template-columns: 1fr; }
  .f2-preview { position: static; }
  .panel { padding: 16px; }
}