/* ============================================================
   EVE 战斗日志分析 —— Binance 风格主题
   设计依据: DESIGN-binance.md
   深近黑画布 (canvas-dark) + Binance 黄 (primary) + 交易绿/红语义
   纯手写 CSS，无 Tailwind。
   ============================================================ */

:root {
  color-scheme: dark;

  /* 颜色 */
  --primary: #fcd535;
  --primary-active: #f0b90b;
  --primary-disabled: #3a3a1f;
  --ink: #181a20;
  --body: #eaecef;
  --muted: #707a8a;
  --muted-strong: #929aa5;
  --hairline-on-light: #eaecef;
  --hairline-on-dark: #2b3139;
  --border-strong: #cdd1d6;
  --canvas-light: #ffffff;
  --canvas-dark: #0b0e11;
  --surface-card-dark: #1e2329;
  --surface-elevated-dark: #2b3139;
  --surface-soft-light: #fafafa;
  --surface-strong-light: #f5f5f5;
  --on-primary: #181a20;
  --on-dark: #ffffff;
  --trading-up: #0ecb81;
  --trading-down: #f6465d;
  --accent-turquoise: #2dbdb6;
  --info: #3b82f6;
  --info-ring: #3b82f6;

  /* 字体 */
  --font-nova: "BinanceNova", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-plex: "BinancePlex", "JetBrains Mono", "IBM Plex Sans", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* 圆角 */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-pill: 9999px;

  /* 间距 (4px 基准) */
  --sp-xxs: 4px;
  --sp-xs: 8px;
  --sp-sm: 12px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 32px;
  --sp-xxl: 48px;
  --sp-section: 80px;
}

* { box-sizing: border-box; }

html { background: var(--canvas-dark); }

body {
  margin: 0;
  background: var(--canvas-dark);
  color: var(--body);
  font-family: var(--font-nova);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button, input, select, textarea { font: inherit; }
button { appearance: none; background: none; border: 0; }

::selection { background: var(--primary); color: var(--on-primary); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== 顶部导航 (64px, canvas-dark) ===== */
.global-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 64px;
  background: var(--canvas-dark);
  border-bottom: 1px solid var(--hairline-on-dark);
}
.nav-content {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  max-width: 1280px;
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--sp-lg);
}
.nav-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: var(--on-primary);
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
}
.nav-title { color: var(--on-dark); font-size: 14px; font-weight: 600; }
.nav-quiet { color: var(--muted); font-size: 13px; font-weight: 500; }
.nav-spacer { flex: 1; }

/* ===== 布局 ===== */
.app-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--sp-lg) var(--sp-section);
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
}

/* ===== Hero (hero-band-dark) ===== */
.hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-xl);
  padding: var(--sp-section) 0 var(--sp-lg);
}
.hero-copy { flex: 1; min-width: 0; }
.eyebrow {
  margin: 0 0 var(--sp-sm);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
}
.hero-title {
  margin: 0;
  color: var(--on-dark);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.5px;
}

/* ===== 卡片 ===== */
.card {
  background: var(--surface-card-dark);
  border-radius: var(--radius-xl);
  padding: var(--sp-lg);
  color: var(--on-dark);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-xs);
  min-height: 40px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-nova);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:disabled { cursor: not-allowed; }
.btn--primary { background: var(--primary); color: var(--on-primary); }
.btn--primary:hover { background: var(--primary-active); }
.btn--primary:active { background: var(--primary-active); }
.btn--primary:disabled { background: var(--primary-disabled); color: var(--muted); }
.btn--secondary {
  background: var(--surface-card-dark);
  color: var(--on-dark);
  border-color: var(--hairline-on-dark);
}
.btn--secondary:hover { background: var(--surface-elevated-dark); }
.btn--secondary:active { background: var(--surface-elevated-dark); }
.btn--secondary:disabled { opacity: 0.45; }

.btn:focus-visible,
.select:focus-visible,
.input:focus-visible,
.range:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.5);
}

/* ===== 标题 / 描述 ===== */
.section-title {
  margin: 0;
  color: var(--on-dark);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.3;
}
.section-desc { margin: var(--sp-xs) 0 0; color: var(--muted); font-size: 14px; }
.panel-title { margin: 0; color: var(--on-dark); font-size: 20px; font-weight: 600; line-height: 1.35; }
.panel-desc { margin: var(--sp-xs) 0 0; color: var(--muted); font-size: 14px; }

/* ===== 表单 ===== */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}
.field--inline { flex-direction: row; align-items: center; gap: var(--sp-sm); }
.select,
.input {
  height: 40px;
  padding: 0 var(--sp-md);
  border: 1px solid var(--hairline-on-dark);
  border-radius: var(--radius-lg);
  background: var(--surface-card-dark);
  color: var(--on-dark);
  font-size: 14px;
}
.select:focus, .input:focus { border-color: var(--info); }
.select--compact { width: 120px; }
.select--wide { min-width: 240px; }
.range { width: 100%; accent-color: var(--primary); }

/* ===== 上传 ===== */
.upload-panel { text-align: center; }
.upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-lg);
  padding: var(--sp-xxl) var(--sp-lg);
  border: 1px dashed var(--hairline-on-dark);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.upload-zone:hover { border-color: var(--muted-strong); background: var(--surface-elevated-dark); }
.upload-title { color: var(--on-dark); font-size: 20px; font-weight: 600; }
.status { margin: var(--sp-md) 0 0; font-size: 14px; }
.status--ok { color: var(--trading-up); }
.status--err { color: var(--trading-down); }

/* ===== 工具栏 ===== */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-md);
  margin-bottom: var(--sp-lg);
}

/* ===== 时间序列 ===== */
.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-xs);
  margin-bottom: var(--sp-sm);
  font-size: 14px;
}
.timeline-range { color: var(--body); font-family: var(--font-plex); font-variant-numeric: tabular-nums; }
.timeline-count { color: var(--muted); }
.timeline-wrap {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--surface-elevated-dark);
}
.timeline-svg { display: block; width: 100%; height: 280px; cursor: crosshair; }
.timeline-svg--static { cursor: default; pointer-events: none; }
.grid-lines line { stroke: rgba(255, 255, 255, 0.08); }
.brush-fill { fill: rgba(252, 213, 53, 0.16); }
.brush-handle { fill: var(--primary); }
.range-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-md);
  margin-top: var(--sp-lg);
}

/* ===== 图例 ===== */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-xs) var(--sp-lg);
  margin-top: var(--sp-md);
  font-size: 12px;
  color: var(--muted-strong);
}
.legend-item { display: inline-flex; align-items: center; gap: var(--sp-xs); }
.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  flex: none;
}

/* ===== 指标卡 ===== */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--sp-md);
}
.metric-card {
  display: flex;
  flex-direction: column;
  min-height: 132px;
  padding: var(--sp-lg);
  border-radius: var(--radius-lg);
  background: var(--surface-card-dark);
}
.metric-label { color: var(--muted); font-size: 14px; font-weight: 600; }
.metric-value {
  margin-top: var(--sp-sm);
  color: var(--on-dark);
  font-family: var(--font-plex);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.3px;
  font-variant-numeric: tabular-nums;
}
/* 语义配色: 输出=绿(up) 承受=红(down) 遥修=青 电容=蓝 毁电=黄 */
.metric-card--damage_out .metric-value { color: var(--trading-up); }
.metric-card--damage_in .metric-value { color: var(--trading-down); }
.metric-card--logistics_out .metric-value,
.metric-card--logistics_in .metric-value { color: var(--accent-turquoise); }
.metric-card--cap_transfer_out .metric-value,
.metric-card--cap_transfer_in .metric-value { color: var(--info); }
.metric-card--cap_damage_out .metric-value,
.metric-card--cap_damage_in .metric-value { color: var(--primary); }
.shared-report .metric-grid { margin-top: var(--sp-lg); }
.shared-report .metric-card { background: var(--surface-elevated-dark); }

/* ===== 命中质量 ===== */
.quality-heading { max-width: 560px; margin: 0 auto var(--sp-xl); text-align: center; }
.quality-heading .section-title { font-size: 32px; line-height: 1.2; }
.quality-heading .section-desc { margin-top: var(--sp-sm); }
.quality-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-md);
}
.quality-panel {
  padding: var(--sp-xl);
  border-radius: var(--radius-lg);
  background: var(--surface-elevated-dark);
}
.quality-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-lg);
  margin-top: var(--sp-lg);
}
.pie {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 168px;
  height: 168px;
  border-radius: var(--radius-pill);
  flex: none;
}
.pie-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 66%;
  height: 66%;
  border-radius: var(--radius-pill);
  background: var(--surface-elevated-dark);
  color: var(--on-dark);
  font-family: var(--font-plex);
  font-size: 28px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.pie-label small { margin-top: 2px; color: var(--muted); font-size: 12px; font-weight: 500; }
.legend-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
}
.legend-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-sm);
}
.legend-name { display: inline-flex; align-items: center; gap: var(--sp-xs); color: var(--body); }
.legend-value { color: var(--muted-strong); font-family: var(--font-plex); font-variant-numeric: tabular-nums; }
.empty-state {
  margin: var(--sp-lg) 0 0;
  padding: var(--sp-lg);
  border: 1px solid var(--hairline-on-dark);
  border-radius: var(--radius-md);
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
  color: var(--body);
}
.data-table th {
  padding: var(--sp-sm) var(--sp-md);
  border-bottom: 1px solid var(--hairline-on-dark);
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}
.data-table td {
  padding: var(--sp-sm) var(--sp-md);
  border-bottom: 1px solid var(--hairline-on-dark);
  white-space: nowrap;
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table .is-right { text-align: right; }
.data-table .num { font-family: var(--font-plex); font-variant-numeric: tabular-nums; }
.is-empty { color: var(--muted); }
.is-empty-row { text-align: center; padding: var(--sp-xl) var(--sp-md); }
.hit-summary { display: flex; flex-wrap: wrap; gap: var(--sp-xxs); min-width: 220px; }
.hit-summary span {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}
.hit-summary-hit { background: rgba(59, 130, 246, 0.16); color: var(--info); }
.hit-summary-critical { background: rgba(252, 213, 53, 0.16); color: var(--primary); }
.hit-summary-glancing { background: rgba(112, 122, 138, 0.16); color: var(--muted-strong); }

/* ===== 分享面板 ===== */
.share-actions { display: flex; flex-wrap: wrap; gap: var(--sp-sm); }
.report-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-sm);
}
.report-title { margin: 0; color: var(--on-dark); font-size: 14px; font-weight: 600; }
.report-meta { margin: var(--sp-xxs) 0 0; color: var(--muted); font-size: 12px; }
.report-block {
  margin-top: var(--sp-lg);
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--hairline-on-dark);
}
.report-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-md);
  margin-top: var(--sp-lg);
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .quality-body { flex-direction: row; align-items: center; }
  .quality-body .legend-list { flex: 1; width: auto; min-width: 0; }
}

@media (max-width: 1024px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
  .nav-quiet { display: none; }
  .nav-content { padding: 0 var(--sp-md); }
  .app-main { padding: 0 var(--sp-md) var(--sp-xxl); }
  .hero {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--sp-xl) 0 var(--sp-md);
  }
  .hero-title { font-size: 34px; }
  .quality-layout, .report-grid { grid-template-columns: 1fr; }
  .quality-panel { padding: var(--sp-lg); }
  .card { padding: var(--sp-lg); }
}

@media (max-width: 480px) {
  .hero-title { font-size: 30px; }
  .hero .btn { width: 100%; }
  .metric-grid { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar .select { width: 100%; min-width: 0; }
  .range-row { grid-template-columns: 1fr; }
  .timeline-svg { height: 220px; }
  .quality-panel { padding: var(--sp-md); }
}