/* ==========================================================================
   圆环统计仪表盘组件 (Ring Stat Dashboard) - zuoekai-ring-stat
   现代扁平卡片风格，与 zuoekai-card 视觉体系一致。
   适用场景：任务完成率、KPI、资源利用率等统计场景。
   ========================================================================== */

/* --- CSS 变量 (Design Tokens) --- */
.zuoekai-ring-stat {
  --ring-stat-track:         rgba(15, 23, 42, 0.08);
  --ring-stat-item-label:    var(--zuoekai-color-text-muted, rgba(15, 23, 42, 0.55));
  --ring-stat-item-value:    var(--zuoekai-color-text, #0f172a);
  --ring-stat-item-unit:     var(--zuoekai-color-text-muted, rgba(15, 23, 42, 0.55));
  --ring-stat-size:          380px;
  --ring-stat-center-size:   160px;
  /* 中心圆默认色（品牌色渐变） */
  --ring-stat-center-bg:     linear-gradient(145deg, #818cf8 0%, #4f46e5 55%, #3730a3 100%);
  --ring-stat-center-shadow: 0 6px 24px rgba(79, 70, 229, 0.38);
  /* 外周指标图标 */
  --ring-stat-icon-bg:       rgba(99, 102, 241, 0.09);
  --ring-stat-icon-border:   rgba(99, 102, 241, 0.20);
  --ring-stat-icon-color:    #4f46e5;
  /* 悬浮光晕（跟随颜色变体覆盖） */
  --ring-stat-hover-shadow:  0 10px 28px rgba(79, 70, 229, 0.26);
}

/* --- 根容器（白底卡片） --- */
.zuoekai-ring-stat {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  background: var(--zuoekai-color-surface-panel, #ffffff);
  border: 1px solid var(--zuoekai-color-border, rgba(15, 23, 42, 0.12));
  border-radius: var(--zuoekai-radius-xl, 20px);
  box-shadow: var(--zuoekai-shadow-sm, 0 1px 2px rgba(15, 23, 42, 0.08));
  padding: 20px 20px 24px;
  transition:
    box-shadow var(--zuoekai-motion-duration-normal, 180ms) var(--zuoekai-motion-ease-out, cubic-bezier(0.22, 1, 0.36, 1)),
    transform var(--zuoekai-motion-duration-normal, 180ms) var(--zuoekai-motion-ease-out, cubic-bezier(0.22, 1, 0.36, 1)),
    border-color var(--zuoekai-motion-duration-normal, 180ms) var(--zuoekai-motion-ease-out, cubic-bezier(0.22, 1, 0.36, 1));
}

/* 悬浮状态：微上浮 + 品牌色光晕阴影 */
.zuoekai-ring-stat:hover {
  box-shadow: var(--ring-stat-hover-shadow);
  border-color: var(--zuoekai-color-border-strong, rgba(15, 23, 42, 0.18));
  transform: translateY(-2px);
}

/* 全宽分支 */
.zuoekai-ring-stat--full {
  display: flex;
  width: 100%;
  align-items: center;
}

/* --- 顶部摘要统计区 --- */
.zuoekai-ring-stat__summary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px 14px;
  width: 100%;
  padding: 0 2px 16px;
  border-bottom: 1px solid var(--zuoekai-color-border, rgba(15, 23, 42, 0.12));
  margin-bottom: 16px;
}

.zuoekai-ring-stat__summary:empty {
  display: none;
}

.zuoekai-ring-stat__summary-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.zuoekai-ring-stat__summary-label {
  font-size: 11px;
  color: var(--ring-stat-item-label);
  line-height: 1.3;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.zuoekai-ring-stat__summary-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--ring-stat-item-value);
  line-height: 1.2;
  font-feature-settings: "tnum";
}

.zuoekai-ring-stat__summary-unit {
  font-size: 11px;
  font-weight: 400;
  color: var(--ring-stat-item-unit);
  margin-left: 2px;
}

/* --- 主环体 --- */
.zuoekai-ring-stat__body {
  position: relative;
  width: var(--ring-stat-size);
  height: var(--ring-stat-size);
  flex-shrink: 0;
  overflow: visible;
}

/* SVG 充满整个 body */
.zuoekai-ring-stat__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* --- 轨道环 --- */
.zuoekai-ring-stat__track {
  fill: none;
  stroke: var(--ring-stat-track);
  stroke-linecap: round;
}

/* --- 进度弧 --- */
.zuoekai-ring-stat__arc {
  fill: none;
  stroke-linecap: round;
}

/* --- 中心内容叠层 --- */
.zuoekai-ring-stat__center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: var(--ring-stat-center-size);
  height: var(--ring-stat-center-size);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  text-align: center;
  background: var(--ring-stat-center-bg);
  box-shadow: var(--ring-stat-center-shadow);
  color: #ffffff;
  pointer-events: none;
}

.zuoekai-ring-stat__center-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.88;
  margin-bottom: 2px;
}

.zuoekai-ring-stat__center-icon svg {
  width: 100%;
  height: 100%;
}

.zuoekai-ring-stat__center-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.90);
  line-height: 1.2;
}

.zuoekai-ring-stat__center-subtitle {
  font-size: 9px;
  color: rgba(255, 255, 255, 0.52);
  letter-spacing: 0.06em;
  line-height: 1;
  text-transform: uppercase;
}

.zuoekai-ring-stat__center-value {
  font-size: 26px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-top: 4px;
  font-feature-settings: "tnum";
}

.zuoekai-ring-stat__center-unit {
  font-size: 14px;
  font-weight: 600;
  opacity: 0.82;
  margin-left: 1px;
}

/* --- 外周指标项 --- */
.zuoekai-ring-stat__item {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.zuoekai-ring-stat__item-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--ring-stat-icon-bg);
  border: 1px solid var(--ring-stat-icon-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2px;
}

.zuoekai-ring-stat__item-icon svg {
  width: 15px;
  height: 15px;
  color: var(--ring-stat-icon-color);
}

.zuoekai-ring-stat__item-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--ring-stat-item-value);
  line-height: 1;
  font-feature-settings: "tnum";
  white-space: nowrap;
}

.zuoekai-ring-stat__item-unit {
  font-size: 10px;
  color: var(--ring-stat-item-unit);
  font-weight: 400;
  margin-left: 1px;
}

.zuoekai-ring-stat__item-label {
  font-size: 11px;
  color: var(--ring-stat-item-label);
  line-height: 1.2;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

/* --- 颜色变体 (Colors) --- */
/* 默认：品牌色 indigo/purple，由 JS 注入 SVG 渐变 */

.zuoekai-ring-stat--blue {
  --ring-stat-center-bg:     linear-gradient(145deg, #60a5fa 0%, #2563eb 55%, #1d4ed8 100%);
  --ring-stat-center-shadow: 0 6px 24px rgba(37, 99, 235, 0.38);
  --ring-stat-icon-bg:       rgba(37, 99, 235, 0.08);
  --ring-stat-icon-border:   rgba(37, 99, 235, 0.20);
  --ring-stat-icon-color:    #2563eb;
  --ring-stat-hover-shadow:  0 10px 28px rgba(37, 99, 235, 0.26);
}

.zuoekai-ring-stat--green {
  --ring-stat-center-bg:     linear-gradient(145deg, #34d399 0%, #059669 55%, #047857 100%);
  --ring-stat-center-shadow: 0 6px 24px rgba(5, 150, 105, 0.38);
  --ring-stat-icon-bg:       rgba(5, 150, 105, 0.08);
  --ring-stat-icon-border:   rgba(5, 150, 105, 0.20);
  --ring-stat-icon-color:    #059669;
  --ring-stat-hover-shadow:  0 10px 28px rgba(5, 150, 105, 0.26);
}

.zuoekai-ring-stat--orange {
  --ring-stat-center-bg:     linear-gradient(145deg, #fbbf24 0%, #d97706 55%, #b45309 100%);
  --ring-stat-center-shadow: 0 6px 24px rgba(217, 119, 6, 0.38);
  --ring-stat-icon-bg:       rgba(217, 119, 6, 0.08);
  --ring-stat-icon-border:   rgba(217, 119, 6, 0.20);
  --ring-stat-icon-color:    #d97706;
  --ring-stat-hover-shadow:  0 10px 28px rgba(217, 119, 6, 0.26);
}

/* --- 小屏适配 --- */
@media (max-width: 480px) {
  .zuoekai-ring-stat {
    --ring-stat-size: 290px;
    --ring-stat-center-size: 124px;
  }

  .zuoekai-ring-stat__summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .zuoekai-ring-stat__center-value {
    font-size: 20px;
  }

  .zuoekai-ring-stat__item-value {
    font-size: 14px;
  }

  .zuoekai-ring-stat__item-icon {
    width: 26px;
    height: 26px;
  }

  .zuoekai-ring-stat__summary-value {
    font-size: 13px;
  }
}

/* ==========================================================================
   全新重构分支 (Variants: A, B, C, D)
   ========================================================================== */

/* --- 共同的基础极简覆盖 --- */
.zuoekai-ring-stat--a .zuoekai-ring-stat__center,
.zuoekai-ring-stat--b .zuoekai-ring-stat__center,
.zuoekai-ring-stat--c .zuoekai-ring-stat__center,
.zuoekai-ring-stat--d .zuoekai-ring-stat__center {
  background: transparent;
  box-shadow: none;
  color: var(--zuoekai-color-text);
}

.zuoekai-ring-stat--a .zuoekai-ring-stat__center-title,
.zuoekai-ring-stat--b .zuoekai-ring-stat__center-title,
.zuoekai-ring-stat--c .zuoekai-ring-stat__center-title,
.zuoekai-ring-stat--d .zuoekai-ring-stat__center-title {
  color: var(--zuoekai-color-text-secondary);
}

.zuoekai-ring-stat--a .zuoekai-ring-stat__center-subtitle,
.zuoekai-ring-stat--b .zuoekai-ring-stat__center-subtitle,
.zuoekai-ring-stat--c .zuoekai-ring-stat__center-subtitle,
.zuoekai-ring-stat--d .zuoekai-ring-stat__center-subtitle {
  color: var(--zuoekai-color-text-muted);
}

.zuoekai-ring-stat--a .zuoekai-ring-stat__center-value,
.zuoekai-ring-stat--b .zuoekai-ring-stat__center-value,
.zuoekai-ring-stat--c .zuoekai-ring-stat__center-value,
.zuoekai-ring-stat--d .zuoekai-ring-stat__center-value {
  color: var(--zuoekai-color-text);
}

.zuoekai-ring-stat--a .zuoekai-ring-stat__center-icon,
.zuoekai-ring-stat--b .zuoekai-ring-stat__center-icon,
.zuoekai-ring-stat--c .zuoekai-ring-stat__center-icon,
.zuoekai-ring-stat--d .zuoekai-ring-stat__center-icon {
  color: var(--ring-stat-icon-color);
}

/* 底部图例 (Legend) */
.zuoekai-ring-stat__legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-top: 12px;
  width: 100%;
}

.zuoekai-ring-stat__legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--zuoekai-color-text-secondary);
}

.zuoekai-ring-stat__legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ring-stat-icon-color);
}

.zuoekai-ring-stat__legend-icon {
  width: 16px;
  height: 16px;
  color: var(--ring-stat-icon-color);
  display: flex;
}
.zuoekai-ring-stat__legend-icon svg {
  width: 100%; height: 100%;
}

.zuoekai-ring-stat__legend-value {
  font-weight: 600;
  color: var(--zuoekai-color-text);
  margin-left: 2px;
}

/* --- 方案 A: 极简数据环 (Clean & Minimal) --- */
/* (默认使用上述的共同覆盖即可) */

/* --- 方案 B: 半圆仪表盘 (Semi-circle Gauge) --- */
.zuoekai-ring-stat--b .zuoekai-ring-stat__body {
  height: calc(var(--ring-stat-size) / 2 + 10px);
  overflow: hidden;
}

.zuoekai-ring-stat--b .zuoekai-ring-stat__center {
  top: 100%;
  transform: translate(-50%, -100%);
  padding-bottom: 0;
  justify-content: flex-end;
}

/* --- 方案 C: 左数字 + 右小圆环 (Big Number & Mini Ring) --- */
.zuoekai-ring-stat--c {
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  padding: 24px 32px;
}

.zuoekai-ring-stat--c .zuoekai-ring-stat__body {
  --ring-stat-size: 100px;
  width: 100px;
  height: 100px;
  order: 2;
}

.zuoekai-ring-stat--c .zuoekai-ring-stat__center {
  position: static;
  transform: none;
  width: auto;
  height: auto;
  align-items: flex-start;
  text-align: left;
  order: 1;
}

.zuoekai-ring-stat--c .zuoekai-ring-stat__center-value {
  font-size: 32px;
}

.zuoekai-ring-stat--c .zuoekai-ring-stat__legend {
  display: none; /* 紧凑模式默认不展示图例 */
}

/* --- 方案 D: 发光细环 (Glowing Ring) --- */
.zuoekai-ring-stat--d .zuoekai-ring-stat__arc {
  filter: drop-shadow(0px 0px 8px var(--ring-stat-icon-color));
}

/* ==========================================================================
   无背景/透明底模式 (Ghost Mode)
   适用于组件已经处于卡片内部，不需要重复展示白底边框的场景
   ========================================================================== */
.zuoekai-ring-stat.zuoekai-ring-stat--ghost {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

/* Ghost 模式下取消 hover 时的外围光晕和上浮，避免突兀 */
.zuoekai-ring-stat.zuoekai-ring-stat--ghost:hover {
  box-shadow: none;
  border-color: transparent;
  transform: none;
}

/* Ghost 模式下中心内容也去除背景阴影，适配页面底色 */
.zuoekai-ring-stat.zuoekai-ring-stat--ghost .zuoekai-ring-stat__center {
  background: transparent;
  box-shadow: none;
  color: var(--zuoekai-color-text);
}

.zuoekai-ring-stat.zuoekai-ring-stat--ghost .zuoekai-ring-stat__center-title {
  color: var(--zuoekai-color-text-secondary);
}

.zuoekai-ring-stat.zuoekai-ring-stat--ghost .zuoekai-ring-stat__center-subtitle {
  color: var(--zuoekai-color-text-muted);
}

.zuoekai-ring-stat.zuoekai-ring-stat--ghost .zuoekai-ring-stat__center-value {
  color: var(--zuoekai-color-text);
}

.zuoekai-ring-stat.zuoekai-ring-stat--ghost .zuoekai-ring-stat__center-icon {
  color: var(--ring-stat-icon-color);
}