/* ============================================================
   宠侠演义 · 水墨江湖视觉系统 (Ink & Seal)
   基于 DESIGN.md
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Ma+Shan+Zheng&family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500&display=swap");

/* ============================================================
   1. 设计令牌
   ============================================================ */
:root {
  /* ── 墨色五阶（焦浓重淡清）── */
  --ink-jiao:   #1a1612;
  --ink-nong:   #2e2823;
  --ink-zhong:  #4a423a;
  --ink-dan:    #7a7066;
  --ink-qing:   #a8a09a;

  /* ── 宣纸四层 ── */
  --paper:        #f0e8d6;
  --paper-warm:   #e8dfc8;
  --paper-light:  #f7f1e1;
  --paper-dark:   #ddd2b8;

  /* ── 朱砂三态（唯一彩色）── */
  --seal:       #9e2b25;
  --seal-light: #c44536;
  --seal-dim:   #8a2520;

  /* ── 微量辅色 ── */
  --gold:       #b08d3a;
  --indigo:     #2c4a52;

  /* ── 字体 ── */
  --font-brush: "Ma Shan Zheng", "Noto Serif SC", serif;
  --font-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --font-sans:  "Noto Sans SC", -apple-system, sans-serif;

  /* ── 圆角 ── */
  --r-xs: 2px;
  --r-sm: 4px;

  /* ── 间距 ── */
  --s-xs: 8px;
  --s-sm: 12px;
  --s-md: 16px;
  --s-lg: 24px;
  --s-xl: 32px;

  /* ── 边框 ── */
  --border-ink:   2px solid var(--ink-jiao);
  --border-thin:  1px solid var(--ink-qing);
  --border-paper: 1px solid var(--paper-dark);

  /* ── 过渡 ── */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================
   2. 基础重置
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-nong);
  background: var(--paper);
  background-image:
    radial-gradient(ellipse at 20% 10%, rgba(180,160,120,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(140,120,90,0.04) 0%, transparent 50%);
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   3. 布局
   ============================================================ */
.app {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================================
   4. 首屏
   ============================================================ */
.hero-screen {
  text-align: center;
  padding: 56px 0 48px;
  position: relative;
}

.hero-screen__seal {
  position: absolute;
  top: 24px;
  right: 8%;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--seal);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  border-radius: var(--r-xs);
  transform: rotate(-3deg);
  opacity: 0.92;
  box-shadow: 0 2px 8px rgba(158,43,37,0.3);
}

.hero-screen__title {
  font-family: var(--font-brush);
  font-size: 64px;
  font-weight: 400;
  color: var(--ink-jiao);
  letter-spacing: 10px;
  line-height: 1.1;
  margin-bottom: 12px;
  -webkit-text-stroke: 0.5px var(--ink-jiao);
}

.hero-screen__sub {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--ink-zhong);
  letter-spacing: 6px;
  margin-bottom: 20px;
}

.hero-screen__tagline {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--ink-dan);
  letter-spacing: 3px;
  font-style: italic;
  margin-bottom: 32px;
}

.hero-screen__actions {
  display: flex;
  gap: var(--s-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* 三步 */
.steps {
  display: flex;
  gap: var(--s-lg);
  padding: 0 0 var(--s-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.step {
  text-align: center;
  flex: 1;
  min-width: 100px;
}

.step__num {
  font-family: var(--font-brush);
  font-size: 28px;
  color: var(--seal);
  line-height: 1;
  margin-bottom: 4px;
}

.step__text {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-nong);
  letter-spacing: 2px;
}

.step__arrow {
  color: var(--ink-qing);
  margin-left: 4px;
}

/* ============================================================
   5. 按钮
   ============================================================ */
.btn {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 4px;
  padding: 12px 32px;
  border: 2px solid var(--ink-jiao);
  background: var(--paper-light);
  color: var(--ink-jiao);
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: var(--s-xs);
}

.btn:hover {
  background: var(--ink-jiao);
  color: var(--paper);
}

/* 朱砂主按钮 */
.btn--primary {
  background: var(--seal);
  color: var(--paper);
  border-color: var(--seal);
}

.btn--primary:hover {
  background: var(--seal-dim);
  border-color: var(--seal-dim);
}

/* 墨框次按钮 */
.btn--secondary {
  background: var(--paper-light);
  color: var(--ink-jiao);
  border-color: var(--ink-jiao);
}

/* 文字按钮 */
.btn--text {
  background: none;
  border: none;
  color: var(--seal);
  padding: var(--s-xs) var(--s-sm);
  letter-spacing: 2px;
  font-size: 14px;
}

.btn--text:hover {
  text-decoration: underline;
  background: none;
  color: var(--seal-light);
}

/* ghost */
.btn--ghost {
  background: transparent;
  border-color: var(--ink-qing);
  color: var(--ink-dan);
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================================
   6. 区块标题
   ============================================================ */
.section-head {
  display: flex;
  align-items: center;
  gap: var(--s-md);
  margin-bottom: var(--s-lg);
}

.section-head__num {
  font-family: var(--font-brush);
  font-size: 32px;
  color: var(--seal);
  line-height: 1;
}

.section-head__title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink-jiao);
  letter-spacing: 4px;
  white-space: nowrap;
}

.section-head__line {
  flex: 1;
  height: 1px;
  background: var(--ink-qing);
  background-image: linear-gradient(90deg, var(--ink-qing) 0%, var(--ink-qing) 70%, transparent 100%);
}

.section-head__meta {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--ink-dan);
  letter-spacing: 1px;
  white-space: nowrap;
}

/* ============================================================
   7. 选将槽
   ============================================================ */
.slots-bar {
  display: flex;
  align-items: stretch;
  gap: var(--s-sm);
  margin-bottom: var(--s-lg);
}

.slot {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--s-sm);
  padding: var(--s-sm) var(--s-md);
  border: var(--border-thin);
  background: var(--paper-light);
  min-height: 52px;
  transition: border-color 0.15s;
}

.slot--active {
  border: 2px solid var(--seal);
}

.slot__label {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-dan);
  letter-spacing: 2px;
  white-space: nowrap;
}

.slot__name {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-jiao);
}

.slot__name--empty {
  color: var(--ink-qing);
  font-weight: 400;
  font-style: italic;
}

.slot__divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  font-family: var(--font-brush);
  font-size: 20px;
  color: var(--ink-qing);
}

/* ============================================================
   8. 英雄卡（英雄帖）
   ============================================================ */
.roster {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--s-md);
  margin-bottom: var(--s-lg);
}

.hero-card {
  position: relative;
  background: var(--paper-light);
  border: var(--border-ink);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out);
  display: flex;
  flex-direction: column;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid var(--ink-jiao);
  pointer-events: none;
  z-index: 1;
}

.hero-card:hover {
  transform: translateY(-2px);
}

.hero-card--selected {
  border-color: var(--seal);
}

.hero-card--selected::before {
  border-color: var(--seal);
}

/* 选中标记 */
.hero-card__badge {
  position: absolute;
  top: var(--s-xs);
  right: var(--s-xs);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--seal);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--r-xs);
  z-index: 3;
}

/* 肖像区 */
.hero-card__portrait {
  aspect-ratio: 4 / 3;
  background: var(--paper-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: var(--border-thin);
  position: relative;
  z-index: 2;
  background-image: radial-gradient(ellipse at center, transparent 40%, rgba(60,50,40,0.06) 100%);
}

.portrait-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.portrait-placeholder__text {
  font-family: var(--font-brush);
  font-size: 28px;
  color: var(--ink-qing);
}

/* 物种标 */
.hero-card__species {
  position: absolute;
  top: var(--s-xs);
  left: var(--s-xs);
  font-family: var(--font-serif);
  font-size: 12px;
  font-weight: 600;
  color: var(--seal);
  z-index: 3;
}

/* 卡片信息区 */
.hero-card__body {
  padding: var(--s-sm) var(--s-md) var(--s-sm);
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.hero-card__name {
  font-family: var(--font-brush);
  font-size: 22px;
  color: var(--ink-jiao);
  letter-spacing: 2px;
  line-height: 1.2;
}

.hero-card__title {
  font-family: var(--font-serif);
  font-size: 12px;
  color: var(--ink-zhong);
}

/* 六维竹简竖条 */
.hero-card__attrs {
  display: flex;
  gap: 3px;
  height: 48px;
  align-items: flex-end;
  margin-top: 4px;
}

.scroll-attr {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.scroll-attr__bar {
  width: 100%;
  background: var(--ink-jiao);
  min-height: 3px;
  border-radius: 1px;
}

.scroll-attr__label {
  font-family: var(--font-serif);
  font-size: 10px;
  color: var(--ink-dan);
}

/* 绝技 */
.hero-card__skill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-top: var(--s-xs);
  border-top: var(--border-paper);
  margin-top: auto;
}

.hero-card__skill-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--seal);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 10px;
  font-weight: 700;
  border-radius: var(--r-xs);
  flex-shrink: 0;
}

.hero-card__skill-name {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-nong);
}

/* ============================================================
   9. 六维详情（属性面板用）
   ============================================================ */
.dim-row {
  display: flex;
  align-items: center;
  gap: var(--s-sm);
  margin-bottom: var(--s-sm);
}

.dim-row__seal {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 700;
  border: 1.5px solid var(--ink-jiao);
  color: var(--ink-jiao);
  background: var(--paper);
  flex-shrink: 0;
}

.dim-row__name {
  width: 32px;
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-nong);
  flex-shrink: 0;
}

.dim-track {
  flex: 1;
  height: 10px;
  background: var(--paper-dark);
}

.dim-fill {
  height: 100%;
  background: var(--ink-jiao);
  transition: width 0.4s ease;
}

.dim-row__val {
  width: 30px;
  text-align: right;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-jiao);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

/* 最高属性朱砂突出 */
.dim-row--best .dim-row__seal {
  background: var(--seal);
  color: var(--paper);
  border-color: var(--seal);
}

.dim-row--best .dim-fill {
  background: var(--seal);
}

/* ============================================================
   10. 对战（擂台）
   ============================================================ */
.battle-section {
  padding: var(--s-lg) 0;
}

/* 版框容器 */
.arena {
  background: var(--paper-light);
  border: var(--border-ink);
  padding: var(--s-xl);
  position: relative;
}

.arena::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid var(--ink-jiao);
  pointer-events: none;
}

/* 对阵区 */
.versus {
  display: flex;
  align-items: stretch;
  gap: var(--s-md);
  margin-bottom: var(--s-xl);
  position: relative;
  z-index: 1;
}

.combatant {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--s-md);
}

.combatant__portrait {
  width: 72px;
  height: 72px;
  border: 2px solid var(--ink-jiao);
  background: var(--paper-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background-image: radial-gradient(ellipse at center, transparent 40%, rgba(60,50,40,0.06) 100%);
}

.combatant__portrait .portrait-placeholder__text {
  font-size: 32px;
}

.combatant__info {
  flex: 1;
}

.combatant__name {
  font-family: var(--font-brush);
  font-size: 24px;
  color: var(--ink-jiao);
  letter-spacing: 3px;
  line-height: 1.2;
}

.combatant__title {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--ink-zhong);
  margin-bottom: var(--s-xs);
}

/* 气血条 */
.qi-bar {
  margin-top: 4px;
}

.qi-bar__header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--ink-dan);
  margin-bottom: 3px;
  font-variant-numeric: tabular-nums;
}

.qi-bar__track {
  height: 8px;
  background: var(--paper-dark);
  border: 1px solid var(--ink-qing);
}

.qi-bar__fill {
  height: 100%;
  background: var(--ink-jiao);
  transition: width 0.5s ease;
}

/* VS */
.versus__center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 var(--s-xs);
}

.versus__line {
  width: 1px;
  height: 24px;
  background: var(--ink-qing);
}

.versus__text {
  font-family: var(--font-brush);
  font-size: 20px;
  color: var(--seal);
  padding: 4px 0;
}

/* ============================================================
   11. 战报（章回体）
   ============================================================ */
.report {
  background: var(--paper-light);
  border: var(--border-thin);
  padding: var(--s-lg);
  min-height: 200px;
  max-height: 520px;
  overflow-y: auto;
  margin-bottom: var(--s-md);
  position: relative;
  z-index: 1;
}

/* 枯笔分隔线 */
.ink-divider {
  width: 100%;
  height: 1px;
  background: var(--ink-qing);
  background-image: linear-gradient(90deg, var(--ink-qing) 0%, var(--ink-qing) 70%, transparent 100%);
  margin: var(--s-lg) 0;
  position: relative;
  z-index: 1;
}

/* 回合节点 */
.chapter {
  border-left: 3px solid var(--ink-qing);
  padding: 0 0 var(--s-lg) var(--s-md);
  position: relative;
  animation: chapterIn 0.4s var(--ease-out) both;
}

.chapter:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.chapter::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 2px;
  width: 13px;
  height: 13px;
  background: var(--paper-light);
  border: 2px solid var(--ink-nong);
  border-radius: 50%;
}

.chapter[data-phase="起势"]::before { border-color: var(--ink-zhong); }
.chapter[data-phase="交锋"]::before { border-color: var(--seal); background: var(--seal); }
.chapter[data-phase="高潮"]::before { border-color: var(--gold); background: var(--gold); box-shadow: 0 0 0 4px rgba(176,141,58,0.2); }
.chapter[data-phase="收势"]::before { border-color: var(--indigo); background: var(--indigo); }

.chapter__head {
  display: flex;
  align-items: baseline;
  gap: var(--s-xs);
  margin-bottom: 4px;
}

.chapter__phase {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--ink-dan);
  letter-spacing: 1px;
}

.chapter__title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-jiao);
  letter-spacing: 2px;
}

.chapter__body {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--ink-nong);
  line-height: 1.8;
  white-space: pre-wrap;
}

.chapter__trigger {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--seal);
  margin-top: 4px;
  font-weight: 600;
}

.chapter__mvp {
  display: inline-block;
  padding: 2px var(--s-xs);
  background: var(--seal);
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-left: var(--s-xs);
}

@keyframes chapterIn {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: none; }
}

/* 结算 */
.report-summary {
  padding: var(--s-md);
  background: var(--paper-warm);
  border: var(--border-thin);
  white-space: pre-wrap;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-nong);
  margin-top: var(--s-md);
  animation: chapterIn 0.4s var(--ease-out) both;
  position: relative;
  z-index: 1;
}

.report-summary__loading {
  color: var(--ink-dan);
  font-style: italic;
}

/* 胜负判词 */
.verdict {
  text-align: center;
  padding: var(--s-lg) var(--s-xl);
  background: var(--ink-jiao);
  color: var(--paper);
  margin-top: var(--s-md);
  position: relative;
  z-index: 1;
  animation: verdictIn 0.4s var(--ease-out) both;
}

.verdict__label {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--ink-qing);
  letter-spacing: 4px;
  margin-bottom: 4px;
}

.verdict__name {
  font-family: var(--font-brush);
  font-size: 36px;
  letter-spacing: 6px;
  color: var(--gold);
}

@keyframes verdictIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: none; }
}

/* ============================================================
   12. 操作栏
   ============================================================ */
.actions {
  display: flex;
  gap: var(--s-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--s-lg);
  position: relative;
  z-index: 1;
}

/* ============================================================
   13. 页脚
   ============================================================ */
.site-footer {
  text-align: center;
  padding: var(--s-xl) 0 var(--s-lg);
  border-top: var(--border-thin);
  margin-top: var(--s-xl);
}

.site-footer__text {
  font-family: var(--font-serif);
  font-size: 12px;
  color: var(--ink-dan);
  letter-spacing: 1px;
  line-height: 1.8;
}

/* ============================================================
   14. 响应式
   ============================================================ */
@media (max-width: 640px) {
  .app { padding: 0 16px; }

  .hero-screen__title { font-size: 44px; letter-spacing: 6px; }
  .hero-screen__seal { width: 44px; height: 44px; font-size: 11px; }

  .steps { flex-direction: column; gap: var(--s-sm); }
  .step__arrow { display: none; }

  .roster { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: var(--s-sm); }

  .versus { flex-direction: column; }
  .versus__center { flex-direction: row; padding: var(--s-xs) 0; }
  .versus__line { width: 24px; height: 1px; }

  .arena { padding: var(--s-md); }
  .arena::before { inset: 3px; }

  .combatant__portrait { width: 56px; height: 56px; }
  .combatant__name { font-size: 20px; }
}

/* ============================================================
   15. 可访问性
   ============================================================ */
.btn:focus-visible,
.hero-card:focus-visible {
  outline: 2px solid var(--seal);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   16. 工具类
   ============================================================ */
.hidden { display: none !important; }