/* ========================================
   DetailGame — 分支剧情模拟器（画布式工作台）
   复用 styles.css 的设计变量，保持与主站一致
   ======================================== */

.dg-studio {
  max-width: 1560px;
  margin: 0 auto;
  padding: 108px 32px 40px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- 顶栏 ---------- */

.dg-topbar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding-bottom: 14px;
}

.dg-brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
  min-width: 0;
}

.dg-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--accent);
  flex-shrink: 0;
}

.dg-story-name {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 800;
  color: var(--text);
  background: transparent;
  border: none;
  border-bottom: 1px dashed transparent;
  padding: 2px 0;
  min-width: 12ch;
  max-width: 40vw;
  outline: none;
  transition: border-color 0.25s ease;
}

.dg-story-name:hover {
  border-bottom-color: var(--border);
}

.dg-story-name:focus {
  border-bottom-color: var(--accent);
}

.dg-story-name::placeholder {
  color: var(--text-light);
}

.dg-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.dg-save-hint {
  margin-left: auto;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.dg-save-hint.is-saved {
  color: var(--accent);
}

/* ---------- 按钮 ---------- */

.dg-btn {
  font-family: var(--font-sans);
  font-size: 13px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.dg-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.dg-btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #faf9f5;
}

.dg-btn--primary:hover {
  color: #faf9f5;
  opacity: 0.92;
}

.dg-btn--ghost {
  border-color: transparent;
  color: var(--text-muted);
}

.dg-btn--small {
  font-size: 12px;
  padding: 5px 12px;
}

.dg-btn--danger:hover {
  border-color: #b4452f;
  color: #b4452f;
}

/* hidden 属性必须压过下面的 display 设置 */
.dg-drawer[hidden],
.dg-empty[hidden],
.dg-play-modal[hidden] {
  display: none;
}

/* 本页顶栏与底栏透明化：让画布成为绝对主角 */
body:has(.dg-studio) .nav.scrolled {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: transparent;
}

body:has(.dg-studio) .footer {
  border-top-color: transparent;
  background: transparent;
}

/* ---------- 画布舞台 ---------- */

.dg-stage {
  position: relative;
  flex: 1;
  min-height: 0;
}

.dg-canvas {
  position: relative;
  height: calc(100vh - 240px);
  min-height: 480px;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  /* 点阵网格底纹，不抢眼 */
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: center;
  cursor: grab;
}

.dg-canvas.is-panning {
  cursor: grabbing;
}

.dg-world {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  will-change: transform;
}

.dg-edges {
  position: absolute;
  top: 0;
  left: 0;
  overflow: visible;
  pointer-events: none;
}

.dg-edges path {
  fill: none;
  stroke: var(--text-light);
  stroke-width: 1.5;
}

.dg-edges path.dg-edge--loop {
  stroke: var(--accent);
  stroke-dasharray: 5 5;
  opacity: 0.75;
}

.dg-edges text {
  font-family: var(--font-sans);
  font-size: 12px;
  fill: var(--text-secondary);
  paint-order: stroke;
  stroke: var(--bg);
  stroke-width: 5px;
  stroke-linejoin: round;
}

.dg-edges text.dg-edge-label--loop {
  fill: var(--accent);
  font-style: italic;
}

.dg-canvas-hint {
  position: absolute;
  left: 16px;
  bottom: 12px;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--text-light);
  pointer-events: none;
  user-select: none;
}

.dg-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-muted);
}

.dg-zoombar {
  position: absolute;
  right: 16px;
  bottom: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 4px 8px;
  box-shadow: 0 2px 12px rgba(29, 27, 24, 0.06);
}

.dg-zoombar button {
  font-family: var(--font-mono);
  font-size: 13px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
}

.dg-zoombar button:hover {
  color: var(--accent);
  background: var(--accent-muted);
}

.dg-zoombar span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  min-width: 44px;
  text-align: center;
}

/* ---------- 节点 ---------- */

.dg-node {
  position: absolute;
  width: 210px;
  padding: 12px 16px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(29, 27, 24, 0.05);
  cursor: pointer;
  user-select: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.dg-node:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 20px rgba(201, 100, 66, 0.12);
  transform: translateY(-2px);
}

.dg-node.is-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted), 0 6px 20px rgba(201, 100, 66, 0.14);
}

.dg-node.is-dragging {
  cursor: grabbing;
  transform: none;
  border-color: var(--accent);
  box-shadow: 0 12px 30px rgba(201, 100, 66, 0.2);
  z-index: 2;
}

.dg-node {
  touch-action: none;
}

.dg-node.is-start {
  border-left: 3px solid var(--accent);
}

.dg-node-flag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius-full);
  padding: 1px 8px;
  margin-bottom: 6px;
}

.dg-node-title {
  display: block;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.dg-node-sub {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.dg-node.is-ending .dg-node-sub {
  color: var(--accent);
}

.dg-node-add {
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%) scale(0.8);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  background: var(--bg-card);
  color: var(--accent);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.dg-node:hover .dg-node-add {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

.dg-node-add:hover {
  background: var(--accent);
  color: #faf9f5;
}

/* 结局端点 */

.dg-terminal {
  position: absolute;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  border: 1px dashed var(--text-light);
  background: var(--bg);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  user-select: none;
  cursor: default;
}

/* ---------- 编辑抽屉 ---------- */

.dg-drawer {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(400px, 92vw);
  background: color-mix(in srgb, var(--bg-card) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-left: 1px solid var(--border);
  box-shadow: -12px 0 40px rgba(29, 27, 24, 0.08);
  display: flex;
  flex-direction: column;
  z-index: 10;
  animation: dg-drawer-in 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes dg-drawer-in {
  from { transform: translateX(40px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.dg-drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 12px;
  border-bottom: 1px solid var(--border-light);
}

.dg-drawer-kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--accent);
}

.dg-drawer-close {
  border: none;
  background: transparent;
  font-size: 22px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  transition: color 0.2s ease, background 0.2s ease;
}

.dg-drawer-close:hover {
  color: var(--accent);
  background: var(--accent-muted);
}

.dg-drawer-body {
  padding: 18px 20px 24px;
  overflow-y: auto;
}

.dg-drawer-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}

.dg-drawer-meta .dg-btn--danger {
  margin-left: auto;
}

.dg-start-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius-full);
  padding: 2px 10px;
}

/* ---------- 表单 ---------- */

.dg-field {
  display: block;
  margin-bottom: 18px;
}

.dg-field > span {
  display: block;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.dg-field input,
.dg-field textarea,
.dg-choice-row select,
.dg-choice-row input {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 9px 12px;
  outline: none;
  transition: border-color 0.25s ease;
}

.dg-field textarea {
  resize: vertical;
  line-height: 1.75;
}

.dg-field input:focus,
.dg-field textarea:focus,
.dg-choice-row select:focus,
.dg-choice-row input:focus {
  border-color: var(--accent);
}

/* ---------- 分支列表 ---------- */

.dg-branches-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.dg-branches-head h3 {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--text);
}

.dg-branches-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.dg-choice-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dg-choice-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 10px 12px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg);
}

.dg-choice-row-tools {
  display: flex;
  gap: 6px;
}

.dg-choice-row-tools select {
  flex: 1;
  min-width: 0;
}

.dg-choice-row-tools .dg-btn {
  flex-shrink: 0;
}

/* ---------- 试玩弹窗 ---------- */

.dg-play-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.dg-play-frame {
  width: min(720px, 100%);
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 80px rgba(29, 27, 24, 0.18);
  padding: 22px 28px 28px;
  animation: dg-drawer-in 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.dg-play-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.dg-play-head > div {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dg-play-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.dg-play-hint code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--accent-muted);
  color: var(--accent);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
}

.dg-play-body {
  overflow-y: auto;
  padding-right: 6px;
}

/* ---------- details/summary 剧情渲染（试玩与导出文件共用类名） ---------- */

.dg-story {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

.dg-story details {
  border-left: 2px solid var(--border);
  padding-left: var(--space-sm);
  margin: 10px 0;
}

.dg-story details[open] {
  border-left-color: var(--accent);
}

.dg-story summary {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--accent);
  cursor: pointer;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--bg-card);
  transition: border-color 0.25s ease, background 0.25s ease;
  list-style: none;
}

.dg-story summary::-webkit-details-marker {
  display: none;
}

.dg-story summary::before {
  content: '▸ ';
}

.dg-story details[open] > summary::before {
  content: '▾ ';
}

.dg-story summary:hover {
  border-color: var(--accent);
  background: var(--accent-muted);
}

.dg-story p {
  margin: 10px 0;
}

.dg-story .dg-ending {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.dg-story .dg-loop {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
}

.dg-story .dg-scene-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  margin: 12px 0 4px;
}

/* ---------- 响应式 ---------- */

@media (max-width: 768px) {
  .dg-studio {
    padding: 96px 16px 24px;
  }

  .dg-story-name {
    font-size: 20px;
    max-width: 56vw;
  }

  .dg-save-hint {
    margin-left: 0;
    width: 100%;
  }

  .dg-canvas {
    height: calc(100vh - 300px);
    min-height: 420px;
  }

  .dg-canvas-hint {
    display: none;
  }
}