/* ===== 本站适配层：三栏头部 / DianDi 字标 / 模式切换 / 相册详情排版 ===== */

/* 头部：品牌（返回主界面） · 字标 · 本地时间 · 模式切换 */
.header-grid {
  grid-template-columns: repeat(14, minmax(0, 1fr));
}

.brand-wrapper {
  grid-column: 1 / span 4;
}

.brand {
  font-size: 1.2rem;
  letter-spacing: 0.02em;
}

.brand .roll-line > span {
  font-family: "Helvetica Now Variable", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* 中间的 DianDi 手写体字标（替换原来的 B 签名 SVG） */
.wordmark {
  display: block;
  grid-column: 5 / span 5;
  align-self: start;
  padding-top: 0.2rem;
  font-family: "Snell Roundhand", "Apple Chancery", "Brush Script MT", "Segoe Script", cursive;
  font-size: 5rem;
  line-height: 0.92;
  letter-spacing: 0.01em;
  transform: rotate(-5deg);
  transform-origin: left top;
  text-transform: none;
  color: var(--color-main);
  user-select: none;
  transition: opacity 0.4s var(--ease-out);
}

.wordmark:hover {
  opacity: 0.72;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  grid-column: 11 / span 4;
}

/* 右上角模式切换 */
.mode-toggle,
.header-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.2rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font: 400 1.1rem/1 "Helvetica Now Variable", "Helvetica Neue", "PingFang SC", sans-serif;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--color-main);
  opacity: 0.85;
  transition: opacity 0.3s var(--ease-out), background-color 0.3s var(--ease-out), color 0.3s var(--ease-out);
}

.mode-toggle:hover,
.mode-toggle:focus-visible,
.header-pill:hover,
.header-pill:focus-visible {
  opacity: 1;
  background: var(--color-main);
  color: var(--color-bg);
}

.mode-toggle svg {
  display: block;
  width: 1.2rem;
  height: 1.2rem;
}

@media (max-width: 1024px) {
  /* 移动端沿用原设计的签名隐藏策略，避免字标和状态栏挤在一起 */
  .wordmark {
    display: none;
  }

  .brand-wrapper {
    grid-column: 1 / span 2;
  }

  .local-time {
    grid-column: 3 / span 2;
    justify-content: flex-start;
    padding-left: 0;
  }

  .header {
    position: relative;
  }

  .brand {
    max-width: 100%;
    overflow: hidden;
  }

  .brand .roll-line > span {
    display: block;
    max-width: 100%;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 1.1rem;
  }

  .brand-wrapper {
    grid-column: 1 / span 3;
  }

  .header-actions {
    grid-column: 4 / span 3;
  }

  .header-pill {
    padding: 0.6rem 0.9rem;
    font-size: 1rem;
  }

  .header-actions {
    position: absolute;
    top: 0.8rem;
    right: 0.8rem;
    gap: 0.6rem;
  }

  .mode-toggle {
    padding: 0.6rem 0.9rem;
    font-size: 1rem;
  }

  .mode-toggle svg {
    width: 1.1rem;
    height: 1.1rem;
  }
}

@media (max-width: 767px) {
  .brand .roll-line > span {
    font-size: 1.2rem;
  }

  .mode-toggle span {
    display: none;
  }

  .mode-toggle {
    padding: 0.6rem 0.8rem;
  }
}

/* ===== 相册详情：按照片方向排版 =====
   - 竖图（9:16 等）：一行 3 张
   - 横图（16:9 左右）：一行 1 张，居中
   - 4:3 左右的图：两列靠右
   方向由 case.js 读取图片真实比例后打 class。 */
.page--album .project-gallery {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.page--album .gallery-item {
  grid-column: span 2;
  margin-bottom: 3.2rem;
  aspect-ratio: var(--ratio, 0.75);
}

/* 竖图：3 张一排（默认规则就是 span 2） */
.page--album .gallery-item.is-portrait {
  grid-column: span 2;
}

/* 16:9 横图：整行居中，宽度收一点，避免贴边 */
.page--album .gallery-item.is-wide {
  grid-column: 1 / -1;
  justify-self: center;
  width: 78%;
  margin-bottom: 4.8rem;
  aspect-ratio: var(--ratio, 1.78);
}

/* 4:3 左右的图：同样一行 3 张，保持原始比例，四边只留一个网格间隙 */
.page--album .gallery-item.is-standard {
  grid-column: span 2;
  aspect-ratio: var(--ratio, 1.33);
}

.page--album .gallery-item .img-wrap {
  height: 100%;
}

/* 相册标题不需要小写化 */
.page--album .title {
  text-transform: none;
}

/* 详情页的“下一本相册” */
.page--album .next-image-img {
  aspect-ratio: 396 / 496;
}

/* 详情页：吸顶头部给个实底，避免正文滚到头部文字下面 */
.case-page .header {
  background: var(--color-bg);
}

/* ===== 相册画板（自由排版） ===== */
.album-board {
  position: relative;
  width: 100%;
  margin: 0 auto;
  height: 60vw;
}

.board-item {
  position: absolute;
  overflow: hidden;
  margin: 0;
}

.board-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body.board-editing .board-item {
  outline: 1px dashed color-mix(in srgb, currentColor 45%, transparent);
  cursor: grab;
  touch-action: none;
}

body.board-editing .board-item.is-dragging {
  cursor: grabbing;
  z-index: 30;
  outline-color: currentColor;
}

.board-resize {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 16px;
  height: 16px;
  display: none;
  background: currentColor;
  opacity: 0.7;
  cursor: nwse-resize;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

body.board-editing .board-resize {
  display: block;
}

.board-template {
  position: absolute;
  left: 0;
  width: 100%;
  pointer-events: none;
}

.board-template-label {
  position: absolute;
  top: -1.6rem;
  left: 0;
  font-size: 1.1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.62;
}

.board-slot {
  position: absolute;
  border: 1px dashed color-mix(in srgb, currentColor 55%, transparent);
  border-radius: 2px;
  pointer-events: none;
  transition: opacity 0.2s ease, border-color 0.2s ease;
}

.board-slot.is-filled {
  opacity: 0.18;
}

.board-lock:not(.header-pill) {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: 2.4rem;
  padding: 0.9rem 1.8rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font: 400 1.1rem/1 "Helvetica Now Variable", "Helvetica Neue", "PingFang SC", sans-serif;
  letter-spacing: 0.08em;
  color: inherit;
  background: transparent;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, opacity 0.25s ease;
}

.board-lock:not(.header-pill):hover {
  background: currentColor;
  color: var(--color-bg);
}

.board-lock[data-state="saved"]::after {
  content: "已保存";
  opacity: 0.7;
}

.board-lock[data-state="error"]::after {
  content: "保存失败";
  color: #ff8f7a;
}

/* 编辑态：收起 hero 与「下一本」，把画板顶到页面上方，方便拖拽 */
body.board-editing .hero,
body.board-editing .next,
body.board-editing .desc {
  display: none;
}

body.board-editing .container {
  padding-top: 11rem;
}

/* 模板之间更清晰的层次 */
.board-template {
  padding-top: 2.4rem;
}

.board-template::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: color-mix(in srgb, currentColor 22%, transparent);
}

.board-template-label {
  top: 0;
  font-size: 1.1rem;
  letter-spacing: 0.14em;
  opacity: 0.72;
}

/* 编辑模式与成品 1:1：所见即锁定后的样子 */
body.board-editing .album-board {
  width: 100%;
  margin-left: 0;
}

body.board-editing .board-template-label {
  font-size: 0.95rem;
  letter-spacing: 0.1em;
}

/* 多选：选中描边 + 框选矩形 */
.board-item.is-selected {
  outline: 3px solid #ffcf4d;
  outline-offset: -3px;
  box-shadow: 0 0 0 3px rgba(255, 207, 77, 0.35);
  z-index: 20;
}

.board-marquee {
  border-color: #ffcf4d;
  background: rgba(255, 207, 77, 0.08);
}

body.board-editing .board-item.is-selected {
  outline-style: solid;
}

.board-marquee {
  position: absolute;
  z-index: 40;
  border: 1px dashed rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

body.board-editing .album-board.is-selecting {
  cursor: crosshair;
}

/* 长按反馈：按住时呼吸描边，触发后闪一下 */
.board-item.is-arming {
  outline: 3px solid rgba(255, 207, 77, 0.55);
  outline-offset: -3px;
  animation: boardArm 0.38s ease-in-out infinite alternate;
}

@keyframes boardArm {
  from { outline-color: rgba(255, 207, 77, 0.25); }
  to   { outline-color: rgba(255, 207, 77, 0.9); }
}

.board-item.hold-fired {
  outline: 3px solid #ffcf4d;
  outline-offset: -3px;
}

/* 模板：可拖动 / 可缩放 / 独立锁定 */
/* 模板顶部标题栏：整条都能抓，拖动移动 */
body.board-editing .board-tpl-head {
  position: absolute;
  left: -1px;
  right: -1px;
  bottom: 100%;
  top: auto;
  height: auto;
  min-height: 3rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.8rem;
  padding: 0.45rem 0.8rem;
  max-width: 100%;
  box-sizing: border-box;
  border-radius: 4px 4px 0 0;
  background: color-mix(in srgb, var(--color-bg) 72%, transparent);
  border: 1px solid color-mix(in srgb, currentColor 28%, transparent);
  cursor: grab;
  pointer-events: auto;
  user-select: none;
  touch-action: none;
}

body.board-editing .board-tpl-head:hover {
  border-color: color-mix(in srgb, currentColor 60%, transparent);
}

.board-template.is-moving .board-tpl-head {
  cursor: grabbing;
  border-color: #ffcf4d;
}

.board-tpl-grip {
  opacity: 0.7;
  letter-spacing: -0.1em;
  font-size: 1.3rem;
}

.board-tpl-hint {
  margin-left: auto;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  opacity: 0.45;
}

body.templates-locked .board-tpl-head,
body.templates-locked .board-tpl-hint {
  display: none;
}

body.templates-locked .board-template-label {
  display: block;
  padding: 0 0.2rem;
}

.board-template.is-moving {
  outline: 1px solid #ffcf4d;
}

.board-tpl-resize {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 18px;
  height: 18px;
  display: none;
  background: #ffcf4d;
  opacity: 0.85;
  cursor: nwse-resize;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  pointer-events: auto;
}

body.board-editing .board-tpl-resize {
  display: block;
}

body.templates-locked .board-template-label {
  cursor: default;
}

body.templates-locked .board-tpl-resize {
  display: none;
}

.board-tpl-lock {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 50;
  padding: 0.55rem 1.1rem;
  border: 1px solid #ffcf4d;
  border-radius: 999px;
  background: transparent;
  color: #ffcf4d;
  font: 400 1.05rem/1 "Helvetica Now Variable", "Helvetica Neue", "PingFang SC", sans-serif;
  letter-spacing: 0.06em;
  cursor: pointer;
}

.board-tpl-lock[data-locked="1"] {
  background: #ffcf4d;
  color: #1c1f1e;
}

/* 模板比例输入 */
.board-tpl-ratio {
  width: 11rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid color-mix(in srgb, currentColor 30%, transparent);
  border-radius: 3px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.board-tpl-ratio:focus {
  outline: none;
  border-color: #ffcf4d;
}

.board-tpl-ratio::placeholder {
  color: currentColor;
  opacity: 0.4;
}

.board-tpl-ratiolock {
  padding: 0.25rem 0.7rem;
  border: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  border-radius: 3px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 1rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  white-space: nowrap;
}

.board-tpl-ratiolock.is-on {
  background: #ffcf4d;
  border-color: #ffcf4d;
  color: #1c1f1e;
}

.board-tpl-ratio:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* 编辑态：不再裁掉画板内容，底部留出滚动余量 */
body.board-editing .page,
body.board-editing .album-board {
  overflow: visible;
}

body.board-editing .container {
  padding-bottom: 24rem;
}

.board-template.is-shaking {
  animation: tplShake 0.4s ease;
}

@keyframes tplShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* 相册简介编辑 */
.album-intro-edit {
  margin-top: 1.6rem;
  font-family: "Helvetica Now Variable", "PingFang SC", sans-serif;
}

.album-intro-edit summary {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid color-mix(in srgb, currentColor 40%, transparent);
  border-radius: 999px;
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  list-style: none;
}

.album-intro-edit summary::-webkit-details-marker { display: none; }

.album-intro-edit form {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-width: 46rem;
}

.album-intro-edit textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  border-radius: 4px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 1.3rem;
  line-height: 1.6;
  resize: vertical;
}

.album-intro-edit button {
  align-self: flex-start;
  padding: 0.6rem 1.4rem;
  border: 1px solid #ffcf4d;
  border-radius: 999px;
  background: transparent;
  color: #ffcf4d;
  font: inherit;
  font-size: 1.1rem;
  cursor: pointer;
}

/* 吸附参考线 */
.board-guide {
  position: absolute;
  display: none;
  pointer-events: none;
  z-index: 45;
}

.board-guide--v {
  width: 1px;
  background: #ff4d6d;
  box-shadow: 0 0 6px rgba(255, 77, 109, 0.6);
}

.board-guide--h {
  height: 1px;
  background: #ff4d6d;
  box-shadow: 0 0 6px rgba(255, 77, 109, 0.6);
}

/* 模板左侧专用拖拽区 */
.board-tpl-drag {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  flex: 0 0 auto;
  min-width: 18rem;
  height: 100%;
  cursor: grab;
  user-select: none;
}

.board-template.is-moving .board-tpl-drag { cursor: grabbing; }

.header-select {
  appearance: none;
  padding-right: 1.6rem;
  cursor: pointer;
  color: var(--color-main);
}

.header-select option { color: #1c1f1e; }

[data-preset-save][data-state="saved"]::after { content: "✓"; margin-left: .4rem; }
[data-preset-save][data-state="error"]::after { content: "!"; margin-left: .4rem; color: #ff8f7a; }

/* 标题栏控件自适应：窄模板自动换行，永远待在框内 */
.board-tpl-head > * {
  flex: 0 1 auto;
  min-width: 0;
}

.board-tpl-head .board-tpl-ratio {
  flex: 1 1 11rem;
  min-width: 7rem;
  max-width: 22rem;
}

.board-tpl-head .board-tpl-ratiolock {
  flex: 0 0 auto;
  white-space: nowrap;
}

.board-tpl-drag {
  flex: 1 1 12rem;
  min-width: 9rem;
  overflow: hidden;
}

/* 版式管理面板 */
.preset-panel {
  position: fixed;
  right: 2rem;
  top: 9rem;
  z-index: 200;
  width: 44rem;
  max-width: calc(100vw - 4rem);
  max-height: 70vh;
  overflow: auto;
  padding: 1.4rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, currentColor 25%, transparent);
  background: var(--color-bg);
  color: var(--color-main);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  font: 400 1.2rem/1.4 "Helvetica Now Variable", "PingFang SC", sans-serif;
}

.preset-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.preset-panel-head button,
.preset-row button {
  padding: 0.4rem 0.9rem;
  border: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  border-radius: 4px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  font-size: 1.1rem;
}

.preset-row {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  gap: 0.6rem;
  align-items: center;
  padding: 0.4rem 0;
  border-top: 1px solid color-mix(in srgb, currentColor 12%, transparent);
}

.preset-name {
  width: 100%;
  padding: 0.4rem 0.6rem;
  border: 1px solid color-mix(in srgb, currentColor 25%, transparent);
  border-radius: 4px;
  background: transparent;
  color: inherit;
  font: inherit;
}

.preset-del { color: #d64545; border-color: #d64545 !important; }
.preset-empty { opacity: 0.6; }

/* 编辑态：照片永远压在模板之上，避免被模板/标题栏盖住 */
body.board-editing .board-item {
  z-index: 60;
}

/* 模板下方的说明文字 */
.board-caption {
  position: absolute;
  z-index: 5;
  font: 400 1.15rem/1.4 "Helvetica Now Variable", "PingFang SC", sans-serif;
  letter-spacing: 0.06em;
  opacity: 0.72;
  white-space: pre-wrap;
  max-width: 46rem;
  pointer-events: none;
}

.board-tpl-cap { flex: 1 1 16rem; min-width: 9rem; }

/* 浏览态：模板只作为定位容器，边框与标题栏全部隐藏，只留说明文字 */
body.board-view-mode .board-template {
  border-color: transparent !important;
  background: none !important;
}

body.board-view-mode .board-tpl-head,
body.board-view-mode .board-slot,
body.board-view-mode .board-tpl-resize {
  display: none !important;
}

body.board-view-mode .board-caption {
  opacity: 0.75;
}

/* 相册照片：从上往下渐进显示（艺术模式） */
.board-item.js-reveal {
  clip-path: inset(0 0 100% 0);
  opacity: 0;
  --reveal-delay: 0ms;
  animation: none;
}

.board-item.js-reveal.is-revealed {
  animation: boardPhotoReveal 1700ms cubic-bezier(0.16, 0.84, 0.3, 1) var(--reveal-delay) both;
}

@keyframes boardPhotoReveal {
  0% {
    clip-path: inset(0 0 100% 0);
    opacity: 0;
  }
  55% { opacity: 1; }
  100% {
    clip-path: inset(0 0 0 0);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .board-item.js-reveal,
  .board-item.js-reveal.is-revealed {
    clip-path: none;
    opacity: 1;
    animation: none;
  }
}