/* ============================================================
   LoveElysia Theme — Layout & Structure
   ============================================================ */

.main-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: calc(var(--layout-gap) * 1dvh);
  width: 100%;
  padding: calc(var(--pad-top) * 1dvh) calc(2vw);
  padding-bottom: calc(var(--pad-bottom) * 1dvh);
  position: relative;
  z-index: 2;
}

/* 首帧布局就绪后才启用变换过渡，避免初始加载抖动 */
.layout-ready .main-container {
  transition:
    flex-direction 0.5s ease,
    gap 0.5s ease,
    padding 0.5s ease;
}
.layout-ready .clock-face {
  transition:
    opacity 0.6s ease,
    width 0.5s ease,
    height 0.5s ease,
    box-shadow 0.5s ease;
}
.layout-ready .totem-svg {
  transition:
    width 0.5s ease,
    height 0.5s ease;
}
.layout-ready .svg-stage {
  transition: width 0.5s ease;
}
.layout-ready h1,
.layout-ready .subtitle,
.layout-ready .digital-clock,
.layout-ready .contact-badge,
.layout-ready .footer {
  transition: font-size 0.5s ease;
}

/* ============================================================
   进场动效：遮罩撤除后各元素依次渐入
   ============================================================ */
.page-loader.done ~ * .nav-links .btn-base,
.page-loader.done ~ * .ctrl-toggle,
.page-loader.done ~ * #loveelysia-panel-btn {
  opacity: 0;
  animation: entranceFadeIn 0.6s ease forwards;
}
.page-loader.done ~ * .nav-links .btn-base:nth-child(1) {
  animation-delay: 0.05s;
}
.page-loader.done ~ * .nav-links .btn-base:nth-child(2) {
  animation-delay: 0.15s;
}
.page-loader.done ~ * .nav-links .btn-base:nth-child(3) {
  animation-delay: 0.25s;
}
.page-loader.done ~ * .nav-links .btn-base:nth-child(4) {
  animation-delay: 0.35s;
}
.page-loader.done ~ * .ctrl-toggle {
  animation-delay: 0.45s;
}
.page-loader.done ~ * #loveelysia-panel-btn {
  animation-delay: 0.55s;
}

@keyframes entranceFadeIn {
  0% {
    opacity: 0;
    transform: translateY(1dvh) scale(0.95);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 遮罩未撤除时强制隐藏进场元素，防止 flash */
.page-loader:not(.done) ~ * .nav-links .btn-base,
.page-loader:not(.done) ~ * .ctrl-toggle,
.page-loader:not(.done) ~ * #loveelysia-panel-btn {
  opacity: 0 !important;
  animation: none !important;
}

.svg-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  contain: layout style;
}

.totem-svg {
  display: block;
  width: var(--totem-size);
  height: var(--totem-size);
  object-fit: contain;
  filter: blur(2px);
  opacity: 0.6;
  pointer-events: none;
  user-select: none;
  position: relative;
  z-index: 0;
}

.stage-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: calc(1dvh);
  pointer-events: none;
}
.stage-overlay > * {
  pointer-events: auto;
}

/* ---- 标题 ---- */
h1 {
  font-family: var(--font-heading);
  font-size: calc(var(--font-base) * var(--ratio-h1));
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  text-shadow:
    0 0 0.04em var(--color-glow),
    0 0 0.1em rgba(255, 130, 200, 0.5),
    0 0 0.2em rgba(180, 120, 255, 0.25);
  position: relative;
  z-index: 2;
  pointer-events: none;
  user-select: none;
  text-align: center;
  white-space: nowrap;
}

/* ---- 语录 ---- */
.subtitle {
  /* 固定语录 = 装饰性 C/D 类，字号比 = --ratio-quote = 1 */
  font-size: calc(var(--font-base) * var(--ratio-quote));
  color: var(--color-primary);
  letter-spacing: 0.12em;
  font-style: italic;
  font-weight: 800;
  opacity: 0.9;
  position: relative;
  text-align: center;
  overflow-wrap: break-word;
  max-width: var(--totem-size);
  box-sizing: border-box;
  text-shadow:
    0 0 0.06em var(--color-glow),
    0 0 0.15em var(--color-glow),
    0 0 0.3em rgba(180, 120, 255, 0.3);
  pointer-events: none;
  user-select: none;
}

/* ---- 导航按钮 ---- */
.nav-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: calc((1dvh + 1vw) / 2.5);
  max-width: var(--totem-size);
  box-sizing: border-box;
  width: fit-content;
}

.btn-base {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc((1dvh + 1vw) / 3);
  padding: max(8px, calc(0.8dvh)) max(12px, calc(1.5vw));
  text-decoration: none;
  line-height: 1;
  min-height: calc(var(--font-base) * var(--ratio-btn-min-h));
  font-size: calc(var(--font-base) * var(--ratio-btn));
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.2dvh;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}
@media (hover: hover) {
  .btn-base:hover {
    background: rgba(255, 105, 180, 0.12);
    border-color: rgba(255, 105, 180, 0.3);
    color: white;
    transform: translateY(calc(-0.35dvh)) scale(1.02);
    box-shadow:
      0 1dvh 3dvh rgba(255, 105, 180, 0.15),
      0 0 0 1px rgba(255, 105, 180, 0.25) inset;
  }
}
.btn-base:active {
  transform: scale(0.97);
  transition: transform 0.1s;
  background: rgba(255, 105, 180, 0.2);
}

/* ---- 页脚 ---- */
.footer {
  font-size: calc(var(--font-base) * var(--ratio-footer));
  color: rgba(255, 255, 255, 0.14);
  letter-spacing: 0.12em;
  pointer-events: none;
  user-select: none;
}

/* ============================================================
   双栏布局（JS 判定后为 :root 添加 .layout-dual 类）
   .main-container → row，clock-face 与 svg-stage 各占一半自然居中
   ============================================================ */
.layout-dual .main-container {
  flex-direction: row;
  align-items: center;
  justify-content: center;
  column-gap: calc(var(--dual-column-gap) * 1dvw);
}

.layout-dual .clock-face {
  flex-shrink: 0;
  /* width/height 由 --hero-size 正方形约束，box-shadow 保持正圆 */
}

.layout-dual .svg-stage {
  flex-shrink: 0;
  width: var(--stage-width);
}