/* 桌间漫游 · 访客指路层（不改动 office-navigator 混淆脚本）
 * 暖色半透明玻璃，贴近工作室木色/奶油墙，少挡 3D。
 */

:root {
  --wg-bg: rgba(255, 246, 235, 0.72);
  --wg-bg-solid: rgba(255, 248, 240, 0.88);
  --wg-bg-item: rgba(255, 255, 255, 0.48);
  --wg-fg: #4a3428;
  --wg-muted: rgba(74, 52, 40, 0.7);
  --wg-accent: #e08a5a;
  --wg-accent-soft: rgba(224, 138, 90, 0.22);
  --wg-border: rgba(196, 148, 110, 0.42);
  --wg-radius: 16px;
  --wg-z-dir: 40;
  --wg-z-welcome: 50;
  --wg-z-tip: 45;
  --wg-shadow: 0 8px 28px rgba(90, 55, 35, 0.14);
}

/* —— 弱化房间状态文案，别抢首屏 —— */
.site-shell .room-context {
  opacity: 0.22;
  z-index: 4;
  bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  transition: opacity 0.25s ease;
}
.site-shell:not(.has-selection) .room-context {
  opacity: 0.14;
}
.site-shell.has-selection .room-context {
  opacity: 0.92;
}
.site-shell .room-context p {
  font-size: 0.7rem;
  padding: 3px 9px;
  background: rgba(255, 246, 235, 0.4);
  color: rgba(74, 52, 40, 0.7);
  border: 1px solid rgba(196, 148, 110, 0.22);
  border-radius: 999px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.site-shell .room-context p.wsnail-guide-status-quiet,
.site-shell > p.sr-only[role="status"],
.site-shell > p.wsnail-guide-status-quiet {
  opacity: 0 !important;
  pointer-events: none !important;
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
}
@media (max-width: 720px) {
  .site-shell:not(.has-selection) .room-context {
    bottom: calc(108px + env(safe-area-inset-bottom, 0px));
    opacity: 0.08;
  }
}

/* —— 「房间全景」略暖，悬停说明更清楚 —— */
.site-shell .room-navigation {
  z-index: 8;
}
.site-shell .room-return {
  box-shadow: 0 3px 14px rgba(90, 55, 35, 0.12);
  border-color: rgba(196, 148, 110, 0.45);
  background: rgba(255, 246, 235, 0.55);
  color: var(--wg-fg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.site-shell .room-return:not(:disabled):hover,
.site-shell .room-return:not(:disabled):focus-visible {
  border-color: var(--wg-accent);
  background: rgba(255, 248, 240, 0.86);
}
.site-shell .room-return-hint {
  opacity: 0.42;
  font-size: 0.7rem;
}

/* 原 keyboard-projects 默认离屏；指路层启用后焦点可达 + 悬停说明 */
.site-shell.wsnail-guide-ready .keyboard-projects {
  position: absolute;
  left: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 6;
  display: none;
  flex-wrap: wrap;
  gap: 8px;
  max-width: calc(100% - 32px);
}
.site-shell.wsnail-guide-ready .keyboard-projects:focus-within {
  display: flex;
}
.site-shell.wsnail-guide-ready .keyboard-projects button {
  position: relative;
  border: 1px solid var(--wg-border);
  background: rgba(255, 246, 235, 0.82);
  color: var(--wg-fg);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.site-shell.wsnail-guide-ready .keyboard-projects button:hover,
.site-shell.wsnail-guide-ready .keyboard-projects button:focus-visible {
  border-color: var(--wg-accent);
  background: rgba(255, 248, 240, 0.96);
  transform: translateY(-1px);
}
.site-shell.wsnail-guide-ready .keyboard-projects button[data-wg-hint]:hover::after,
.site-shell.wsnail-guide-ready .keyboard-projects button[data-wg-hint]:focus-visible::after {
  content: attr(data-wg-hint);
  position: absolute;
  left: 0;
  bottom: calc(100% + 6px);
  z-index: 7;
  min-width: 10em;
  max-width: 16em;
  padding: 6px 8px;
  border-radius: 8px;
  background: var(--wg-bg-solid);
  border: 1px solid var(--wg-border);
  box-shadow: var(--wg-shadow);
  color: var(--wg-fg);
  font-size: 0.72rem;
  line-height: 1.35;
  white-space: normal;
  pointer-events: none;
}

/* —— 常驻「去哪里」目录 —— */
.wsnail-guide-dir {
  position: fixed;
  z-index: var(--wg-z-dir);
  right: calc(12px + env(safe-area-inset-right, 0px));
  top: 50%;
  transform: translateY(-50%);
  width: min(236px, calc(100vw - 24px));
  max-height: min(72vh, 560px);
  display: flex;
  flex-direction: column;
  gap: 0;
  color: var(--wg-fg);
  background: var(--wg-bg);
  border: 1px solid var(--wg-border);
  border-radius: var(--wg-radius);
  box-shadow: var(--wg-shadow);
  backdrop-filter: blur(12px) saturate(1.1);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  pointer-events: auto;
  overflow: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.wsnail-guide-dir[hidden] {
  display: none !important;
}
/* 移动端欢迎层打开时藏目录，避免叠卡片；桌面目录仍可见 */
@media (max-width: 720px) {
  .wsnail-guide-dir.is-welcome-hidden {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
  }
}
.wsnail-guide-dir__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--wg-border);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
}
.wsnail-guide-dir__head span[aria-hidden="true"] {
  color: var(--wg-accent);
  margin-right: 4px;
}
.wsnail-guide-dir__toggle {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--wg-muted);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 4px 6px;
  border-radius: 8px;
}
.wsnail-guide-dir__toggle:hover,
.wsnail-guide-dir__toggle:focus-visible {
  color: var(--wg-fg);
  background: var(--wg-accent-soft);
  outline: none;
}
.wsnail-guide-dir__list {
  list-style: none;
  margin: 0;
  padding: 8px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.wsnail-guide-dir__list a,
.wsnail-guide-dir__list button {
  position: relative;
  display: block;
  width: 100%;
  text-align: left;
  color: var(--wg-fg);
  text-decoration: none;
  background: var(--wg-bg-item);
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 12px;
  font: inherit;
  font-size: 0.9rem;
  line-height: 1.35;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.wsnail-guide-dir__list a:hover,
.wsnail-guide-dir__list a:focus-visible,
.wsnail-guide-dir__list button:hover,
.wsnail-guide-dir__list button:focus-visible {
  background: var(--wg-accent-soft);
  border-color: rgba(224, 138, 90, 0.5);
  outline: none;
  transform: translateY(-1px);
}
.wsnail-guide-dir__label {
  display: block;
  font-weight: 650;
}
.wsnail-guide-dir__hint {
  display: block;
  margin-top: 2px;
  font-size: 0.72rem;
  color: var(--wg-muted);
  font-weight: 400;
  opacity: 0.9;
}
.wsnail-guide-dir__list a:hover .wsnail-guide-dir__hint,
.wsnail-guide-dir__list a:focus-visible .wsnail-guide-dir__hint,
.wsnail-guide-dir__list button:hover .wsnail-guide-dir__hint,
.wsnail-guide-dir__list button:focus-visible .wsnail-guide-dir__hint {
  opacity: 1;
  color: var(--wg-fg);
}
.wsnail-guide-dir__foot {
  padding: 6px 12px 8px;
  border-top: 1px solid var(--wg-border);
  font-size: 0.68rem;
  color: var(--wg-muted);
  line-height: 1.4;
  opacity: 0.85;
}

/* 折叠态：仅保留小胶囊，避免挡 3D */
.wsnail-guide-dir.is-collapsed {
  width: auto;
  max-height: none;
  top: auto;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  right: calc(12px + env(safe-area-inset-right, 0px));
  transform: none;
}
.wsnail-guide-dir.is-collapsed .wsnail-guide-dir__list,
.wsnail-guide-dir.is-collapsed .wsnail-guide-dir__foot {
  display: none;
}
.wsnail-guide-dir.is-collapsed .wsnail-guide-dir__head {
  border-bottom: 0;
  padding: 10px 14px;
}

/* 移动端：底部强调目录 */
@media (max-width: 720px) {
  .wsnail-guide-dir {
    top: auto;
    bottom: 0;
    right: 0;
    left: 0;
    transform: none;
    width: 100%;
    max-width: none;
    max-height: min(52vh, 460px);
    border-radius: 18px 18px 0 0;
    border-left: 0;
    border-right: 0;
    border-bottom: 0;
    background: rgba(255, 246, 235, 0.88);
  }
  .wsnail-guide-dir.is-collapsed {
    width: auto;
    left: auto;
    right: calc(12px + env(safe-area-inset-right, 0px));
    bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    border-radius: 999px;
    border: 1px solid var(--wg-border);
  }
  .wsnail-guide-dir.is-collapsed .wsnail-guide-dir__head {
    font-size: 1.02rem;
    padding: 12px 18px;
  }
  .wsnail-guide-dir__head {
    font-size: 1.08rem;
    padding: 14px 16px;
  }
  .wsnail-guide-dir__list a,
  .wsnail-guide-dir__list button {
    padding: 13px 14px;
    font-size: 1rem;
    min-height: 48px;
  }
  .wsnail-guide-dir__hint {
    font-size: 0.78rem;
  }
}

/* 3D 可点击物件悬停时，点亮目录（网格本身无法改 hover 文案） */
body:has(.site-shell.has-hover) .wsnail-guide-dir,
body:has(.pointer-feedback.is-interactive) .wsnail-guide-dir {
  box-shadow: 0 0 0 2px rgba(224, 138, 90, 0.55), var(--wg-shadow);
}
.wsnail-guide-hover-tip {
  position: fixed;
  z-index: var(--wg-z-tip);
  left: 50%;
  top: calc(16px + env(safe-area-inset-top, 0px));
  transform: translateX(-50%) translateY(-8px);
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--wg-bg-solid);
  border: 1px solid var(--wg-border);
  box-shadow: var(--wg-shadow);
  color: var(--wg-fg);
  font-size: 0.78rem;
  font-weight: 600;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s;
}
body:has(.site-shell.has-hover) .wsnail-guide-hover-tip,
body:has(.pointer-feedback.is-interactive) .wsnail-guide-hover-tip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
@media (max-width: 720px) {
  .wsnail-guide-hover-tip {
    top: auto;
    bottom: calc(56px + env(safe-area-inset-bottom, 0px));
  }
}

/* —— 进站轻提示：轻遮罩 + 四大入口大按钮 —— */
.wsnail-guide-welcome {
  position: fixed;
  inset: 0;
  z-index: var(--wg-z-welcome);
  display: grid;
  place-items: center;
  padding: calc(16px + env(safe-area-inset-top, 0px)) 16px calc(16px + env(safe-area-inset-bottom, 0px));
  background: rgba(90, 55, 35, 0.18);
  pointer-events: auto;
  opacity: 0;
  transition: opacity 0.28s ease;
}
.wsnail-guide-welcome.is-visible {
  opacity: 1;
}
.wsnail-guide-welcome[hidden] {
  display: none !important;
}
.wsnail-guide-welcome__card {
  position: relative;
  width: min(420px, 100%);
  color: var(--wg-fg);
  background: var(--wg-bg-solid);
  border: 1px solid var(--wg-border);
  border-radius: 20px;
  box-shadow: var(--wg-shadow);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  padding: 20px 18px 14px;
}
.wsnail-guide-welcome__close {
  appearance: none;
  position: absolute;
  top: 8px;
  right: 8px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--wg-muted);
  cursor: pointer;
  font: inherit;
  font-size: 1.35rem;
  line-height: 1;
}
.wsnail-guide-welcome__close:hover,
.wsnail-guide-welcome__close:focus-visible {
  color: var(--wg-fg);
  background: var(--wg-accent-soft);
  outline: none;
}
.wsnail-guide-welcome__card h2 {
  margin: 0 28px 8px 0;
  font-size: 1.2rem;
  font-weight: 700;
}
.wsnail-guide-welcome__card > p {
  margin: 0 0 14px;
  color: var(--wg-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}
.wsnail-guide-welcome__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}
.wsnail-guide-welcome__actions a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  min-height: 64px;
  text-decoration: none;
  color: var(--wg-fg);
  background: var(--wg-bg-item);
  border: 1px solid var(--wg-border);
  border-radius: 14px;
  padding: 12px 14px;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.25;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.wsnail-guide-welcome__actions a:hover,
.wsnail-guide-welcome__actions a:focus-visible {
  background: var(--wg-accent-soft);
  border-color: rgba(224, 138, 90, 0.6);
  outline: none;
  transform: translateY(-1px);
}
.wsnail-guide-welcome__name {
  display: block;
}
.wsnail-guide-welcome__host {
  display: block;
  margin-top: 4px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--wg-muted);
  letter-spacing: 0.01em;
}
.wsnail-guide-welcome__dismiss {
  appearance: none;
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--wg-muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.92rem;
  padding: 10px;
  border-radius: 12px;
}
.wsnail-guide-welcome__dismiss:hover,
.wsnail-guide-welcome__dismiss:focus-visible {
  color: var(--wg-fg);
  background: rgba(255, 255, 255, 0.4);
  outline: none;
}

/* —— 厚涂质感保留，斑驳柔化（轻滤镜，勿糊 UI） —— */
.site-shell .scene canvas {
  filter: blur(0.4px) contrast(0.92) saturate(1.03) brightness(1.03);
}

/* 手机/触控：对 WebGL canvas 套 CSS filter 会迫使 GPU 读回像素，
   易出现黑屏、卡死、白屏或系统报「网页出错」。触控设备关闭滤镜。 */
@media (max-width: 820px), (hover: none), (pointer: coarse) {
  .site-shell .scene canvas {
    filter: none;
  }
}
.site-shell.is-impasto:not(.is-night) .scene-vignette {
  opacity: 0.12;
}
@media (prefers-reduced-motion: reduce) {
  .wsnail-guide-welcome,
  .wsnail-guide-dir,
  .wsnail-guide-dir__list a,
  .wsnail-guide-dir__list button,
  .wsnail-guide-welcome__actions a,
  .wsnail-guide-hover-tip {
    transition: none !important;
  }
  .site-shell .scene canvas {
    filter: contrast(0.95) brightness(1.02);
  }
}