/* ============================================================
   海洋世界 · 主样式
   ============================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --hud-fg: rgba(220, 240, 255, 0.85);
  --hud-dim: rgba(200, 230, 255, 0.55);
  --btn-bg: rgba(10, 40, 80, 0.45);
  --btn-bg-hover: rgba(30, 80, 140, 0.65);
  --btn-border: rgba(150, 210, 255, 0.35);
  --accent: #ffd84d;
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #020a1c;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  touch-action: none;
  overscroll-behavior: none;
  /* 修复 iOS 长按弹系统菜单 */
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

body {
  position: fixed;
  inset: 0;
  height: 100%;
  min-height: -webkit-fill-available;
}

#ocean-canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

/* ===== HUD 基础 ===== */
.hud {
  position: fixed;
  z-index: 10;
  pointer-events: none;
  color: var(--hud-fg);
  text-shadow: 0 0 12px rgba(80, 180, 255, 0.6);
  user-select: none;
  -webkit-user-select: none;
}

/* 左上：标题 + 操作提示 */
.hud-top-left {
  top: calc(14px + var(--safe-t));
  left: calc(14px + var(--safe-l));
  font-size: 13px;
  line-height: 1.65;
  max-width: 62vw;
  padding: 8px 14px 9px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(4, 20, 42, 0.5), rgba(4, 20, 42, 0.16));
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
}

.hud-top-left .title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 8px;
  line-height: 1.35;
  background: linear-gradient(90deg, #a8e6ff, #ffb3e6, #b3ffd9);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 1px 6px rgba(20, 60, 110, 0.85));
}

.hud-top-left .hint {
  opacity: 0.72;
  font-size: 12px;
  line-height: 1.6;
  transition: color 0.3s;
}
.hud-top-left .hint.feed {
  color: var(--accent);
  opacity: 0.95;
}

/* 右上：图鉴 + 时段 */
.hud-top-right {
  top: calc(14px + var(--safe-t));
  right: calc(14px + var(--safe-r));
  text-align: right;
  font-size: 12px;
  line-height: 1.7;
}

.hud-top-right .dex {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 20px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-variant-numeric: tabular-nums;
  transition: border-color 0.4s, color 0.4s;
}
.hud-top-right .dex.complete {
  border-color: var(--accent);
  color: var(--accent);
}

.hud-top-right .phase {
  margin-top: 6px;
  opacity: 0.6;
  font-size: 11px;
  letter-spacing: 1px;
}

/* 右下：按钮组 */
.hud-bottom-right {
  bottom: calc(14px + var(--safe-b));
  right: calc(14px + var(--safe-r));
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  justify-content: flex-end;
  max-width: calc(100vw - 28px - var(--safe-l) - var(--safe-r));
}

/* 左下：品牌 + FPS */
.hud-bottom-left {
  bottom: calc(12px + var(--safe-b));
  left: calc(12px + var(--safe-l));
  font-size: 10.5px;
  letter-spacing: 1px;
  line-height: 1.6;
  padding: 5px 10px;
  border-radius: 10px;
  background: rgba(4, 18, 38, 0.42);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: rgba(210, 235, 255, 0.62);
}

/* ===== 按钮 ===== */
.btn {
  pointer-events: auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #cfeaff;
  font-size: 17px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s, background 0.2s, border-color 0.2s, color 0.2s;
}
.btn:hover { background: var(--btn-bg-hover); transform: scale(1.08); }
.btn:active { transform: scale(0.94); }
.btn.muted { opacity: 0.42; }
.btn.active {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 16px rgba(255, 216, 77, 0.35);
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(84px + var(--safe-b));
  transform: translate(-50%, 12px);
  z-index: 20;
  padding: 9px 20px;
  border-radius: 22px;
  border: 1px solid rgba(255, 220, 120, 0.5);
  background: rgba(8, 30, 60, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #ffe9a8;
  font-size: 13px;
  letter-spacing: 1px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s, transform 0.35s;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ===== Loader ===== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #020a1c;
  color: #a8d8ff;
  font-size: 16px;
  letter-spacing: 4px;
  transition: opacity 0.8s;
}
.loader.hide { opacity: 0; pointer-events: none; }

/* ===== 游戏首页（欢迎 + 池塘命名） ===== */
.home {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(3, 14, 32, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: opacity 0.6s ease, visibility 0.6s;
}
.home.hide { opacity: 0; visibility: hidden; pointer-events: none; }

.home-card {
  width: 100%;
  max-width: 420px;
  text-align: center;
  color: var(--hud-fg);
}

.home-jelly {
  font-size: 52px;
  line-height: 1;
  margin-bottom: 14px;
  animation: homeFloat 3.6s ease-in-out infinite;
}
@keyframes homeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.home-welcome {
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--hud-dim);
  margin-bottom: 6px;
}

.home-title {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 26px;
  color: #eaf6ff;
  text-shadow: 0 0 24px rgba(120, 200, 255, 0.35);
}

.home-prompt {
  font-size: 13px;
  color: var(--hud-dim);
  margin-bottom: 10px;
}

.home-input {
  width: 100%;
  padding: 13px 18px;
  font-size: 16px; /* ≥16px 防 iOS 聚焦自动缩放 */
  font-family: inherit;
  text-align: center;
  color: #eaf6ff;
  background: rgba(10, 40, 80, 0.55);
  border: 1px solid var(--btn-border);
  border-radius: 12px;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  -webkit-user-select: text;
  user-select: text;
}
.home-input::placeholder { color: rgba(200, 230, 255, 0.35); }
.home-input:focus {
  border-color: rgba(150, 210, 255, 0.8);
  box-shadow: 0 0 0 3px rgba(90, 170, 255, 0.18);
}

.home-start {
  margin-top: 18px;
  padding: 13px 24px;
  font-size: 15px;
  letter-spacing: 1px;
  color: #eaf6ff;
  background: rgba(30, 90, 150, 0.6);
  border: 1px solid rgba(150, 210, 255, 0.45);
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.25s, transform 0.15s;
  -webkit-user-select: none;
  user-select: none;
}
.home-start:hover { background: rgba(40, 115, 185, 0.75); }
.home-start:active { transform: scale(0.97); }

.home-hint {
  margin-top: 14px;
  font-size: 11px;
  color: rgba(200, 230, 255, 0.4);
  letter-spacing: 1px;
}

/* 左上角池塘标题：可点击改名 */
.hud-top-left .title.renamed { cursor: pointer; }
.hud-top-left .title.renamed:hover { color: #ffffff; }

/* ===== 英文排版调整（中文 letter-spacing 在英文下过散） ===== */
html[lang="en"] .hud-top-left .title { letter-spacing: 0.5px; font-size: 18px; }
html[lang="en"] .loader { letter-spacing: 1.5px; }
html[lang="en"] .hud-bottom-left { letter-spacing: 0.6px; }
html[lang="en"] .toast { letter-spacing: 0.3px; }

/* ===== 移动端 ===== */
@media (max-width: 480px) {
  .hud-top-left {
    font-size: 11px;
    max-width: 62vw;
    padding: 7px 11px 8px;
  }
  .hud-top-left .title { font-size: 15px; margin-bottom: 5px; }
  /* 修复：不再隐藏操作提示，缩小显示 */
  .hud-top-left .hint {
    font-size: 10px;
    opacity: 0.6;
    line-height: 1.55;
  }
  .hud-top-right { font-size: 11px; }
  .hud-top-right .dex { padding: 4px 9px; }
  .btn { width: 36px; height: 36px; font-size: 14px; }
  .hud-bottom-right { gap: 6px; }
  /* 移动端隐藏左下角文字，避免与按钮组重叠 */
  .hud-bottom-left { display: none; }
  .toast { font-size: 12px; padding: 8px 16px; bottom: calc(66px + var(--safe-b)); }
}

/* 横屏：压缩纵向占用 */
@media (orientation: landscape) and (max-height: 480px) {
  .hud-top-left .title { font-size: 14px; margin-bottom: 2px; }
  .hud-top-left .hint { font-size: 10px; }
  .hud-top-right .phase { display: none; }
  .btn { width: 38px; height: 38px; }
  .hud-bottom-left { display: none; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .btn, .toast, .loader { transition: none; }
}