:root {
  --main-text: #4a3b32;
  --accent: #d97736;
  --border-color: #ebdccb;
  --card-bg: rgba(255, 255, 255, 0.96);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  background: #fbf8f3;
}

#viewport {
  width: 100vw;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

#world-slider {
  display: flex;
  width: 300vw;
  height: 100%;
  transition: transform 0.45s cubic-bezier(0.25, 1, 0.5, 1);
}

.room-scene {
  width: 100vw;
  height: 100%;
  position: relative;
  flex-shrink: 0;
  overflow: hidden;
}

/* 房間 1: 客廳 */
#room-living { background: #fbf8f3; }
#room-living .floor {
  background: repeating-linear-gradient(45deg, #f2dec4 0px, #f2dec4 16px, #e7cca9 16px, #e7cca9 22px),
              repeating-linear-gradient(-45deg, #ebd2b0 0px, #ebd2b0 24px, #dfbe93 24px, #dfbe93 30px);
  border-top: 8px solid #c9a474;
  box-shadow: inset 0 12px 24px rgba(110, 80, 50, 0.12);
}

/* 房間 2: 活動室 */
#room-play { background: #f4faf8; }
#room-play .floor {
  background: radial-gradient(circle at 50% 50%, #ffffff 2px, transparent 0) 0 0/16px 16px,
              radial-gradient(circle at 0 0, #e9ecef 2px, transparent 0) 8px 8px/16px 16px,
              #f8f9fa;
  border-top: 8px solid #ced4da;
  box-shadow: inset 0 12px 20px rgba(0, 0, 0, 0.04);
}

/* 房間 3: 露天庭院 */
#room-garden { background: linear-gradient(180deg, #d8f3dc 0%, #b7e4c7 50%, #95d5b2 100%); }
#room-garden .floor {
  background: repeating-linear-gradient(90deg, #74c69d 0px, #74c69d 40px, #52b788 40px, #52b788 44px);
  border-top: 8px solid #2d6a4f;
  box-shadow: inset 0 14px 20px rgba(27, 67, 50, 0.15);
}

.garden-flora-bg {
  position: absolute;
  bottom: 40%;
  left: 0;
  width: 100%;
  height: 60px;
  pointer-events: none;
  background-image: radial-gradient(circle at 15% 40%, #ffb703 6px, transparent 7px),
                    radial-gradient(circle at 35% 30%, #e76f51 5px, transparent 6px),
                    radial-gradient(circle at 65% 35%, #ffd166 6px, transparent 7px),
                    radial-gradient(circle at 85% 25%, #ffb703 5px, transparent 6px);
  opacity: 0.85;
}

.floor {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 44%;
}

.wall-window {
  position: absolute;
  top: 13%;
  left: 7%;
  width: 100px;
  height: 125px;
  background: #eef7fc;
  border: 5px solid #fff;
  border-radius: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 4px;
  pointer-events: none;
}
.wall-window div { background: rgba(255,255,255,0.45); border-radius: 3px; }

/* 左右導覽箭頭 */
.room-nav-btn {
  position: absolute;
  top: 45%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(74, 59, 50, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 35;
}
.room-nav-btn svg { width: 18px; height: 18px; stroke: var(--main-text); stroke-width: 2.5; fill: none; }
#btn-prev-room { left: 8px; }
#btn-next-room { right: 8px; }

.room-indicator {
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  padding: 3px 14px;
  border-radius: 14px;
  font-size: 11px;
  font-weight: bold;
  color: var(--main-text);
  z-index: 20;
  white-space: nowrap;
}

/* 頂部 HUD (極簡大器版) */
.top-bar {
  position: absolute;
  top: env(safe-area-inset-top, 12px);
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 40;
}
.hud-pill {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  padding: 6px 12px;
  border-radius: 18px;
  box-shadow: 0 3px 10px rgba(74, 59, 50, 0.08);
  display: flex;
  gap: 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--main-text);
  border: 1px solid var(--border-color);
  white-space: nowrap;
}
.hud-actions {
  display: flex;
  gap: 6px;
  align-items: center;
  position: relative;
}
.btn-pill-icon {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 3px 10px rgba(74, 59, 50, 0.08);
  transition: transform 0.15s ease;
}
.btn-pill-icon:active { transform: scale(0.92); }

/* 下拉式優雅功能選單 */
#dropdownMenu {
  position: absolute;
  top: 42px;
  right: 0;
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 4px;
  min-width: 120px;
  box-shadow: 0 10px 25px rgba(74, 59, 50, 0.18);
  z-index: 60;
  animation: dropMenuAnim 0.2s cubic-bezier(0.2, 0.9, 0.3, 1);
}
#dropdownMenu.show { display: flex; }
@keyframes dropMenuAnim {
  from { opacity: 0; transform: translateY(-8px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.dropdown-item {
  background: transparent;
  border: none;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: bold;
  color: var(--main-text);
  text-align: left;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.dropdown-item:active { background: rgba(217, 119, 54, 0.12); }

.build-banner {
  position: absolute;
  top: 92px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(217, 119, 54, 0.95);
  color: #fff;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 10.5px;
  font-weight: bold;
  z-index: 50;
  display: none;
  white-space: nowrap;
}

/* 房間專屬圖層 */
.furniture-layer {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;
}
.poop-layer {
  position: absolute;
  inset: 0;
  z-index: 7;
  pointer-events: none;
}
.poop-pellet {
  position: absolute;
  width: 14px;
  height: 9px;
  background: #3c2a21;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0,0,0,0.25);
  cursor: pointer;
  pointer-events: auto;
  touch-action: manipulation;
  animation: poopPop 0.2s ease-out;
}
.poop-pellet::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: transparent;
}
@keyframes poopPop { from { transform: scale(0); } to { transform: scale(1); } }

.placed-furniture {
  position: absolute;
  touch-action: none;
  cursor: pointer;
  pointer-events: auto;
}
.placed-furniture.in-building {
  outline: 2px dashed rgba(217, 119, 54, 0.4);
  border-radius: 8px;
}
.placed-furniture.is-selected {
  outline: 2px solid var(--accent) !important;
  background: rgba(217, 119, 54, 0.08);
  border-radius: 8px;
}
.furni-ctrl-bubble {
  position: absolute;
  top: -36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  background: rgba(255, 255, 255, 0.95);
  padding: 3px 8px;
  border-radius: 14px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.18);
  border: 1px solid var(--border-color);
  z-index: 50;
  white-space: nowrap;
}
.ctrl-btn-bubble {
  border: none;
  background: var(--card-bg);
  font-size: 11px;
  font-weight: bold;
  color: var(--main-text);
  padding: 3px 6px;
  border-radius: 8px;
  cursor: pointer;
}

.spinning-wheel {
  animation: spinWheel 0.35s linear infinite;
  transform-origin: 50% 50%;
}
@keyframes spinWheel { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* 建造模式底層倉庫面板 */
#buildWarehousePanel {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 130px;
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
  z-index: 60;
  display: none;
  flex-direction: column;
  padding: 8px 12px;
}
.warehouse-scroll-list {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  flex-grow: 1;
  align-items: center;
}
.warehouse-item-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 6px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  min-width: 90px;
}

/* 倉鼠層與動作 */
.hamster-layer {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}
.hamster-entity {
  position: absolute;
  width: 76px;
  height: 76px;
  cursor: grab;
  touch-action: none;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease-out, opacity 0.3s;
}
.hamster-entity.held { cursor: grabbing; animation: panicShake 0.12s infinite alternate; }
.hamster-entity.walking svg.hamster-svg { animation: walkWaddle 0.2s infinite alternate ease-in-out; }
.hamster-entity.sleeping { opacity: 0.25; filter: blur(0.5px); }
.hamster-entity.sand-bathing svg.hamster-svg { animation: sandRoll 0.22s infinite alternate ease-in-out; }
.hamster-entity.fighting { animation: fightShake 0.08s infinite alternate !important; }

@keyframes walkWaddle { from { transform: rotate(-6deg); } to { transform: rotate(6deg); } }
@keyframes panicShake { from { transform: scale(1.08) rotate(-8deg); } to { transform: scale(1.08) rotate(8deg); } }
@keyframes sandRoll { from { transform: rotate(-35deg) scale(0.9); } to { transform: rotate(35deg) scale(0.9); } }
@keyframes fightShake { from { transform: translate(-4px, -2px) scale(1.1); } to { transform: translate(4px, 2px) scale(1.1); } }

.hamster-hat-slot {
  position: absolute;
  top: -14px;
  width: 48px;
  height: 32px;
  z-index: 12;
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: center;
}
.gender-badge {
  position: absolute;
  bottom: -6px;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  color: #fff;
  font-weight: bold;
}
.badge-male { background: #3a86ff; }
.badge-female { background: #ff006e; }

/* 底部 Dock */
.dock-wrapper {
  position: absolute;
  bottom: calc(env(safe-area-inset-bottom, 16px) + 12px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 35;
  display: flex;
  align-items: center;
  gap: 6px;
}
.dock {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  padding: 6px 10px;
  border-radius: 24px;
  box-shadow: 0 8px 24px rgba(74, 59, 50, 0.12);
  display: flex;
  gap: 6px;
  border: 1px solid var(--border-color);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.dock.collapsed {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.8) translateY(24px);
  position: absolute;
}
.dock-btn {
  background: transparent;
  border: none;
  padding: 4px 8px;
  border-radius: 14px;
  font-size: 11px;
  font-weight: 600;
  color: var(--main-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
  white-space: nowrap;
}
.dock-btn svg { width: 20px; height: 20px; stroke: var(--main-text); stroke-width: 2; fill: none; }
.dock-btn:active { transform: scale(0.92); }

.toggle-dock-btn {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  box-shadow: 0 6px 16px rgba(74, 59, 50, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.toggle-dock-btn svg {
  width: 20px;
  height: 20px;
  stroke: var(--main-text);
  stroke-width: 2.2;
  fill: none;
  transition: transform 0.3s ease;
}
.toggle-dock-btn.is-collapsed svg { transform: rotate(180deg); }

/* 食物與粒子 */
.sunflower-seed {
  position: absolute;
  width: 16px;
  height: 24px;
  background: #3e3228;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  border: 2px solid #5a4b3d;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  pointer-events: none;
  z-index: 8;
  animation: seedDrop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  transition: opacity 0.4s ease;
}
.sunflower-seed::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 3px;
  width: 3px;
  height: 14px;
  background: #fdfbf7;
  border-radius: 3px;
  opacity: 0.8;
}
@keyframes seedDrop {
  0% { transform: translateY(-30px) scale(0.4); opacity: 0; }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}
.action-bubble {
  position: absolute;
  font-size: 20px;
  pointer-events: none;
  animation: floatUp 0.8s ease-out forwards;
  z-index: 30;
}
@keyframes floatUp {
  0% { opacity: 1; transform: translateY(0) scale(0.8); }
  100% { opacity: 0; transform: translateY(-36px) scale(1.2); }
}

/* 輕量 Toast 通知 */
#toastBox {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%) translateY(-60px);
  background: rgba(45, 35, 30, 0.92);
  color: #fff;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 6px 18px rgba(0,0,0,0.2);
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  white-space: nowrap;
}
#toastBox.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* 彈窗 Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(45, 35, 30, 0.55);
  backdrop-filter: blur(5px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 100;
}
.modal-card {
  position: relative !important;
  background: #fdfaf6;
  padding: 24px 20px 20px 20px;
  border-radius: 22px;
  width: 90%;
  max-width: 360px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.25);
  max-height: 82vh;
  overflow-y: auto;
}
.modal-close-x {
  position: absolute !important;
  top: 12px !important;
  right: 12px !important;
  width: 30px !important;
  height: 30px !important;
  border-radius: 50% !important;
  background: rgba(74, 59, 50, 0.1) !important;
  border: none !important;
  font-size: 16px !important;
  font-weight: bold !important;
  line-height: 30px !important;
  text-align: center !important;
  color: var(--main-text) !important;
  cursor: pointer !important;
  z-index: 120 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 0 !important;
}
.modal-close-x:active {
  background: rgba(74, 59, 50, 0.25) !important;
}

.modal-title { font-size: 16px; color: var(--main-text); margin-bottom: 12px; text-align: center; }
.btn-action {
  background: var(--main-text);
  color: #fff;
  border: none;
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  margin-top: 10px;
  font-size: 13px;
}
.grid-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}
.card-item {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--main-text);
}
.preview-box {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  margin-bottom: 10px;
  font-size: 13px;
  outline: none;
  background: #fff;
}

/* 好友申請專屬動畫與細節卡片樣式 */
#friendRequestsSection {
  animation: fadeInDown 0.25s ease-out;
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

#authGate {
  position: fixed;
  inset: 0;
  background: rgba(251, 248, 243, 0.95);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.4s ease;
}
#authGate.unlocked { opacity: 0; pointer-events: none; }

.fitting-stage {
  width: 140px;
  height: 140px;
  margin: 10px auto;
  background: #faf4ed;
  border: 3px dashed var(--border-color);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

#minigame-screen {
  position: fixed;
  inset: 0;
  background: #fbf6ee;
  z-index: 150;
  display: none;
}
#game-canvas { width: 100%; height: 100%; }
.game-hud {
  position: absolute;
  top: env(safe-area-inset-top, 20px);
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  font-size: 16px;
  font-weight: bold;
  color: var(--main-text);
}