/* ===== 游戏中心 /game/ ===== */
.kg-hub__intro {
  margin: 0.4rem 0 1.2rem;
  color: var(--font-color);
  opacity: 0.85;
}

.kg-hub__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1rem;
}

.kg-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.3rem 1.3rem 1.15rem;
  border-radius: 14px;
  background: var(--card-bg, #fff);
  border: 1px solid rgba(73, 177, 245, 0.2);
  color: var(--font-color);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.kg-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 120% 45% at 50% -12%, rgba(93, 183, 242, 0.14), transparent 70%);
  pointer-events: none;
}

.kg-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(60, 100, 140, 0.22);
}

[data-theme='dark'] .kg-card {
  background: linear-gradient(160deg, #10344e 0%, #0b2438 62%, #081b2b 100%);
  border-color: rgba(120, 195, 250, 0.2);
  color: #dcecf7;
}

[data-theme='dark'] .kg-card::after {
  background:
    radial-gradient(ellipse 120% 45% at 50% -12%, rgba(93, 183, 242, 0.28), transparent 70%);
}

[data-theme='dark'] .kg-card:hover {
  box-shadow: 0 14px 34px rgba(6, 30, 50, 0.4);
}

.kg-card__emoji {
  font-size: 2.1rem;
  line-height: 1;
}

.kg-card h2 {
  margin: 0 !important;
  padding: 0 !important;
  font-size: 1.25rem !important;
  color: var(--font-color) !important;
  border: 0 !important;
}

.kg-card h2::before {
  display: none !important;
}

.kg-card p {
  margin: 0 !important;
  font-size: 0.88rem;
  line-height: 1.7;
  color: #5f7382;
}

.kg-card__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.3rem 0.8rem;
  margin-top: 0.2rem;
  font-family: var(--kitchas-mono, monospace);
  font-size: 0.74rem;
  color: #7d99ac;
}

[data-theme='dark'] .kg-card h2 {
  color: #fff !important;
}

[data-theme='dark'] .kg-card p {
  color: #b9d2e2;
}

[data-theme='dark'] .kg-card__meta {
  color: #7fa8c2;
}

.kg-card__btn {
  align-self: flex-start;
  margin-top: 0.45rem;
  padding: 0.42rem 1.15rem;
  border: 0;
  border-radius: 999px;
  background: #49b1f5;
  color: #04121e;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.kg-card__btn:hover {
  background: #6fc3ff;
  transform: translateY(-1px);
}

.kg-hub__tip {
  margin-top: 1.3rem !important;
  font-size: 0.82rem;
  opacity: 0.65;
}

/* ===== 全屏游戏容器 ===== */
#kitchas-game-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  flex-direction: column;
  background: #04121e;
  color: #dcecf7;
  touch-action: none;
}

#kitchas-game-overlay.kg-open {
  display: flex;
}

.kg-topbar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
  height: 2.6rem;
  padding: 0 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  font-family: var(--kitchas-mono, monospace);
  font-size: 0.85rem;
}

.kg-topbar__title {
  font-weight: 700;
  color: #8fd0ff;
}

.kg-topbar__close {
  margin-left: auto;
  padding: 0.25rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: transparent;
  color: #dcecf7;
  font-size: 0.78rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.kg-topbar__close:hover {
  background: rgba(255, 255, 255, 0.12);
}

.kg-stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.kg-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--kitchas-mono, monospace);
  color: #7fa8c2;
}

/* ===== 深潜者 ===== */
.kg-diver-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: pointer;
}

.kg-diver-hud {
  position: absolute;
  top: 0.7rem;
  left: 0.9rem;
  right: 0.9rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  pointer-events: none;
  font-family: var(--kitchas-mono, monospace);
}

.kg-diver-hud__depth {
  font-size: 1.25rem;
  font-weight: 700;
  color: #dff2ff;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
}

.kg-diver-hud__best {
  font-size: 0.75rem;
  color: #9dc4dd;
}

.kg-o2 {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: #bfe3f9;
}

.kg-o2__bar {
  width: clamp(80px, 22vw, 160px);
  height: 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

.kg-o2__fill {
  height: 100%;
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #37d0a2, #49b1f5);
  transition: width 0.18s linear;
}

.kg-o2__fill.kg-o2--low {
  background: linear-gradient(90deg, #f2994a, #eb5757);
}

.kg-panel {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(88vw, 400px);
  padding: 1.5rem 1.4rem 1.3rem;
  border-radius: 16px;
  background: rgba(7, 26, 41, 0.92);
  border: 1px solid rgba(120, 190, 240, 0.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  text-align: center;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
}

.kg-panel h3 {
  margin: 0 0 0.55rem !important;
  font-size: 1.3rem !important;
  color: #fff !important;
  border: 0 !important;
  padding: 0 !important;
}

.kg-panel p {
  margin: 0.25rem 0 !important;
  font-size: 0.88rem;
  line-height: 1.7;
  color: #b9d2e2;
}

.kg-panel .kg-panel__big {
  font-family: var(--kitchas-mono, monospace);
  font-size: 2rem;
  font-weight: 700;
  color: #8fd0ff;
  margin: 0.4rem 0 !important;
}

.kg-panel__btns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
  margin-top: 1rem;
}

.kg-btn {
  padding: 0.45rem 1.15rem;
  border: 0;
  border-radius: 999px;
  background: #49b1f5;
  color: #04121e;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.kg-btn:hover {
  background: #6fc3ff;
}

.kg-btn--ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #dcecf7;
  font-weight: 400;
}

.kg-btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.kg-panel--rules {
  width: min(92vw, 460px);
  text-align: left;
  max-height: 86%;
  overflow-y: auto;
}

.kg-rules-steps {
  margin: 0.6rem 0 0 !important;
  padding-left: 1.2rem !important;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.86rem;
  line-height: 1.7;
  color: #b9d2e2;
}

.kg-rules-steps b {
  color: #8fd0ff;
}

/* ===== 深海回声 ===== */
.kg-sonar {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 0.8rem 1rem;
  overflow-y: auto;
}

.kg-sonar__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.4rem 1.1rem;
  font-family: var(--kitchas-mono, monospace);
  font-size: 0.82rem;
  color: #9dc4dd;
}

.kg-sonar__head b {
  color: #8fd0ff;
}

.kg-sonar__rules {
  max-width: 560px;
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: #7fa8c2;
  text-align: center;
}

.kg-sonar__grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  width: min(92vw, 62vh, 460px);
  aspect-ratio: 1;
  padding: 8px;
  border-radius: 12px;
  background:
    radial-gradient(circle at 32% 28%, rgba(60, 130, 180, 0.14), transparent 55%),
    radial-gradient(circle at 72% 70%, rgba(40, 110, 160, 0.1), transparent 50%),
    #071626;
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.55);
}

.kg-sonar__cell {
  position: relative;
  border: 0;
  border-radius: 5px;
  background: rgba(120, 180, 225, 0.07);
  color: #dff2ff;
  font-family: var(--kitchas-mono, monospace);
  font-size: clamp(0.7rem, 2.6vmin, 1.02rem);
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.15s ease, box-shadow 0.15s ease;
  padding: 0;
}

.kg-sonar__cell:hover:not(:disabled) {
  background: rgba(120, 190, 240, 0.22);
  box-shadow: inset 0 0 0 1px rgba(140, 200, 245, 0.5);
}

.kg-sonar__cell:disabled {
  cursor: default;
}

.kg-sonar__cell.kg-cell--ping {
  background: var(--kg-heat, rgba(73, 177, 245, 0.25));
}

.kg-sonar__cell.kg-cell--whale {
  background: rgba(150, 120, 220, 0.3);
}

.kg-sonar__cell.kg-cell--dive-win {
  background: #2ea15f;
  box-shadow: 0 0 14px rgba(70, 220, 140, 0.7);
}

.kg-sonar__cell.kg-cell--dive-miss {
  background: rgba(235, 87, 87, 0.55);
}

.kg-sonar__cell.kg-cell--treasure {
  background: rgba(242, 153, 74, 0.55);
}

.kg-sonar__ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  border: 2px solid rgba(140, 210, 255, 0.9);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: kg-ring 0.7s ease-out forwards;
}

@keyframes kg-ring {
  to {
    width: 300%;
    height: 300%;
    opacity: 0;
  }
}

.kg-sonar__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
}

.kg-sonar__actions .kg-btn.kg-btn--armed {
  background: #f2994a;
  box-shadow: 0 0 12px rgba(242, 153, 74, 0.55);
}

.kg-sonar__msg {
  min-height: 1.3em;
  font-size: 0.85rem;
  color: #cfe6f5;
  text-align: center;
}

@media (max-width: 600px) {
  .kg-sonar__rules {
    font-size: 0.72rem;
  }
}

/* ===== 背包 ===== */
#kbag-fab {
  position: fixed;
  right: 1.1rem;
  bottom: 5.4rem;
  z-index: 95;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.05rem;
  padding: 0.55rem 0.7rem;
  border: 0;
  border-radius: 14px;
  background: linear-gradient(160deg, #1d5b84, #11405f);
  color: #dcecf7;
  font-size: 1.15rem;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(10, 40, 65, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

#kbag-fab span {
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

#kbag-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(10, 40, 65, 0.5);
}

.kbag-toast {
  position: fixed;
  top: 4.2rem;
  left: 50%;
  z-index: 10010;
  transform: translate(-50%, -12px);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: rgba(9, 33, 52, 0.94);
  color: #ffe9a8;
  font-size: 0.92rem;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0, 10, 20, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.kbag-toast small {
  margin-left: 0.4rem;
  color: #9dc4dd;
  font-weight: 400;
  font-size: 0.76rem;
}

.kbag-toast--show {
  opacity: 1;
  transform: translate(-50%, 0);
}

#kbag-panel-wrap {
  position: fixed;
  inset: 0;
  z-index: 10005;
  display: none;
}

#kbag-panel-wrap.kbag-open {
  display: block;
}

.kbag-mask {
  position: absolute;
  inset: 0;
  background: rgba(2, 10, 18, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.kbag-panel {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(92vw, 430px);
  max-height: 84vh;
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  background: rgba(7, 26, 41, 0.96);
  border: 1px solid rgba(120, 190, 240, 0.25);
  color: #dcecf7;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.kbag-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem 0.6rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.kbag-close {
  border: 0;
  background: transparent;
  color: #9dc4dd;
  font-size: 1rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
}

.kbag-close:hover {
  color: #fff;
}

.kbag-panel__tabs {
  display: flex;
  gap: 0.3rem;
  padding: 0 1rem 0.6rem;
}

.kbag-panel__tabs button {
  flex: 1;
  padding: 0.4rem 0;
  border: 1px solid rgba(120, 190, 240, 0.25);
  border-radius: 999px;
  background: transparent;
  color: #9dc4dd;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.kbag-panel__tabs button.kbag-tab--on {
  background: #49b1f5;
  border-color: #49b1f5;
  color: #04121e;
  font-weight: 700;
}

.kbag-panel__body {
  padding: 0.4rem 1rem 1.1rem;
  overflow-y: auto;
}

.kbag-coins {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  margin-bottom: 0.7rem;
  font-size: 1.15rem;
}

.kbag-coins b {
  color: #ffe9a8;
  font-family: var(--kitchas-mono, monospace);
}

.kbag-coins small {
  font-size: 0.72rem;
  color: #7fa8c2;
}

.kbag-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
  gap: 0.55rem;
}

.kbag-grid--shop {
  grid-template-columns: 1fr 1fr;
}

.kbag-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  padding: 0.6rem 0.4rem;
  border-radius: 10px;
  background: rgba(120, 180, 225, 0.08);
  border: 1px solid rgba(120, 190, 240, 0.16);
  text-align: center;
}

.kbag-item__emoji {
  font-size: 1.6rem;
  line-height: 1.2;
}

.kbag-item__name {
  font-size: 0.78rem;
}

.kbag-item__qty {
  font-family: var(--kitchas-mono, monospace);
  font-size: 0.72rem;
  color: #8fd0ff;
}

.kbag-item__desc {
  font-size: 0.68rem;
  color: #7fa8c2;
  line-height: 1.5;
  min-height: 2.1em;
}

.kbag-buy {
  margin-top: 0.25rem;
  padding: 0.28rem 0.8rem;
  border: 0;
  border-radius: 999px;
  background: #49b1f5;
  color: #04121e;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}

.kbag-buy:disabled {
  background: rgba(255, 255, 255, 0.14);
  color: #7fa8c2;
  cursor: not-allowed;
}

.kbag-empty {
  margin: 1rem 0 !important;
  text-align: center;
  color: #7fa8c2;
  font-size: 0.86rem;
}

.kbag-note {
  margin: 0.4rem 0 !important;
  font-size: 0.82rem;
  line-height: 1.7;
  color: #b9d2e2;
}

.kbag-note--dim {
  color: #5f7d92;
  font-family: var(--kitchas-mono, monospace);
  font-size: 0.72rem;
}

.kbag-row {
  display: flex;
  gap: 0.5rem;
  margin: 0.5rem 0;
}

.kbag-input {
  flex: 1;
  min-width: 0;
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  border: 1px solid rgba(120, 190, 240, 0.3);
  background: rgba(2, 14, 24, 0.6);
  color: #e8f4fd;
  font-family: var(--kitchas-mono, monospace);
  font-size: 0.85rem;
  outline: none;
}

.kbag-input:focus {
  border-color: #49b1f5;
}

.kbag-code {
  min-height: 1.2em;
  margin: 0.3rem 0;
  text-align: center;
}

.kbag-code b {
  display: block;
  font-family: var(--kitchas-mono, monospace);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  color: #ffe9a8;
}

.kbag-code span {
  font-size: 0.72rem;
  color: #f2994a;
}

.kbag-hr {
  border: 0;
  border-top: 1px solid rgba(120, 190, 240, 0.16);
  margin: 0.9rem 0;
}