:root {
  color-scheme: dark;
  --ink: #090908;
  --panel: rgba(19, 17, 15, 0.78);
  --panel-strong: rgba(16, 14, 13, 0.92);
  --paper: #efe2cc;
  --muted: #b8aa94;
  --line: rgba(239, 226, 204, 0.18);
  --red: #a3362e;
  --red-bright: #d15c47;
  --moss: #778762;
  --blue: #7f95a6;
  --gold: #c99d52;
  --shadow: 0 20px 80px rgba(0, 0, 0, 0.55);
  --radius: 8px;
  font-family:
    "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "Microsoft YaHei",
    serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  background: #0d0d0b;
  color: var(--paper);
}

button {
  font: inherit;
}

.game-shell {
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 22% 12%, rgba(163, 54, 46, 0.2), transparent 24%),
    radial-gradient(circle at 82% 6%, rgba(119, 135, 98, 0.18), transparent 24%),
    #0d0d0b;
}

.stage {
  position: relative;
  min-height: 100vh;
  isolation: isolate;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
}

.scene-image,
.ending-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scene-image {
  z-index: -4;
  filter: saturate(0.86) contrast(1.04) brightness(0.82);
  transform: scale(1.02);
  transition: opacity 360ms ease, filter 360ms ease;
}

.scene-tint {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(180deg, rgba(7, 7, 7, 0.66), rgba(7, 7, 7, 0.18) 42%, rgba(7, 7, 7, 0.86)),
    linear-gradient(90deg, rgba(22, 13, 10, 0.42), rgba(7, 7, 7, 0.08) 45%, rgba(5, 12, 13, 0.5));
}

.scene-grain {
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 5px 5px;
  mix-blend-mode: overlay;
}

.topbar {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(18px, 4vw, 44px);
  z-index: 4;
}

.topbar-title {
  flex: 0 0 auto;
  min-width: 110px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(1.55rem, 2.6vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0;
}

.topbar-actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  max-width: min(390px, 52vw);
}

.icon-btn {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 10, 9, 0.52);
  color: var(--paper);
  cursor: pointer;
  display: inline-grid;
  place-items: center;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.icon-btn:hover,
.choice-btn:hover,
.advance-btn:hover,
.tab-btn:hover,
.chapter-jump:hover {
  border-color: rgba(239, 226, 204, 0.42);
  background: rgba(37, 30, 25, 0.82);
}

.icon-btn:active,
.choice-btn:active,
.advance-btn:active,
.tab-btn:active,
.chapter-jump:active {
  transform: translateY(1px);
}

.icon-btn.active {
  border-color: rgba(201, 157, 82, 0.72);
  background: rgba(201, 157, 82, 0.18);
  color: #fff7e8;
}

.danger {
  color: #f2b2a9;
}

.status-panel {
  position: relative;
  z-index: 4;
  flex: 0 1 420px;
  width: min(420px, 34vw);
  min-width: 300px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(12, 12, 10, 0.5);
  backdrop-filter: blur(14px);
  transition: opacity 180ms ease, visibility 180ms ease;
}

.day-chip {
  color: var(--paper);
  font-size: 0.72rem;
  margin-bottom: 6px;
  line-height: 1.35;
}

.stat-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.stat-row {
  display: grid;
  grid-template-columns: auto minmax(28px, 1fr) auto;
  gap: 5px;
  align-items: center;
  color: var(--muted);
  font-size: 0.62rem;
}

.meter {
  height: 4px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(239, 226, 204, 0.12);
}

.meter > span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--moss), var(--gold), var(--red-bright));
  transition: width 280ms ease;
}

.sprite-layer {
  position: absolute;
  inset: 92px 0 0;
  z-index: 1;
  pointer-events: none;
  overflow: visible;
  transition: inset 220ms ease;
}

.sprite {
  position: absolute;
  bottom: 0;
  height: min(82vh, 760px);
  max-width: 38vw;
  object-fit: contain;
  object-position: center bottom;
  opacity: 0;
  filter: drop-shadow(0 26px 34px rgba(0, 0, 0, 0.5)) saturate(0.9) brightness(0.82);
  transform: translateY(10px) scale(0.98);
  transition: opacity 280ms ease, filter 280ms ease, transform 280ms ease;
}

.sprite.visible {
  opacity: 0.66;
}

.sprite.active {
  opacity: 1;
  filter: drop-shadow(0 28px 36px rgba(0, 0, 0, 0.58)) saturate(1.02) brightness(1);
  transform: translateY(0) scale(1);
}

.sprite.left {
  left: clamp(4px, 8vw, 120px);
}

.sprite.center {
  left: 50%;
  transform: translateX(-50%) translateY(10px) scale(0.98);
}

.sprite.center.active {
  transform: translateX(-50%) translateY(0) scale(1);
}

.sprite.right {
  right: clamp(4px, 8vw, 120px);
}

.stage.has-choices .sprite-layer {
  inset: 72px 0 0;
}

.stage.has-choices .sprite {
  height: min(76vh, 700px);
}

.stage.has-choices .sprite.left {
  left: clamp(320px, 26vw, 370px);
}

.dialogue-panel {
  align-self: end;
  justify-self: center;
  z-index: 5;
  width: min(1040px, calc(100vw - 32px));
  min-height: 174px;
  max-height: min(53vh, 380px);
  margin: 0 16px 24px;
  padding: 20px 22px 18px;
  border: 1px solid rgba(239, 226, 204, 0.22);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(21, 18, 15, 0.88), rgba(10, 10, 9, 0.9));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dialogue-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 12px;
}

.speaker-name {
  min-width: 86px;
  color: #fff7e8;
  font-size: 1.05rem;
  font-weight: 700;
}

.scene-tag {
  color: var(--muted);
  font-size: 0.78rem;
  text-align: right;
}

.dialogue-text {
  flex: 0 0 auto;
  min-height: 72px;
  margin: 0;
  color: #f5ead8;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  line-height: 1.75;
}

.advance-btn {
  align-self: flex-end;
  flex: 0 0 auto;
  min-width: 82px;
  min-height: 36px;
  margin-top: 12px;
  border: 1px solid rgba(239, 226, 204, 0.2);
  border-radius: var(--radius);
  background: rgba(239, 226, 204, 0.06);
  color: var(--paper);
  cursor: pointer;
}

.choices {
  display: grid;
  flex: 1 1 auto;
  gap: 8px;
  align-content: start;
  grid-auto-rows: max-content;
  margin-top: 12px;
  overflow: auto;
  padding-right: 4px;
  scrollbar-color: rgba(201, 157, 82, 0.62) rgba(239, 226, 204, 0.08);
}

.stage.many-choices .choices {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice-btn {
  width: 100%;
  min-height: 48px;
  padding: 8px 11px;
  border: 1px solid rgba(239, 226, 204, 0.2);
  border-radius: var(--radius);
  background: rgba(239, 226, 204, 0.07);
  color: var(--paper);
  text-align: left;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 12px;
  align-items: center;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.choice-btn.primary {
  border-color: rgba(209, 92, 71, 0.72);
  background: rgba(163, 54, 46, 0.28);
}

.choice-btn[disabled] {
  cursor: not-allowed;
  opacity: 0.5;
}

.choice-label {
  display: block;
  grid-column: 1;
  color: #fff8ec;
  font-weight: 700;
  line-height: 1.28;
}

.choice-note {
  display: block;
  grid-column: 1;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.34;
}

.choice-impact {
  display: inline-flex;
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  margin-top: 0;
  padding: 2px 6px;
  border: 1px solid rgba(201, 157, 82, 0.28);
  border-radius: 999px;
  color: #ecd0a0;
  font-size: 0.69rem;
  line-height: 1.3;
  white-space: nowrap;
}

.title-screen {
  position: fixed;
  inset: 0;
  z-index: 18;
  overflow: hidden;
  isolation: isolate;
  background: #0d0d0b;
}

.title-screen[hidden] {
  display: none;
}

.title-bg {
  position: absolute;
  inset: 0;
  z-index: -4;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.9) contrast(1.04) brightness(0.78);
}

.title-shade {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.26) 54%, rgba(0, 0, 0, 0.68)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.25), rgba(0, 0, 0, 0.86));
}

.title-menu {
  position: absolute;
  left: clamp(24px, 7vw, 88px);
  top: 50%;
  transform: translateY(-50%);
  width: min(380px, calc(100vw - 48px));
}

.title-menu h2 {
  margin: 0 0 24px;
  color: #fff8ec;
  font-size: clamp(3.2rem, 8vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: 0;
  text-shadow: 0 18px 34px rgba(0, 0, 0, 0.66);
}

.title-actions {
  display: grid;
  gap: 10px;
  width: min(280px, 100%);
}

.title-btn {
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid rgba(239, 226, 204, 0.22);
  border-radius: var(--radius);
  background: rgba(12, 11, 10, 0.62);
  color: var(--paper);
  text-align: left;
  cursor: pointer;
  backdrop-filter: blur(14px);
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.title-btn.primary {
  border-color: rgba(209, 92, 71, 0.72);
  background: rgba(163, 54, 46, 0.32);
}

.title-btn[disabled] {
  cursor: not-allowed;
  opacity: 0.46;
}

.title-btn:hover {
  border-color: rgba(239, 226, 204, 0.42);
  background: rgba(37, 30, 25, 0.82);
}

.title-btn[disabled]:hover {
  border-color: rgba(239, 226, 204, 0.22);
  background: rgba(12, 11, 10, 0.62);
}

.title-btn:active {
  transform: translateY(1px);
}

.modal,
.ending-screen {
  position: fixed;
  inset: 0;
  z-index: 20;
}

.modal[hidden],
.ending-screen[hidden],
.toast[hidden] {
  display: none;
}

.modal-backdrop,
.ending-shade {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.66);
}

.modal-panel {
  position: relative;
  width: min(1020px, calc(100vw - 28px));
  max-height: calc(100vh - 44px);
  margin: 22px auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-strong);
  box-shadow: var(--shadow);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 18px 10px;
}

.modal-head h2 {
  margin: 0;
  font-size: 1.2rem;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 18px 14px;
  border-bottom: 1px solid var(--line);
}

.tab-btn {
  min-width: 74px;
  min-height: 34px;
  border: 1px solid rgba(239, 226, 204, 0.16);
  border-radius: var(--radius);
  background: rgba(239, 226, 204, 0.04);
  color: var(--paper);
  cursor: pointer;
}

.tab-btn.active {
  border-color: rgba(201, 157, 82, 0.64);
  background: rgba(201, 157, 82, 0.16);
}

.modal-content {
  max-height: calc(100vh - 150px);
  overflow: auto;
  padding: 18px;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

.archive-item {
  border: 1px solid rgba(239, 226, 204, 0.14);
  border-radius: var(--radius);
  background: rgba(239, 226, 204, 0.055);
  overflow: hidden;
}

.archive-item img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: contain;
  object-position: center bottom;
  padding: 10px 10px 0;
  background: rgba(255, 255, 255, 0.06);
}

.archive-item.scene img,
.archive-item.ending img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
  padding: 0;
}

.archive-item div {
  padding: 10px 12px 12px;
}

.archive-item h3 {
  margin: 0 0 6px;
  font-size: 0.96rem;
  letter-spacing: 0;
}

.archive-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.empty-state {
  margin: 6px 0;
  color: var(--muted);
}

.history-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.history-item,
.route-item {
  padding: 12px 14px;
  border: 1px solid rgba(239, 226, 204, 0.14);
  border-radius: var(--radius);
  background: rgba(239, 226, 204, 0.05);
}

.history-item strong,
.route-item h3 {
  display: block;
  margin: 5px 0 6px;
  color: #fff8ec;
  font-size: 0.98rem;
  letter-spacing: 0;
}

.history-item p,
.route-item p {
  margin: 0;
  color: #eadfcd;
  line-height: 1.62;
}

.history-item small,
.route-impact {
  display: inline-flex;
  margin-top: 8px;
  color: #e8c68d;
  font-size: 0.78rem;
}

.history-meta {
  color: var(--muted);
  font-size: 0.74rem;
}

.choice-history {
  border-color: rgba(201, 157, 82, 0.22);
}

.route-list,
.chapter-grid,
.settings-list {
  display: grid;
  gap: 12px;
}

.chapter-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.chapter-jump {
  min-height: 82px;
  padding: 13px 14px;
  border: 1px solid rgba(239, 226, 204, 0.16);
  border-radius: var(--radius);
  background: rgba(239, 226, 204, 0.045);
  color: var(--paper);
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.chapter-jump span {
  display: block;
  margin-bottom: 6px;
  color: #fff8ec;
  font-weight: 700;
}

.chapter-jump small {
  color: var(--muted);
  line-height: 1.45;
}

.setting-row {
  display: grid;
  grid-template-columns: 88px minmax(120px, 1fr) 54px;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid rgba(239, 226, 204, 0.14);
  border-radius: var(--radius);
  background: rgba(239, 226, 204, 0.045);
}

.setting-row span,
.setting-toggle span {
  color: #fff8ec;
  font-weight: 700;
}

.setting-row strong {
  color: var(--gold);
  text-align: right;
}

.setting-row input[type="range"] {
  width: 100%;
  accent-color: var(--gold);
}

.setting-toggle {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid rgba(239, 226, 204, 0.14);
  border-radius: var(--radius);
  background: rgba(239, 226, 204, 0.045);
}

.setting-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--gold);
}

.ending-image {
  z-index: -2;
  filter: saturate(0.92) contrast(1.05) brightness(0.72);
}

.ending-shade {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.26) 58%, rgba(0, 0, 0, 0.64)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.74));
}

.ending-panel {
  position: absolute;
  left: clamp(18px, 7vw, 88px);
  top: 50%;
  transform: translateY(-50%);
  width: min(540px, calc(100vw - 36px));
  padding: 24px;
  border: 1px solid rgba(239, 226, 204, 0.2);
  border-radius: var(--radius);
  background: rgba(12, 11, 10, 0.76);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.ending-panel h2 {
  margin-bottom: 14px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: 0;
}

.ending-panel p {
  color: #f3e7d4;
  line-height: 1.72;
}

.ending-stats {
  display: grid;
  gap: 8px;
  margin: 16px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.ending-route {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.ending-route li {
  display: grid;
  gap: 3px;
  padding: 8px 10px;
  border: 1px solid rgba(239, 226, 204, 0.12);
  border-radius: var(--radius);
  background: rgba(239, 226, 204, 0.045);
}

.ending-route span,
.ending-route small {
  color: var(--muted);
  font-size: 0.76rem;
}

.ending-route strong {
  color: #fff8ec;
  font-size: 0.88rem;
  line-height: 1.35;
}

.ending-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  max-width: min(340px, calc(100vw - 36px));
  padding: 12px 14px;
  border: 1px solid rgba(239, 226, 204, 0.22);
  border-radius: var(--radius);
  background: rgba(10, 10, 9, 0.9);
  color: var(--paper);
  box-shadow: var(--shadow);
}

@media (max-width: 920px) and (min-width: 761px) {
  .topbar {
    gap: 12px;
  }

  .topbar-actions {
    gap: 6px;
    max-width: 314px;
  }

  .icon-btn {
    width: 34px;
    height: 34px;
  }

  .status-panel {
    flex: 1 1 210px;
    width: auto;
    min-width: 190px;
    max-width: 260px;
    padding: 7px 9px;
  }

  .day-chip {
    font-size: 0.66rem;
    margin-bottom: 4px;
  }

  .stat-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 6px;
  }

  .stat-row {
    grid-template-columns: auto minmax(22px, 1fr) auto;
    gap: 4px;
    font-size: 0.58rem;
  }

  .meter {
    height: 3px;
  }
}

@media (max-width: 760px) {
  .topbar {
    padding: 16px;
  }

  .topbar-actions {
    gap: 6px;
    max-width: 178px;
  }

  .icon-btn {
    width: 34px;
    height: 34px;
  }

  .status-panel {
    position: absolute;
    top: 106px;
    left: 16px;
    align-self: auto;
    z-index: 4;
    width: 172px;
    min-width: 0;
    margin: 0;
    padding: 8px 9px;
  }

  .day-chip {
    font-size: 0.68rem;
    margin-bottom: 5px;
  }

  .stat-list {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .stat-row {
    grid-template-columns: 30px 1fr 14px;
    gap: 5px;
    font-size: 0.61rem;
  }

  .meter {
    height: 3px;
  }

  .sprite-layer {
    inset: 134px 0 0;
  }

  .stage.has-choices .sprite-layer {
    inset: 126px 0 0;
  }

  .sprite {
    height: min(70vh, 640px);
    max-width: 62vw;
  }

  .stage.has-choices .sprite {
    height: min(64vh, 580px);
  }

  .stage.has-choices .sprite.left {
    left: 0;
  }

  .stage.has-choices .status-panel {
    opacity: 0;
    visibility: hidden;
  }

  .title-menu {
    left: 18px;
    right: 18px;
    top: auto;
    bottom: 26px;
    transform: none;
    width: auto;
  }

  .title-menu h2 {
    margin-bottom: 16px;
    font-size: clamp(3rem, 17vw, 4.4rem);
  }

  .title-actions {
    width: 100%;
    grid-template-columns: 1fr 1fr;
  }

  .sprite.left {
    left: 0;
  }

  .sprite.right {
    right: 0;
  }

  .dialogue-panel {
    min-height: 218px;
    max-height: min(50vh, 422px);
    padding: 16px;
    margin-bottom: 16px;
  }

  .dialogue-head {
    align-items: flex-start;
  }

  .choices {
    gap: 8px;
  }

  .stage.many-choices .choices {
    grid-template-columns: 1fr;
  }

  .tabs {
    gap: 6px;
  }

  .tab-btn {
    min-width: 58px;
  }

  .setting-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .setting-row strong {
    text-align: left;
  }

  .ending-panel {
    top: auto;
    left: 16px;
    right: 16px;
    bottom: 16px;
    transform: none;
    width: auto;
    padding: 18px;
  }

  .ending-actions {
    grid-template-columns: 1fr;
  }
}

.reduced-motion *,
.reduced-motion *::before,
.reduced-motion *::after {
  transition-duration: 1ms !important;
  animation-duration: 1ms !important;
}