:root {
  --ease-main: cubic-bezier(0.22, 1, 0.36, 1);
  --c-paper: #11141b;
  --c-card: #222833;
  --c-card2: #2b3442;
  --c-ink: #eef3fb;
  --c-soft: #c7d2e0;
  --c-line: rgba(199, 210, 224, 0.28);
  --c-accent: #6fd0bb;
  --c-warn: #ff6f7f;
}

/* Tailwind CDN 偶发未命中时的兜底映射 */
.bg-paper { background-color: var(--c-paper) !important; }
.bg-card { background-color: var(--c-card) !important; }
.bg-card2 { background-color: var(--c-card2) !important; }
.text-ink { color: var(--c-ink) !important; }
.text-soft { color: var(--c-soft) !important; }
.border-line { border-color: var(--c-line) !important; }
.text-accent { color: var(--c-accent) !important; }
.border-accent { border-color: var(--c-accent) !important; }
.text-warn { color: var(--c-warn) !important; }
.border-warn { border-color: var(--c-warn) !important; }

/* hover 变体兜底（仅常用） */
.hover\:text-accent:hover { color: var(--c-accent) !important; }
.hover\:border-accent\/60:hover { border-color: color-mix(in srgb, var(--c-accent) 60%, transparent) !important; }

/* 保障主内容卡片不是透明 */
main section {
  background-clip: padding-box;
}

.text-soft {
  color: var(--c-soft) !important;
}

body {
  background-color: var(--c-paper);
  color: var(--c-ink);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--c-ink);
}

p,
li,
span,
button,
label {
  color: inherit;
}

.paper-bg {
  background-image:
    radial-gradient(circle at 12% -16%, rgba(111, 208, 187, 0.08), transparent 34%),
    radial-gradient(circle at 94% 112%, rgba(135, 154, 182, 0.08), transparent 42%),
    radial-gradient(circle at 58% 40%, rgba(255, 255, 255, 0.02), transparent 46%);
}

.start-cta {
  box-shadow:
    0 10px 20px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(111, 208, 187, 0.2);
  transition: transform 180ms ease, box-shadow 200ms ease, border-color 180ms ease;
}

.start-cta:hover {
  transform: translateY(-2px);
  box-shadow:
    0 14px 28px rgba(0, 0, 0, 0.34),
    0 0 0 1px rgba(111, 208, 187, 0.36),
    0 0 0 6px rgba(111, 208, 187, 0.08);
}

.start-cta:active {
  transform: translateY(1px) scale(0.99);
}

.prose-custom {
  color: var(--c-ink);
  font-size: 1.08rem;
  line-height: 1.95;
}

.prose-custom p {
  margin: 0.86rem 0;
  line-height: 1.96;
}

.prose-custom strong {
  color: #f7fbff;
  font-weight: 700;
}

.prose-custom em {
  font-style: italic;
}

.prose-custom a {
  text-decoration: none;
}

.prose-custom .story-link {
  color: #84dec8;
  border-bottom: 1px dashed rgba(111, 208, 187, 0.72);
  background: rgba(111, 208, 187, 0.12);
  transition: color 140ms ease, border-color 140ms ease, background-color 140ms ease;
  word-break: break-all;
}

.prose-custom .story-link::after {
  content: "↗";
  font-size: 0.74em;
  margin-left: 0.2em;
}

.prose-custom .story-link:hover {
  color: #9fe9d7;
  border-bottom-color: rgba(159, 233, 215, 0.92);
  background: rgba(111, 208, 187, 0.2);
}

.prose-custom .story-link-disabled {
  color: #b8c3d1;
  border-bottom-color: rgba(199, 210, 224, 0.42);
  background: transparent;
}

.prose-custom .story-link-disabled::after {
  content: "";
}

.scene-wrap {
  overflow: hidden;
}

.scene {
  position: relative;
  transition: opacity 380ms var(--ease-main), transform 380ms var(--ease-main), filter 280ms var(--ease-main);
}

.scene-out {
  opacity: 0;
  transform: translateY(-6px);
  filter: blur(0.4px);
}

.scene-in {
  opacity: 0;
  transform: translateY(10px);
  animation: sceneIn 560ms var(--ease-main) forwards;
}

@keyframes sceneIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.paper-sweep {
  position: absolute;
  inset: -12% -4%;
  pointer-events: none;
  background: rgba(237, 242, 251, 0.07);
  transform: translateX(100%);
  animation: sweep 520ms var(--ease-main) 60ms forwards;
}

@keyframes sweep {
  to {
    transform: translateX(-102%);
  }
}

.story-image {
  transform: rotate(0.2deg);
  filter: saturate(0.86) contrast(1) brightness(0.88);
}

.scene-out .story-image {
  transition: opacity 280ms var(--ease-main) 60ms;
  opacity: 0;
}

.choice-btn:active {
  transform: translateY(1px) scale(0.985);
  opacity: 0.96;
}

.choice-btn {
  will-change: transform, box-shadow, border-color, background-color;
  transition:
    transform 160ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.choice-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  border-color: rgba(111, 208, 187, 0.92);
  background: rgba(111, 208, 187, 0.15);
  box-shadow:
    0 10px 18px rgba(0, 0, 0, 0.28),
    0 0 0 1px rgba(111, 208, 187, 0.3),
    0 0 0 4px rgba(111, 208, 187, 0.1);
}

.choice-btn:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 2px rgba(17, 20, 27, 0.95),
    0 0 0 4px rgba(111, 208, 187, 0.72);
}

.choice-btn:disabled {
  cursor: not-allowed;
  color: #b9c5d4;
  background: rgba(49, 59, 73, 0.72);
  border-color: rgba(199, 210, 224, 0.28);
  box-shadow: none;
}

/* 底部操作按钮（返回/重来）增强游戏化交互 */
section button {
  will-change: transform, box-shadow, border-color, background-color;
  transition:
    transform 150ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

section button:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(111, 208, 187, 0.86);
  background: rgba(111, 208, 187, 0.14);
  box-shadow:
    0 8px 14px rgba(0, 0, 0, 0.24),
    0 0 0 1px rgba(111, 208, 187, 0.28);
}

section button:active:not(:disabled) {
  transform: translateY(1px) scale(0.985);
}

.scene-in .choices-wrap > * {
  opacity: 0;
  transform: translateY(8px);
  animation: choiceIn 420ms var(--ease-main) forwards;
}

.scene-in .choices-wrap > *:nth-child(1) { animation-delay: 90ms; }
.scene-in .choices-wrap > *:nth-child(2) { animation-delay: 170ms; }
.scene-in .choices-wrap > *:nth-child(3) { animation-delay: 250ms; }
.scene-in .choices-wrap > *:nth-child(4) { animation-delay: 330ms; }
.scene-in .choices-wrap > *:nth-child(5) { animation-delay: 410ms; }

@keyframes choiceIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ending-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(208, 218, 234, 0.28);
  border-radius: 12px;
  box-shadow:
    inset 0 0 0 1px rgba(229, 236, 246, 0.06),
    0 10px 24px rgba(0, 0, 0, 0.28);
}

.ending-shell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 4px;
  opacity: 0.96;
}

.ending-head {
  padding: 14px 16px 10px;
  border-bottom: 1px solid rgba(201, 212, 229, 0.22);
}

.ending-title {
  font-size: 1.65rem;
  line-height: 1.35;
  font-weight: 650;
  color: #f3f7ff;
}

.ending-body {
  padding: 14px 16px 8px;
}

.ending-foot {
  margin-top: 10px;
  padding: 0 4px 2px;
}

.ending-restart-btn {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  border-radius: 10px;
  border: 1px solid rgba(111, 208, 187, 0.7);
  background: rgba(36, 46, 60, 0.88);
  padding: 0.7rem 1.4rem;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 1rem;
  font-weight: 650;
  color: #e7edf8;
  transition: transform 140ms ease, border-color 150ms ease, color 150ms ease, background-color 150ms ease;
}

.ending-restart-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(138, 229, 205, 0.9);
  color: #95e5d1;
  background: rgba(44, 58, 74, 0.92);
}

.ending-restart-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ending-note {
  margin-top: 9px;
  font-size: 0.78rem;
  line-height: 1.55;
  font-style: italic;
  color: #98a2b2;
}

.ending-good {
  background: rgba(55, 92, 83, 0.55);
}

.ending-good::before {
  background: rgba(131, 229, 204, 0.92);
}

.ending-neutral {
  background: rgba(73, 86, 107, 0.56);
}

.ending-neutral::before {
  background: rgba(190, 204, 226, 0.9);
}

.ending-bad {
  background: rgba(97, 49, 59, 0.58);
}

.ending-bad::before {
  background: rgba(246, 122, 144, 0.94);
}

/* Bottom action panel: separated from story choices, tuned for mobile controls */
.action-panel {
  border-color: rgba(150, 166, 187, 0.36);
  background:
    linear-gradient(180deg, rgba(36, 45, 58, 0.9), rgba(26, 33, 45, 0.92));
}

.action-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}

.action-btn {
  min-height: 56px;
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(154, 171, 193, 0.45);
  background: rgba(32, 40, 53, 0.9);
  color: #e8eef8;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition:
    transform 140ms ease,
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 180ms ease;
}

.action-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(136, 196, 228, 0.78);
  background: rgba(48, 61, 80, 0.92);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.24);
}

.action-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.action-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.action-btn-ghost {
  border-style: dashed;
  color: #c8d3e4;
}

.action-btn-music-on {
  border-color: rgba(115, 205, 188, 0.6);
  background: rgba(28, 56, 59, 0.62);
}

.action-btn-music-on:hover:not(:disabled) {
  border-color: rgba(131, 225, 205, 0.86);
  background: rgba(35, 70, 73, 0.78);
}

.action-btn-music-off {
  border-color: rgba(135, 147, 167, 0.44);
  background: rgba(31, 38, 50, 0.92);
  color: #c9d2e0;
}

.action-btn-music-off:hover:not(:disabled) {
  border-color: rgba(160, 172, 193, 0.68);
  background: rgba(42, 51, 66, 0.95);
}

@media (min-width: 768px) {
  .action-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}