@import url("https://fonts.googleapis.com/css2?family=ZCOOL+XiaoWei&family=Nunito:wght@400;600;700&display=swap");

:root {
  --bg-top: #fff7f3;
  --bg-bottom: #ffe9dc;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: #ffffff;
  --text-main: #2e2730;
  --text-soft: #6a5e69;
  --line: rgba(139, 91, 74, 0.16);
  --brand: #ef6a5b;
  --brand-soft: #ffd6cf;
  --accent: #e57f55;
  --success: #278b64;
  --shadow: 0 14px 36px rgba(149, 83, 55, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Nunito", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(1200px 800px at 10% -10%, rgba(239, 106, 91, 0.18), transparent 52%),
    radial-gradient(1000px 700px at 110% 10%, rgba(229, 127, 85, 0.16), transparent 56%),
    linear-gradient(170deg, var(--bg-top), var(--bg-bottom));
  color: var(--text-main);
}

.app-shell {
  width: min(1060px, 100% - 32px);
  margin: 28px auto 42px;
  display: grid;
  gap: 16px;
}

.hero,
.panel,
.stats-panel,
.mode-switch {
  background: var(--surface);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 24px;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "ZCOOL XiaoWei", "Songti SC", serif;
  letter-spacing: 0.02em;
}

h1 {
  margin-top: 8px;
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
}

.hero-copy {
  margin: 10px 0 0;
  color: var(--text-soft);
  line-height: 1.65;
}

.hero-copy a {
  color: var(--brand);
  font-weight: 700;
}

.hero-copy a:hover {
  color: #cf4f43;
}

.stats-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 14px;
}

.stat-card {
  border-radius: 14px;
  padding: 12px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.stat-label {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-soft);
}

.stat-value {
  margin: 8px 0 0;
  font-size: 1.9rem;
  color: var(--brand);
  font-weight: 700;
}

.mode-switch {
  display: inline-grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 10px;
}

.mode-btn {
  border: 1px solid transparent;
  background: transparent;
  border-radius: 12px;
  color: var(--text-soft);
  padding: 12px;
  font-size: 0.98rem;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s ease;
}

.mode-btn:hover {
  background: #fff3ef;
  color: var(--text-main);
}

.mode-btn.is-active {
  background: var(--brand);
  color: #ffffff;
}

.panel {
  padding: 18px;
}

.panel-head h2 {
  font-size: 1.42rem;
}

.panel-head p {
  margin: 8px 0 0;
  color: var(--text-soft);
}

.blindbox-grid {
  margin-top: 14px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.blindbox-card {
  border: none;
  padding: 0;
  border-radius: 14px;
  background: transparent;
  perspective: 800px;
  min-height: 116px;
  cursor: pointer;
}

.blindbox-card:disabled {
  cursor: wait;
}

.card-inner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 116px;
  transform-style: preserve-3d;
  transition: transform 0.6s ease;
}

.blindbox-card.is-active .card-inner {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  inset: 0;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 12px;
  backface-visibility: hidden;
  font-weight: 700;
  border: 1px solid var(--line);
}

.card-front {
  background: linear-gradient(135deg, #fff8ef, #ffe4d7);
  color: #9f4b39;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.card-requirement {
  font-size: 0.85rem;
  padding: 4px 10px;
  border-radius: 8px;
  background: rgba(159, 75, 57, 0.12);
  color: #9f4b39;
  font-weight: 600;
}

.card-back {
  background: linear-gradient(135deg, #ef6a5b, #df7e4f);
  color: #fff;
  transform: rotateY(180deg);
  text-align: center;
}

.card-result {
  font-size: 0.95rem;
  line-height: 1.5;
  max-width: 100%;
  word-wrap: break-word;
}

.result-card {
  margin-top: 14px;
  border-radius: 14px;
  padding: 14px;
  background: linear-gradient(160deg, #ffffff, #fff5f0);
  border: 1px solid var(--line);
}

.result-mode {
  margin: 0;
  font-size: 0.84rem;
  color: var(--accent);
  font-weight: 700;
}

.result-card h3 {
  margin-top: 6px;
  font-size: 1.3rem;
}

.result-card p {
  margin: 8px 0 0;
  color: var(--text-soft);
  line-height: 1.6;
}

.result-tip {
  color: var(--success) !important;
  font-weight: 700;
}

.redpacket-controls {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.redpacket-controls label {
  font-weight: 700;
}

.redpacket-controls select,
.redpacket-controls button {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  min-height: 44px;
  font-size: 1rem;
}

.redpacket-controls select {
  padding: 0 12px;
  background: #fff;
}

.redpacket-controls button {
  background: var(--brand);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease;
}

.redpacket-controls button:hover {
  background: #d9574a;
}

.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.history-list,
.wall-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.history-item,
.wall-item {
  border-radius: 12px;
  border: 1px solid var(--line);
  padding: 10px 12px;
  background: #fff;
}

.history-main strong,
.wall-item strong {
  display: block;
  font-size: 0.98rem;
}

.history-main span,
.wall-item span {
  display: block;
  margin-top: 4px;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.history-meta,
.wall-item {
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-soft);
  font-size: 0.85rem;
}

.wall-item b {
  color: var(--brand);
  font-size: 1rem;
}

.empty-item {
  border-radius: 12px;
  border: 1px dashed var(--line);
  padding: 12px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.7);
}

.notice {
  margin: 2px 4px 0;
  min-height: 1.4em;
  color: #ac3f36;
  font-weight: 600;
}

.is-hidden {
  display: none;
}

@media (max-width: 820px) {
  .stats-panel {
    grid-template-columns: 1fr;
  }

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

  .panel-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .app-shell {
    width: min(1060px, 100% - 20px);
    margin-top: 16px;
  }

  .blindbox-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}