/* Muse兑换码 · 暖色极简工具站 */

:root {
  --bg: #fbf7f2;
  --card: #ffffff;
  --text: #241e18;
  --text-2: #6b6259;
  --text-3: #9a9086;
  --border: #f1e8de;
  --border-strong: #e6dacd;
  --accent: #f26a1b;
  --accent-hover: #dd5a0d;
  --accent-soft: #fff1e4;
  --ok: #2f9e6b;
  --ok-soft: #eaf7f0;
  --warn-soft: #fff6e8;
  --radius-lg: 20px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(58, 40, 22, 0.04), 0 10px 30px rgba(180, 120, 60, 0.07);
  --shadow-hover: 0 2px 4px rgba(58, 40, 22, 0.05), 0 14px 36px rgba(200, 120, 50, 0.13);
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, "Liberation Mono",
    monospace;
}

* {
  box-sizing: border-box;
}

/* 保证 hidden 属性始终生效（.modal 自身的 display 优先级更高） */
[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  background-image: radial-gradient(
    900px 460px at 50% -120px,
    #ffe9d2 0%,
    rgba(255, 233, 210, 0) 70%
  );
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,
h2,
p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 247, 242, 0.82);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 22px;
  height: 22px;
  display: block;
  flex: 0 0 auto;
}

.nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
  color: var(--text-2);
}

.nav a {
  transition: color 0.16s ease;
}

.nav a:hover {
  color: var(--accent);
}

/* ---------- Hero ---------- */

.hero {
  padding: 76px 0 56px;
}

.hero-inner {
  text-align: center;
  max-width: 720px;
}

.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero-title {
  margin-top: 20px;
  font-size: clamp(2.1rem, 6.2vw, 3.4rem);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.hero-title em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  margin-top: 18px;
  font-size: clamp(15px, 2.6vw, 17px);
  color: var(--text-2);
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.hero-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-3);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease,
    transform 0.16s ease, box-shadow 0.16s ease;
}

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

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 18px rgba(242, 106, 27, 0.26);
}

.btn--primary:hover {
  background: var(--accent-hover);
}

.btn--ghost {
  background: var(--card);
  color: var(--text);
  border-color: var(--border-strong);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--sm {
  padding: 9px 18px;
  font-size: 14px;
}

/* ---------- Sections ---------- */

.section {
  padding: 30px 0;
}

.section > .container {
  /* 内容区 680px（含 20px 内边距），与卡片最大宽度一致 */
  max-width: 720px;
}

/* 兑换码网格用满宽容器，才能排下 6 列 */
#codes > .container {
  max-width: 1080px;
}

.section-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-head h2 {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.pill {
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
}

.section-sub {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-3);
}

/* ---------- 兑换码网格 ---------- */

.code-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

/* 整张卡就是复制按钮 */
.code-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  padding: 14px 10px;
  font-family: inherit;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.code-card:hover {
  border-color: #f6d9bd;
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.code-card:active {
  transform: none;
}

.code-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.code-card__code {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--text);
  word-break: break-all;
}

.code-card__meta {
  font-size: 12px;
  color: var(--text-3);
}

.code-card.is-copied {
  border-color: var(--ok);
}

.code-card.is-copied .code-card__meta {
  color: var(--ok);
  font-weight: 600;
}

/* ---------- 分页 ---------- */

.pager {
  margin-top: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.pager__info {
  min-width: 96px;
  text-align: center;
  font-size: 13px;
  color: var(--text-2);
}

.pager .btn[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
}

.pager .btn[disabled]:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

@media (max-width: 1024px) {
  .code-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .code-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 460px) {
  .code-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.skeleton {
  height: 68px;
  border-radius: var(--radius);
  background: linear-gradient(100deg, #f4ece2 30%, #fbf6ef 50%, #f4ece2 70%);
  background-size: 220% 100%;
  animation: shimmer 1.3s ease-in-out infinite;
}

@keyframes shimmer {
  from {
    background-position: 180% 0;
  }
  to {
    background-position: -80% 0;
  }
}

.empty {
  padding: 44px 24px;
  text-align: center;
  background: var(--card);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
}

.empty p {
  color: var(--text-2);
  font-size: 15px;
}

.empty .btn {
  margin-top: 18px;
}

/* ---------- 面板（查询 / 分享） ---------- */

.panel {
  padding: 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.panel-title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.panel-sub {
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-3);
}

.field-row {
  margin-top: 18px;
  display: flex;
  gap: 10px;
}

.input {
  flex: 1;
  min-width: 0;
  padding: 13px 16px;
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--text);
  background: #fdfbf8;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, background-color 0.16s ease;
}

.input::placeholder {
  font-family: var(--font-sans);
  letter-spacing: 0;
  color: var(--text-3);
}

.input:focus {
  outline: none;
  background: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(242, 106, 27, 0.12);
}

/* ---------- 结果 ---------- */

.result {
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  border: 1px solid #f7ddc4;
  animation: fade 0.22s ease;
}

.result--ok {
  background: var(--ok-soft);
  border-color: #cdebdd;
}

.result--muted {
  background: #f7f4f0;
  border-color: var(--border);
}

.result--warn {
  background: var(--warn-soft);
  border-color: #f6e0bd;
}

.result-code {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.05em;
  word-break: break-all;
}

.result-line {
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-2);
}

.result-line--strong {
  color: var(--ok);
  font-weight: 600;
}

@keyframes fade {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  margin-top: 44px;
  padding: 40px 0 48px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 13px;
  line-height: 1.9;
  color: var(--text-3);
}

.footer-brand {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.footer-copy {
  margin-top: 10px;
}

/* ---------- 错误弹窗 ---------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(36, 30, 24, 0.42);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  animation: fade 0.18s ease;
}

.modal-box {
  position: relative;
  width: 100%;
  max-width: 340px;
  padding: 28px 24px 22px;
  text-align: center;
  background: var(--card);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(40, 26, 12, 0.24);
  animation: pop 0.2s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

.modal-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.modal-ok {
  margin-top: 20px;
  width: 100%;
}

@keyframes pop {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 移动端 ---------- */

@media (max-width: 640px) {
  .nav {
    display: none;
  }

  .hero {
    padding: 52px 0 36px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section {
    padding: 24px 0;
  }

  .panel {
    padding: 22px 18px;
  }

  .field-row {
    flex-direction: column;
  }

  .field-row .btn {
    width: 100%;
  }
}