/* 菜趣 · 高信息密度视觉系统 */
:root {
  --ink: #1c1917;
  --ink-soft: #44403c;
  --muted: #78716c;
  --line: rgba(28, 25, 23, 0.08);
  --cream: #faf7f2;
  --cream-dark: #f0e8dc;
  --paper: rgba(255, 253, 248, 0.92);
  --terracotta: #c45c3e;
  --terracotta-deep: #9a3d2a;
  --olive: #3f5d4a;
  --olive-light: #e8f0ea;
  --gold: #b8956c;
  --gold-light: #f3ead8;
  --shadow-sm: 0 2px 8px rgba(28, 25, 23, 0.06);
  --shadow-md: 0 12px 40px rgba(28, 25, 23, 0.1);
  --shadow-lg: 0 24px 60px rgba(28, 25, 23, 0.12);
  --radius-lg: 22px;
  --radius-md: 14px;
  --font-ui: "Noto Sans SC", system-ui, sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", Georgia, serif;
  --font-display: "ZCOOL XiaoWei", var(--font-serif);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  font-size: 16px;
  color: var(--ink);
  line-height: 1.65;
  background: var(--cream);
}

main {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
}

/* ----- 背景层 ----- */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.page-bg__mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(196, 92, 62, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(63, 93, 74, 0.08), transparent),
    linear-gradient(180deg, #fdfbf7 0%, #f5ebe3 55%, #efe4d8 100%);
}

.page-bg__grain {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.page-bg__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent 75%);
  opacity: 0.5;
}

/* 纯 CSS 色块，无 SVG：避免无样式时矢量图撑爆整页 */
.page-bg__orb {
  position: absolute;
  width: min(42vw, 260px);
  height: min(42vw, 260px);
  max-width: 260px;
  max-height: 260px;
  border-radius: 50%;
  filter: blur(1px);
  pointer-events: none;
}

.page-bg__orb--a {
  top: -6%;
  right: -8%;
  background: radial-gradient(circle at 35% 35%, rgba(232, 165, 152, 0.55), rgba(244, 212, 168, 0.22) 55%, transparent 70%);
  opacity: 0.85;
  animation: float-a 18s ease-in-out infinite;
}

.page-bg__orb--b {
  bottom: 6%;
  left: -10%;
  background: radial-gradient(circle at 60% 40%, rgba(125, 155, 131, 0.4), rgba(196, 212, 200, 0.18) 60%, transparent 72%);
  opacity: 0.7;
  animation: float-b 22s ease-in-out infinite;
}

@keyframes float-a {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(-12px, 20px) rotate(2deg);
  }
}

@keyframes float-b {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(16px, -10px) rotate(-2deg);
  }
}

/* ----- 顶栏 ----- */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  backdrop-filter: blur(14px);
  background: rgba(250, 247, 242, 0.75);
  border-bottom: 1px solid rgba(28, 25, 23, 0.06);
}

.top-nav__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.top-nav__mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--terracotta), #e07a5f);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  position: relative;
}

.top-nav__mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 6px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  opacity: 0.7;
}

.top-nav__en {
  margin: 0;
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  color: var(--muted);
  font-weight: 600;
}

.top-nav__zh {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.35em;
  color: var(--ink);
}

.top-nav__links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.top-nav__link {
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.top-nav__link:hover {
  background: rgba(28, 25, 23, 0.05);
  color: var(--ink);
}

.top-nav__link--accent {
  background: var(--ink);
  color: #fff;
}

.top-nav__link--accent:hover {
  background: var(--terracotta-deep);
  color: #fff;
}

/* ----- Hero ----- */
.hero {
  padding: 1rem 0 1.25rem;
  text-align: center;
}

.hero__badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 0.85rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(28, 25, 23, 0.08);
  box-shadow: var(--shadow-sm);
}

.pill--gold {
  background: linear-gradient(135deg, var(--gold-light), #fff);
  border-color: rgba(184, 149, 108, 0.35);
  color: #6b5344;
}

.hero__title {
  margin: 0 auto 0.5rem;
  max-width: 14em;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.65rem, 4.2vw, 2.5rem);
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.hero__title-line {
  display: block;
}

.hero__title-line--emph {
  background: linear-gradient(120deg, var(--terracotta) 0%, #d4785c 40%, var(--olive) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  margin: 0 auto 1rem;
  max-width: 22rem;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.55;
}

.hero__lead strong {
  color: var(--ink-soft);
  font-weight: 600;
}

.hero__action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.hero__hint {
  margin: 0;
  font-size: 0.76rem;
  color: var(--muted);
  max-width: 18rem;
  line-height: 1.45;
}

.hero__stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin: 0 auto;
  max-width: 28rem;
}

.hero__stat-chip {
  display: inline-block;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(28, 25, 23, 0.08);
}

/* ----- Features（次要信息，排在结果之后、矮卡片） ----- */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem;
  margin: 1.75rem 0 0;
}

@media (max-width: 560px) {
  .features {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

.feature-card {
  position: relative;
  padding: 0.85rem 0.75rem 0.95rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(28, 25, 23, 0.06);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--terracotta), var(--gold), var(--olive));
  opacity: 0.75;
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
}

.feature-card__icon {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--olive-light);
  color: var(--olive);
  margin-bottom: 0.5rem;
}

.feature-card__icon svg {
  width: 22px;
  height: 22px;
}

.feature-card__title {
  margin: 0 0 0.2rem;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.feature-card__text {
  margin: 0;
  font-size: 0.76rem;
  color: var(--muted);
  line-height: 1.45;
}

/* ----- 主按钮 ----- */
.btn-magic {
  position: relative;
  cursor: pointer;
  border: none;
  padding: 0;
  min-width: 200px;
  border-radius: 999px;
  background: linear-gradient(145deg, #d66b4f 0%, var(--terracotta-deep) 100%);
  color: #fff;
  font-family: var(--font-ui);
  box-shadow:
    0 4px 0 #6d2e20,
    0 12px 32px rgba(196, 92, 62, 0.45);
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-magic:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow:
    0 4px 0 #6d2e20,
    0 18px 40px rgba(196, 92, 62, 0.5);
}

.btn-magic:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow:
    0 2px 0 #6d2e20,
    0 8px 24px rgba(196, 92, 62, 0.4);
}

.btn-magic:disabled {
  opacity: 0.65;
  cursor: wait;
}

.btn-magic__shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.2) 50%, transparent 60%);
  transform: translateX(-100%);
  animation: shine 3s ease-in-out infinite;
}

@keyframes shine {
  0%,
  80%,
  100% {
    transform: translateX(-100%);
  }
  90% {
    transform: translateX(100%);
  }
}

.btn-magic__text {
  display: block;
  padding: 1rem 2rem 0.15rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.btn-magic__sub {
  display: block;
  padding: 0 2rem 0.95rem;
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  opacity: 0.85;
  font-weight: 500;
}

/* ----- Results ----- */
.result-wrap {
  margin-top: 0.75rem;
  scroll-margin-top: 72px;
}

.result-wrap.hidden,
.error-banner.hidden {
  display: none !important;
}

.result-wrap__head {
  text-align: center;
  margin-bottom: 1.75rem;
}

.result-wrap__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.75rem;
  letter-spacing: 0.12em;
}

.result-wrap__sub {
  margin: 0.35rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.result-inner {
  display: grid;
  gap: 1.75rem;
}

@media (min-width: 900px) {
  .result-inner {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }
}

@media (min-width: 640px) and (max-width: 899px) {
  .result-inner {
    grid-template-columns: repeat(2, 1fr);
  }
}

.dish-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--paper);
  border: 1px solid rgba(28, 25, 23, 0.08);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px);
  animation: card-in 0.55s ease forwards;
}

.dish-card:nth-child(1) {
  animation-delay: 0.05s;
}
.dish-card:nth-child(2) {
  animation-delay: 0.15s;
}
.dish-card:nth-child(3) {
  animation-delay: 0.25s;
}

@keyframes card-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dish-card__ribbon {
  height: 6px;
  background: linear-gradient(90deg, var(--terracotta), var(--gold), var(--olive));
}

.dish-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.25rem 1.35rem 0.75rem;
}

.dish-card__badge {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(145deg, var(--olive), #2d4336);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.dish-card__titles {
  min-width: 0;
}

.dish-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.06em;
}

.dish-card__cat {
  display: inline-flex;
  margin-top: 0.45rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--terracotta-deep);
  background: rgba(196, 92, 62, 0.1);
  border: 1px solid rgba(196, 92, 62, 0.2);
}

.dish-card__body {
  padding: 0 1.35rem 1.35rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.dish-block__label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--olive);
  text-transform: uppercase;
}

.dish-block__label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--terracotta);
  box-shadow: 0 0 0 3px rgba(196, 92, 62, 0.2);
}

.ingredient-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.ingredient-tag {
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--ink-soft);
  background: linear-gradient(180deg, #fff 0%, #faf6f0 100%);
  border: 1px solid rgba(28, 25, 23, 0.08);
  box-shadow: 0 1px 2px rgba(28, 25, 23, 0.04);
}

.step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.step-list__item {
  position: relative;
  padding-left: 2.35rem;
  margin-bottom: 0.75rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.65;
}

.step-list__item:last-child {
  margin-bottom: 0;
}

.step-list__item::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 50%;
  font-size: 0.68rem;
  font-weight: 700;
  display: grid;
  place-items: center;
  color: var(--terracotta-deep);
  background: var(--gold-light);
  border: 1px solid rgba(184, 149, 108, 0.35);
}

.step-list__item::after {
  content: "";
  position: absolute;
  left: 0.75rem;
  top: 2rem;
  bottom: -0.5rem;
  width: 1px;
  background: linear-gradient(180deg, rgba(184, 149, 108, 0.45), transparent);
}

.step-list__item:last-child::after {
  display: none;
}

/* Loading */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 3rem 1rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.5);
  border: 1px dashed rgba(28, 25, 23, 0.12);
}

.loading-state__dots {
  display: flex;
  gap: 0.45rem;
}

.loading-state__dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--terracotta);
  animation: bounce 1.2s ease-in-out infinite;
}

.loading-state__dots span:nth-child(2) {
  animation-delay: 0.15s;
  background: var(--gold);
}

.loading-state__dots span:nth-child(3) {
  animation-delay: 0.3s;
  background: var(--olive);
}

@keyframes bounce {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.5;
  }
  40% {
    transform: translateY(-8px);
    opacity: 1;
  }
}

.loading-state__text {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* Error */
.error-banner {
  margin: 1.5rem auto 0;
  max-width: 40rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #fff5f3, #fff);
  border: 1px solid #f0c4bc;
  color: #8c2f24;
  font-size: 0.9rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  padding: 2.5rem 1.25rem 2rem;
  text-align: center;
}

.site-footer__row {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem 0.5rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.site-footer__logo {
  font-family: var(--font-display);
  letter-spacing: 0.2em;
  color: var(--ink-soft);
}

.site-footer__dot {
  opacity: 0.45;
}