@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Crimson+Pro:wght@500&display=swap");

:root {
  --background: 209 40% 96%;
  --foreground: 222 47% 11%;
  --card: 210 40% 98%;
  --card-foreground: 222 47% 11%;
  --popover: 214 31% 91%;
  --popover-foreground: 222 47% 11%;
  --primary: 216 19% 26%;
  --primary-foreground: 210 19% 98%;
  --secondary: 215 19% 34%;
  --secondary-foreground: 210 40% 98%;
  --muted: 215 20% 65%;
  --muted-foreground: 215 16% 36%;
  --accent: 210 40% 98%;
  --accent-foreground: 215 16% 46%;
  --destructive: 0 72% 50%;
  --destructive-foreground: 0 85% 97%;
  --border: 212 26% 83%;
  --ring: 216 19% 26%;
  --radius: 18px;
  --shadow-2xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
  --shadow-xs: 0 1px 3px 0px hsl(0 0% 0% / 0.05);
  --shadow-sm: 0 10px 30px hsl(215 40% 30% / 0.08);
  --shadow-md: 0 20px 60px hsl(215 40% 25% / 0.12);
  --shadow-lg: 0 30px 80px hsl(215 50% 20% / 0.18);
}

* {
  box-sizing: border-box;
}

body {
  font-family: "DM Sans", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: hsl(var(--foreground));
  background-color: hsl(var(--background));
  background-image: radial-gradient(circle at top, hsl(var(--accent-foreground) / 0.15), transparent 45%),
    linear-gradient(120deg, hsl(var(--background)), #ffffff 55%, hsl(var(--card)));
  min-height: 100vh;
  margin: 0;
  line-height: 1.6;
  letter-spacing: 0.01em;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cpath d='M9 9h2v2H9zM59 59h2v2h-2zM109 9h2v2h-2zM9 109h2v2H9zM109 109h2v2h-2z' fill='rgba(26,32,44,0.08)'/%3E%3C/svg%3E");
  opacity: 0.35;
  pointer-events: none;
}

img {
  max-width: 100%;
  height: auto;
}

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

.app-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background-color: hsl(var(--background) / 0.75);
  border-bottom: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-xs);
}

.app-nav .nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: radial-gradient(circle at 30% 30%, #f7fafc, hsl(var(--primary)));
  display: grid;
  place-items: center;
  color: hsl(var(--primary-foreground));
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.brand-subtitle {
  font-size: 0.85rem;
  color: hsl(var(--muted-foreground));
  margin: 0;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
  color: hsl(var(--muted-foreground));
}

.nav-links a {
  position: relative;
  padding-bottom: 0.35rem;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, hsl(var(--primary)), hsl(var(--secondary)));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.btn {
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.55rem 1.5rem;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 200ms ease;
  cursor: pointer;
  background: none;
}

.btn-primary {
  background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--secondary)));
  color: hsl(var(--primary-foreground));
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  border-color: hsl(var(--border));
  color: hsl(var(--foreground));
  background: hsl(var(--accent));
}

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

main.content-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 2rem 2rem;
}

.info-grid {
  max-width: 1100px;
  margin: 0 auto 3rem;
  padding: 0 2rem 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.glass-card {
  background: hsl(var(--card) / 0.85);
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
}

.info-card h3 {
  margin-top: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.app-footer {
  border-top: 1px solid hsl(var(--border));
  padding: 2rem;
  text-align: center;
  background: hsl(var(--card));
  color: hsl(var(--muted-foreground));
  font-size: 0.9rem;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: center;
}

.hero-eyebrow {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: hsl(var(--muted-foreground));
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0.5rem 0 1rem;
  line-height: 1.15;
}

.hero-subtitle {
  color: hsl(var(--muted-foreground));
  margin-bottom: 1.5rem;
}

.hero-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.input-field {
  width: 100%;
  padding: 0.9rem 1.1rem;
  border-radius: 999px;
  border: 1px solid hsl(var(--border));
  background: hsl(var(--accent));
  font-size: 1rem;
}

.input-field:focus {
  border-color: hsl(var(--primary));
  outline: none;
  box-shadow: 0 0 0 3px hsl(var(--primary) / 0.15);
}

.hero-highlight {
  font-family: "Crimson Pro", "Songti SC", serif;
  font-size: 3.75rem;
  color: hsl(var(--primary));
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}

.section-heading h2 {
  font-size: 1.75rem;
  margin: 0;
}

.section-heading p {
  color: hsl(var(--muted-foreground));
  margin: 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.event-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.event-card img,
.event-card .event-cover {
  width: 100%;
  border-radius: calc(var(--radius) - 6px);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: hsl(var(--muted) / 0.15);
}

.event-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.event-key {
  font-size: 1.1rem;
  font-weight: 600;
}

.event-title {
  color: hsl(var(--muted-foreground));
  margin: 0;
}

.event-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.badge {
  border-radius: 999px;
  padding: 0.15rem 0.75rem;
  font-size: 0.8rem;
  background: hsl(var(--accent));
  border: 1px solid hsl(var(--border));
}

.results-list,
.event-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
  padding: 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  min-width: 44px;
  justify-content: center;
  align-items: center;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  border: 1px solid hsl(var(--border));
  background: hsl(var(--card));
}

.pagination a:hover {
  border-color: hsl(var(--primary));
  color: hsl(var(--primary));
}

.alert {
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border));
}

.message-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.form-shell {
  max-width: 760px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  gap: 1.25rem;
}

.form-field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: hsl(var(--muted-foreground));
}

.form-error {
  color: hsl(var(--destructive));
  font-size: 0.85rem;
  margin-top: 0.3rem;
}

textarea.input-field {
  border-radius: var(--radius);
  resize: vertical;
  min-height: 5.5rem;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.detail-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  align-items: start;
}

.detail-media img,
.detail-media .event-cover {
  width: 100%;
  border-radius: calc(var(--radius) - 6px);
  box-shadow: var(--shadow-sm);
  background: hsl(var(--muted) / 0.2);
}

.detail-meta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.link-subtle {
  color: hsl(var(--primary));
  font-weight: 500;
}

.empty-state {
  text-align: center;
  color: hsl(var(--muted-foreground));
}

@media (max-width: 768px) {
  .app-nav .nav-inner {
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
  }
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  .nav-actions {
    width: 100%;
    justify-content: center;
  }
  main.content-shell,
  .info-grid {
    padding: 2.5rem 1.25rem;
  }
}