:root {
  --bg: #f7f5f2;
  --surface: #efede9;
  --card-bg: #ffffff;
  --text: #1a1a1a;
  --text-secondary: #5c5955;
  --text-muted: #999590;
  --pink: #fe2c55;
  --pink-glow: rgba(254,44,85,0.15);
  --cyan: #0db5ad;
  --cyan-glow: rgba(13,181,173,0.15);
  --border: rgba(0,0,0,0.08);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.04);
  --shadow-hover: 0 4px 8px rgba(0,0,0,0.06), 0 12px 36px rgba(0,0,0,0.08);
  --radius: 14px;
  --radius-lg: 20px;
  --font-display: Georgia, 'Noto Serif SC', 'STSong', 'SimSun', serif;
  --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Background atmosphere */
.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 30% 20%, rgba(254,44,85,0.03) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(13,181,173,0.03) 0%, transparent 50%);
}

.bg-grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

/* ===== HEADER ===== */
.header {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 64px 24px 40px;
}

.header .brand {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text);
}

.header .brand .dot {
  color: var(--pink);
}

.header .tagline {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header .divider {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--pink), var(--cyan));
  margin: 20px auto 0;
  border-radius: 1px;
}

/* ===== TOOL GRID ===== */
.tools-container {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

/* ===== TOOL CARD ===== */
.tool-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              border-color 0.3s ease,
              box-shadow 0.3s ease;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  animation: cardReveal 0.6s ease-out both;
}

.tool-card:nth-child(1) { animation-delay: 0.1s; }
.tool-card:nth-child(2) { animation-delay: 0.2s; }
.tool-card:nth-child(3) { animation-delay: 0.3s; }

@keyframes cardReveal {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.tool-card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: var(--shadow-hover);
}

.tool-card:active { transform: translateY(-2px); }

/* Animated angle property for conic-gradient rotation */
@property --angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

/* Rotating border glow on hover */
.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: conic-gradient(from var(--angle), var(--pink), var(--cyan), var(--pink));
  opacity: 0;
  transition: opacity 0.35s ease;
  z-index: 0;
  pointer-events: none;
}

.tool-card:hover::before {
  opacity: 1;
  animation: spinBorder 2s linear infinite;
}

@keyframes spinBorder {
  to { --angle: 360deg; }
}

/* ===== CARD COVER ===== */
.card-cover {
  position: relative;
  height: 200px;
  background: var(--surface);
  overflow: hidden;
  flex-shrink: 0;
  z-index: 1;
  margin: 2px 2px 0 2px;
  border-radius: calc(var(--radius-lg) - 2px) calc(var(--radius-lg) - 2px) 0 0;
}

.card-cover .cover-art {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.tool-card:hover .cover-art { transform: scale(1.06); }

/* Cover image from JSON config */
.cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Default cover: first character of title */
.cover-default {
  width: 100%;
  height: 100%;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  color: var(--text-muted);
  opacity: 0.2;
}

/* ===== CARD BODY ===== */
.card-body {
  padding: 20px 22px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  background: var(--card-bg);
  margin: 0 2px 2px 2px;
  border-radius: 0 0 calc(var(--radius-lg) - 2px) calc(var(--radius-lg) - 2px);
}

.card-body .tool-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.card-body .tool-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.card-body .tool-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.card-body .tool-tag {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 500;
}

.tool-tag.ready {
  background: rgba(13,181,173,0.08);
  color: #0a8a84;
}

.tool-tag.coming {
  background: rgba(0,0,0,0.04);
  color: var(--text-muted);
}

.card-body .tool-cta {
  margin-left: auto;
  font-size: 12px;
  color: var(--pink);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s ease;
}

.tool-card:hover .tool-cta { gap: 8px; }

/* ===== COMING SOON CARD ===== */
.tool-card.coming-soon {
  opacity: 0.55;
  cursor: default;
  pointer-events: none;
}

.tool-card.coming-soon:hover {
  transform: none;
  border-color: var(--border);
  box-shadow: var(--shadow-card);
}

.tool-card.coming-soon:hover::before { opacity: 0; }

/* ===== FOOTER ===== */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px 40px;
  font-size: 12px;
  color: var(--text-muted);
}

.footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.footer a:hover { color: var(--pink); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .header { padding: 40px 20px 28px; }
  .header .brand { font-size: 30px; }
  .tools-container {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 16px 60px;
  }
  .card-cover { height: 160px; }
}