:root {
  --bg: #fff;
  --pink: #ff4f8b;
  --pink-light: #ffe3ee;
  --pink-dark: #d63d73;
  --text: #2b2b2b;
  --muted: #8a8a8a;
  --radius: 18px;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  margin: 0;
  padding: 48px 16px 32px;
}

.hub {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hub-brand {
  font-size: 36px;
}

.hub-title {
  margin: 0;
  font-size: 32px;
  font-weight: 800;
  color: var(--pink-dark);
  letter-spacing: 2px;
}

.hub-subtitle {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 14px;
}

.hub-tools {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tool-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: #fffafc;
  border: 2px solid var(--pink-light);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  box-shadow: 0 6px 24px rgba(255, 79, 139, 0.1);
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.tool-card:hover {
  transform: translateY(-2px);
  border-color: var(--pink);
}

.tool-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  background: var(--pink-light);
}

.tool-card-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tool-card-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--pink-dark);
}

.tool-card-desc {
  font-size: 13px;
  color: var(--muted);
}

.hub-footer {
  margin-top: 40px;
  text-align: center;
  font-size: 11px;
  color: var(--muted);
}

.loading { color: var(--muted); font-size: 14px; }

.hub-locale-switcher { align-self: flex-end; margin-bottom: 8px; }

.locale-switcher {
  display: flex;
  gap: 4px;
}

.locale-btn {
  border: 1px solid var(--pink-light);
  background: #fff;
  color: var(--muted);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
}
.locale-btn:hover { border-color: var(--pink); }
.locale-btn-active {
  background: var(--pink);
  border-color: var(--pink);
  color: #fff;
}