/* ===== Layout ===== */
#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  padding: var(--space-xl) var(--space-md);
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding-top: calc(var(--header-height) + var(--space-xl));
}

.page {
  animation: fadeIn var(--transition-normal) ease;
}

.page-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.page-header h1 {
  font-size: var(--text-3xl);
  background: var(--gradient-pink);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.page-header p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}

/* ===== Grid System ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

/* ===== Header / Nav ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 245, 249, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--color-border);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 var(--space-lg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  cursor: pointer;
}

.header-logo svg {
  width: 32px;
  height: 32px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-nav a {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  color: var(--color-text-secondary);
}

.header-nav a:hover,
.header-nav a.active {
  background: var(--gradient-pink);
  color: white;
  box-shadow: var(--shadow-glow-pink);
}

.header-stats {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.header-stat {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.header-stat .icon {
  font-size: var(--text-lg);
}

.header-partner-mini {
  width: 40px;
  height: 40px;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.header-partner-mini:hover {
  transform: scale(1.15);
}

/* ===== Hamburger Menu ===== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-sm);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--color-text);
  border-radius: 3px;
  transition: all var(--transition-fast);
}

/* ===== Sections ===== */
.section-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

/* ===== Two Column ===== */
.two-col {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: var(--space-xl);
  min-height: 60vh;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .header-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--space-md);
    box-shadow: var(--shadow-float);
    border-bottom: 2px solid var(--color-border);
  }

  .header-nav.open {
    display: flex;
  }

  .header-nav a {
    width: 100%;
    text-align: center;
  }

  .header-stats {
    gap: var(--space-sm);
  }

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .main-content {
    padding: var(--space-md);
    padding-top: calc(var(--header-height) + var(--space-md));
  }

  .page-header h1 {
    font-size: var(--text-2xl);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}