/* ============================================
   Yippeeyo Global Styles - Based on PRD v1.1
   ============================================ */

/* --- CSS Variables (Design Tokens) --- */
:root {
  /* Brand Colors */
  --yp-primary: #4A5699;
  --yp-primary-light: #6B78B8;
  --yp-primary-dark: #3A4579;
  --yp-secondary: #F5A623;
  --yp-secondary-light: #FFD080;

  /* Semantic Colors */
  --yp-success: #4CAF50;
  --yp-warning: #FF9800;
  --yp-error: #F44336;

  /* Text Colors */
  --yp-text-primary: #1A1A1A;
  --yp-text-secondary: #666666;
  --yp-text-muted: #999999;
  --yp-text-white: #FFFFFF;

  /* Background */
  --yp-bg-white: #FFFFFF;
  --yp-bg-light: #F5F5F5;
  --yp-bg-lighter: #F8F8F8;
  --yp-bg-overlay: rgba(0,0,0,0.5);

  /* Borders */
  --yp-border: #E0E0E0;
  --yp-border-light: #EEEEEE;
  --yp-disabled: #D0D0D0;

  /* Spacing */
  --yp-space-xs: 4px;
  --yp-space-sm: 8px;
  --yp-space-md: 16px;
  --yp-space-lg: 24px;
  --yp-space-xl: 40px;
  --yp-space-2xl: 60px;
  --yp-space-3xl: 80px;

  /* Border Radius */
  --yp-radius-sm: 4px;
  --yp-radius-md: 8px;
  --yp-radius-lg: 12px;
  --yp-radius-xl: 16px;
  --yp-radius-full: 50%;

  /* Shadows */
  --yp-shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --yp-shadow-md: 0 2px 12px rgba(0,0,0,0.08);
  --yp-shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
  --yp-shadow-hover: 0 4px 16px rgba(0,0,0,0.12);

  /* Typography */
  --yp-font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --yp-font-size-xs: 11px;
  --yp-font-size-sm: 13px;
  --yp-font-size-base: 15px;
  --yp-font-size-md: 17px;
  --yp-font-size-lg: 20px;
  --yp-font-size-xl: 24px;
  --yp-font-size-2xl: 30px;
  --yp-font-size-3xl: 40px;

  /* Layout */
  --yp-container: 1200px;
  --yp-gutter: 24px;

  /* Transitions */
  --yp-transition-fast: 200ms ease-in-out;
  --yp-transition-base: 300ms ease;
  --yp-transition-slow: 500ms ease-in-out;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body.yippeeyo-theme {
  font-family: var(--yp-font-family);
  font-size: var(--yp-font-size-base);
  line-height: 1.6;
  color: var(--yp-text-primary);
  background-color: var(--yp-bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
.yippeeyo-theme h1,
.yippeeyo-theme h2,
.yippeeyo-theme h3,
.yippeeyo-theme h4,
.yippeeyo-theme h5,
.yippeeyo-theme h6 {
  font-family: var(--yp-font-family);
  color: var(--yp-text-primary);
  font-weight: 700;
  line-height: 1.3;
  margin-top: 0;
}

.yippeeyo-theme h1 { font-size: var(--yp-font-size-3xl); line-height: 1.2; }
.yippeeyo-theme h2 { font-size: var(--yp-font-size-2xl); }
.yippeeyo-theme h3 { font-size: var(--yp-font-size-xl); font-weight: 600; }
.yippeeyo-theme h4 { font-size: var(--yp-font-size-lg); font-weight: 600; }
.yippeeyo-theme p  { margin-bottom: var(--yp-space-md); color: var(--yp-text-secondary); }
.yippeeyo-theme a  {
  color: var(--yp-primary);
  text-decoration: none;
  transition: color var(--yp-transition-fast);
}
.yippeeyo-theme a:hover { color: var(--yp-primary-dark); }

/* --- Container --- */
.yp-container {
  max-width: var(--yp-container);
  margin: 0 auto;
  padding: 0 var(--yp-gutter);
}

/* --- Buttons --- */
.yp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--yp-space-sm);
  padding: 12px 24px;
  border: none;
  border-radius: var(--yp-radius-md);
  font-family: var(--yp-font-family);
  font-size: var(--yp-font-size-base);
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: all var(--yp-transition-fast);
  text-decoration: none;
}

.yp-btn-primary {
  background-color: var(--yp-primary);
  color: var(--yp-text-white);
}
.yp-btn-primary:hover {
  background-color: var(--yp-primary-light);
  box-shadow: var(--yp-shadow-hover);
  transform: translateY(-1px);
  color: var(--yp-text-white);
}

.yp-btn-secondary {
  background-color: var(--yp-bg-white);
  color: var(--yp-primary);
  border: 1px solid var(--yp-primary);
}
.yp-btn-secondary:hover {
  background-color: var(--yp-primary);
  color: var(--yp-text-white);
}

.yp-btn-ghost {
  background: transparent;
  color: var(--yp-text-primary);
  border: 1px solid var(--yp-disabled);
}
.yp-btn-ghost:hover {
  border-color: var(--yp-text-primary);
}

.yp-btn-danger {
  background-color: var(--yp-error);
  color: var(--yp-text-white);
}
.yp-btn-danger:hover {
  background-color: #D32F2F;
}

.yp-btn-text {
  background: transparent;
  color: var(--yp-primary);
  padding: 0;
}
.yp-btn-text:hover {
  text-decoration: underline;
}

.yp-btn:disabled,
.yp-btn-disabled {
  background-color: var(--yp-border);
  color: var(--yp-text-muted);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.yp-btn-sm { padding: 8px 16px; font-size: var(--yp-font-size-sm); }
.yp-btn-lg { padding: 16px 32px; font-size: var(--yp-font-size-md); }

/* --- Cards --- */
.yp-card {
  background: var(--yp-bg-white);
  border-radius: var(--yp-radius-lg);
  box-shadow: var(--yp-shadow-md);
  overflow: hidden;
  transition: all var(--yp-transition-base);
}
.yp-card:hover {
  box-shadow: var(--yp-shadow-hover);
  transform: translateY(-2px);
}

/* --- Form Elements --- */
.yp-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--yp-border);
  border-radius: var(--yp-radius-md);
  font-family: var(--yp-font-family);
  font-size: var(--yp-font-size-base);
  color: var(--yp-text-primary);
  background: var(--yp-bg-white);
  transition: border-color var(--yp-transition-fast);
}
.yp-input:focus {
  outline: none;
  border-color: var(--yp-primary);
  box-shadow: 0 0 0 3px rgba(74,86,153,0.15);
}
.yp-input::placeholder {
  color: var(--yp-text-muted);
}

/* --- Section Spacing --- */
.yp-section {
  padding: var(--yp-space-3xl) 0;
}
.yp-section-title {
  text-align: center;
  margin-bottom: var(--yp-space-xl);
}
.yp-section-title h2 {
  margin-bottom: var(--yp-space-sm);
}
.yp-section-title p {
  color: var(--yp-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Grid --- */
.yp-grid {
  display: grid;
  gap: var(--yp-gutter);
}
.yp-grid-2 { grid-template-columns: repeat(2, 1fr); }
.yp-grid-3 { grid-template-columns: repeat(3, 1fr); }
.yp-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================
   HEADER OVERRIDES
   ============================================ */
.yippeeyo-theme .site-header {
  background-color: var(--yp-bg-white);
  border-bottom: 1px solid var(--yp-border-light);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 999;
}

.yippeeyo-theme .site-header .col-full {
  max-width: var(--yp-container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding: 12px var(--yp-gutter);
}

.yippeeyo-theme .site-branding {
  flex-shrink: 0;
}

.yippeeyo-theme .site-branding img {
  max-height: 48px;
  width: auto;
}

.yippeeyo-theme .storefront-primary-navigation {
  flex: 1;
}

.yippeeyo-theme .main-navigation ul.menu > li > a,
.yippeeyo-theme .main-navigation ul.nav-menu > li > a {
  font-family: var(--yp-font-family);
  font-weight: 500;
  font-size: var(--yp-font-size-base);
  color: var(--yp-text-primary);
  padding: 10px 16px;
  transition: color var(--yp-transition-fast);
}

.yippeeyo-theme .main-navigation ul.menu > li > a:hover,
.yippeeyo-theme .main-navigation ul.menu > li.current-menu-item > a {
  color: var(--yp-primary);
}

/* Header icons */
.yippeeyo-theme .site-header-cart .cart-contents {
  color: var(--yp-text-primary);
  font-weight: 500;
}
.yippeeyo-theme .site-header-cart .cart-contents:hover {
  color: var(--yp-primary);
}
.yippeeyo-theme .site-header-cart .count {
  background-color: var(--yp-primary);
  color: var(--yp-text-white);
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--yp-radius-full);
  min-width: 20px;
  height: 20px;
  line-height: 20px;
  text-align: center;
}

/* ============================================
   FOOTER OVERRIDES
   ============================================ */
.yippeeyo-theme .site-footer {
  background-color: var(--yp-text-primary);
  color: var(--yp-text-white);
  padding: var(--yp-space-2xl) 0 var(--yp-space-lg);
}

.yippeeyo-theme .site-footer a {
  color: rgba(255,255,255,0.7);
}
.yippeeyo-theme .site-footer a:hover {
  color: var(--yp-text-white);
}

.yp-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--yp-space-xl);
  max-width: var(--yp-container);
  margin: 0 auto;
  padding: 0 var(--yp-gutter);
}

.yp-footer-widget h3,
.yp-footer-widget .widget-title {
  color: var(--yp-text-white);
  font-size: var(--yp-font-size-md);
  margin-bottom: var(--yp-space-md);
}

.yp-footer-social {
  display: flex;
  gap: var(--yp-space-md);
  margin-top: var(--yp-space-md);
}
.yp-footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--yp-radius-full);
  background: rgba(255,255,255,0.1);
  transition: all var(--yp-transition-fast);
}
.yp-footer-social a:hover {
  background: var(--yp-primary);
  transform: scale(1.1);
}
.yp-footer-social img {
  width: 20px;
  height: 20px;
}

.yp-footer-payment {
  display: flex;
  gap: var(--yp-space-md);
  align-items: center;
  margin-top: var(--yp-space-md);
}
.yp-footer-payment img {
  height: 28px;
  opacity: 0.8;
}

.yp-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: var(--yp-space-xl);
  padding-top: var(--yp-space-lg);
  text-align: center;
  font-size: var(--yp-font-size-sm);
  color: rgba(255,255,255,0.5);
}

/* ============================================
   WOOCOMMERCE PRODUCT CARD OVERRIDES
   ============================================ */
.yippeeyo-theme ul.products li.product {
  background: var(--yp-bg-white);
  border-radius: var(--yp-radius-lg);
  box-shadow: var(--yp-shadow-sm);
  overflow: hidden;
  transition: all var(--yp-transition-base);
  padding-bottom: var(--yp-space-md);
}
.yippeeyo-theme ul.products li.product:hover {
  box-shadow: var(--yp-shadow-hover);
  transform: translateY(-3px);
}

.yippeeyo-theme ul.products li.product a img {
  border-radius: var(--yp-radius-lg) var(--yp-radius-lg) 0 0;
  margin-bottom: var(--yp-space-sm);
}

.yippeeyo-theme ul.products li.product .woocommerce-loop-product__title {
  font-family: var(--yp-font-family);
  font-size: var(--yp-font-size-base);
  font-weight: 600;
  color: var(--yp-text-primary);
  padding: 0 var(--yp-space-md);
}

.yippeeyo-theme ul.products li.product .price {
  color: var(--yp-primary);
  font-weight: 700;
  font-size: var(--yp-font-size-md);
  padding: 0 var(--yp-space-md);
}
.yippeeyo-theme ul.products li.product .price del {
  color: var(--yp-text-muted);
  font-weight: 400;
  font-size: var(--yp-font-size-sm);
}

.yippeeyo-theme ul.products li.product .star-rating {
  margin: var(--yp-space-xs) var(--yp-space-md);
}

.yippeeyo-theme ul.products li.product .button,
.yippeeyo-theme ul.products li.product .add_to_cart_button {
  background-color: var(--yp-primary);
  color: var(--yp-text-white);
  border-radius: var(--yp-radius-md);
  font-family: var(--yp-font-family);
  font-weight: 600;
  font-size: var(--yp-font-size-sm);
  padding: 10px 20px;
  margin: var(--yp-space-sm) var(--yp-space-md);
  transition: all var(--yp-transition-fast);
  border: none;
}
.yippeeyo-theme ul.products li.product .button:hover,
.yippeeyo-theme ul.products li.product .add_to_cart_button:hover {
  background-color: var(--yp-primary-light);
}

/* Sale badge */
.yippeeyo-theme ul.products li.product .onsale,
.yippeeyo-theme .single-product .onsale {
  background-color: var(--yp-error);
  color: var(--yp-text-white);
  font-weight: 700;
  border-radius: var(--yp-radius-md);
  padding: 4px 12px;
  font-size: var(--yp-font-size-sm);
}

/* ============================================
   SINGLE PRODUCT PAGE
   ============================================ */
.yippeeyo-theme .single-product div.product .summary {
  font-family: var(--yp-font-family);
}

.yippeeyo-theme .single-product div.product .product_title {
  font-size: var(--yp-font-size-2xl);
  font-weight: 700;
  color: var(--yp-text-primary);
}

.yippeeyo-theme .single-product div.product p.price {
  color: var(--yp-primary);
  font-size: var(--yp-font-size-xl);
  font-weight: 700;
}

.yippeeyo-theme .single-product div.product .single_add_to_cart_button {
  background-color: var(--yp-primary);
  color: var(--yp-text-white);
  border-radius: var(--yp-radius-md);
  font-weight: 600;
  padding: 14px 32px;
  font-size: var(--yp-font-size-md);
  transition: all var(--yp-transition-fast);
  border: none;
}
.yippeeyo-theme .single-product div.product .single_add_to_cart_button:hover {
  background-color: var(--yp-primary-light);
  box-shadow: var(--yp-shadow-hover);
}

/* Quantity input */
.yippeeyo-theme .quantity .qty {
  border: 1px solid var(--yp-border);
  border-radius: var(--yp-radius-md);
  font-family: var(--yp-font-family);
  padding: 10px;
  width: 70px;
  text-align: center;
}

/* Tabs */
.yippeeyo-theme .woocommerce-tabs ul.tabs li a {
  font-family: var(--yp-font-family);
  font-weight: 600;
  color: var(--yp-text-secondary);
}
.yippeeyo-theme .woocommerce-tabs ul.tabs li.active a {
  color: var(--yp-primary);
}

/* ============================================
   CART & CHECKOUT
   ============================================ */
.yippeeyo-theme .woocommerce-cart .cart-collaterals .cart_totals {
  background: var(--yp-bg-light);
  border-radius: var(--yp-radius-lg);
  padding: var(--yp-space-lg);
}

.yippeeyo-theme .wc-proceed-to-checkout .checkout-button {
  background-color: var(--yp-primary);
  color: var(--yp-text-white);
  border-radius: var(--yp-radius-md);
  font-weight: 600;
  font-size: var(--yp-font-size-md);
  padding: 16px;
  transition: all var(--yp-transition-fast);
}
.yippeeyo-theme .wc-proceed-to-checkout .checkout-button:hover {
  background-color: var(--yp-primary-light);
}

.yippeeyo-theme #place_order {
  background-color: var(--yp-primary);
  border-radius: var(--yp-radius-md);
  font-weight: 600;
  font-size: var(--yp-font-size-md);
}
.yippeeyo-theme #place_order:hover {
  background-color: var(--yp-primary-light);
}

/* ============================================
   MY ACCOUNT
   ============================================ */
.yippeeyo-theme .woocommerce-MyAccount-navigation ul {
  list-style: none;
  padding: 0;
}
.yippeeyo-theme .woocommerce-MyAccount-navigation ul li a {
  display: flex;
  align-items: center;
  gap: var(--yp-space-sm);
  padding: 12px 16px;
  border-radius: var(--yp-radius-md);
  color: var(--yp-text-secondary);
  font-weight: 500;
  transition: all var(--yp-transition-fast);
}
.yippeeyo-theme .woocommerce-MyAccount-navigation ul li a:hover,
.yippeeyo-theme .woocommerce-MyAccount-navigation ul li.is-active a {
  background-color: rgba(74,86,153,0.08);
  color: var(--yp-primary);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.yp-text-center { text-align: center; }
.yp-text-muted  { color: var(--yp-text-muted); }
.yp-mt-sm { margin-top: var(--yp-space-sm); }
.yp-mt-md { margin-top: var(--yp-space-md); }
.yp-mt-lg { margin-top: var(--yp-space-lg); }
.yp-mb-sm { margin-bottom: var(--yp-space-sm); }
.yp-mb-md { margin-bottom: var(--yp-space-md); }
.yp-mb-lg { margin-bottom: var(--yp-space-lg); }
.yp-hidden { display: none !important; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1023px) {
  .yp-grid-4 { grid-template-columns: repeat(3, 1fr); }
  .yp-footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  :root {
    --yp-font-size-3xl: 28px;
    --yp-font-size-2xl: 22px;
    --yp-font-size-xl: 20px;
    --yp-space-3xl: 48px;
    --yp-space-2xl: 40px;
  }
  .yp-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .yp-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .yp-footer-grid { grid-template-columns: 1fr; }
  .yp-section { padding: var(--yp-space-2xl) 0; }
}

@media (max-width: 424px) {
  .yp-grid-2 { grid-template-columns: 1fr; }
}