/* ==========================================================================
   Skate Go - CENTRALIZED DESIGN SYSTEM & THEMES
   File: assets/css/main.css
   ========================================================================== */

/* 1. Design System Tokens */
:root {
  /* DEFAULT LIGHT THEME (Red + Soft Yellow + White) */
  --color-primary:          #AB1509; /* Deep Rich Red (Ref Image 1) */
  --color-primary-hover:    #850F06;
  --color-secondary:        #FFF7D3; /* Soft Yellow (Ref Image 1) */
  --color-secondary-dark:   #EAE0B5;
  --color-background:       #FAFAFC;
  --color-surface:          #FFFFFF;
  --color-surface-secondary:#FFFDF2;
  --color-card:             #FFFFFF;
  --color-card-border:      #E6E6EC;
  --color-text-main:        #111113;
  --color-text-secondary:   #52525B;
  --color-success:         #00A854;
  --color-danger:          #DC2626;
  --color-shadow:           rgba(171, 21, 9, 0.08);

  /* Glassmorphism Tokens (Light Fallback) */
  --glass-bg:               rgba(255, 255, 255, 0.85);
  --glass-border:           rgba(0, 0, 0, 0.08);
  --glass-blur:             0px;
  --glass-shadow:           0 10px 30px rgba(0, 0, 0, 0.05);

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  --max-width-container: 1240px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* DARK THEME (Dark Glassmorphism - Ref Image 2) */
[data-theme="dark"] {
  --color-primary:          #E5232A; /* Rich Glowing Red */
  --color-primary-hover:    #FF3B44;
  --color-secondary:        #2A1215;
  --color-secondary-dark:   #1A0A0C;
  --color-background:       #090809;
  --color-surface:          rgba(22, 18, 19, 0.65);
  --color-surface-secondary:rgba(35, 24, 25, 0.6);
  --color-card:             rgba(255, 255, 255, 0.04);
  --color-card-border:      rgba(255, 255, 255, 0.12);
  --color-text-main:        #F4F4F6;
  --color-text-secondary:   #A1A1AA;
  --color-success:         #00E676;
  --color-danger:          #EF4444;
  --color-shadow:           rgba(0, 0, 0, 0.5);

  /* Glassmorphism Tokens (Dark Active) */
  --glass-bg:               rgba(24, 18, 18, 0.62);
  --glass-border:           rgba(255, 255, 255, 0.14);
  --glass-blur:             16px;
  --glass-shadow:           0 16px 40px rgba(0, 0, 0, 0.6);
}

/* 2. Global Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  background-color: var(--color-background);
  color: var(--color-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

body {
  background-color: var(--color-background);
  color: var(--color-text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-main);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

p {
  color: var(--color-text-secondary);
}

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

ul, ol {
  list-style: none;
}

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

/* Container Helper */
.container {
  width: 100%;
  max-width: var(--max-width-container);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Base Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 48px;
  text-align: center;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--color-shadow);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(171, 21, 9, 0.3);
}

.btn-buy-now {
  background-color: var(--color-text-main);
  color: var(--color-background);
}

.btn-buy-now:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-card-border);
  color: var(--color-text-main);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: rgba(171, 21, 9, 0.05);
  transform: translateY(-1px);
}

.btn-share {
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  color: var(--color-text-main);
}

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

.btn-full {
  width: 100%;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  min-height: 38px;
}

/* Glassmorphism Panel Class */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* ==========================================================================
   PRODUCT DETAIL PAGE (PDP) STYLES
   ========================================================================== */

.pdp-container {
  padding-top: 1.5rem;
  padding-bottom: 4rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb-separator {
  color: var(--color-text-secondary);
  opacity: 0.5;
}

.breadcrumb-current {
  color: var(--color-text-main);
  font-weight: 600;
}

.pdp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 860px) {
  .pdp-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: 3rem;
  }
}

.pdp-main-image-wrap {
  position: relative;
  background-color: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  max-height: 480px;
  overflow: hidden;
}

.pdp-main-image-wrap img {
  max-width: 100%;
  max-height: 400px;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.discount-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 900;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
  z-index: 2;
}

.thumb-btn {
  background: var(--color-card);
  border: 2px solid var(--color-card-border);
  border-radius: var(--radius-sm);
  padding: 0.3rem;
  width: 70px;
  height: 70px;
  flex-shrink: 0;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.thumb-btn.active, .thumb-btn:hover {
  border-color: var(--color-primary);
}

.pdp-category-badge {
  background: var(--color-secondary);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}

.stock-status-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-success);
}

.pdp-price {
  font-size: 1.85rem;
  font-weight: 900;
  color: var(--color-primary);
}

.pdp-original-price {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  text-decoration: line-through;
}

.variant-chip {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  color: var(--color-text-main);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.variant-chip.active, .variant-chip:hover {
  border-color: var(--color-primary);
  background-color: var(--color-secondary);
  color: var(--color-primary);
}

.quantity-control {
  display: inline-flex;
  align-items: center;
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-sm);
}

.qty-btn {
  background: transparent;
  border: none;
  color: var(--color-text-main);
  font-size: 1.25rem;
  font-weight: 700;
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qty-btn:hover {
  color: var(--color-primary);
}

.pdp-toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 8px 24px var(--color-shadow);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  z-index: 9999;
}

.pdp-toast.show {
  transform: translateY(0);
  opacity: 1;
}