/* ================================================
   styles.css — Adesivos Camaradas
   Craft aesthetic: soft pastels, rounded corners,
   clean and fully responsive layout.
   ================================================ */

/* ---------- CSS VARIABLES (easy theming) ---------- */
:root {
    --color-bg:            #f7f6f0;
    --color-header-bg:     #a22923;
    --color-primary:       #f8f3f3;
    --color-shop-name:       #ffffff;
    --color-primary-hover: #dd4b43;
    --color-secondary:     #FDA1A2;
    --color-secondary-hover: #ab696a;
    --color-accent:        #FDA1A2;
    --color-card-bg:       #ffffff;
    --color-text:          #4a4343;
    --color-filter-title:          #4a4343;
    --color-text-light:    #b19c9c;
    --color-text-total:    #d6463e;
    --color-border:        #f0dce8;
    --color-cart-bg:       #a22923;
    --color-footer-bg:     #251842;
    --color-whatsapp:      #25d366;
    --color-whatsapp-hover:#1dba57;
    --radius:              16px;
    --radius-sm:           8px;
    --shadow:              0 4px 16px rgba(232, 112, 154, 0.12);
    --transition:          0.2s ease;
    --font:                'Inter', sans-serif;
  }

  /* ---------- RESET & BASE ---------- */
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  @supports (font-variation-settings: normal) {
    body {
        font-family: var(--font);
        background-color: var(--color-bg);
        color: var(--color-text);
        line-height: 1.6;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }
  }
  
  img {
    display: block;
    max-width: 100%;
  }
  
  button {
    cursor: pointer;
    font-family: inherit;
  }
  
  /* ---------- HEADER ---------- */
  .header {
    background-color: var(--color-header-bg);
    padding: 2rem 1rem 1.5rem;
    text-align: center;
  }
  
  .shop-name {
    font-size: 2.2rem;
    color: var(--color-shop-name);
    letter-spacing: 0.5px;
  }
  
  .shop-tagline {
    color: var(--color-text-light);
    font-size: 1rem;
    margin-top: 0.3rem;
  }
  
  /* ---------- MAIN ---------- */
  .main {
    flex: 1;
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem 1rem 3rem;
  }
  
  /* ---------- INTRO ---------- */
  .intro {
    background-color: var(--color-accent);
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    font-size: 0.97rem;
    text-align: center;
  }
  
  /* ---------- FILTER SECTION ---------- */
  .filter-section {
    margin-bottom: 2rem;
  }
  
  .filter-title {
    font-size: 1.05rem;
    color: var(--color-filter-title);
    margin-bottom: 0.75rem;
    font-weight: 600;
  }
  
  .filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .filter-btn {
    background-color: var(--color-card-bg);
    color: var(--color-text);
    border: 2px solid var(--color-border);
    border-radius: 999px;
    padding: 0.4rem 1rem;
    font-size: 0.88rem;
    font-weight: 500;
    transition:
      background-color var(--transition),
      color var(--transition),
      border-color var(--transition);
  }
  
  .filter-btn:hover {
    background-color: var(--color-header-bg);
    border-color: var(--color-primary);
  }
  
  .filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-text);
    border-color: var(--color-primary);
  }
  
  /* ---------- STICKER GRID ---------- */
  .sticker-section {
    margin-bottom: 3rem;
  }
  
  .sticker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
  }
  
  /* ---------- STICKER CARD ---------- */
  .sticker-card {
    background-color: var(--color-card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1.5px solid var(--color-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition);
  }
  
  .sticker-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(232, 112, 154, 0.2);
  }

  .sticker-card__image-wrapper {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background-color: var(--color-bg);
  }
  
  .sticker-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background-color: var(--color-bg);
    transition: transform 0.35s ease;
    transform-origin: center center;
  }

  .sticker-card:hover .sticker-card__image {
    transform: scale(1.80);
  }
  
  .sticker-card__body {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 0.3rem;
  }
  
  .sticker-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
  }
  
  .sticker-card__description {
    font-size: 0.85rem;
    color: var(--color-text-light);
    flex: 1;
  }
  
  .sticker-card__material {
    font-size: 0.78rem;
    background-color: var(--color-header-bg);
    color: var(--color-primary);
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    font-weight: 600;
    align-self: flex-start;
    margin-top: 0.2rem;
  }
  
  .sticker-card__price {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text);
    margin-top: 0.3rem;
  }
  
  .sticker-card__btn {
    margin-top: 0.8rem;
    background-color: var(--color-secondary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.55rem 0.8rem;
    font-size: 0.88rem;
    font-weight: 600;
    transition: background-color var(--transition), transform var(--transition);
  }
  
  .sticker-card__btn:hover {
    background-color: var(--color-secondary-hover);
    transform: scale(1.02);
  }
  
  .sticker-card__btn:active {
    transform: scale(0.98);
  }
  
  /* ---------- SHOPPING CART ---------- */
  .cart-section {
    background-color: var(--color-cart-bg);
    border-radius: var(--radius);
    border: 2px dashed var(--color-border);
    padding: 1.5rem;
  }
  
  .cart-title {
    font-size: 1.4rem;
    color: var(--color-primary);
    margin-bottom: 1.2rem;
  }
  
  .cart-empty {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.97rem;
    padding: 1.5rem 0;
  }
  
  /* Cart item row */
  .cart-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background-color: #ffffff;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--color-border);
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
  }
  
  .cart-item__info {
    flex: 1;
    min-width: 140px;
  }
  
  .cart-item__title {
    font-weight: 700;
    font-size: 0.95rem;
  }
  
  .cart-item__material {
    font-size: 0.78rem;
    color: var(--color-text-light);
  }
  
  .cart-item__unit-price {
    font-size: 0.82rem;
    color: var(--color-text-light);
  }
  
  /* Quantity controls */
  .cart-item__qty-controls {
    display: flex;
    align-items: center;
    gap: 0.4rem;
  }
  
  .cart-item__qty-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    background-color: #ffffff;
    color: var(--color-primary);
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: background-color var(--transition);
  }
  
  .cart-item__qty-btn:hover {
    background-color: var(--color-header-bg);
  }
  
  .cart-item__qty {
    min-width: 24px;
    text-align: center;
    font-weight: 700;
    font-size: 0.95rem;
  }
  
  .cart-item__subtotal {
    font-weight: 700;
    font-size: 0.95rem;
    min-width: 64px;
    text-align: right;
  }
  
  .cart-item__remove-btn {
    background: none;
    border: none;
    color: var(--color-primary-hover);
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    text-decoration: underline;
    transition: background-color var(--transition);
  }
  
  .cart-item__remove-btn:hover {
    background-color: #fce4ee;
  }
  
  /* Cart footer */
  .cart-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.2rem;
    padding-top: 1rem;
    border-top: 2px solid var(--color-border);
  }
  
  .cart-total {
    font-size: 1.15rem;
    font-weight: 700;
  }
  
  .cart-total span {
    color: var(--color-primary);
  }
  
  .cart-buy-btn {
    background-color: var(--color-whatsapp);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.65rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color var(--transition), transform var(--transition);
  }
  
  .cart-buy-btn:hover {
    background-color: var(--color-whatsapp-hover);
    transform: scale(1.02);
  }
  
  .cart-buy-btn:active {
    transform: scale(0.98);
  }
  
  /* ---------- FOOTER ---------- */
  .footer {
    background-color: var(--color-footer-bg);
    text-align: center;
    padding: 1.2rem 1rem;
    font-size: 0.85rem;
    color: var(--color-text-light);
  }
  
  /* ---------- RESPONSIVE — Mobile ---------- */
  @media (max-width: 600px) {
    .shop-name {
      font-size: 1.6rem;
    }
  
    .sticker-grid {
      grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
      gap: 1rem;
    }
  
    .cart-item {
      flex-direction: column;
      align-items: flex-start;
    }
  
    .cart-item__subtotal {
      text-align: left;
    }
  
    .cart-footer {
      flex-direction: column;
      align-items: stretch;
      text-align: center;
    }
  
    .cart-buy-btn {
      justify-content: center;
    }
  }