:root {
      --primary-green: #084c41;
      --accent-gold: #c5a47e;
      --light-bg: #f8f7f5;
      --text-dark: #212529;
      --text-light: #212529;
      --border-color: #e9e9e9;
      --font-heading: 'Playfair Display', serif;
      --font-body: 'Montserrat', sans-serif;
    }

    body {
      background-color: var(--light-bg);
      font-family: var(--font-body);
    }

    body.summary-panel-open,
    body.modal-open {
      overflow: hidden;
    }

    .hero-section {
      padding: 6rem 0;
      background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('images/hero_1.jpg');
      background-size: cover;
      background-position: center center;
      color: #fff;
      text-align: center;
    }

    .hero-section .site-section-heading {
      font-family: var(--font-heading);
      font-weight: 600;
      font-size: 3.5rem;
      color: #fff;
    }

    .hero-section p {
      font-size: 1.2rem;
      max-width: 650px;
      margin: 1rem auto 0;
      color: rgba(255, 255, 255, 0.9);
    }

    /* --- Togglable Filter Bar Styles --- */
    .controls-section {
      max-height: 0;
      overflow: hidden;
      padding-top: 0;
      padding-bottom: 0;
      opacity: 0;
      border-bottom: none;
      transition: max-height 0.5s ease-in-out, opacity 0.3s ease-in-out, padding 0.5s ease-in-out, border 0.5s;
    }

    .controls-section.is-visible {
      max-height: 500px;
      opacity: 1;
      padding: 2.5rem 0;
      border-bottom: 1px solid var(--border-color);
    }

    .filter-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: #fff;
      padding: 1rem 1.5rem;
      border-radius: 50px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    }

    .filter-group {
      display: flex;
      align-items: center;
      position: relative;
    }

    .filter-group i {
      margin-right: 12px;
      color: var(--text-light);
      font-size: 1rem;
    }

    .filter-bar .form-control-custom {
      border: none;
      background: transparent;
      box-shadow: none !important;
      -webkit-appearance: none;
      -moz-appearance: none;
      appearance: none;
      padding-right: 25px;
      cursor: pointer;
      color: var(--text-dark);
      font-weight: 500;
    }

    .filter-group.search-group i {
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      pointer-events: none;
    }

    .filter-group.search-group .form-control-custom {
      padding-left: 35px;
    }

    .filter-group select.form-control-custom {
      background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
      background-repeat: no-repeat;
      background-position: right 0.5rem center;
      background-size: 16px 12px;
    }

    .filter-close-btn {
      cursor: pointer;
      color: var(--text-light);
      font-size: 1.2rem;
      padding: 0 0 0 20px;
      transition: color 0.2s;
    }

    .filter-close-btn:hover {
      color: var(--text-dark);
    }

    /* --- NEW: Beautiful Filter Toggle Button --- */
    .product-list-header {
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 1rem;
    }

    .product-list-header h2 {
      font-family: var(--font-heading);
      font-size: 1.8rem;
      margin: 0;
    }

    .filter-toggle-btn {
      background: none;
      border: none;
      color: var(--text-light);
      font-weight: 500;
      font-size: 0.95rem;
      padding: 5px;
      cursor: pointer;
      transition: color 0.3s ease;
    }

    .filter-toggle-btn:hover,
    .filter-toggle-btn:focus {
      color: var(--primary-green);
      text-decoration: none;
      outline: none;
    }

    /* Product Grid */
    .product-grid {
      padding: 4rem 0 5rem;
    }

    .product-item {
      background: #fff;
      border: 1px solid var(--border-color);
      padding: 20px;
      text-align: center;
      margin-bottom: 30px;
      cursor: pointer;
      transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
      position: relative;
      border-radius: 4px;
    }

    .product-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
    }

    .product-item.selected {
      transform: translateY(-5px);
      box-shadow: 0 0 0 2px var(--accent-gold), 0 10px 30px rgba(197, 164, 126, 0.3);
      border-color: var(--accent-gold);
    }

    .product-item img {
      height: 160px;
      object-fit: contain;
      margin-bottom: 1.5rem;
    }

    .product-title {
      font-family: var(--font-body);
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 5px;
    }

    .product-price {
      font-size: 1rem;
      color: var(--primary-green);
      font-weight: 500;
    }

    .product-item .quick-view-btn {
      position: absolute;
      top: 10px;
      right: 10px;
      height: 30px;
      width: 30px;
      background: rgba(0, 0, 0, 0.05);
      color: var(--text-dark);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.3s;
    }

    .product-item:hover .quick-view-btn {
      opacity: 1;
    }

    .product-item.selected .quick-view-btn {
      display: none;
    }

    .sampler-summary {
      background: #fff;
      padding: 30px;
      border: 1px solid var(--border-color);
      border-radius: 4px;
    }

    .sampler-summary h3 {
      font-family: var(--font-heading);
      font-size: 1.8rem;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 15px;
      margin-bottom: 20px;
    }

    #selected-items-list li,
    #selected-items-list-mobile li {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 5px;
      border-bottom: 1px solid #f0f0f0;
    }

    #total-price,
    #total-price-mobile {
      color: var(--primary-green);
      font-weight: 600;
      font-size: 1.5rem;
    }

    .primary-btn {
      background: linear-gradient(45deg, #0a5c4f, var(--primary-green));
      border: none;
      color: #fff;
      border-radius: 50px;
      padding: 14px 30px;
      font-size: 0.9rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      transition: all 0.3s ease;
      box-shadow: 0 4px 15px rgba(8, 76, 65, 0.2);
    }

    .primary-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 7px 20px rgba(8, 76, 65, 0.3);
    }

    .primary-btn:disabled {
      background: #ccc;
      box-shadow: none;
      cursor: not-allowed;
    }

    .toast-notification {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--text-dark);
      color: #fff;
      padding: 12px 25px;
      border-radius: 30px;
      z-index: 2000;
      font-size: 0.9rem;
      opacity: 0;
      transition: opacity 0.3s, bottom 0.3s;
    }

    .toast-notification.show {
      opacity: 1;
      bottom: 90px;
    }

    @media (min-width: 992px) {
      .toast-notification.show {
        bottom: 20px;
      }
    }

    .mobile-fab {
      display: none;
      position: fixed;
      bottom: 20px;
      left: 50%;
      z-index: 1020;
    }

    .mobile-summary-panel {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      z-index: 1030;
      transform: translateY(100%);
      transition: transform 0.35s ease-in-out;
    }

    .mobile-summary-panel.is-visible {
      transform: translateY(0);
    }

    .summary-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5);
      z-index: 1025;
    }

    #quickViewModal .modal-body {
      display: flex;
    }

    #quickViewModal img {
      max-width: 40%;
      height: auto;
      object-fit: contain;
    }

    #quickViewModal .product-details {
      padding-left: 25px;
    }

    @media (max-width: 991.98px) {
      .mobile-fab {
        display: block;
      }

      .desktop-summary-wrapper {
        display: none;
      }

      .hero-section .site-section-heading {
        font-size: 2.5rem;
      }

      .filter-bar {
        flex-direction: column;
        border-radius: 10px;
        align-items: stretch;
        padding: 1rem;
        position: relative;
      }

      .filter-group {
        border: 1px solid var(--border-color);
        border-radius: 8px;
        padding: 5px 15px;
        margin-bottom: 1rem;
      }

      .filter-group:last-child {
        margin-bottom: 0;
      }

      .filter-group i {
        left: 15px;
      }

      .filter-group.search-group i {
        position: static;
      }

      .filter-group.search-group .form-control-custom {
        padding-left: 0;
      }

      .filter-close-btn {
        position: absolute;
        top: 1rem;
        right: 1rem;
        padding: 0;
      }

      .product-list-header h2 {
        font-size: 1.5rem;
      }
    }

    @media (max-width: 767px) {
      #quickViewModal .modal-body {
        flex-direction: column;
        text-align: center;
      }

      #quickViewModal img {
        max-width: 60%;
        margin: 0 auto 20px;
      }

      #quickViewModal .product-details {
        padding-left: 0;
      }
    }

    @media (min-width: 992px) {
      .mobile-summary-panel {
        display: none;
      }

      .sampler-summary {
        position: sticky;
        top: 40px;
      }
    }