/* Thai-safe heading leading — restores upper marks (ี ้ ่ ๊ ็) that tight line-height clips */
      .loa-body h1 { line-height: 1.35; }
      .loa-body h2 { line-height: 1.4; }
      .loa-body h3 { line-height: 1.45; }
      /* .gradient-text uses background-clip:text which trims to the line box — pad so the paint box covers the marks */
      .loa-body .gradient-text { padding-top: 0.15em; }

      /* LINE CI button (#06C755) */
      .loa-btn-line {
        background: #06c755;
        color: #fff;
        box-shadow: 0 8px 30px rgba(6, 199, 85, 0.3);
      }
      .loa-btn-line:hover {
        background: #05b14b;
        box-shadow: 0 12px 44px rgba(6, 199, 85, 0.45);
      }

      /* Theme-aware frosted glass (pills / badges) */
      .loa-glass {
        backdrop-filter: blur(12px);
      }
      [data-theme="dark"] .loa-glass {
        background: rgba(255, 255, 255, 0.05);
      }
      [data-theme="light"] .loa-glass {
        background: rgba(255, 255, 255, 0.65);
        border: 1px solid var(--color-border);
      }

      /* Navbar scroll treatment (mirrors main site) */
      #sale-navbar.scrolled {
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--color-border);
      }
      [data-theme="dark"] #sale-navbar.scrolled {
        background-color: rgba(10, 10, 10, 0.85);
      }
      [data-theme="light"] #sale-navbar.scrolled {
        background-color: rgba(255, 255, 255, 0.9);
      }

      /* Strike-through emphasis on "ไม่สำเร็จรูป" */
      .loa-strike {
        position: relative;
        color: var(--color-text-muted);
      }
      .loa-strike::after {
        content: "";
        position: absolute;
        left: -2%;
        right: -2%;
        top: 54%;
        height: 0.1em;
        background: var(--color-brand-red);
        transform: scaleX(0);
        transform-origin: left;
        animation: loa-strike 0.9s 0.6s cubic-bezier(0.7, 0, 0.2, 1) forwards;
      }
      @keyframes loa-strike {
        to {
          transform: scaleX(1);
        }
      }
      .loa-strike-dim {
        position: relative;
        color: var(--color-text-muted);
      }
      .loa-strike-dim::after {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        top: 55%;
        height: 0.08em;
        background: var(--color-text-muted);
        opacity: 0.6;
      }

      /* Accent card */
      .loa-card-accent {
        border-color: rgba(240, 77, 45, 0.3) !important;
        box-shadow: 0 0 40px rgba(240, 77, 45, 0.06);
      }

      /* Fit Check buttons */
      .loa-btn-yes[aria-pressed="true"] {
        background: var(--color-brand-red);
        color: #fff;
        border-color: var(--color-brand-red);
      }
      .loa-btn-no[aria-pressed="true"] {
        background: var(--color-background-offset);
        color: var(--color-text-muted);
      }
      .loa-check.is-yes {
        border-color: rgba(240, 77, 45, 0.3);
        background: rgba(240, 77, 45, 0.05);
      }

      /* Meter fill = brand gradient */
      .loa-meter-fill {
        background: linear-gradient(
          90deg,
          var(--color-brand-red),
          var(--color-brand-pink-red)
        );
        box-shadow: 0 0 12px rgba(240, 77, 45, 0.5);
        transition: width 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
      }

      /* Node top accent on hover */
      .loa-node {
        position: relative;
        overflow: hidden;
      }
      .loa-node::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 2px;
        background: linear-gradient(
          90deg,
          var(--color-brand-red),
          var(--color-brand-pink-red)
        );
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.4s;
      }
      .loa-node:hover::before {
        transform: scaleX(1);
      }

      /* Sticky desktop rail */
      .loa-rail {
        position: fixed;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        z-index: 45;
        display: none;
      }
      @media (min-width: 1024px) {
        .loa-rail {
          display: block;
        }
      }
      .loa-rail-btn {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.9rem 0.6rem;
        background: var(--color-background-card);
        border: 1px solid var(--color-border);
        border-right: none;
        border-radius: 12px 0 0 12px;
        color: var(--color-text);
        transition: all 0.25s;
      }
      .loa-rail-btn:hover {
        border-color: rgba(6, 199, 85, 0.4);
        transform: translateX(-2px);
      }
      .loa-rail-vlabel {
        writing-mode: vertical-rl;
        transform: rotate(180deg);
        font-size: 0.7rem;
        line-height: 1.4;
        letter-spacing: 0.12em;
        color: #06c755;
      }
      .loa-rail-line {
        width: 1px;
        height: 28px;
        background: var(--color-border);
      }

      /* Mobile CTA */
      .loa-mobile-cta {
        position: fixed;
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
        z-index: 50;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        padding: 0.95rem 1rem;
        background: linear-gradient(
          135deg,
          var(--color-brand-red),
          var(--color-brand-pink-red)
        );
        color: #fff;
        font-weight: 600;
        font-size: 0.95rem;
        border-radius: 14px;
        box-shadow: 0 10px 40px rgba(240, 77, 45, 0.4);
      }
      @media (min-width: 768px) {
        .loa-mobile-cta {
          display: none;
        }
      }

      /* QR corners */
      .loa-qr-corner {
        position: absolute;
        width: 14px;
        height: 14px;
        border: 2px solid var(--color-brand-red);
      }
      .loa-qr-corner.top {
        border-bottom: none;
      }
      .loa-qr-corner.left {
        border-right: none;
      }
      .loa-qr-corner.top.left {
        border-top: 2px solid var(--color-brand-red);
        border-left: 2px solid var(--color-brand-red);
        border-right: none;
        border-bottom: none;
      }
      .loa-qr-corner.top.right {
        border-top: 2px solid var(--color-brand-red);
        border-right: 2px solid var(--color-brand-red);
        border-left: none;
        border-bottom: none;
      }
      .loa-qr-corner.bottom.left {
        border-bottom: 2px solid var(--color-brand-red);
        border-left: 2px solid var(--color-brand-red);
        border-top: none;
        border-right: none;
      }
      .loa-qr-corner.bottom.right {
        border-bottom: 2px solid var(--color-brand-red);
        border-right: 2px solid var(--color-brand-red);
        border-top: none;
        border-left: none;
      }

      @media (prefers-reduced-motion: reduce) {
        .loa-strike::after {
          transform: scaleX(1);
          animation: none;
        }
      }