/* Technical Whitepaper modal — emoX landing, matches changelog warmth */

#lpWhitepaperModal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10055;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
    background: rgba(2, 8, 5, 0.78);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#lpWhitepaperModal.is-open {
    display: flex;
}

#lpWhitepaperModal .lp-wp-panel {
    width: 100%;
    max-width: min(92vw, 720px);
    max-height: min(92vh, 940px);
    margin: 0 auto max(10px, env(safe-area-inset-bottom));
    border-radius: 20px 20px 10px 10px;
    background: rgba(6, 12, 10, 0.96);
    border: 1px solid rgba(251, 157, 99, 0.3);
    box-shadow: 0 -12px 64px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(251, 157, 99, 0.08);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: lpWpUp 0.32s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes lpWpUp {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (min-width: 640px) {
    #lpWhitepaperModal {
        align-items: center;
        padding: 20px;
    }
    #lpWhitepaperModal .lp-wp-panel {
        margin: 0;
        border-radius: 20px;
        max-height: min(88vh, 880px);
        animation-name: lpWpIn;
    }
    @keyframes lpWpIn {
        from {
            opacity: 0;
            transform: scale(0.97);
        }
        to {
            opacity: 1;
            transform: scale(1);
        }
    }
}

.lp-wp-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 20px 14px;
    border-bottom: 1px solid rgba(251, 157, 99, 0.15);
    flex-shrink: 0;
}

.lp-wp-tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #fb9d63;
    margin-bottom: 6px;
}

.lp-wp-header h2 {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.lp-wp-sub {
    margin: 8px 0 0;
    font-size: 0.82rem;
    color: rgba(200, 220, 210, 0.65);
    line-height: 1.45;
    max-width: 36em;
}

.lp-wp-close {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.lp-wp-close:hover {
    background: rgba(251, 157, 99, 0.15);
    color: #fb9d63;
}

.lp-wp-scroll {
    overflow-y: auto;
    padding: 20px 22px 28px;
    -webkit-overflow-scrolling: touch;
}

.lp-wp-scroll::-webkit-scrollbar {
    width: 8px;
}
.lp-wp-scroll::-webkit-scrollbar-thumb {
    background: rgba(251, 157, 99, 0.25);
    border-radius: 4px;
}

.lp-wp-body [id^='wp-'] {
    scroll-margin-top: 12px;
}

.lp-wp-toc {
    margin: 0 0 1.75em;
    padding: 16px 18px;
    border-radius: 14px;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(251, 157, 99, 0.2);
}

.lp-wp-toc-title {
    margin: 0 0 12px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #fb9d63;
}

.lp-wp-toc ol {
    margin: 0;
    padding-left: 1.15em;
    list-style-position: outside;
}

.lp-wp-toc > ol {
    padding-left: 1.25em;
}

.lp-wp-toc li {
    margin-bottom: 0.35em;
    line-height: 1.45;
}

.lp-wp-toc li li {
    font-size: 0.9em;
    margin-bottom: 0.25em;
}

.lp-wp-toc a {
    color: rgba(230, 245, 238, 0.92);
    text-decoration: none;
    border-bottom: 1px solid rgba(251, 157, 99, 0.35);
    transition: color 0.15s ease, border-color 0.15s ease;
}

.lp-wp-toc a:hover {
    color: #fb9d63;
    border-bottom-color: #fb9d63;
}

.lp-wp-num {
    color: rgba(251, 157, 99, 0.95);
    font-weight: 800;
    margin-right: 0.35em;
}

.lp-wp-subnum {
    color: rgba(251, 157, 99, 0.75);
    font-weight: 800;
    margin-right: 0.35em;
    font-size: 0.92em;
}

/* HTML uses .wp-num / .wp-subnum on headings + TOC — mirror lp-wp-* styling */
#lpWhitepaperModal .wp-num,
.lp-wp-body .wp-num,
.lp-wp-toc .wp-num {
    color: rgba(251, 157, 99, 0.95);
    font-weight: 800;
    margin-right: 0.35em;
}

#lpWhitepaperModal .wp-subnum,
.lp-wp-body .wp-subnum,
.lp-wp-toc .wp-subnum {
    color: rgba(251, 157, 99, 0.75);
    font-weight: 800;
    margin-right: 0.35em;
    font-size: 0.92em;
}

.lp-wp-body {
    font-size: 0.88rem;
    line-height: 1.65;
    color: rgba(216, 235, 225, 0.92);
}

.lp-wp-body h3 {
    margin: 1.6em 0 0.65em;
    font-size: 0.95rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.02em;
}

.lp-wp-body h3:first-child {
    margin-top: 0;
}

.lp-wp-body h4 {
    margin: 1.25em 0 0.5em;
    font-size: 0.82rem;
    font-weight: 800;
    color: rgba(251, 157, 99, 0.95);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.lp-wp-body p {
    margin: 0 0 0.9em;
}

.lp-wp-body ul {
    margin: 0 0 1em;
    padding-left: 1.25em;
}

.lp-wp-body li {
    margin-bottom: 0.45em;
}

.lp-wp-body li::marker {
    color: rgba(251, 157, 99, 0.7);
}

.lp-wp-lead {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(230, 245, 236, 0.95);
    margin-bottom: 1.1em;
}

.lp-wp-pain {
    margin: 1.25em 0;
    padding: 14px 16px;
    border-radius: 12px;
    background: rgba(245, 87, 95, 0.08);
    border: 1px solid rgba(245, 87, 95, 0.2);
}

.lp-wp-pain h4 {
    margin-top: 0;
    margin-bottom: 0.65em;
    color: #f5a4a8;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 800;
}

.lp-wp-pain ul {
    margin-bottom: 0;
}

.lp-wp-solution {
    margin: 1.25em 0;
    padding: 14px 16px;
    border-radius: 12px;
    background: rgba(91, 200, 150, 0.08);
    border: 1px solid rgba(91, 200, 150, 0.22);
}

.lp-wp-solution h4 {
    margin-top: 0;
    margin-bottom: 0.65em;
    color: #7dccb0;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 800;
}

.lp-wp-solution ul {
    margin-bottom: 0;
}

.lp-wp-callout {
    margin: 1.15em 0;
    padding: 12px 14px;
    border-left: 3px solid #fb9d63;
    background: rgba(251, 157, 99, 0.06);
    font-size: 0.84rem;
    color: rgba(220, 235, 228, 0.9);
}

.lp-wp-foot {
    margin-top: 1.75em;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.72rem;
    color: rgba(180, 200, 190, 0.5);
}

.lp-footer-wp {
    margin-top: 10px;
}

.lp-footer-wp-btn {
    background: none;
    border: none;
    color: rgba(251, 157, 99, 0.85);
    font-size: 0.8rem;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
    padding: 0;
    font-family: inherit;
}

.lp-footer-wp-btn:hover {
    color: #fb9d63;
}