/* OpenLX Brand DNA V1.0 Styling */
html, body {
    max-width: 100%;
    overflow-x: clip;
}

/* 1. Reading Progress Bar */
.olx-v1-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--olx-primary, #0F6B58), var(--olx-accent, #0D9488));
    z-index: 999999;
    transition: width 0.1s ease-out;
}

/* 2. Brand Persona Bar */
.olx-v1-persona-bar {
    background: var(--olx-surface, #F8FAFC);
    border-bottom: 1px solid var(--olx-border, #E2E8F0);
    padding: 8px 16px;
    font-size: 13px;
    color: var(--olx-ink, #0F172A);
    line-height: 1.5;
}
.olx-v1-persona-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.olx-v1-persona-badge {
    background: var(--olx-primary, #0F6B58);
    color: #ffffff !important;
    padding: 2px 10px;
    border-radius: var(--olx-radius, 8px);
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.3px;
    display: inline-block;
}
.olx-v1-persona-text {
    opacity: 0.88;
    font-weight: 500;
}

/* 3. Citation & GEO Card */
.olx-v1-cite-card {
    margin: 36px 0 24px 0;
    padding: 20px 22px;
    background: var(--olx-surface, #F8FAFC);
    border: 1px solid var(--olx-border, #E2E8F0);
    border-left: 4px solid var(--olx-primary, #0F6B58);
    border-radius: var(--olx-radius, 8px);
    font-size: 14px;
    color: var(--olx-ink, #0F172A);
}
.olx-v1-cite-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}
.olx-v1-cite-badge {
    font-size: 11px;
    font-weight: 700;
    color: var(--olx-primary, #0F6B58);
    background: rgba(0, 0, 0, 0.04);
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}
.olx-v1-cite-time {
    font-size: 12px;
    color: #64748B;
}
.olx-v1-cite-publisher {
    margin: 0 0 12px 0;
    line-height: 1.6;
}
.olx-v1-cite-box {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}
.olx-v1-cite-box input {
    flex: 1;
    min-width: 200px;
    padding: 8px 12px;
    font-size: 13px;
    border: 1px solid var(--olx-border, #E2E8F0);
    border-radius: var(--olx-radius, 8px);
    background: #FFFFFF;
    color: var(--olx-ink, #0F172A);
}
.olx-v1-copy-btn {
    padding: 8px 16px;
    background: var(--olx-primary, #0F6B58);
    color: #FFFFFF !important;
    border: none;
    border-radius: var(--olx-radius, 8px);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: opacity 0.15s ease-in-out;
}
.olx-v1-copy-btn:hover {
    opacity: 0.9;
}
.olx-v1-copy-status {
    font-size: 12px;
    color: var(--olx-primary, #0F6B58);
    font-weight: 600;
}

/* 4. Post Navigation */
.olx-v1-post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 28px 0 36px 0;
}
.olx-v1-nav-item {
    display: block;
    padding: 16px;
    background: var(--olx-surface, #F8FAFC);
    border: 1px solid var(--olx-border, #E2E8F0);
    border-radius: var(--olx-radius, 8px);
    text-decoration: none !important;
    color: var(--olx-ink, #0F172A) !important;
    transition: transform 0.15s, border-color 0.15s;
}
.olx-v1-nav-item:hover {
    border-color: var(--olx-primary, #0F6B58);
    transform: translateY(-1px);
}
.olx-v1-nav-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--olx-primary, #0F6B58);
    margin-bottom: 6px;
}
.olx-v1-nav-title {
    display: block;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.olx-v1-nav-next {
    text-align: right;
}

/* 5. Responsive Guards */
@media (max-width: 640px) {
    .olx-v1-post-nav {
        grid-template-columns: 1fr;
    }
    .olx-v1-nav-next {
        text-align: left;
    }
    .olx-v1-cite-box {
        flex-direction: column;
        align-items: stretch;
    }
    .olx-v1-copy-btn {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 6. Dynamic 404 Page Styling */
.olx-v1-404-wrapper {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: var(--olx-surface, #FAF9F6);
}
.olx-v1-404-card {
    max-width: 680px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
    background: #FFFFFF;
    border: 1px solid var(--olx-border, #E5E7EB);
    border-radius: var(--olx-radius, 12px);
    padding: 48px 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}
.olx-v1-404-badge {
    display: inline-block;
    padding: 4px 14px;
    background: var(--olx-primary, #0F6B58);
    color: #FFFFFF !important;
    font-size: 13px;
    font-weight: 700;
    border-radius: 999px;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}
.olx-v1-404-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--olx-ink, #1F2937);
    margin: 0 0 16px 0;
    line-height: 1.35;
}
.olx-v1-404-desc {
    font-size: 15px;
    color: #64748B;
    margin: 0 auto 32px auto;
    line-height: 1.6;
    max-width: 520px;
}
.olx-v1-404-search-box {
    max-width: 480px;
    margin: 0 auto 32px auto;
}
.olx-v1-search-form {
    display: flex;
    gap: 8px;
}
.olx-v1-search-field {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--olx-border, #E5E7EB);
    border-radius: var(--olx-radius, 8px);
    font-size: 14px;
    outline: none;
    background: #FFFFFF;
    color: var(--olx-ink, #1F2937);
}
.olx-v1-search-submit {
    padding: 10px 20px;
    background: var(--olx-primary, #0F6B58);
    color: #FFFFFF !important;
    border: none;
    border-radius: var(--olx-radius, 8px);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
}
.olx-v1-search-submit:hover {
    opacity: 0.9;
}
.olx-v1-404-nav-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.olx-v1-btn-home {
    display: inline-block;
    padding: 10px 24px;
    background: var(--olx-primary, #0F6B58);
    color: #FFFFFF !important;
    text-decoration: none !important;
    border-radius: var(--olx-radius, 8px);
    font-size: 14px;
    font-weight: 600;
    transition: opacity 0.15s;
}
.olx-v1-btn-home:hover {
    opacity: 0.9;
}
.olx-v1-btn-explore {
    display: inline-block;
    padding: 10px 24px;
    background: transparent;
    color: var(--olx-ink, #1F2937) !important;
    text-decoration: none !important;
    border: 1px solid var(--olx-border, #E5E7EB);
    border-radius: var(--olx-radius, 8px);
    font-size: 14px;
    font-weight: 600;
    transition: background 0.15s;
}
.olx-v1-btn-explore:hover {
    background: var(--olx-surface, #FAF9F6);
}