/* =========================================
   LAYOUT.CSS
   Navbar, Footer, Shared Components
   ========================================= */

/* Header & Metadata */
header {
    padding: 1.5rem 0;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background-color: var(--color-bg);
    z-index: 1000;
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth), transform var(--transition-smooth);
    display: flex;
    justify-content: center;
}

.nav-links {
    width: 100%;
    max-width: 1200px;
    padding: 0 2rem;
    display: flex;
    justify-content: flex-end;
    /* Links stay on right */
    align-items: center;
    /* Better vertical alignment for icons */
}

.nav-links> :first-child {
    margin-left: 0;
}

.nav-dropdown {
    margin-left: 2rem;
    position: relative;
    display: inline-flex;
    align-items: center;
}

.nav-dropdown>a {
    margin-left: 0;
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    margin-top: 10px;
    right: 0;
    min-width: 220px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 0.5rem 0;
    z-index: 1100;
}

.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: -10px;
    height: 10px;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
    display: block;
}

.nav-dropdown-menu a {
    display: block;
    padding: 0.45rem 1rem;
    margin-left: 0;
    color: var(--color-text-secondary);
}

.nav-dropdown-menu a:hover {
    color: var(--color-accent);
    background: var(--color-bg-hover);
}

header.nav-hidden {
    transform: translateY(-100%);
}

header.transparent {
    background-color: transparent;
    border-bottom: none;
}

.nav-links a {
    margin-left: 2rem;
    text-decoration: none;
    font-size: var(--fs-h4);
    /* Increased from fs-small (14px to 18px) */
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.page-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 100px 2rem 4rem;
}

@media (max-width: 768px) {
    .page-container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
        padding-top: 80px;
    }

    header {
        padding: 1rem 0;
    }

    .nav-links {
        padding: 0 1rem;
    }

    .nav-links a,
    .nav-dropdown {
        margin-left: 0.8rem;
        font-size: var(--fs-small);
        /* Scale down from fs-h4 (18px) to fs-small (14px) */
    }

    .nav-icon-link {
        margin-left: 0 !important;
    }

    .nav-dropdown-menu {
        min-width: 180px;
        right: -10px;
        /* Shift slightly to stay within viewport */
    }

    .nav-dropdown-menu a {
        padding: 0.6rem 1rem;
        /* Larger touch targets */
    }
}

.nav-links a:first-child {
    margin-left: 0;
}

.nav-links a:hover {
    color: var(--color-accent);
}

/* Navigation Active State */
.nav-links a.active {
    color: var(--color-text);
    font-weight: 600;
}

/* Metadata Bar (Used for Byline and Report Info) */
.metadata-bar {
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    margin-top: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.metadata-bar span {
    display: inline-block;
}

.report-lead {
    font-size: var(--fs-lead);
    color: var(--color-text);
    line-height: var(--lh-normal);
    max-width: 800px;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.page-title {
    font-size: var(--fs-h1);
    margin-bottom: 1.2rem;
    margin-top: 0;
    letter-spacing: -0.02em;
}

.editorial-header {
    margin-bottom: 4rem;
    text-align: left;
}

.metadata-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    text-decoration: none;
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.metadata-item:hover {
    color: var(--color-accent);
}

.metadata-item i,
.metadata-item svg {
    width: 16px !important;
    /* Increased from 12px */
    height: 16px !important;
    /* Increased from 12px */
    opacity: 0.8;
}

/* Back Arrow Navigation Icon */
.nav-icon-link {
    margin-left: 0 !important;
    margin-right: auto;
    /* Push links to the right */
    display: flex;
    align-items: center;
    text-decoration: none !important;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.nav-icon-link svg {
    width: 24px;
    height: 24px;
}

.nav-icon-link:hover {
    color: var(--color-accent);
}

/* -------------------------------------------
   Shared Component: Scroll Indicator
   Used in Index and Research
   ------------------------------------------- */
.scroll-indicator {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    align-items: flex-start;
    font-family: var(--font-serif);
    padding-left: 12px;
}

.scroll-track {
    position: relative;
    width: 40px;
    padding: 12px 0;
    transition: width 0.3s ease;
}

.scroll-indicator:hover .scroll-track {
    width: 180px;
}

.scroll-line {
    position: absolute;
    left: 6px;
    top: 12px;
    bottom: 12px;
    width: 1px;
    background: var(--color-border);
}

.scroll-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 8px solid #000;
    transition: top 0.2s cubic-bezier(0.2, 0, 0.2, 1);
}

.scroll-sections {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.scroll-section {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 2px 0;
    cursor: pointer;
    position: relative;
}

.scroll-section:hover .section-bar {
    background: var(--color-accent);
}

.scroll-section.active .section-bar {
    background: var(--color-text);
}

.section-bar {
    height: 2px;
    background: var(--color-border-strong);
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.section-bar.short {
    width: 6px;
}

.section-bar.medium {
    width: 14px;
}

.section-bar.long,
.section-bar.large {
    width: 24px;
}

.section-label {
    font-size: var(--fs-small);
    color: var(--color-text-secondary);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--transition-normal);
    pointer-events: none;
}

.scroll-indicator:hover .section-label {
    opacity: 1;
    transform: translateX(0);
}

.scroll-section.active .section-label {
    color: var(--color-text);
    font-weight: 600;
}

.scroll-section:hover .section-label {
    color: var(--color-accent);
}

.scroll-progress {
    position: absolute;
    bottom: -24px;
    left: 0;
    font-size: var(--fs-tiny);
    color: var(--color-text-tertiary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    font-weight: 500;
}

.scroll-indicator:hover .scroll-progress {
    opacity: 1;
}

/* Mobile Scroll Indicator Overrides (Edge Click) */
@media (max-width: 1024px) {
    .scroll-indicator {
        opacity: 1;
        pointer-events: auto;
        height: 100vh;
        top: 0;
        transform: none;
        width: 24px;
        padding-left: 0;
        align-items: center;
        background: transparent;
    }

    .scroll-indicator .scroll-track {
        opacity: 0;
        transform: translateX(-20px);
        transition: all 0.3s ease;
        pointer-events: none;
    }

    .scroll-indicator.active .scroll-track {
        opacity: 1;
        transform: translateX(12px);
        pointer-events: auto;
    }
}

/* -------------------------------------------
   Shared Component: Global Wallet Styles
   Used in About and potential others
   ------------------------------------------- */
.wallet-address-container {
    background: var(--color-bg-surface);
    padding: 1rem;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text);
    transition: background-color var(--transition-fast);
}

.wallet-address-container:hover {
    background: var(--color-bg-surface-hover);
}

.wallet-text {
    word-break: break-all;
    line-height: 1.5;
}

.wallet-label {
    font-weight: 700;
    color: var(--color-text);
    margin-right: 0.5rem;
}

.wallet-ens {
    color: var(--color-text-secondary);
    margin-left: 0.5rem;
}

.wallet-icon-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 2px;
}

.copy-icon {
    width: 16px;
    height: 16px;
    color: var(--color-text-tertiary);
}

.wallet-address-container:hover .copy-icon {
    color: var(--color-text);
}

.wallet-feedback {
    position: absolute;
    right: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.7rem;
    color: var(--color-success);
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .wallet-feedback {
        right: 0;
        top: calc(100% + 4px);
        transform: none;
    }
}

/* -------------------------------------------
   Shared Component: Lightbox
   ------------------------------------------- */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(250, 249, 246, 0.95);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    cursor: zoom-out;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.visible {
    opacity: 1;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.lightbox.visible img {
    transform: scale(1);
}

/* -------------------------------------------
   Shared Component: Expandable Sections
   Used for Methodology, Data Sources, etc.
   ------------------------------------------- */
.expandable-header {
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0;
}

.expandable-header h1,
.expandable-header h2,
.expandable-header h3,
.expandable-header h4 {
    margin: 0;
}

.expandable-header:hover {
    color: var(--color-accent);
}

.expandable-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.expandable-content.open {
    max-height: 2000px;
}

.chevron {
    transition: transform var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    flex-shrink: 0;
}

.chevron svg,
.chevron i {
    width: 14px !important;
    height: 14px !important;
}

.chevron.open {
    transform: rotate(90deg);
}

/* -------------------------------------------
   Shared Component: Insight Panels
   Used in Research Page Charts
   ------------------------------------------- */
.insight-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--color-bg-surface);
}

.insight-content {
    padding: 1.5rem;
    font-size: var(--fs-small);
    color: var(--color-text);
    line-height: var(--lh-normal);
    border-top: 1px solid var(--color-border-light);
}

.insight-content ul {
    margin-left: 1.2rem;
    margin-bottom: 1rem;
}

.insight-content li {
    margin-bottom: 0.5rem;
}

/* -------------------------------------------
   Shared Component: Alternating Sections
   Used for Landing, Summary, and Research pages
   ------------------------------------------- */
.alternating-sections>section:nth-of-type(even),
.alternating-sections .narrative-content>section:nth-of-type(even),
.alternating-sections .hero-grid>div.section-wrapper:nth-of-type(even) {
    background-color: var(--color-bg);
}

/* Fix for negative margin interaction with standard layout padding */
/* We don't need pseudo element if we use the box-shadow/border-image trick or the margin trick. 
   The margin trick is standard for full bleed. 
*/

/* ========================================= */
/* GLOBAL BANNER                             */
/* ========================================= */
#global-banner {
    background: var(--chart-ink);
    color: var(--color-text-inverse);
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    font-family: var(--font-sans, sans-serif);
    position: relative;
    z-index: 10000;
    transition: opacity 0.3s ease;
}

#global-banner .banner-content {
    max-width: 1200px;
    /* Match standard layout max-width roughly */
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

#global-banner #banner-dismiss {
    background: none;
    border: none;
    color: var(--color-text-inverse);
    font-size: 1.2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 0.5rem;
    opacity: 0.7;
    transition: opacity 0.2s;
}

#global-banner #banner-dismiss:hover {
    opacity: 1;
}

@media (max-width: 768px) {
    #global-banner {
        font-size: 0.75rem;
        padding: 0.5rem;
    }
}