/*
 * IRIS Cocreative Standards Library
 * Enhanced Markdown Viewer & File Browser
 * Using IRIS Brand Variables and Neue Kabel Font
 */

/* ========================================
   Reset & Base Styles
   ======================================== */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%; /* Prevent font scaling on orientation change */
}

body {
    font-family: neue-kabel, sans-serif;
    font-size: 1.1111111111111112vw;
    font-size: clamp(14px, 2.5vw, 21px); /* Slightly smaller on tiny screens */
    line-height: 1.618;
    color: var(--snow);
    background: var(--bg-dark);
    min-height: 100vh;
    min-height: 100dvh; /* Dynamic viewport height for mobile */
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
@media screen and (min-width:1920px) {
 body {font-size: 21.333333333333332px;}
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://cdn.prod.website-files.com/623416ed34a419851034feaf/67f5f4b85445282e75a0cb77_soft%20B%20G.avif');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15;
    filter: blur(4px);
    z-index: -1;
    pointer-events: none;
}

/* ========================================
   App Layout
   ======================================== */

.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app.viewing-document {
    display: flex;
    flex-direction: column;
}

/* ========================================
   Header
   ======================================== */

.header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: var(--phi-01);
    padding: var(--phi-01) var(--phi);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    color: var(--snow);
    cursor: pointer;
    border-radius: var(--phi-02);
    transition: all var(--transition-fast);
}

.menu-toggle:hover {
    background: rgba(62, 166, 145, 0.1);
    color: var(--iris-teal);
}

[data-theme="light"] .menu-toggle {
    color: var(--black);
}

[data-theme="light"] .menu-toggle:hover {
    color: var(--iris-teal);
}

/* Header title link */
.title-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
}

.title-link:hover .title-text {
    color: var(--iris-teal);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--phi-02);
    cursor: pointer;
}

.header-logo a {
    display: flex;
}

.logo-icon {
    width: 233px;
    height: auto;
    object-fit: contain;
}

.logo-text {
    display: none;
}

.logo-text span {
    color: var(--iris-teal);
}

.header-title {
    flex: 1;
    display: flex;
    align-items: center;
    margin-bottom: -.5em;
}

.title-text {
    font-size: 1.5rem;
    font-weight: 100;
    color: var(--snow);
    letter-spacing: 0.02em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--phi-02);
}

/* Theme Toggle Button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1.1rem;
}

.theme-toggle:hover {
    background: rgba(62, 166, 145, 0.1);
    border-color: var(--iris-teal);
    color: var(--iris-teal);
}

/* Show sun in dark mode, moon in light mode */
.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
    display: none;
}

.btn-home {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--phi-02);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    opacity: 0;
    pointer-events: none;
}

.app.viewing-document .btn-home {
    opacity: 1;
    pointer-events: auto;
}

.btn-home:hover {
    background: rgba(62, 166, 145, 0.1);
    border-color: var(--iris-teal);
    color: var(--iris-teal);
}

/* ========================================
   Sidebar Navigation
   ======================================== */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--phi-6);
    height: 100vh;
    padding-top: 89px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-subtle);
    overflow: visible;
    z-index: 90;
    transform: translateX(-100%);
    transition: transform var(--transition-base), padding-top 0.3s ease;
    backdrop-filter: blur(10px);
    padding-right: var(--phi-01);
}

/* When user has scrolled, reduce padding */
.sidebar.scrolled {
    padding-top: 0;
}

/* Desktop: sidebar open by default when viewing document */
@media (min-width: 769px) {
    .app.viewing-document .sidebar {
        transform: translateX(0);
    }

    .app.viewing-document.sidebar-collapsed .sidebar {
        transform: translateX(calc(-100% + 20px));
    }

    .app.viewing-document.sidebar-collapsed .main {
        margin-left: 20px;
        width: calc(100% - 20px);
        max-width: calc(100vw - 20px);
    }
}

/* Mobile: sidebar closed by default, opens with sidebar-open class */
@media (max-width: 768px) {
    .app.sidebar-open .sidebar {
        transform: translateX(0);
    }
}

/* Sidebar collapse button (visible on desktop) */
.sidebar-collapse {
    display: none;
    position: absolute;
    top: 11px;
    right: -14px;
    width: 28px;
    height: 28px;
    background: var(--bg-sidebar);
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    color: var(--text-muted);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: all var(--transition-fast), margin-top 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    margin-top: 89px;
}

/* When user has scrolled, move collapse button up */
.sidebar.scrolled .sidebar-collapse {
    margin-top: 0;
}

.sidebar-collapse:hover {
    background: var(--iris-teal);
    color: var(--snow);
    border-color: var(--iris-teal);
}

/* Rotate arrow when collapsed */
.app.sidebar-collapsed .sidebar-collapse svg {
    transform: rotate(180deg);
}

[data-theme="light"] .sidebar-collapse {
    background: var(--snow);
    border-color: var(--border-light);
    color: var(--black);
}

[data-theme="light"] .sidebar-collapse:hover {
    background: var(--iris-teal);
    color: var(--snow);
}

/* Show collapse button on desktop when viewing document */
@media (min-width: 769px) {
    .app.viewing-document .sidebar-collapse {
        display: flex;
    }
}

/* Sidebar close button (visible on mobile) */
.sidebar-close {
    display: none;
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--transition-fast);
}

.sidebar-close:hover {
    background: rgba(62, 166, 145, 0.1);
    border-color: var(--iris-teal);
    color: var(--iris-teal);
}

.sidebar-inner {
    padding: var(--phi-01);
    display: flex;
    flex-direction: column;
    gap: var(--phi-01);
}

/* Search */
.sidebar-search {
    position: relative;
}

.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 12px;
    color: var(--grey);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: var(--phi-02) var(--phi-01);
    padding-left: 40px;
    font-family: inherit;
    font-size: 0.875em;
   background-color: var(--black);
    border: 1px solid var(--line-grey);
    border-radius: var(--border-radius-sm);
    color: var(--snow);
    transition: all var(--transition-fast);
}
[data-theme="light"] .search-input { 
   background-color: var(--snow);
}

.search-input::placeholder {
    color: var(--grey);
}

.search-input:focus {
    outline: none;
    border-color: var(--iris-teal);
    box-shadow: 0 0 0 3px rgba(62, 166, 145, 0.15);
}

.search-clear {
    position: absolute;
    right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: transparent;
    border: none;
    color: var(--grey);
    cursor: pointer;
    border-radius: 4px;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-fast);
}

.search-input:not(:placeholder-shown) + .search-clear {
    opacity: 1;
    pointer-events: auto;
}

.search-clear:hover {
    color: var(--snow);
    background: rgba(62, 166, 145, 0.1);
}

.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    max-height: 300px;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 100;
}

.search-results.active {
    display: block;
}

.search-result-item {
    display: block;
    padding: var(--phi-02) var(--phi-01);
    color: var(--snow);
    text-decoration: none;
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-fast);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background: rgba(62, 166, 145, 0.1);
}

.search-result-title {
    font-size: 0.875em;
    font-weight: 500;
    margin-bottom: 2px;
}

.search-result-path {
    font-size: 0.75rem;
    color: var(--grey);
}

.search-no-results {
    padding: var(--phi-01);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875em;
}

/* Sidebar Sections */
.sidebar-section {
    border-radius: var(--border-radius-sm);
}

.section-header {
    display: flex;
    align-items: center;
    gap: var(--phi-02);
    padding: var(--phi-02) var(--phi-01);
    border: 1px solid var(--line-grey);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.section-header:hover {
    border-color: var(--iris-teal);
    background: rgba(62, 166, 145, 0.05);
}

.section-icon {
    font-size: 1rem;
}

.section-title {
    flex: 1;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--snow);
}

.toggle-arrow {
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.sidebar-section.expanded .toggle-arrow {
    transform: rotate(180deg);
}

.section-content {
    display: none;
    padding: var(--phi-03) 0;
}

.sidebar-section.expanded .section-content {
    display: block;
}

/* Quick Links */
.quick-link {
    display: flex;
    align-items: center;
    gap: var(--phi-02);
    padding: var(--phi-03) var(--phi-01);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8125rem;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.quick-link:hover {
    color: var(--snow);
    background: rgba(62, 166, 145, 0.1);
}

.quick-link.active {
    color: var(--iris-teal);
    background: rgba(62, 166, 145, 0.15);
}

.quick-icon {
    font-size: 0.875em;
}

/* Domain Navigation */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--phi-03);
}

.nav-domain {
    border: 1px solid var(--line-grey);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.nav-domain:hover {
    border-color: var(--domain-color, var(--iris-teal));
}

.nav-domain.development { --domain-color: var(--domain-development); }
.nav-domain.design { --domain-color: var(--domain-design); }
.nav-domain.operations { --domain-color: var(--domain-operations); }
.nav-domain.platform { --domain-color: var(--domain-platform); }
.nav-domain.engagements { --domain-color: #E88D67; }

.domain-header {
    display: flex;
    align-items: center;
    gap: 0.4em;
    padding: 0.4em 0.6em;
    cursor: pointer;
    transition: background var(--transition-fast);
    border-left: 2px solid transparent;
}

.domain-header:hover {
    background: rgba(255, 252, 251, 0.03);
}

.nav-domain.expanded .domain-header {
    border-left-color: var(--domain-color);
    background: rgba(62, 166, 145, 0.05);
}

.domain-icon {
    font-size: 0.875em;
}

.domain-name {
    flex: 1;
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--snow);
}

.domain-count {
    font-size: 0.625rem;
    color: var(--grey);
    padding: 2px 6px;
    background: var(--bg-card);
    border-radius: 10px;
}

.domain-toggle {
    color: var(--text-muted);
    transition: transform var(--transition-fast);
    width: 10px;
    height: 10px;
}

.nav-domain.expanded .domain-toggle {
    transform: rotate(180deg);
}

.domain-resources {
    display: none;
    background: rgba(0, 0, 0, 0.2);
    padding: var(--phi-03) 0;
}
[data-theme="light"] .domain-resources {
    background: rgba(255,255,255, 0.2);
}

.nav-domain.expanded .domain-resources {
    display: block;
}

/* Folder and Resource Links */
.folder-item {
    padding: var(--phi-03) 0;
    padding-left: 0.75em;
}

.folder-header {
    display: flex;
    align-items: center;
    gap: 0.35em;
    cursor: pointer;
    color: var(--snow);
    font-size: 0.8125rem;
    font-weight: 300;
    transition: color var(--transition-fast);
}

.folder-header:hover {
    color: var(--iris-teal);
}

.folder-icon {
    font-size: 0.5em;
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.folder-item.expanded .folder-icon {
    transform: rotate(90deg);
}

.folder-contents {
    display: none;
    padding-left: 0.75em;
    margin-top: var(--phi-03);
}

.folder-item.expanded .folder-contents {
    display: block;
}

.resource-link {
    display: flex;
    align-items: center;
    gap: 0.35em;
    padding: 0.3em 0.5em;
    padding-left: 1em;
    color: var(--snow);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 300;
    transition: all var(--transition-fast);
    border-left: 1px solid var(--line-grey);
    margin-left: 0.5em;
    position: relative;
}

.resource-link:hover {
    color: var(--iris-teal);
    background: rgba(255, 252, 251, 0.03);
    border-left-color: var(--iris-teal);
}

.resource-link.active {
    color: var(--iris-teal);
    background: rgba(62, 166, 145, 0.1);
    border-left-color: var(--iris-teal);
    border-left-width: 2px;
}

.resource-link-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.resource-link.read {
    opacity: 0.7;
}

.read-indicator {
    color: var(--iris-teal);
    font-size: 0.75em;
    margin-left: auto;
    flex-shrink: 0;
}

/* Technologies in Sidebar */
.tech-link {
    display: block;
    padding: var(--phi-03) var(--phi-01);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    border-radius: 4px;
    transition: all var(--transition-fast);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tech-link:hover {
    color: var(--snow);
    background: rgba(62, 166, 145, 0.1);
}

.tech-link.active {
    color: var(--iris-teal);
    background: rgba(62, 166, 145, 0.15);
}

/* Sidebar Overlay (Mobile) */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 85;
    opacity: 0;
    transition: opacity var(--transition-base);
}

/* ========================================
   Main Content
   ======================================== */

.main {
    flex: 1;
    min-height: calc(100vh - 60px);
    background: linear-gradient(180deg, rgba(10, 10, 15, 0.1) 0%, rgba(13, 13, 21, 0.3) 100%);
    overflow-x: hidden;
}

[data-theme="light"] .main {
    background: radial-gradient(ellipse at center top, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.9) 50%, rgba(241, 245, 249, 0.85) 100%);
}

.app.viewing-document .main {
    margin-left: var(--phi-6);
    width: calc(100% - var(--phi-6));
    max-width: calc(100vw - var(--phi-6));
    overflow-x: hidden;
}

/* ========================================
   Homepage View
   ======================================== */

.homepage {
    padding: var(--phi) var(--phi);
    max-width: 1200px;
    margin: 0 auto;
}

.app.viewing-document .homepage {
    display: none;
}

/* Hero Section */
.homepage-hero {
    text-align: center;
    padding: var(--phi-3) var(--phi);
    margin-bottom: var(--phi-2);
    background: linear-gradient(135deg, rgba(51, 93, 117, 0.15) 0%, rgba(62, 166, 145, 0.1) 100%);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-subtle);
    position: relative;
    overflow: hidden;
}

.homepage-hero #hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.homepage-hero .hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    margin-bottom: var(--phi-02);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo {
    width: 280px;
    height: auto;
    object-fit: contain;
}

.hero-logo, .logo-icon {
   color: var(--snow);
}

[data-theme="light"] .hero-logo, [data-theme="light"] .logo-icon {
color: var(--black);
}

/* Light mode homepage overrides */
[data-theme="light"] .hero-tagline {
    color: var(--black);
}

[data-theme="light"] .section-heading {
    color: var(--black);
}

[data-theme="light"] .quadrant-title {
    color: var(--black);
}

[data-theme="light"] .quadrant-description {
    color: var(--text-muted);
}

[data-theme="light"] .quadrant-count {
    background: rgba(255, 255, 255, 0.9);
    color: var(--grey);
}

[data-theme="light"] .quick-card {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .quick-card-label {
    color: var(--black);
}

[data-theme="light"] .tech-preview-name {
    color: var(--black);
}

[data-theme="light"] .folder-header {
    color: var(--black);
}

[data-theme="light"] .article-title {
    color: var(--black);
}

[data-theme="light"] .breadcrumb-current {
    color: var(--black);
}

/* Light mode hover states - prevent white-on-white */
[data-theme="light"] .quick-link:hover,
[data-theme="light"] .tech-link:hover,
[data-theme="light"] .breadcrumb-link:hover,
[data-theme="light"] .nav-button:hover:not(:disabled),
[data-theme="light"] .search-clear:hover {
    color: var(--iris-brand);
}

[data-theme="light"] .resource-link:hover,
[data-theme="light"] .folder-header:hover {
    color: var(--iris-brand);
}

.hero-tagline {
    font-size: 2rem;
    color: var(--snow);
    font-weight: 100;
    margin-bottom: var(--phi-02);
    letter-spacing: 0.05em;
}

.hero-description {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Start Banner */
.start-banner {
    display: flex;
    align-items: center;
    gap: var(--phi);
    padding: var(--phi);
    background: linear-gradient(135deg, var(--iris-brand) 0%, var(--iris-teal) 100%);
    border-radius: var(--border-radius);
    margin-bottom: var(--phi-2);
    box-shadow: var(--shadow-lg);
}

.banner-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.banner-content {
    flex: 1;
}

.banner-content h2 {
    font-size: var(--phi-1-382);
    color: var(--snow);
    margin-bottom: var(--phi-03);
    font-weight: 600;
}

.banner-content p {
    color: rgba(255, 252, 251, 0.9);
     font-size: var(--phi-1);
}

.banner-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--phi-02);
    padding: var(--phi-02) var(--phi);
    background: var(--snow);
    color: var(--iris-brand);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875em;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.banner-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Section Headings */
.section-heading {
    font-size: var(--phi-1-382);
    font-weight: 600;
    color: var(--snow);
    margin-bottom: var(--phi-01);
}

.section-description {
    color: var(--text-muted);
    margin-top: calc(var(--phi-01) * -1 + var(--phi-03));
    margin-bottom: var(--phi-01);
     font-size: var(--phi-1);
}

/* Domain Quadrants (2x2 Grid) */
.domains-section {
    margin-bottom: var(--phi-2);
}

.domain-quadrants {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--phi-01);
}

.domain-quadrant {
    position: relative;
    padding: var(--phi);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-base);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.domain-quadrant::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--domain-color), var(--iris-teal));
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.domain-quadrant:hover {
    border-color: var(--domain-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.domain-quadrant:hover::before {
    opacity: 1;
}

.domain-quadrant.development { --domain-color: var(--domain-development); }
.domain-quadrant.design { --domain-color: var(--domain-design); }
.domain-quadrant.operations { --domain-color: var(--domain-operations); }
.domain-quadrant.platform { --domain-color: var(--domain-platform); }
.domain-quadrant.engagements { --domain-color: #E88D67; }

.quadrant-header {
    display: flex;
    align-items: center;
    gap: var(--phi-02);
    margin-bottom: var(--phi-02);
}

.quadrant-icon {
    font-size: 1.75rem;
}

.quadrant-number {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--domain-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.quadrant-title {
    font-size: var(--phi-1-146);
    font-weight: 600;
    color: var(--snow);
    margin-bottom: var(--phi-03);
}

.quadrant-description {
    color: var(--text-muted);
    font-size: 0.875em;
    margin-bottom: var(--phi-02);
    line-height: 1.5;
}

.quadrant-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.quadrant-count {
    font-size: 0.8125rem;
    color: var(--grey);
    padding: var(--phi-03) var(--phi-01);
    background: var(--black);
    border-radius: 20px;
}

.quadrant-arrow {
    color: var(--domain-color);
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--transition-fast);
}

.domain-quadrant:hover .quadrant-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* Quick Access Grid */
.quick-access-section {
    margin-bottom: var(--phi-2);
}

.quick-access-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--phi-02);
}

.quick-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--phi-02);
    padding: var(--phi-01);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    color: var(--snow);
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
}

.quick-card:hover {
    border-color: var(--iris-teal);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-card-icon {
    font-size: 1.5rem;
}

.quick-card-label {
    font-size: 0.8125rem;
    font-weight: 500;
    text-align: center;
}

/* Technologies Preview Grid */
.tech-preview-section {
    margin-bottom: var(--phi-2);
}

.tech-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--phi-02);
}

.tech-preview-card {
    padding: var(--phi-01);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
}

.tech-preview-card:hover {
    border-color: var(--iris-teal);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tech-preview-name {
     font-size: var(--phi-1);
    font-weight: 500;
    color: var(--snow);
    margin-bottom: var(--phi-03);
}

.tech-preview-desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Homepage Footer */
.homepage-footer {
    text-align: center;
    padding: var(--phi) 0;
    border-top: 1px solid var(--border-subtle);
    margin-top: var(--phi-2);
}

.homepage-footer p {
    font-size: 0.8125rem;
    color: var(--grey);
    margin: var(--phi-03) 0;
}

/* ========================================
   Document View
   ======================================== */

.document-view {
    display: none;
    padding: var(--phi);
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
}

.app.viewing-document .document-view {
    display: block;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--phi-02);
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: var(--phi);
}

.breadcrumb-link {
    color: var(--iris-teal);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
    color: var(--snow);
}

.breadcrumb-sep {
    color: var(--line-grey);
}

.breadcrumb-current {
    color: var(--snow);
    font-weight: 500;
}

/* Breadcrumb menu toggle - visible only on mobile */
.breadcrumb-menu {
    display: none;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--phi-02);
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-right: var(--phi-02);
}

.breadcrumb-menu:hover {
    background: var(--iris-teal);
    color: var(--snow);
    border-color: var(--iris-teal);
}

[data-theme="light"] .breadcrumb-menu {
    background: var(--snow);
    border-color: var(--border-light);
    color: var(--black);
}

[data-theme="light"] .breadcrumb-menu:hover {
    background: var(--iris-teal);
    color: var(--snow);
}

/* Show breadcrumb menu only on mobile */
@media (max-width: 768px) {
    .breadcrumb-menu {
        display: flex;
    }
}

/* Document */
.document {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    overflow: hidden;
    overflow-x: auto; /* Allow horizontal scroll for wide content like code blocks */
    backdrop-filter: blur(10px);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.document-header {
    padding: var(--phi-2) var(--phi);
    border-bottom: 1px solid var(--border-subtle);
    background-color: rgba(0, 0, 0, 0.4);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.document-title {
    font-size: var(--phi-1);
    font-weight: 500;
    color: var(--snow);
    margin-bottom: var(--phi-03);
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

.document-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--phi-02);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.meta-badge {
    padding: var(--phi-03) var(--phi-01);
    background: rgba(62, 166, 145, 0.15);
    color: var(--iris-teal);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
}

/* Document Content - Markdown Styling */
.document-content {
    padding: var(--phi);
}

.document-content h1 {
    font-size: var(--phi-2);
    font-weight: 600;
    color: var(--snow);
    margin-top: var(--phi);
    margin-bottom: var(--phi-02);
    padding-bottom: var(--phi-03);
    border-bottom: 1px solid var(--border-subtle);
}

.document-content h1:first-child {
    margin-top: 0;
}

.document-content h2 {
    font-size: var(--phi-1-618);
    font-weight: 600;
    color: var(--snow);
    margin-top: var(--phi);
    margin-bottom: var(--phi-02);
}

.document-content h3 {
    font-size: var(--phi-1-382);
    font-weight: 600;
    color: var(--iris-teal);
    margin-top: var(--phi-01);
    margin-bottom: var(--phi-03);
}

.document-content h4 {
    font-size: var(--phi-1-146);
    font-weight: 600;
    color: var(--snow);
    margin-top: var(--phi-01);
    margin-bottom: var(--phi-03);
}
.document-content h5 {
    font-size: var(--phi-1);
    font-weight: 600;
    color: var(--snow);
    margin-top: var(--phi-02);
    margin-bottom: var(--phi-03);
    letter-spacing: .1ch;
    font-weight: 600;
    font-style: italic;
}
.document-content h6 {
    font-size: .9em;
    font-weight: 200;
    character-spacisfng: ;
    color: var(--snow);
    margin-top: var(--phi-03);
    margin-bottom: var(--phi-03);
    font-weight: 200;
    letter-spacing: .2ch;
    text-transform: uppercase;
}

.document-content p {
    margin-bottom: var(--phi-01);
    color: var(--snow);
    line-height: 1.7;
     font-size: var(--phi-1);
    font-weight: 300;
}

.document-content a {
    color: var(--iris-teal);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.document-content a:hover {
    border-bottom-color: var(--iris-teal);
}

.document-content strong {
    font-weight: 600;
}

.document-content em {
    font-style: italic;
    color: var(--text-muted);
}

.document-content ul,
.document-content ol {
    margin-bottom: var(--phi-01);
    padding-left: var(--phi-01);
}

.document-content ul {
    list-style: none;
}

.document-content li {
    position: relative;
    margin-bottom: var(--phi-03);
    color: var(--snow);
    line-height: 1.6;
     font-size: var(--phi-1);
    padding-left: 1.25em;
}

.document-content ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--dark-magenta);
    font-size: 0.9em;
}

.document-content ol {
    list-style: decimal;
    padding-left: 1.5em;
}

.document-content ol li {
    padding-left: 0.5em;
}

.document-content ol li::before {
    display: none;
}

.document-content blockquote {
    margin: var(--phi-01) 0;
    padding: var(--phi-01);
    background: transparent;
    border-left: 4px solid var(--gold);
    border-top: 1px solid rgba(244, 193, 52, 0.3);
    border-right: 1px solid rgba(244, 193, 52, 0.3);
    border-bottom: 1px solid rgba(244, 193, 52, 0.3);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.document-content blockquote p {
    margin-bottom: 0;
    color: var(--snow);
}

.document-content code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875em;
    padding: 2px 6px;
    background: var(--black);
    border: 1px solid var(--line-grey);
    border-radius: 4px;
    color: var(--iris-teal);
}

.document-content pre {
    margin: var(--phi-01) 0;
    padding: var(--phi-01);
    background: var(--black);
    border: 1px solid var(--line-grey);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    max-width: 100%;
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
}

.document-content pre code {
    display: block;
    padding: 0;
    background: transparent;
    border: none;
    color: var(--silver);
    line-height: 1.6;
}

.document-content table {
    width: 100%;
    margin: var(--phi-01) 0;
    border-collapse: collapse;
    font-size: 0.875em;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.document-content th,
.document-content td {
    padding: var(--phi-02) var(--phi-01);
    text-align: left;
    border: 1px solid var(--line-grey);
}

.document-content th {
    background: var(--black);
    font-weight: 600;
    color: var(--snow);
}

.document-content td {
    color: var(--text-muted);
}

.document-content hr {
    margin: var(--phi) 0;
    border: none;
    border-top: 1px solid var(--border-subtle);
}

.document-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    margin: var(--phi-01) 0;
}

/* Image with float right support */
.document-content .img-right,
.document-content img[align="right"] {
    float: right;
    max-width: 40%;
    margin: 0 0 var(--phi-01) var(--phi-01);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
}

.document-content .img-left,
.document-content img[align="left"] {
    float: left;
    max-width: 40%;
    margin: 0 var(--phi-01) var(--phi-01) 0;
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
}

/* Figure with caption */
.document-content figure {
    margin: var(--phi-01) 0;
    padding: 0;
}

.document-content figure.float-right {
    float: right;
    max-width: 40%;
    margin: 0 0 var(--phi-01) var(--phi-01);
}

.document-content figure.float-left {
    float: left;
    max-width: 40%;
    margin: 0 var(--phi-01) var(--phi-01) 0;
}

.document-content figure img {
    width: 100%;
    margin: 0;
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
}

.document-content figcaption {
    font-size: 0.8125rem;
    font-weight: 300;
    color: var(--text-muted);
    padding: var(--phi-03) var(--phi-02);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-subtle);
    border-top: none;
    border-radius: 0 0 var(--border-radius-sm) var(--border-radius-sm);
    text-align: center;
    font-style: italic;
}

/* Clear floats */
.document-content .clearfix::after,
.document-content hr {
    clear: both;
}

/* Task Checklist (Interactive) */
.document-content .task-checklist,
.task-checklist {
    list-style: none;
    padding: 0;
    margin: var(--phi) 0;
}

.document-content .task-checklist li,
.task-checklist li {
    position: relative;
    padding: var(--phi-02);
    padding-left: 2.5em;
    margin-bottom: var(--phi-03);
    border-left: 2px solid var(--line-grey);
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 0 4px 4px 0;
}

.document-content .task-checklist li::before,
.task-checklist li::before {
    content: '\2610';
    position: absolute;
    left: 0.5em;
    font-size: 1.2em;
    color: var(--grey);
    transition: all 0.2s ease;
}

.document-content .task-checklist li:hover,
.task-checklist li:hover {
    background: rgba(255, 252, 251, 0.03);
    border-left-color: var(--iris-teal);
}

.document-content .task-checklist li.completed,
.task-checklist li.completed {
    opacity: 0.6;
    text-decoration: line-through;
    border-left-color: var(--iris-teal);
}

.document-content .task-checklist li.completed::before,
.task-checklist li.completed::before {
    content: '\2713';
    color: var(--iris-teal);
    font-weight: bold;
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--phi-3);
    color: var(--text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--line-grey);
    border-top-color: var(--iris-teal);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--phi-01);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Error State */
.error-state {
    padding: var(--phi);
    text-align: center;
    color: var(--red);
}

.error-state h3 {
    margin-bottom: var(--phi-03);
}

.error-state p {
    color: var(--text-muted);
}

/* Document Navigation */
.document-nav {
    display: flex;
    justify-content: space-between;
    gap: var(--phi-02);
    margin-top: var(--phi);
    padding-top: var(--phi);
    border-top: 1px solid var(--border-subtle);
}

.nav-button {
    display: flex;
    align-items: center;
    gap: var(--phi-02);
    padding: var(--phi-02) var(--phi-01);
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.875em;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.nav-button:hover:not(:disabled) {
    border-color: var(--iris-teal);
    color: var(--snow);
}

.nav-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.nav-button svg {
    width: 16px;
    height: 16px;
}

.nav-button.primary {
    background: var(--iris-teal);
    border-color: var(--iris-teal);
    color: var(--black);
    font-weight: 500;
    margin-left: auto;
}

.nav-button.primary:hover:not(:disabled) {
    background: var(--completing);
    border-color: var(--completing);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--line-grey);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--grey);
}

/* ========================================
   Responsive Design - Comprehensive
   Breakpoints: 1200px, 1024px, 768px, 576px, 480px
   ======================================== */

/* Large desktops - max content width */
@media (min-width: 1200px) {
    .document-view {
        max-width: 1200px;
    }
}

/* Medium-large screens */
@media (max-width: 1200px) {
    .app.viewing-document .main {
        max-width: 100vw;
    }

    .document-view {
        max-width: 100%;
    }
}

/* Tablets and small laptops */
@media (max-width: 1024px) {
    .sidebar {
        width: 260px;
        padding-top: 70px;
    }

    .sidebar.scrolled {
        padding-top: 0;
    }

    .app.viewing-document .main {
        margin-left: 260px;
        width: calc(100% - 260px);
        max-width: calc(100vw - 260px);
    }

    .domain-quadrants {
        gap: var(--phi-02);
    }

    .domain-quadrant {
        padding: var(--phi-01);
    }

    /* Reduce figure float size on tablets */
    .document-content figure.float-right,
    .document-content figure.float-left,
    .document-content .img-right,
    .document-content .img-left {
        max-width: 35%;
    }
}

/* Tablets portrait and large phones */
@media (max-width: 768px) {
    /* Remove sidebar margin when mobile */
    .app.viewing-document .main {
        margin-left: 0;
        width: 100%;
        max-width: 100vw;
    }

    .menu-toggle {
        display: flex;
    }

    /* Hide collapse button on mobile */
    .sidebar-collapse {
        display: none !important;
    }

    /* Smaller logo on mobile */
    .logo-icon {
        width: 120px;
    }

    /* Much smaller title on mobile - 'Standards...' is long, 'Blog' is ok */
    .title-text {
        font-size: 0.75rem;
    }

    /* But 'Blog' shouldn't be as small */
    .app.public-mode .title-text {
        font-size: 1rem;
    }

    .sidebar {
        width: 85%;
        max-width: 300px;
        top: 0;
        height: 100vh;
        height: 100dvh; /* Dynamic viewport for mobile browsers */
        padding-top: 70px;
        box-shadow: var(--shadow-xl);
        z-index: 1000;
    }

    .sidebar.scrolled {
        padding-top: 70px; /* Keep padding on mobile */
    }

    /* Show close button on mobile */
    .sidebar-close {
        display: flex;
    }

    .app.sidebar-open .sidebar {
        transform: translateX(0);
    }

    .app.sidebar-open .sidebar-overlay {
        display: block;
        opacity: 1;
        pointer-events: auto;
    }

    .sidebar-overlay {
        display: block;
        pointer-events: none;
    }

    /* Homepage adjustments */
    .homepage {
        padding: var(--phi-01);
    }

    .homepage-hero {
        padding: var(--phi) var(--phi-01);
    }

    .hero-tagline {
        font-size: 1.5rem;
    }

    .domain-quadrants {
        grid-template-columns: 1fr;
    }

    .quick-access-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .start-banner {
        flex-direction: column;
        text-align: center;
    }

    /* Document view adjustments */
    .document-view {
        padding: var(--phi-01);
    }

    .document-header,
    .document-content {
        padding: var(--phi-01);
    }

    .document-title {
        font-size: var(--phi-1-382);
    }

    .document-nav {
        flex-direction: column;
    }

    .nav-button.primary {
        margin-left: 0;
    }

    /* Disable floats on mobile - stack images */
    .document-content figure.float-right,
    .document-content figure.float-left {
        float: none;
        max-width: 100%;
        margin: var(--phi-01) 0;
    }

    .document-content .img-right,
    .document-content .img-left,
    .document-content img[align="right"],
    .document-content img[align="left"] {
        float: none;
        max-width: 100%;
        margin: var(--phi-01) 0;
    }

    /* Grid responsiveness */
    .document-content .content-grid.two-column,
    .document-content .content-grid.three-column,
    .document-content .content-grid.four-column {
        grid-template-columns: 1fr;
    }

    .document-content .comparison {
        grid-template-columns: 1fr;
    }

    .document-content .big-quote {
        font-size: clamp(1.1rem, 4vw, 1.5rem);
        padding: var(--phi-01);
    }

    /* Cards in single column on mobile */
    .document-content .card-grid {
        grid-template-columns: 1fr;
    }

    /* Touch-friendly button sizes */
    .nav-button {
        min-height: 21px;
        padding: var(--phi-02) var(--phi-01);
    }

    .btn-home {
        min-width: 44px;
        min-height: 21px;
    }

    .menu-toggle {
        min-width: 44px;
        min-height: 21px;
    }

    /* Sidebar touch targets */
    .resource-link,
    .folder-header,
    .domain-header {
        min-height: 21px;
        display: flex;
        align-items: center;
    }

    /* Stat grid adjustments */
    .document-content .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Small phones */
@media (max-width: 576px) {
    /* Tighter spacing */
    .document-view {
        padding: var(--phi-02);
    }

    .document-header,
    .document-content {
        padding: var(--phi-02);
    }

    /* Smaller headings */
    .document-title {
        font-size: clamp(1.25rem, 5vw, 1.618rem);
    }

    .document-content h1 {
        font-size: clamp(1.382rem, 5vw, 2rem);
    }

    .document-content h2 {
        font-size: clamp(1.146rem, 4.5vw, 1.618rem);
    }

    .document-content h3 {
        font-size: clamp(1rem, 4vw, 1.382rem);
    }

    /* Reduce callout phrase size on mobile */
    .document-content .callout-ai-phrase .phrase {
        font-size: clamp(1.146rem, 4vw, 1.618rem);
    }

    /* Stats in single column */
    .document-content .stat-grid {
        grid-template-columns: 1fr;
    }

    /* Breadcrumb wrapping */
    .breadcrumb {
        flex-wrap: wrap;
    }

    /* Header adjustments */
    .header {
        padding: var(--phi-02) var(--phi-01);
    }

    .logo-icon {
        width: 100px;
    }

    .title-text {
        font-size: 0.875em;
    }
}

/* Extra small phones */
@media (max-width: 480px) {
    .quick-access-grid {
        grid-template-columns: 1fr;
    }

    .tech-preview-grid {
        grid-template-columns: 1fr;
    }

    .logo-text {
        display: none;
    }

    .title-text {
        font-size: 0.75rem;
    }

    /* Single column grid items */
    .document-content .content-grid {
        gap: var(--phi-02);
    }

    .document-content .grid-item {
        padding: var(--phi-02);
    }

    /* Smaller steps numbering */
    .document-content .steps li::before {
        width: 1.5em;
        height: 1.5em;
        font-size: 0.75rem;
    }

    .document-content .steps li {
        padding-left: 2.25em;
    }
}

/* Safe area insets for notched devices (iPhone X, etc.) */
@supports (padding: env(safe-area-inset-bottom)) {
    .header {
        padding-left: max(var(--phi), env(safe-area-inset-left));
        padding-right: max(var(--phi), env(safe-area-inset-right));
    }

    .sidebar {
        padding-bottom: env(safe-area-inset-bottom);
    }

    .document-view {
        padding-left: max(var(--phi), env(safe-area-inset-left));
        padding-right: max(var(--phi), env(safe-area-inset-right));
        padding-bottom: max(var(--phi), env(safe-area-inset-bottom));
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* ========================================
   Engagements Domain Styles
   ======================================== */

.engagements-loading {
    padding: var(--phi-02);
    color: var(--text-muted);
    font-size: 0.8125rem;
    font-style: italic;
}

.status-group {
    margin-bottom: 0.25em;
}

.status-group .folder-header {
    gap: 0.35em;
}

.status-icon {
    font-size: 0.75em;
}

.status-count {
    font-size: 0.75em;
    color: var(--text-muted);
    margin-left: auto;
}

.engagement-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.engagement-link .external-icon {
    opacity: 0.4;
    flex-shrink: 0;
    margin-left: 0.5em;
    transition: opacity var(--transition-fast);
}

.engagement-link:hover .external-icon {
    opacity: 1;
}

@media (max-width: 480px) {
    .quick-access-grid {
        grid-template-columns: 1fr;
    }

    .tech-preview-grid {
        grid-template-columns: 1fr;
    }

    .logo-text {
        display: none;
    }

    .title-text {
        font-size: 0.75rem;
    }
}

/* ========================================
   Enhanced Markdown: Callout Boxes
   Usage: <div class="callout callout-tip">...</div>
   ======================================== */

.document-content .callout {
    margin: var(--phi-01) 0;
    padding: var(--phi-01);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--iris-teal);
    background: rgba(62, 166, 145, 0.08);
    position: relative;
}

.document-content .callout p:last-child {
    margin-bottom: 0;
}

.document-content .callout-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--phi-03);
    color: inherit;
    opacity: 0.8;
}

/* Tip Callout - Teal */
.document-content .callout-tip {
    border-left-color: var(--iris-teal);
    background: rgba(62, 166, 145, 0.08);
}

.document-content .callout-tip .callout-label {
    color: var(--iris-teal);
}

/* Warning Callout - Gold */
.document-content .callout-warning {
    border-left-color: var(--gold);
    background: rgba(244, 193, 52, 0.08);
}

.document-content .callout-warning .callout-label {
    color: var(--gold);
}

/* Note Callout - Blue/Brand */
.document-content .callout-note {
    border-left-color: var(--iris-brand);
    background: rgba(51, 93, 117, 0.1);
}

.document-content .callout-note .callout-label {
    color: var(--iris-brand);
}

/* AI Phrase Callout - Claude Orange */
.document-content .callout-ai-phrase {
    border-left-color: var(--claude);
    background: rgba(206, 128, 99, 0.1);
    font-style: italic;
}

.document-content .callout-ai-phrase .callout-label {
    color: var(--claude);
    font-style: normal;
}

.document-content .callout-ai-phrase .phrase {
    font-size: var(--phi-1-618);
    font-weight: 100;
    color: var(--snow);
    font-style: italic;
    display: block;
    margin-bottom: var(--phi-03);
}

.document-content .callout-ai-phrase .response {
    font-style: normal;
    color: var(--text-muted);
     font-size: var(--phi-1);
}

/* Danger/Error Callout - Red */
.document-content .callout-danger {
    border-left-color: var(--red);
    background: rgba(206, 67, 32, 0.08);
}

.document-content .callout-danger .callout-label {
    color: var(--red);
}

/* Success Callout - Green */
.document-content .callout-success {
    border-left-color: var(--in-progress);
    background: rgba(99, 195, 137, 0.08);
}

.document-content .callout-success .callout-label {
    color: var(--in-progress);
}

/* Quote Callout - Magenta */
.document-content .callout-quote {
    border-left-color: var(--dark-magenta);
    background: rgba(149, 66, 152, 0.08);
    font-style: italic;
}

.document-content .callout-quote .callout-label {
    color: var(--dark-magenta);
    font-style: normal;
}

.document-content .callout-quote .attribution {
    display: block;
    margin-top: var(--phi-02);
    font-style: normal;
    font-size: 0.875em;
    color: var(--text-muted);
}

.document-content .callout-quote .attribution::before {
    content: '— ';
}

/* ========================================
   Enhanced Markdown: Grid Layouts
   Usage: <div class="content-grid two-column">...</div>
   ======================================== */

.document-content .content-grid {
    display: grid;
    gap: var(--phi-01);
    margin: var(--phi-01) 0;
}

.document-content .content-grid.two-column {
    grid-template-columns: repeat(2, 1fr);
}

.document-content .content-grid.three-column {
    grid-template-columns: repeat(3, 1fr);
}

.document-content .content-grid.four-column {
    grid-template-columns: repeat(4, 1fr);
}

/* Auto-fit responsive grid */
.document-content .content-grid.auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Grid items */
.document-content .grid-item {
    padding: var(--phi-01);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
}

.document-content .grid-item h4 {
    margin-top: 0;
    margin-bottom: var(--phi-03);
    color: var(--iris-teal);
}

/* Card Grid - for visual cards */
.document-content .card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--phi-02);
    margin: var(--phi-01) 0;
}

.document-content .card {
    padding: var(--phi-01);
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.document-content .card:hover {
    border-color: var(--iris-teal);
}

.document-content .card-icon {
    font-size: 1.5rem;
    margin-bottom: var(--phi-03);
}

.document-content .card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--snow);
    margin-bottom: var(--phi-03);
}

.document-content .card-desc {
    font-size: 0.875em;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ========================================
   Enhanced Markdown: Comparison Tables
   ======================================== */

.document-content .comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--phi-02);
    margin: var(--phi-01) 0;
}

.document-content .comparison-do,
.document-content .comparison-dont {
    padding: var(--phi-01);
    border-radius: var(--border-radius-sm);
}

.document-content .comparison-do {
    background: rgba(99, 195, 137, 0.08);
    border: 1px solid rgba(99, 195, 137, 0.3);
}

.document-content .comparison-dont {
    background: rgba(206, 67, 32, 0.08);
    border: 1px solid rgba(206, 67, 32, 0.3);
}

.document-content .comparison-do::before {
    content: '✓ Do';
    display: block;
    font-weight: 600;
    color: var(--in-progress);
    margin-bottom: var(--phi-03);
    font-size: 0.875em;
}

.document-content .comparison-dont::before {
    content: '✗ Don\'t';
    display: block;
    font-weight: 600;
    color: var(--red);
    margin-bottom: var(--phi-03);
    font-size: 0.875em;
}

/* ========================================
   Enhanced Markdown: Emphasis & Highlights
   ======================================== */

.document-content .highlight {
    background: linear-gradient(120deg, rgba(244, 193, 52, 0.2) 0%, rgba(244, 193, 52, 0.1) 100%);
    padding: 2px 6px;
    border-radius: 4px;
}

.document-content .key-term {
    color: var(--iris-teal);
    font-weight: 600;
}

.document-content .ai-voice {
    font-style: italic;
    color: var(--claude);
    background: rgba(206, 128, 99, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
}

/* Big Quote - for pull quotes */
.document-content .big-quote {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--snow);
    text-align: center;
    padding: var(--phi) var(--phi-01);
    margin: var(--phi) 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    line-height: 1.4;
}

.document-content .big-quote .attribution {
    display: block;
    font-size: 0.875em;
    color: var(--text-muted);
    margin-top: var(--phi-02);
    font-weight: 400;
}

/* ========================================
   Enhanced Markdown: Stat Boxes
   ======================================== */

.document-content .stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--phi-02);
    margin: var(--phi-01) 0;
}

.document-content .stat-box {
    text-align: center;
    padding: var(--phi-01);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
}

.document-content .stat-number {
    font-size: 2rem;
    font-weight: 600;
    color: var(--iris-teal);
    display: block;
    line-height: 1.2;
}

.document-content .stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   Enhanced Markdown: Steps/Process
   ======================================== */

.document-content .steps {
    counter-reset: step-counter;
    list-style: none;
    padding: 0;
    margin: var(--phi-01) 0;
}

.document-content .steps li {
    position: relative;
    padding-left: 3em;
    margin-bottom: var(--phi-01);
    counter-increment: step-counter;
}

.document-content .steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 2em;
    height: 2em;
    background: var(--iris-teal);
    color: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875em;
}

/* ========================================
   Nutshell - Expandable Explanations
   Complete override for IRIS brand styling
   ======================================== */

/* Nutshell expandable links - the clickable terms */
.nutshell-expandable,
.document-content .nutshell-expandable,
a[href^="#"]:has(> .nutshell-expandable) {
    color: var(--iris-teal) !important;
    border-bottom: 1px dashed var(--iris-teal) !important;
    cursor: pointer !important;
    text-decoration: none !important;
    transition: all var(--transition-fast) !important;
    background: none !important;
}

.nutshell-expandable:hover,
.document-content .nutshell-expandable:hover {
    color: var(--snow) !important;
    border-bottom-color: var(--snow) !important;
}

[data-theme="light"] .nutshell-expandable:hover,
[data-theme="light"] .document-content .nutshell-expandable:hover {
    color: var(--iris-brand) !important;
    border-bottom-color: var(--iris-brand) !important;
}

/* Main bubble container */
.nutshell-bubble {
    all: unset !important;
    display: block !important;
    background: var(--bg-dark) !important;
    border: 1px solid var(--iris-teal) !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 20px rgba(62, 166, 145, .1) !important;
    color: var(--snow) !important;
    font-family: neue-kabel, sans-serif !important;
    margin: 12px 0 !important;
    position: relative !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
}

/* Hide the "from" header completely */
.nutshell-bubble-heading,
.nutshell-bubble-from {
    display: none !important;
}

/* Hide embed button */
.nutshell-bubble-overflow-embed-button,
.nutshell-embed-button,
[class*="embed-button"] {
    display: none !important;
}

/* Bubble content area */
.nutshell-bubble-content {
    padding: 16px !important;
    color: var(--snow) !important;
     font-size: var(--phi-1) !important;
    line-height: 1.6 !important;
    background: transparent !important;
}

.nutshell-bubble-content * {
    color: var(--snow) !important;
}

.nutshell-bubble-content p {
    margin: 0 0 12px 0 !important;
    color: var(--snow) !important;
}

.nutshell-bubble-content p:last-child {
    margin-bottom: 0 !important;
}

.nutshell-bubble-content strong {
    color: var(--iris-teal) !important;
    font-weight: 600 !important;
}

/* Overflow container - no background */
.nutshell-bubble-overflow {
    background: transparent !important;
    border: none !important;
}

/* Close button */
.nutshell-bubble-close {
    position: absolute !important;
    top: 8px !important;
    right: 8px !important;
    width: 24px !important;
    height: 24px !important;
    background: transparent !important;
    border: none !important;
    color: var(--text-muted) !important;
    cursor: pointer !important;
    font-size: 18px !important;
    line-height: 1 !important;
    opacity: 0.6 !important;
    transition: opacity var(--transition-fast) !important;
}
.nutshell-bubble-overflow-close {
    text-align: right !important;
    padding-right: .5em !important;
    font-size: 1.2em !important;
    right: 0 !important;
    top: 0 !important;
    bottom: auto !important;
   color: var(--snow) !important;
}

[data-theme="light"] .nutshell-bubble-overflow-close {
   color: var(--black) !important;
}

.nutshell-bubble-close:hover {
    opacity: 1 !important;
    color: var(--snow) !important;
}

/* Arrow - teal triangle pointing up */
.nutshell-bubble-arrow {
    position: absolute !important;
    top: -20px !important;
    /* Don't override left - let Nutshell position dynamically */
    width: 0 !important;
    height: 0 !important;
    border-left: 20px solid transparent !important;
    border-right: 20px solid transparent !important;
    border-bottom: 20px solid var(--iris-teal) !important;
    border-top: none !important;
    background: none !important;
    pointer-events: none !important;
    z-index: 10 !important;
}

/* Inner arrow fill for background color */
.nutshell-bubble-arrow::after {
    content: "" !important;
    position: absolute !important;
    top: 1.5px !important;
    left: -20px !important;
    width: 0 !important;
    height: 0 !important;
    border-left: 20px solid transparent !important;
    border-right: 20px solid transparent !important;
    border-bottom: 20px solid #0a0c17 !important;
    border-top: none !important;
}

[data-theme="light"] .nutshell-bubble-arrow::after {
    border-bottom: 20px var(--snow) !important;
}

/* Remove any default arrow styling */
.nutshell-bubble::before,
.nutshell-bubble::after {
    display: none !important;
}

/* Nested nutshells use gold color */
.nutshell-bubble .nutshell-expandable {
    color: var(--gold) !important;
    border-bottom-color: var(--gold) !important;
}

.nutshell-bubble .nutshell-expandable:hover {
    color: var(--snow) !important;
}

/* Nutshell sections in document - hidden by default */
.document-content h2:has(+ *):first-letter,
.document-content h3:has(+ *):first-letter {
    /* Nutshell handles visibility */
}

/* ========================================
   Access Mode & Avatar Button
   ======================================== */

.btn-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1.1rem;
}

.btn-avatar:hover {
    background: rgba(62, 166, 145, 0.1);
    border-color: var(--iris-teal);
    color: var(--iris-teal);
}

.app.team-mode .btn-avatar {
    border-color: var(--iris-teal);
    background: rgba(62, 166, 145, 0.15);
}

.app.team-mode .btn-avatar .avatar-icon {
    color: var(--iris-teal);
}

/* ========================================
   Login Modal
   ======================================== */

.login-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.login-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    padding: var(--phi-2);
    max-width: 400px;
    width: 90%;
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.login-modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--phi-01);
    right: var(--phi-01);
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--snow);
}

.modal-header {
    text-align: center;
    margin-bottom: var(--phi);
}

.modal-header h2 {
    font-size: var(--phi-1-618);
    color: var(--snow);
    margin-bottom: var(--phi-02);
}

.modal-header p {
    color: var(--text-muted);
    font-size: 0.875em;
}

.form-group {
    margin-bottom: var(--phi-01);
}

.form-group label {
    display: block;
    font-size: 0.875em;
    color: var(--text-muted);
    margin-bottom: var(--phi-03);
}

.form-group input {
    width: 100%;
    padding: var(--phi-02) var(--phi-01);
    font-family: inherit;
    font-size: 1em;
    background: var(--black);
    border: 1px solid var(--line-grey);
    border-radius: var(--border-radius-sm);
    color: var(--snow);
    transition: all var(--transition-fast);
}

[data-theme="light"] .form-group input {
    background: var(--snow);
    color: var(--black);
}

.form-group input:focus {
    outline: none;
    border-color: var(--iris-teal);
    box-shadow: 0 0 0 3px rgba(62, 166, 145, 0.15);
}

.login-error {
    color: var(--red);
    font-size: 0.875em;
    margin-bottom: var(--phi-01);
    padding: var(--phi-02);
    background: rgba(206, 67, 32, 0.1);
    border-radius: var(--border-radius-sm);
    text-align: center;
}

.btn-login {
    width: 100%;
    padding: var(--phi-02) var(--phi-01);
    font-family: inherit;
    font-size: 1em;
    font-weight: 500;
    background: linear-gradient(135deg, var(--iris-brand) 0%, var(--iris-teal) 100%);
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--snow);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(62, 166, 145, 0.3);
}

/* ========================================
   Public Mode Styles
   ======================================== */

/* Public Hero */
.public-hero {
    text-align: center;
    padding: var(--phi-3) var(--phi);
    margin-bottom: var(--phi-2);
    background: linear-gradient(135deg, rgba(51, 93, 117, 0.2) 0%, rgba(62, 166, 145, 0.15) 100%);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-subtle);
}

.public-hero .hero-title {
    margin-bottom: var(--phi-02);
    display: flex;
    align-items: center;
    justify-content: center;
}

.public-hero .hero-tagline {
    font-size: 2.5rem;
    color: var(--snow);
    font-weight: 200;
    margin-bottom: var(--phi-02);
    letter-spacing: 0.08em;
}

.public-hero .hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
}

/* Articles Section */
.articles-section {
    margin-bottom: var(--phi-2);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--phi-01);
}

.article-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-base);
    overflow: hidden;
}

.article-card-banner {
    width: 100%;
    aspect-ratio: 21 / 13;
    background-size: cover;
    background-position: center;
    transition: transform var(--transition-base);
}

.article-card:hover .article-card-banner {
    transform: scale(1.05);
}

.article-card-content {
    padding: var(--phi);
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--iris-teal), var(--iris-brand));
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.article-card:hover {
    border-color: var(--iris-teal);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.article-card:hover::before {
    opacity: 1;
}

.article-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--iris-teal);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--phi-02);
    padding: var(--phi-03) var(--phi-01);
    background: rgba(62, 166, 145, 0.1);
    border-radius: 20px;
}

.article-title {
    font-size: var(--phi-1-382);
    font-weight: 500;
    color: var(--snow);
    margin-bottom: var(--phi-02);
    line-height: 1.3;
}

.article-description {
    color: var(--text-muted);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--phi-01);
}

.article-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.read-more {
    color: var(--iris-teal);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.article-card:hover .read-more {
    color: var(--snow);
}

.no-articles {
    text-align: center;
    color: var(--text-muted);
    padding: var(--phi-2);
    font-style: italic;
}

/* Public Sidebar */
.public-articles-nav {
    padding: var(--phi-01);
}

.public-nav-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--phi-02);
    padding-bottom: var(--phi-03);
    border-bottom: 1px solid var(--border-subtle);
}

/* Public footer link styling */
.app.public-mode .homepage-footer a {
    color: var(--iris-teal);
    text-decoration: none;
    border-bottom: 1px dashed var(--iris-teal);
    transition: all var(--transition-fast);
}

.app.public-mode .homepage-footer a:hover {
    color: var(--snow);
    border-bottom-color: var(--snow);
}

/* Hide team-specific content in public mode */
.app.public-mode .start-banner,
.app.public-mode .quick-access-section,
.app.public-mode .tech-preview-section,
.app.public-mode .domains-section {
    display: none;
}

/* Responsive adjustments for public mode */
@media (max-width: 768px) {
    .public-hero {
        padding: var(--phi) var(--phi-01);
    }

    .public-hero .hero-tagline {
        font-size: 1.75rem;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .public-hero .hero-tagline {
        font-size: 1.5rem;
    }

    .article-card-content {
        padding: var(--phi-01);
    }
}

/* ========================================
   Blog Footer Styles
   ======================================== */

.site-footer.blog-footer {
    padding: 0;
    margin-top: var(--phi-2);
}

.site-footer .footer-line,
.blog-footer .footer-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--grey);
    padding: 1rem 0;
    font-size: 0.8rem;
    color: var(--grey);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--grey);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--iris-teal);
}

.footer-copyright {
    color: var(--grey);
}

@media (max-width: 700px) {
    .site-footer .footer-line,
    .blog-footer .footer-line {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .footer-links {
        gap: 1rem;
    }
}

/* Sidebar Footer */
.sidebar-footer {
    display: none;
    padding: var(--phi-01);
    margin-top: auto;
    border-top: 1px solid var(--border-subtle);
}

.app.viewing-document .sidebar-footer {
    display: block;
}

.sidebar-footer-line {
    display: flex;
    flex-direction: column;
    gap: var(--phi-03);
    font-size: 0.75rem;
    color: var(--grey);
}

.sidebar-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--phi-02);
}

.sidebar-footer-links a {
    color: var(--grey);
    text-decoration: none;
    transition: color 0.2s ease;
}

.sidebar-footer-links a:hover {
    color: var(--iris-teal);
}

.sidebar-footer-copyright {
    color: var(--grey);
    font-size: 0.7rem;
}