/* Efficacy Guide - engage.re Design System (Premium Dark Mode) */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    /* Exact engage.re colors from globals.css */
    --color-primary: #D93025;
    --color-primary-glow: rgba(217, 48, 37, 0.4);
    --color-background: #1E1E1E;
    --color-surface: #2A2A2A;
    --color-surface-raised: #333333;
    --color-surface-header: #141414;
    --color-border: #3D3D3D;
    --color-border-subtle: #4D4D4D;
    --color-text-primary: #E5DED5;
    --color-text-muted: #A09890;
    --color-glass: rgba(255, 255, 255, 0.03);
    --color-glass-border: rgba(255, 255, 255, 0.08);
    --color-glass-raised: rgba(255, 255, 255, 0.06);
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-strong: 0 16px 48px rgba(0, 0, 0, 0.6);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
}

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

html {
    height: 100%;
}

body {
    font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--color-background);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100%;
    margin: 0;
    font-weight: 300;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--color-surface-header);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
    text-decoration: none;
}

.separator {
    color: var(--color-text-muted);
}

.title {
    color: var(--color-text-muted);
    font-size: 14px;
}

.back-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 14px;
}

.back-link:hover {
    text-decoration: underline;
}

/* Layout */
.layout {
    display: flex;
    margin-top: 64px;
    min-height: calc(100vh - 64px);
}

.sidebar {
    width: 220px;
    flex-shrink: 0;
    background: var(--color-surface-header);
    border-right: 1px solid var(--color-border);
    padding: 24px 0;
    position: fixed;
    top: 64px;
    left: 0;
    height: calc(100vh - 64px);
    overflow-y: auto;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: block;
    padding: 10px 24px;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.15s;
}

.nav-item:hover {
    color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.03);
    text-decoration: none;
}

.nav-item.active {
    color: var(--color-text-primary);
    background: rgba(217, 48, 37, 0.1);
    border-left: 2px solid var(--color-primary);
}

/* Main Content */
.main {
    flex: 1;
    padding: 40px 48px 80px;
    margin-left: 220px;
    max-width: 900px;
}

h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -1.5px;
    color: var(--color-text-primary);
    line-height: 1.1;
}

h2 {
    font-size: 24px;
    font-weight: 600;
    margin: 64px 0 24px;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

h2::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--color-border), transparent);
}

h3,
h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

p {
    margin-bottom: 12px;
}

.lead {
    font-size: 18px;
    color: var(--color-text-primary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.muted {
    color: var(--color-text-muted);
    font-size: 14px;
}

.example {
    display: block;
    color: var(--color-primary);
    font-size: 13px;
    margin-top: 4px;
    font-style: italic;
}

/* Cards */
.card {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 24px;
    transition: var(--transition-smooth);
}

.card:hover {
    background: var(--color-glass-raised);
    border-color: var(--color-glass-border);
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.card.highlight {
    border-color: var(--color-primary);
    background: rgba(217, 48, 37, 0.03);
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.link-card {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.link-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    text-decoration: none;
}

.link-card h3 {
    color: var(--color-primary);
}

/* Tables */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 16px 0 24px;
    font-size: 14px;
    border: 1px solid var(--color-glass-border);
    border-radius: 12px;
    overflow: hidden;
}

th,
td {
    text-align: left;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-glass-border);
}

th {
    background: rgba(255, 255, 255, 0.02);
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.04);
}

tfoot td {
    background: var(--color-surface-header);
    font-weight: 500;
}

ul {
    margin: 12px 0;
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

/* Tide & Boats */
.tide-boats {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: center;
}

.tide-boats-label {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.tide-boats-desc {
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.5;
}

.tide-boats-divider {
    width: 1px;
    height: 60px;
    background: var(--color-border);
}

/* IS / IS NOT */
.is-isnt {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.is-isnt-column ul {
    list-style: none;
    padding: 0;
}

.is-isnt-column li {
    padding-left: 16px;
    position: relative;
    margin-bottom: 8px;
    font-size: 14px;
}

.is-isnt-column li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-text-muted);
}

.is-label {
    color: var(--color-primary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.isnt-label {
    color: var(--color-text-muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

/* Source Grid (3 sources of change) - Stacked */
.source-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom: 48px;
}

.source {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.source:hover {
    background: var(--color-glass-raised);
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.source::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
    opacity: 0.5;
}

.source-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.source-icon {
    font-size: 32px;
    color: var(--color-primary);
    filter: drop-shadow(0 0 10px var(--color-primary-glow));
}

.source h3 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.source-definition {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 16px;
    opacity: 0.9;
}

.source-examples {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 12px 16px;
    margin-top: 12px;
}

.source-examples strong {
    display: block;
    margin-bottom: 8px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
}

.source-examples ul {
    margin: 0;
    padding-left: 16px;
}

.source-examples li {
    font-size: 13px;
    margin-bottom: 4px;
}

.scenario {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 20px;
}

.scenario-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.scenario-icon {
    font-size: 20px;
    color: var(--color-text-muted);
}

.scenario-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
}

.scenario h4 {
    margin-bottom: 12px;
}

.scenario-table {
    margin: 0;
    font-size: 13px;
}

.scenario-table td:first-child {
    color: var(--color-text-muted);
    width: 80px;
    padding: 4px 0;
}

.scenario-table td:last-child {
    padding: 4px 0;
}

/* Steps */
.steps {
    margin: 16px 0 24px;
}

.step {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.step-number {
    width: 32px;
    height: 32px;
    background: rgba(217, 48, 37, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    flex-shrink: 0;
}

.step-content h4 {
    margin-bottom: 4px;
}

/* Change Types Grid */
.change-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin: 32px 0 48px;
}

.change-type {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: 12px;
    padding: 24px 16px;
    text-align: center;
    transition: var(--transition-fast);
}

.change-type:hover {
    background: var(--color-surface-raised);
    border-color: var(--color-primary);
    transform: scale(1.02);
}

.change-type-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 12px;
}

.change-type-pattern {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 15px;
    color: var(--color-primary);
    margin-bottom: 10px;
    font-weight: 600;
}

.change-type-example {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* Confidence Badges */
.confidence {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.confidence.high {
    background: rgba(76, 175, 80, 0.15);
    color: #81c784;
}

.confidence.medium {
    background: rgba(255, 193, 7, 0.15);
    color: #ffd54f;
}

.confidence.low {
    background: rgba(244, 67, 54, 0.15);
    color: #e57373;
}

.confidence.inherited {
    background: rgba(156, 39, 176, 0.15);
    color: #ba68c8;
}

/* Slider Demo */
.slider-demo {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 20px;
    margin: 16px 0;
}

.slider-header {
    margin-bottom: 16px;
}

.slider-congrats {
    display: block;
    font-size: 16px;
    margin-bottom: 4px;
}

.slider-question {
    display: block;
    color: var(--color-text-muted);
    font-size: 13px;
}

.slider-items {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.slider-item {
    display: grid;
    grid-template-columns: 140px 1fr 40px;
    align-items: center;
    gap: 12px;
}

.slider-label {
    font-size: 13px;
    color: var(--color-text-primary);
}

.slider-bar {
    height: 8px;
    background: var(--color-primary);
    border-radius: 4px;
    width: var(--width);
}

.slider-bar.other {
    background: var(--color-text-muted);
}

.slider-value {
    font-size: 13px;
    color: var(--color-text-muted);
    text-align: right;
}

.slider-total {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--color-border);
    text-align: right;
    font-size: 13px;
    color: var(--color-text-muted);
}

/* Hierarchy Flow - CORRECTED (granular at bottom) */
.hierarchy-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin: 24px 0;
}

.hierarchy-level {
    text-align: center;
    max-width: 400px;
}

.hierarchy-box {
    display: inline-block;
    padding: 10px 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-weight: 500;
    margin-bottom: 6px;
}

.hierarchy-box.issue {
    background: rgba(217, 48, 37, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.hierarchy-box.team {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.hierarchy-desc {
    font-size: 12px;
    color: var(--color-text-muted);
    margin: 0;
}

.hierarchy-arrow {
    color: var(--color-text-muted);
    font-size: 12px;
}

/* Principles */
.principles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 16px 0 24px;
}

.principle {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 16px 20px;
}

.principle h4 {
    margin-bottom: 4px;
}

/* Capital Types */
.capital-types {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
    margin: 20px 0;
}

.capital-type {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 16px 12px;
    text-align: center;
}

.capital-icon {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--color-text-muted);
}

.capital-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.capital-desc {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.capital-mult {
    font-size: 11px;
    color: var(--color-primary);
    font-weight: 500;
}

/* Formula */
.formula {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 20px;
    font-family: 'SF Mono', Monaco, monospace;
}

.formula-line {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.formula-line:last-child {
    margin-bottom: 0;
}

.formula-label {
    min-width: 120px;
    font-weight: 500;
}

.formula-equals {
    color: var(--color-text-muted);
}

.formula-value {
    color: var(--color-primary);
}

/* Measurement Page - Dimensions */
.dimensions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 32px 0 48px;
}

.dimension {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.dimension:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-soft);
}

.dimension::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-primary);
    opacity: 0.3;
}

.dimension-number {
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 12px var(--color-primary-glow);
}

.dimension-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-primary);
}

.dimension-content p {
    font-size: 15px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.dimension-content p {
    margin-bottom: 8px;
}

.dimension-examples {
    color: var(--color-text-muted);
    font-size: 13px;
    font-style: italic;
}

/* Category Stack (measurement page) */
.category-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 48px;
}

.category-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px 32px;
    transition: var(--transition-smooth);
    display: grid;
    grid-template-columns: 60px 1fr auto;
    align-items: center;
    gap: 24px;
}

.category-item:hover {
    background: var(--color-surface-raised);
    border-color: var(--color-border-subtle);
    transform: translateX(4px);
}

.category-icon-box {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--color-primary);
}

.category-main-content {
    flex: 1;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 6px;
}

.category-header h4 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.category-badge {
    font-size: 11px;
    padding: 3px 10px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-muted);
    border: 1px solid var(--color-glass-border);
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.category-item p {
    margin: 0;
    font-size: 15px;
    color: var(--color-text-muted);
}

.category-example-box {
    text-align: right;
    min-width: 240px;
}

.category-example {
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 13px;
    color: var(--color-primary);
    background: rgba(217, 48, 37, 0.05);
    padding: 8px 16px;
    border-radius: 6px;
    display: inline-block;
}

.category-note {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 8px;
    opacity: 0.7;
}

/* Preset Grid */
.preset-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.preset {
    background: var(--color-glass);
    border: 1px solid var(--color-glass-border);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition-smooth);
}

.preset:hover {
    background: var(--color-surface-raised);
    border-color: var(--color-primary);
}

.preset strong {
    font-size: 15px;
    font-weight: 600;
}

.preset-config {
    font-size: 11px;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .main {
        padding: 24px;
    }

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

    .tide-boats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .tide-boats-divider {
        width: 100%;
        height: 1px;
    }

    .is-isnt {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

    .change-types-grid {
        grid-template-columns: 1fr 1fr;
    }

    .capital-types {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

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

    .category-item {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 24px;
    }

    .category-header {
        justify-content: center;
    }

    .category-example-box {
        text-align: center;
        min-width: unset;
    }

    .category-icon-box {
        margin: 0 auto;
    }
}