/* The Whole-Brain Child - Book-specific styles */
/* Theme: Warm coral/orange for nurturing and child development */

:root {
    --accent-color: #f97316;
    --accent-color-dark: #ea580c;
    --accent-gradient: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    --section-title-bg: #9a3412;
    --key-box-color: #ea580c;
    --key-box-bg: #fff7ed;
    --verse-bg: #fff7ed;
    --intro-bg: #fff7ed;
}

/* Central node with warm gradient */
.central-node {
    background: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
}

/* Section title backgrounds */
.section-title {
    background: var(--section-title-bg);
}

/* Chapter card hover effect */
.chapter-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 8px 25px rgba(249, 115, 22, 0.2);
}

/* Authors styling */
.authors {
    font-size: 1.3em;
    color: #64748b;
    margin-bottom: 10px;
}

/* Book subtitle */
.book-subtitle {
    font-size: 1.1em;
    color: #475569;
    font-style: italic;
    margin-bottom: 30px;
}

/* Brain concept box - for explaining brain science */
.brain-concept {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 4px solid #f59e0b;
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
}

.brain-concept h3, .brain-concept h4 {
    color: #b45309;
    margin-top: 0;
    margin-bottom: 10px;
}

/* Left brain styling */
.left-brain {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-left: 4px solid #3b82f6;
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
}

.left-brain h4 {
    color: #1d4ed8;
    margin-top: 0;
}

/* Right brain styling */
.right-brain {
    background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 100%);
    border-left: 4px solid #ec4899;
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
}

.right-brain h4 {
    color: #be185d;
    margin-top: 0;
}

/* Upstairs brain styling */
.upstairs-brain {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border-left: 4px solid #10b981;
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
}

.upstairs-brain h4 {
    color: #047857;
    margin-top: 0;
}

/* Downstairs brain styling */
.downstairs-brain {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-left: 4px solid #ef4444;
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
}

.downstairs-brain h4 {
    color: #b91c1c;
    margin-top: 0;
}

/* Strategy box - for the 12 strategies */
.strategy-box {
    background: white;
    border: 2px solid var(--accent-color);
    border-radius: 12px;
    padding: 20px;
    margin: 25px 0;
    position: relative;
}

.strategy-box::before {
    content: attr(data-strategy);
    position: absolute;
    top: -12px;
    left: 20px;
    background: var(--accent-gradient);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: bold;
}

.strategy-box h4 {
    color: var(--accent-color-dark);
    margin-top: 8px;
    margin-bottom: 12px;
}

/* Parent-child dialogue */
.dialogue-example {
    background: #f8fafc;
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
}

.dialogue-example h4 {
    color: #475569;
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 0.95em;
}

.dialogue-line {
    padding: 10px 15px;
    margin: 8px 0;
    border-radius: 8px;
}

.dialogue-line.parent {
    background: #dbeafe;
    margin-left: 20px;
}

.dialogue-line.child {
    background: #fce7f3;
    margin-right: 20px;
}

.dialogue-line .speaker {
    font-weight: bold;
    color: #374151;
}

/* Age-appropriate tips */
.age-tips {
    background: #f0fdf4;
    border: 1px solid #86efac;
    border-radius: 12px;
    padding: 20px;
    margin: 25px 0;
}

.age-tips h4 {
    color: #166534;
    margin-top: 0;
}

.age-range {
    display: inline-block;
    background: #22c55e;
    color: white;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.85em;
    margin-right: 8px;
}

/* Integration visualization */
.integration-visual {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 12px;
    padding: 25px;
    margin: 25px 0;
    text-align: center;
}

.integration-visual .arrow {
    font-size: 2em;
    color: var(--accent-color);
    margin: 10px 0;
}

/* Scenario box */
.scenario {
    background: #fffbeb;
    border-left: 4px solid #f59e0b;
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
}

.scenario h4 {
    color: #b45309;
    margin-top: 0;
}

/* What's happening in the brain */
.brain-insight {
    background: linear-gradient(135deg, #fdf4ff 0%, #f3e8ff 100%);
    border-left: 4px solid #a855f7;
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 0 8px 8px 0;
}

.brain-insight h4 {
    color: #7c3aed;
    margin-top: 0;
}

/* Do this / Not that comparison */
.do-dont {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 25px 0;
}

.do-this {
    background: #f0fdf4;
    border: 2px solid #22c55e;
    border-radius: 12px;
    padding: 20px;
}

.do-this h4 {
    color: #166534;
    margin-top: 0;
}

.do-this h4::before {
    content: '✓ ';
}

.not-that {
    background: #fef2f2;
    border: 2px solid #ef4444;
    border-radius: 12px;
    padding: 20px;
}

.not-that h4 {
    color: #b91c1c;
    margin-top: 0;
}

.not-that h4::before {
    content: '✗ ';
}

@media (max-width: 768px) {
    .do-dont {
        grid-template-columns: 1fr;
    }
}

/* Quick strategy reference */
.quick-strategy {
    background: var(--key-box-bg);
    border-radius: 12px;
    padding: 15px 20px;
    margin: 15px 0;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.strategy-number {
    background: var(--accent-gradient);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.strategy-content h5 {
    margin: 0 0 5px 0;
    color: var(--accent-color-dark);
}

.strategy-content p {
    margin: 0;
    color: #4a5568;
    font-size: 0.95em;
}

/* Philosophy box */
.philosophy {
    background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
    border-radius: 12px;
    padding: 30px;
    margin: 30px 0;
    text-align: center;
}

.philosophy blockquote {
    font-size: 1.2em;
    color: #9a3412;
    font-style: italic;
    margin: 0;
    line-height: 1.6;
}

.philosophy cite {
    display: block;
    margin-top: 15px;
    color: #64748b;
    font-style: normal;
}

/* Chapter strategy count */
.strategy-count {
    display: inline-block;
    background: linear-gradient(135deg, #f97316 0%, #fb923c 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    margin-top: 8px;
}

/* Intro section styling */
.intro {
    background: var(--intro-bg);
    border-left: 4px solid var(--accent-color);
}

/* Whole brain summary box */
.whole-brain-summary {
    background: linear-gradient(135deg, #fefce8 0%, #fef9c3 100%);
    border: 2px solid #eab308;
    border-radius: 12px;
    padding: 25px;
    margin: 25px 0;
}

.whole-brain-summary h4 {
    color: #a16207;
    margin-top: 0;
    text-align: center;
}