/* Deep Work by Cal Newport - Book-Specific Styles */

:root {
    --accent-color: #1e40af;
    --accent-color-dark: #1e3a8a;
    --accent-gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    --section-title-bg: #1e40af;
    --key-box-color: #1e40af;
    --key-box-bg: #eff6ff;
    --verse-bg: #f0f9ff;
    --intro-bg: #f8fafc;
}

/* Central Node Override */
.central-node {
    background: var(--accent-gradient);
}

/* Chapter Card Hover */
.chapter-card:hover {
    border-color: var(--accent-color);
}

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

/* Key Points Box */
.key-points, .key-teachings {
    border-left-color: var(--accent-color);
    background: var(--key-box-bg);
}

/* Quote Box */
.quote-box {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-left: 4px solid var(--accent-color);
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 0 12px 12px 0;
    font-style: italic;
    color: #1e3a8a;
}

.quote-box .attribution {
    font-style: normal;
    font-weight: 600;
    margin-top: 10px;
    color: #1e40af;
    font-size: 0.9em;
}

/* Insight Box - For key deep work principles */
.insight-box {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 4px solid #d97706;
    padding: 20px;
    margin: 20px 0;
    border-radius: 0 10px 10px 0;
}

.insight-box h4 {
    color: #92400e;
    margin: 0 0 10px 0;
    font-size: 1em;
}

.insight-box p {
    margin: 0;
    color: #78350f;
}

/* Strategy Box - For practical techniques */
.strategy-box {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 2px solid #10b981;
    padding: 20px;
    margin: 20px 0;
    border-radius: 10px;
}

.strategy-box h4 {
    color: #047857;
    margin: 0 0 10px 0;
    font-size: 1em;
}

.strategy-box p, .strategy-box ul, .strategy-box ol {
    color: #065f46;
    margin: 0;
}

.strategy-box li {
    margin-bottom: 8px;
}

/* Warning Box - For shallow work dangers */
.warning-box {
    background: linear-gradient(135deg, #fef2f2 0%, #fecaca 100%);
    border-left: 4px solid #dc2626;
    padding: 20px;
    margin: 20px 0;
    border-radius: 0 10px 10px 0;
}

.warning-box h4 {
    color: #991b1b;
    margin: 0 0 10px 0;
    font-size: 1em;
}

.warning-box p {
    margin: 0;
    color: #7f1d1d;
}

/* Example Box - For case studies and examples */
.example-box {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 20px;
    margin: 20px 0;
    border-radius: 10px;
}

.example-box h4 {
    color: #475569;
    margin: 0 0 10px 0;
    font-size: 0.95em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.example-box p {
    color: #334155;
    margin: 0;
}

/* Rule Box - For the four rules */
.rule-box {
    background: var(--accent-gradient);
    color: white;
    padding: 25px;
    margin: 25px 0;
    border-radius: 12px;
    text-align: center;
}

.rule-box h3 {
    margin: 0 0 10px 0;
    font-size: 1.3em;
}

.rule-box p {
    margin: 0;
    opacity: 0.95;
}

/* Formula Box - For equations/formulas */
.formula-box {
    background: #1e293b;
    color: #f1f5f9;
    padding: 20px;
    margin: 20px 0;
    border-radius: 10px;
    font-family: 'Courier New', monospace;
    text-align: center;
    font-size: 1.1em;
}

/* Practice Box */
.practice-box {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border: 2px solid #0284c7;
    padding: 20px;
    margin: 20px 0;
    border-radius: 10px;
}

.practice-box h4 {
    color: #0369a1;
    margin: 0 0 15px 0;
}

.practice-box ol, .practice-box ul {
    color: #0c4a6e;
    margin: 0;
    padding-left: 20px;
}

.practice-box li {
    margin-bottom: 10px;
}

/* Concept Count Badge */
.concept-count {
    color: var(--accent-color);
}

/* Chapter Number Accent */
.chapter-number {
    color: var(--accent-color);
}

/* Intro Box */
.intro {
    border-left-color: var(--accent-color);
    background: var(--intro-bg);
}