/* Base Variables & Reset */
:root {
    --primary: #2c3e50;
    --success: #2ecc71;
    --danger: #c0392b;
    --warning: #d35400;
    --light-bg: #f9f9f9;
    --border: #ddd;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f0f2f5;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    border-radius: 8px;
}



/* Headers */
h1, h2, h3 { color: var(--primary); }
h1 { font-size: 2.5em; margin-bottom: 5px; }
.subtitle { font-style: italic; color: #666; margin-top: 0; }
.disclaimer { font-size: 0.85em; color: #777; background: #eee; padding: 15px; border-radius: 4px; margin: 20px 0; }

.title{
    margin-bottom: 0;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
.data-table th, .data-table td {
    padding: 12px;
    border: 1px solid var(--border);
    text-align: left;
}
.data-table th { background: var(--primary); color: white; }
.highlight-row { background: #e8f4fd; }

/* Boxes & Cards */
.hero-box {
    border-left: 6px solid var(--primary);
    background: var(--light-bg);
    padding: 20px;
    margin: 30px 0;
}

.warning-box {
    background-color: #fffaf0;
    border: 2px dashed var(--warning);
    padding: 30px;
    border-radius: 8px;
}

.tactical-box, .calculator-card, .simulator-card {
    background: #fff;
    border: 1px solid var(--border);
    padding: 25px;
    border-radius: 8px;
    margin: 20px 0;
}

.takeaway {
    margin-top: 15px;
    padding: 10px 20px;
    background: #eef2f7;
    border-radius: 4px;
    font-size: 0.95em;
}

/* Simulator & Grid Layouts */
.control-row { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
.control-group { flex: 1; min-width: 200px; }
select, input[type="range"] { width: 100%; margin-top: 8px; }

.control-group label{
    font-weight: bold;
}

.chart-wrapper { height: 350px; position: relative; margin: 20px 0; }

.insight-box {
    background: #e8f4fd;
    padding: 15px;
    border-radius: 4px;
    border-left: 4px solid #3498db;
}

.habit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, min-minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.habit-card {
    padding: 15px;
    border: 1px solid #eee;
    border-radius: 6px;
    background: var(--light-bg);
}
.habit-card h4{
    margin: 0 0 10px 0;
}
.habit-card p{margin: 0; }

.phantom-grid{
    display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px;
}
.phantom-card{
    background: white; padding: 15px; border-radius: 5px; box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* Utility */
.risk-text { color: var(--danger); }
.success-text { color: var(--success); font-weight: bold; }
.footnotes { font-size: 0.95em; color: #666; margin-top: 30px; border-top: 1px solid #eee; padding-top: 20px; }

.main-footer {
    margin-top: 50px;
    text-align: center;
    font-size: 0.9em;
    color: #888;
    border-top: 1px solid #eee;
    padding-top: 20px;
}

.warning-box h2 {color: var(--warning); margin-top: 0;}
.warning-box h3 {color: var(--danger); margin: 0 0 10px 0;}
.warning-box .phantom-card p{margin: 0; font-size: 0.9em;}
.warning-box .foot{
    margin-top: 20px;
    font-weight: bold;
    text-align: center;
    color: var(--primary);
}

.success{
    color: var(--success);
    padding-right: 15px;
}
.requirement-list ul{
    padding-left: 0;
    list-style: none;
}
.requirement-list ul li{
    margin-bottom: 10px;
}

.legal-alert{
    background-color: #f8f9fa;
    border-left: 5px solid var(--danger); 
    padding: 20px; 
    margin: 30px 0;
}
.legal-alert p{
    margin-top: 0;
    margin-bottom: 0;
}
.legal-alert p+p{
    margin-top: 16px;
}
#result{
    color: var(--danger);
    font-size: 2em;
    font-weight: bold;
}
.result-box p{
    margin-bottom: 0;
    line-height: 1.2;
}


dl{
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.75em 1em;
    font-size: 0.9em;
    
}
dt{
    font-weight: bold;
    grid-column: 1;
}
dd{
    margin: 0;
    grid-column: 2;
}

a.ref{
    text-decoration: none;
    color: inherit;
}

#cycle-freq, #w2w-freq{
    height: 40px;
    padding: 0 15px;
    font-size: 1rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: #fff;
    cursor: pointer;
}


section{
    margin-top: 4em;
}
figure{
    margin-left: 1em;
    margin-right: 1em;
}

.gradient-hr {
    border: 0;
    height: 1px;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0));
    margin: 50px 0;
}



/* The Interactive Card Inside */
.calculator-card {
    background: #ffffff;
    color: #333;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
    max-width: 700px;
    margin: 0 auto;
}
.calculator-card h3{
    margin-bottom: 0;
}
.calculator-card h3+p{
    margin-top: 0;
}

/* Result Box Styling */
.result-box {
    margin-top: 30px;
    padding: 25px;
    background: #f8f9fa;
    border: 2px solid var(--danger);
    border-radius: 8px;
    text-align: center;
}

.result-box span#result {
    display: block;
    font-size: 3rem;
    color: var(--danger);
    font-weight: 800;
    margin: 10px 0;
}

.author-section {
    background-color: #1a202c;
    border-radius: 12px;
    padding: 40px;
    margin-top: 100px;
    border: 1px solid #eee;
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.author-logo {
    flex: 0 0 120px;
    /* Optional: background: var(--primary); border-radius: 8px; */
}

.author-content h3 {
    margin-top: 0;
    color: #fff;
    font-size: 1.4rem;
}

.author-bio {
    font-size: 1rem;
    line-height: 1.6;
    color: #fff;
}

.author-badges {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.badge {
    font-size: 0.75rem;
    background: #4299E1;
    color: #fff;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
    line-height: 1.4;
}

.author-contact-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #e5e5e5;
}

.author-contact-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s;
    font-size: 0.9rem;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
}

a.contact-item:hover {
    color: #4299E1;
    text-decoration: underline;
}

.contact-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 2px;
}

.checklist-grid > div{
    margin-bottom: 10px;
    line-height: 1.3;
}

@media screen and (max-width: 800px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 20px 15px;
        border-radius: 0;
    }

    h1 {
        font-size: 1.8rem;
    }

    .control-row {
        gap: 10px;
    }

    .author-section {
        flex-direction: column;
        padding: 25px;
        text-align: center;
    }
    .author-logo {
        margin: 0 auto;
    }
    .author-badges{
        justify-content: center;
    }

    .contact-label{
        text-align: left;
    }

    figure{
        margin-left: 0;
        margin-right: 0;
    }
    .simulator-card{
        padding: 10px;
    }
    .phantom-grid{
        grid-template-columns: auto;
    }
    .data-table th, .data-table td{
        padding-left: 5px;
        padding-right: 5px;
    }
}