/* --- Brand Colors --- */
:root {
    --primary: #1a365d;
    --primary-light: #2b6cb0;
    --accent: #e53e3e;
    --accent-gold: #C4A55A;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-light: #ffffff;
    --bg-page: #edf2f7;
    --bg-surface: #f7fafc;
    --bg-card: #ffffff;
    --border-color: #cbd5e0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.05);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
}

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

/* General Body Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    margin: 0;
    padding: 24px;
}

.header-container {
    text-align: center;
    margin-bottom: 32px;
}

.brand-header {
    margin-bottom: 8px;
}

.brand-name {
    font-size: 1.6em;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.brand-the, .brand-better {
    color: var(--primary);
}

.brand-veteran {
    color: var(--accent-gold);
}

/* Main Container Styles */
#calculator-container {
    display: flex;
    justify-content: space-around;
    gap: 24px;
    background-color: var(--bg-surface);
    color: var(--text-primary);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

/* Input Group (Column) Styles */
.input-group {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: hidden;
}

/* Header Styles */
h1 {
    text-align: center;
    color: var(--primary);
    margin-bottom: 8px;
    font-size: 1.8em;
    letter-spacing: -0.02em;
}

h2 {
    color: var(--primary);
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 12px;
    margin-top: 0;
    font-size: 1.1em;
    letter-spacing: -0.01em;
}

/* Form Element Styles */
label {
    font-weight: 600;
    font-size: 0.8em;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

select, input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 1em;
    background-color: var(--bg-card);
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

select:focus, input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.15);
}

/* MHA Display Style */
#mha-display {
    text-align: center;
    font-size: 0.9em;
    color: var(--text-primary);
    background-color: rgba(43, 108, 176, 0.06);
    padding: 10px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(43, 108, 176, 0.15);
}
#mha-display strong {
    color: var(--primary);
}

/* Total Display Styles */
.total-display {
    margin-top: 16px;
    padding: 18px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.total-display h3 {
    margin: 0 0 5px 0;
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.total-display p {
    margin: 0;
    font-size: 1.6em;
    font-weight: 700;
    color: var(--text-light);
    transition: opacity 0.15s ease;
}

.total-display small {
    font-size: 0.8em;
    color: rgba(255, 255, 255, 0.7);
}

/* Breakdown Rows */
.breakdown-container {
    margin-top: 8px;
    padding: 10px 14px;
    background-color: var(--bg-card);
    border-radius: var(--radius-sm);
    font-size: 0.85em;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.breakdown-line {
    display: flex;
    justify-content: space-between;
    padding: 5px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--text-secondary);
}

.breakdown-line:last-child {
    border-bottom: none;
}

.breakdown-line span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

/* Delta Indicators */
.delta-indicator {
    text-align: center;
    margin-top: 10px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.88em;
    background-color: var(--bg-card);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.delta-amount.positive, .delta-percent.positive { color: #276749; }
.delta-amount.negative, .delta-percent.negative { color: #c53030; }
.delta-percent { margin-left: 6px; }

/* Results and Comparison Area Styles */
#results-container {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

/* Chart Controls */
#chart-controls {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 20px;
}

.chart-toggle {
    padding: 8px 24px;
    border: 1.5px solid var(--primary);
    background-color: var(--bg-card);
    color: var(--primary);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    transition: all 0.2s ease;
}

.chart-toggle:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.chart-toggle:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    border-left: none;
}

.chart-toggle.active {
    background-color: var(--primary);
    color: var(--text-light);
}

.chart-toggle:hover:not(.active) {
    background-color: rgba(26, 54, 93, 0.06);
}

/* Chart container */
#visual-comparison {
    max-width: 800px;
    margin: 0 auto;
}

/* Tax-Free Badges */
.tax-free-badge {
    display: inline-block;
    font-size: 0.65em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #276749;
    background-color: rgba(56, 161, 105, 0.15);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 6px;
    vertical-align: middle;
}

/* Opportunity Cost Section */
#opportunity-cost-container {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-top: 24px;
    text-align: center;
}

#opp-cost-grid {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 16px;
}

.opp-cost-card {
    flex: 1;
    min-width: 200px;
    max-width: 280px;
    padding: 20px;
    border-radius: var(--radius-md);
    background-color: var(--bg-card);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: var(--shadow-sm);
}

.opp-cost-card h4 {
    margin: 0 0 8px 0;
    font-size: 0.8em;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

.opp-cost-card .opp-cost-value {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}

.opp-cost-card .opp-cost-sub {
    font-size: 0.78em;
    color: var(--text-secondary);
    margin-top: 4px;
}

.opp-cost-card.highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border: none;
}

.opp-cost-card.highlight h4 {
    color: rgba(255, 255, 255, 0.8);
}

.opp-cost-card.highlight .opp-cost-value {
    color: var(--text-light);
}

.opp-cost-card.highlight .opp-cost-sub {
    color: rgba(255, 255, 255, 0.7);
}

#recoup-message {
    margin-top: 16px;
    font-size: 0.9em;
    font-weight: 600;
    color: var(--text-primary);
}

#tax-free-note {
    margin-top: 8px;
    font-size: 0.78em;
    color: var(--text-secondary);
    font-style: italic;
}

/* School-to-School Comparison */
#school-comparison-container {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    padding: 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-top: 24px;
    text-align: center;
}

#comparison-controls {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.comparison-select-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 240px;
}

.vs-badge {
    font-weight: 700;
    font-size: 1em;
    color: var(--primary);
    padding: 10px 0;
}

#comparison-results {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.comparison-card {
    flex: 1;
    min-width: 280px;
    max-width: 400px;
    padding: 24px;
    border-radius: var(--radius-md);
    background-color: var(--bg-card);
    border: 2px solid rgba(0, 0, 0, 0.06);
    box-shadow: var(--shadow-sm);
    text-align: left;
}

.comparison-card.winner {
    border-color: rgba(56, 161, 105, 0.4);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(56, 161, 105, 0.1);
}

.comparison-card h3 {
    margin: 0 0 16px 0;
    font-size: 1.05em;
    color: var(--primary);
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-light);
}

.comparison-card .comp-line {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 0.88em;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--text-secondary);
}

.comparison-card .comp-line:last-child {
    border-bottom: none;
}

.comparison-card .comp-line span:last-child {
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-card .comp-total {
    margin-top: 12px;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-sm);
    text-align: center;
}

.comparison-card .comp-total h4 {
    margin: 0 0 4px 0;
    font-size: 0.75em;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.comparison-card .comp-total p {
    margin: 0;
    font-size: 1.3em;
    font-weight: 700;
    color: var(--text-light);
}

.comparison-delta {
    text-align: center;
    margin-top: 16px;
    font-size: 0.85em;
    font-weight: 600;
}

.comparison-delta.positive { color: #276749; }
.comparison-delta.negative { color: #c53030; }

/* Footer Disclaimer Styles */
footer {
    text-align: center;
    margin-top: 40px;
    padding: 0 20px;
    color: var(--text-secondary);
}

footer p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 0.78em;
    line-height: 1.7;
}