@font-face {
    font-family: 'Egyptienne FS';
    src: url('https://d1c3jehp2z10s.cloudfront.net/Fonts/EgyptienneFS-Regular.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Urbano';
    src: url('https://d1c3jehp2z10s.cloudfront.net/Fonts/Urbano-Regular.otf') format('otf');
    font-weight: normal;
    font-style: normal;
}

:root {
    --primary-blue: #204889;
    --secondary-green: #009639;
    --bg-light-gray: #f5f5f7;
    --border-gray: #e1e1e1;
    --dark-text: #1d1d1f;
    --subtle-text: #6e6e73;
    --white: #ffffff;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    --radius: 12px;
    --transition: all 0.2s ease-in-out;
}

* { box-sizing: border-box; }

body {
    font-family: 'Urbano', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--white);
    color: var(--dark-text);
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

#confetti-canvas {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 9999; pointer-events: none;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 100;
}

header { text-align: center; padding: 40px 20px; background: var(--primary-blue); }
header .logo { max-width: 250px; margin-bottom: 20px; }
header h1 { font-family: 'Egyptienne FS', serif; margin: 0 0 10px 0; font-size: 2.5rem; font-weight: 500; color: var(--white); }
header p { color: var(--white); font-size: 1.1rem; max-width: 760px; margin: 0 auto; line-height: 1.6; }

.hidden { display: none !important; }

.intro-paragraph {
    text-align: left!important;
}

/* --- STATE SELECTION STYLES --- */
#state-selector {
    text-align: center;
    padding-bottom: 40px;
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border-gray);
}
#state-selector h2 {
    font-family: 'Egyptienne FS', serif;
    font-size: 2rem;
    font-weight: 500;
    margin: 0 0 30px 0;
}
.state-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}
.state-button {
    font-family: 'Urbano', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    padding: 20px 40px;
    border-radius: var(--radius);
    border: 2px solid var(--primary-blue);
    background-color: var(--white);
    color: var(--primary-blue);
    cursor: pointer;
    transition: var(--transition);
    min-width: 200px;
}
.state-button:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}
.state-button.selected-state {
    background-color: var(--primary-blue);
    color: var(--white);
    pointer-events: none;
}
.state-button.unselected-state {
    opacity: 0.5;
    background-color: var(--bg-light-gray);
    border-color: var(--border-gray);
    color: var(--subtle-text);
    pointer-events: none;
}


#estimator-main { padding: 40px 20px; }

#calculator-content {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 40px;
}
.selection-panel { flex: 2; }
.stack-visualizer { flex: 1; position: sticky; top: 40px; }

.main-header { font-family: 'Egyptienne FS', serif; font-size: 1.8rem; font-weight: 500; margin-top: 0; margin-bottom: 25px; padding-bottom: 15px; border-bottom: 1px solid var(--border-gray); }
.category-header { color: var(--primary-blue); font-family: 'Egyptienne FS', serif; font-size: 1.2rem; font-weight: 500; margin-bottom: 20px; margin-top: 40px; }
.category-header:first-of-type { margin-top: 0; }
.items-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.item-card { background-color: var(--bg-light-gray); border: 2px solid transparent; border-radius: var(--radius); padding: 20px; transition: var(--transition); cursor: pointer; display: flex; flex-direction: column; }
.item-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.item-card.selected { border-color: var(--primary-blue); background-color: var(--white); }
.item-card.disabled { opacity: 0.4; pointer-events: none; background: #e9ecef; }
.card-title { font-size: 1.1rem; font-weight: 600; margin: 0 0 8px 0; }
.card-description { flex-grow: 1; margin: 0 0 15px 0; font-size: 0.9rem; line-height: 1.5; color: var(--subtle-text); }
.card-footer { display: flex; justify-content: space-between; align-items: flex-end; margin-top: auto; }
.card-savings { font-weight: 700; font-size: 1.1rem; color: var(--secondary-green); display: block; }
.card-kwh { font-size: 0.9rem; color: var(--subtle-text); font-weight: 500; }
.prereq-list { display: flex; gap: 6px; }
.prereq-icon { font-size: 0.7rem; font-weight: bold; color: var(--subtle-text); background-color: #e1e3e8; padding: 2px 5px; border-radius: 4px; }

.summary-box { background-color: var(--bg-light-gray); border-radius: var(--radius); padding: 25px; text-align: center; }
.summary-box > p { margin: 0; font-weight: 500; color: var(--subtle-text); }
#total-savings { font-size: 3.5rem; font-weight: 700; color: var(--primary-blue); margin: 5px 0 15px 0; display: block; }
.summary-kwh-label { margin-top: 15px !important; }
#total-kwh { font-size: 1.75rem; font-weight: 600; color: var(--dark-text); margin: 5px 0; }
#your-stack-list { list-style: none; padding: 0; margin: 20px 0; min-height: 50px; text-align: left; }
.cta-button { display: block; width: 100%; padding: 16px; border: none; border-radius: var(--radius); font-size: 1rem; font-weight: 600; cursor: pointer; transition: var(--transition); background-color: var(--primary-blue); color: var(--white); }
.cta-button:disabled { background-color: #cacaca; cursor: not-allowed; }
#legend { margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--border-gray); text-align: left; }
#legend h4 { font-family: 'Egyptienne FS', serif; font-size: 1rem; color: var(--primary-blue); margin: 0 0 15px 0; font-weight: 600; }
.legend-item { display: flex; align-items: flex-start; gap: 8px; font-size: 0.85rem; color: var(--subtle-text); margin-bottom: 8px; }
.legend-item span { font-weight: bold; flex-shrink: 0; }
.legend-clarification {
    font-size: 0.8rem;
    font-style: italic;
    color: var(--subtle-text);
    margin-top: 15px;
    line-height: 1.4;
}

.app-footer { padding: 40px 20px; font-size: 0.8rem; color: var(--subtle-text); border-top: 1px solid var(--border-gray); line-height: 1.6; }
.app-footer p { margin: 0 0 15px 0; }
.app-footer p:last-child { margin-bottom: 0; }

/* --- UPDATED RESULTS PAGE STYLES --- */
#results-panel { padding: 60px 20px; }
.results-content { max-width: 600px; margin: 0 auto; text-align: center; }
.results-content > p { font-size: 1.2rem; font-weight: 500; color: var(--subtle-text); margin: 0; }
#results-total-savings { font-size: 5rem; font-weight: 700; color: var(--primary-blue); margin: 10px 0 0 0; line-height: 1; display: block; }
#results-total-kwh { font-size: 2.5rem; font-weight: 600; color: var(--dark-text); margin: 10px 0 30px 0; }
.results-content h3 { font-family: 'Egyptienne FS', serif; font-size: 1.5rem; margin-bottom: 10px; border-top: 1px solid var(--border-gray); padding-top: 30px; }
#results-breakdown-list { list-style: none; padding: 0; margin: 0; text-align: left; }
.result-item-card { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--border-gray); }
.result-item-card:last-child { border-bottom: none; }
.result-item-card .content h4 { margin: 0 0 5px 0; font-size: 1.1rem; font-weight: 600; }
.result-item-card .content .savings-type { font-size: 0.9rem; color: var(--subtle-text); margin-bottom: 10px; display: block; }
.result-item-card .content a { color: var(--primary-blue); text-decoration: none; font-weight: 500; font-size: 0.9rem; }
.result-item-card .content a:hover { text-decoration: underline; }
.result-item-card .values { text-align: right; }
.result-item-card .savings-value { font-size: 1.2rem; font-weight: 600; color: var(--secondary-green); white-space: nowrap; }
.result-item-card .kwh-value { font-size: 0.9rem; color: var(--subtle-text); display: block; }
.cta-button.secondary { background: none; border: 1px solid var(--primary-blue); color: var(--primary-blue); max-width: 200px; margin: 40px auto 0 auto;}
.cta-button.secondary:hover { background: var(--primary-blue); color: var(--white); }

@media (max-width: 900px) {
    #calculator-content { flex-direction: column; }
    .stack-visualizer { position: static; width: 100%; margin-top: 40px; }
    .state-buttons { flex-direction: column; }
}