:root {
    --primary-green: #2F4F4F;
    --accent-green: #4A6741;
    --highlight: #e8f5e9;
    --light-bg: #F0F4F0;
    --white: #FFFFFF;
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    --text-dark: #1a1a1a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: var(--light-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

header {
    padding: 40px 20px 20px;
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
}

header nav {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--accent-green);
    margin-bottom: 12px;
}

header h1 {
    font-size: 2.3rem;
    color: var(--primary-green);
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

main {
    max-width: 850px;
    margin: 0 auto;
    padding: 20px;
}

.setup-section {
    background: var(--white);
    padding: 35px;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    margin-bottom: 30px;
    border: 1px solid #e2ece2;
}

.form-group {
    margin-bottom: 25px;
}

.form-group > label {
    display: block;
    font-weight: 800;
    color: var(--primary-green);
    margin-bottom: 10px;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.main-input {
    width: 100%;
    padding: 16px;
    border-radius: 12px;
    border: 2px solid #ddd;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-green);
    outline: none;
    transition: 0.2s;
    font-family: var(--font-main);
    background-color: #f9fbf9;
}

.main-input:focus {
    border-color: var(--primary-green);
    background-color: var(--highlight);
}

.autocomplete-wrapper {
    position: relative;
    display: block;
}

.autocomplete-items {
    position: absolute;
    border: 1px solid #ddd;
    border-top: none;
    z-index: 99;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-radius: 0 0 12px 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    overflow: hidden;
    display: none;
}

.autocomplete-items div {
    padding: 15px;
    cursor: pointer;
    border-bottom: 1px solid #eee;
    color: var(--primary-green);
    font-weight: 700;
    font-size: 1.05rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.autocomplete-items div:last-child {
    border-bottom: none;
}

.autocomplete-items div:hover {
    background-color: var(--highlight);
}

.calc-submit-btn {
    width: 100%;
    padding: 20px;
    background: var(--primary-green);
    color: white;
    font-size: 1.25rem;
    font-weight: 800;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 15px;
}

.calc-submit-btn:hover {
    background: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(47,79,79,0.25);
}

.cta-button {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.1s, opacity 0.2s;
}

.cta-button:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.settings-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.settings-bar > div {
    flex: 1;
    min-width: 150px;
}

.settings-bar label {
    font-size: 0.8rem;
    font-weight: 700;
    color: #666;
    text-transform: uppercase;
    display: block;
    margin-bottom: 5px;
}

.calculator-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
}

.calculator-controls label {
    display: flex;
    flex-direction: column;
    font-size: 0.8rem;
    font-weight: 700;
    color: #666;
    text-transform: uppercase;
}

#visual-pot-container {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    height: 120px;
    margin: 20px 0;
    background: #fcfcfc;
    border-radius: 12px;
    border: 1px dashed #ddd;
    padding: 10px;
}

#visual-pot {
    background: var(--accent-green);
    opacity: 0.25;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 4px solid var(--primary-green);
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

#visual-rootball {
    background: var(--primary-green);
    opacity: 0.5;
    border: 2px dashed #000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: none;
}

#results-wrapper {
    display: none;
    animation: fadeIn 0.6s ease forwards;
    background: var(--white);
    padding: 35px;
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    border: 1px solid #e2ece2;
    margin-bottom: 30px;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.results-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--light-bg);
    color: var(--primary-green);
    font-weight: 800;
    font-size: 1.8rem;
}

.result-section-title {
    font-size: 1.25rem;
    color: var(--primary-green);
    margin-bottom: 15px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
}

.bento-dashboard {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: minmax(120px, auto);
    gap: 16px;
}

.bento-card {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 1px solid #e2ece2;
    transition: transform 0.2s;
}

.bento-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(47, 79, 79, 0.08);
}

.bento-card.span-2 { grid-column: span 2; }
.bento-icon { width: 32px; height: 32px; margin-bottom: 12px; fill: var(--accent-green); }
.bento-label { font-size: 0.75rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.8px; color: #666; margin-bottom: 4px; }
.bento-value { font-size: 1.4rem; font-weight: 800; color: var(--primary-green); line-height: 1.2; }

.npk-container { display: flex; gap: 8px; margin-top: 8px; }
.npk-pill { flex: 1; display: flex; flex-direction: column; align-items: center; background: var(--white); padding: 8px 4px; border-radius: 12px; border: 1px solid #e2ece2; }
.npk-letter { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 800; color: #888; }
.npk-num { font-size: 1.2rem; font-weight: 800; }
.n-pill .npk-num { color: #2E7D32; }
.p-pill .npk-num { color: #E65100; }
.k-pill .npk-num { color: #6A1B9A; }

.archetype-card {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-green) 100%);
    color: var(--white);
    border: none;
}
.archetype-card .bento-label { color: rgba(255, 255, 255, 0.7); }
.archetype-card .bento-value { color: var(--white); font-size: 1.6rem; }

.calculator-output {
    background-color: var(--light-bg);
    padding: 20px 25px;
    border-radius: 20px;
    border: 1px solid #e2ece2;
}

.output-single-line {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.output-single-line strong {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--primary-green);
    letter-spacing: -0.5px;
}

.weight-badge {
    display: inline-flex;
    align-items: center;
    background: #e3f2fd;
    color: #1565c0;
    padding: 4px 10px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    border: 1px solid #bbdefb;
}

.directory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.directory-card {
    display: block;
    text-decoration: none;
    padding: 25px;
    border-radius: 20px;
    background-color: var(--white);
    border: 2px solid #e2ece2;
    transition: transform 0.2s, border-color 0.2s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.directory-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-green);
    box-shadow: 0 8px 24px rgba(47, 79, 79, 0.08);
}

.sub-label {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--accent-green);
    letter-spacing: 0.5px;
    display: block;
    margin-top: 5px;
    margin-bottom: 8px;
}

.faq-section { margin-top: 50px; }
.faq-section h2 { font-size: 1.55rem; color: var(--primary-green); margin-bottom: 24px; font-weight: 800; border-bottom: 2px solid #e2ece2; padding-bottom: 15px; }
.faq-item { background: var(--white); padding: 25px; border-radius: 16px; margin-bottom: 15px; border: 1px solid #e2ece2; }
.faq-item h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--primary-green); font-weight: 800; }
.faq-item p { color: var(--text-dark); font-size: 1rem; line-height: 1.6; }

.sticky-buy-btn { display: none; }

@media (max-width: 768px) {
    .bento-dashboard { grid-template-columns: repeat(2, 1fr); }
    .bento-card.span-2, .bento-card:nth-child(2) { grid-column: span 2; }
    
    .sticky-buy-btn {
        display: block;
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        background: var(--primary-green);
        color: white;
        padding: 15px 30px;
        border-radius: 30px;
        font-weight: 800;
        text-decoration: none;
        box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        z-index: 1000;
        white-space: nowrap;
    }
}

@media print {
    header nav, .setup-section, .settings-bar, button, .sticky-buy-btn, .directory-grid, h2 {
        display: none !important;
    }
    
    body { background: white; font-size: 12pt; }
    #results-wrapper { display: block !important; box-shadow: none; border: none; padding: 0; }
    .calculator-output, #recipe-container, .bento-card, #shopping-recommendation { border: 1px solid #000; box-shadow: none; }
    
    .bento-dashboard { display: flex; flex-direction: column; gap: 10px; page-break-inside: avoid; }
    .archetype-card { background: white; color: black; border: 2px solid black; }
    .archetype-card .bento-label, .archetype-card .bento-value { color: black; }
    #ingredient-breakdown li { page-break-inside: avoid; border: 1px solid #000; }
}