/* Crop Seed Rate Advisor Styles */
:root {
    --csra-primary: #22863a; /* Agriculture Green */
    --csra-primary-hover: #1a5e2a;
    --csra-bg: #f0f9f0;
    --csra-card: #ffffff;
    --csra-text: #1a3a1a;
    --csra-text-muted: #2d5a2d;
    --csra-border: #95d5b2;
    --csra-radius: 12px;
}

.csra-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    max-width: 600px;
    margin: 2rem auto;
    background: var(--csra-card);
    padding: 2rem;
    border-radius: var(--csra-radius);
    box-shadow: 0 4px 6px -1px rgba(34, 134, 58, 0.15), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--csra-border);
    box-sizing: border-box;
}

.csra-wrapper * {
    box-sizing: border-box;
}

.csra-header {
    text-align: center;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.csra-icon {
    color: var(--csra-primary);
    margin-bottom: 0.5rem;
}

.csra-header h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    color: var(--csra-text);
}

.csra-header p {
    margin: 0;
    color: var(--csra-text-muted);
    font-size: 0.95rem;
}

.csra-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.csra-form {
    background: var(--csra-bg);
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid var(--csra-border);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.csra-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.csra-form-group label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--csra-text);
}

.csra-form-group select {
    padding: 0.85rem;
    border: 2px solid var(--csra-border);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--csra-card);
    color: var(--csra-text);
    cursor: pointer;
    transition: border-color 0.2s;
}

.csra-form-group select:focus {
    outline: none;
    border-color: var(--csra-primary);
}

.csra-btn {
    padding: 1rem;
    background: var(--csra-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 0.5rem;
}

.csra-btn:hover {
    background: var(--csra-primary-hover);
}

.csra-btn:active {
    transform: scale(0.98);
}

.csra-result {
    background: linear-gradient(135deg, #f0f9f0 0%, #d1fae5 100%);
    padding: 1.5rem;
    border: 2px solid var(--csra-border);
    border-radius: 12px;
    animation: slideDown 0.4s ease-out;
}

.csra-result.hidden {
    display: none;
}

.csra-result-content {
    text-align: center;
}

.csra-result-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--csra-primary);
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.csra-result-crop {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--csra-text);
    margin-bottom: 0.5rem;
    text-transform: capitalize;
}

.csra-result-season {
    font-size: 0.95rem;
    color: var(--csra-text-muted);
    margin-bottom: 1rem;
    font-weight: 500;
}

.csra-result-rate {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--csra-primary);
    margin-bottom: 0.5rem;
    font-family: 'Courier New', monospace;
}

.csra-result-unit {
    font-size: 1rem;
    color: var(--csra-text-muted);
    font-weight: 600;
}

.csra-result-note {
    font-size: 0.85rem;
    color: var(--csra-text-muted);
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--csra-border);
    font-style: italic;
}

.csra-error {
    background: #fee2e2;
    color: #991b1b;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #fecaca;
    font-weight: 500;
}

.csra-error.hidden {
    display: none;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
    .csra-wrapper {
        margin: 1rem;
        padding: 1.5rem;
    }

    .csra-result-rate {
        font-size: 1.75rem;
    }

    .csra-btn {
        padding: 0.9rem;
        font-size: 0.95rem;
    }
}