/**
 * Macadamia Price Calculator - Styles
 * Professional, clean design with organic elements inspired by macadamia farming
 */

:root {
    --primary-color: #2d5016;
    --primary-light: #4a7c2b;
    --primary-dark: #1a3009;
    --accent-color: #c89f5d;
    --accent-light: #e4c18a;
    --background: #fafaf8;
    --surface: #ffffff;
    --text-primary: #2c2c2c;
    --text-secondary: #666666;
    --border-color: #e0e0db;
    --success-color: #2d8659;
    --error-color: #c53030;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);
}

/* Container */
.macadamia-calculator-container {
    max-width: 900px;
    margin: 40px auto;
    background: var(--surface);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
}

/* Header */
.calculator-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    padding: 40px 40px 36px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.calculator-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.calculator-header h2 {
    margin: 0 0 8px;
    color: #ffffff;
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.5px;
    position: relative;
}

.calculator-subtitle {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    font-weight: 400;
    position: relative;
}

/* Form */
.calculator-form {
    padding: 40px;
}

.form-section {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.label-text {
    flex: 1;
}

.label-unit {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 13px;
}

.form-group input {
    padding: 14px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--background);
    transition: all 0.2s ease;
    font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--surface);
    box-shadow: 0 0 0 4px rgba(45, 80, 22, 0.1);
}

.form-group input::placeholder {
    color: #aaa;
    font-weight: 400;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 12px;
    padding-top: 8px;
}

.btn-calculate,
.btn-reset {
    flex: 1;
    padding: 16px 32px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-calculate {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-calculate:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 80, 22, 0.3);
}

.btn-calculate:active {
    transform: translateY(0);
}

.btn-reset {
    background: var(--background);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
}

.btn-reset:hover {
    background: var(--border-color);
}

/* Results */
.results-container {
    padding: 40px;
    background: linear-gradient(180deg, var(--background) 0%, var(--surface) 100%);
    border-top: 1px solid var(--border-color);
    animation: slideDown 0.4s ease;
}

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

.results-header {
    margin-bottom: 24px;
}

.results-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 24px;
    font-weight: 700;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.result-card {
    background: var(--surface);
    padding: 20px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: all 0.2s ease;
}

.result-card-highlight {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-light) 100%);
    border-color: var(--accent-color);
    grid-column: 1 / -1;
}

.result-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.result-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.result-card-highlight .result-label {
    color: rgba(0, 0, 0, 0.6);
}

.result-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;
    margin-bottom: 4px;
}

.result-card-highlight .result-value {
    font-size: 48px;
    color: var(--primary-dark);
}

.result-detail {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.quality-bonus .result-value {
    color: var(--success-color);
}

.quality-penalty .result-value {
    color: var(--error-color);
}

/* Breakdown */
.results-breakdown {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.btn-toggle-breakdown {
    width: 100%;
    padding: 12px 20px;
    background: var(--surface);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-toggle-breakdown:hover {
    background: var(--background);
    border-color: var(--primary-color);
}

.breakdown-content {
    margin-top: 16px;
    padding: 20px;
    background: var(--surface);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.breakdown-table {
    width: 100%;
    border-collapse: collapse;
}

.breakdown-table tr {
    border-bottom: 1px solid var(--border-color);
}

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

.breakdown-table td {
    padding: 12px 0;
    font-size: 14px;
}

.breakdown-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.breakdown-value {
    text-align: right;
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;
}

/* Error Message */
.error-message {
    margin: 20px 40px;
    padding: 16px 20px;
    background: #fff5f5;
    border: 2px solid var(--error-color);
    border-radius: 8px;
    color: var(--error-color);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: shake 0.4s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

.error-icon {
    font-size: 20px;
}

/* Loading Spinner */
.loading-spinner {
    padding: 40px;
    text-align: center;
}

.spinner {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-spinner p {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .macadamia-calculator-container {
        margin: 20px;
        border-radius: 12px;
    }
    
    .calculator-header {
        padding: 32px 24px 28px;
    }
    
    .calculator-header h2 {
        font-size: 26px;
    }
    
    .calculator-form {
        padding: 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .results-container {
        padding: 24px;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .result-card-highlight .result-value {
        font-size: 40px;
    }
}

@media (max-width: 480px) {
    .calculator-header h2 {
        font-size: 22px;
    }
    
    .result-value {
        font-size: 28px;
    }
    
    .result-card-highlight .result-value {
        font-size: 36px;
    }
}

/* Print Styles */
@media print {
    .macadamia-calculator-container {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
    
    .calculator-form,
    .btn-toggle-breakdown,
    .loading-spinner {
        display: none;
    }
    
    .results-container {
        page-break-inside: avoid;
    }
    
    .breakdown-content {
        display: block !important;
    }
}