/* Precious Metals Portfolio Tracker Styling */

:root {
    /* Base colors */
    --background-color: #f9fafb;
    --text-color: #2d3748;
    --border-color: #e2e8f0;
    
    /* Metal colors */
    --gold-color: #fac858;
    --gold-gradient: linear-gradient(135deg, #f9d776, #f59f00);
    --silver-color: #a0aec0;
    --silver-gradient: linear-gradient(135deg, #cbd5e0, #718096);
    --platinum-color: #e2e4e6;
    --platinum-gradient: linear-gradient(135deg, #e2e4e6, #a0aec0);
    --palladium-color: #bca6a1;
    --palladium-gradient: linear-gradient(135deg, #bca6a1, #9a7569);
    
    /* Action colors */
    --primary-color: #4a5568;
    --primary-gradient: linear-gradient(135deg, #4a5568, #2d3748);
    --success-color: #48bb78;
    --danger-color: #e53e3e;
    --accent-color: #5686f5;
    
    /* Chart colors */
    --chart-gold: #fac858;
    --chart-silver: #a0aec0;
    --chart-platinum: #e2e4e6;
    --chart-palladium: #bca6a1;
    
    /* UI elements */
    --box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --border-radius: 12px;
    --small-radius: 6px;
}

/* Base styles */
.precious-metals-portfolio-tracker {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    max-width: 1280px;
    margin: 30px auto;
    padding: 30px;
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    color: var(--text-color);
    width: 100%;
    box-sizing: border-box;
}

.portfolio-title {
    text-align: center;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 30px;
    padding-bottom: 15px;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.portfolio-title:after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

/* Current Prices Display */
.metals-summary {
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
    position: relative;
}

.metal-prices {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 10px;
}

.metal-price {
    display: flex;
    align-items: center;
    padding: 15px;
    border-radius: var(--small-radius);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.metal-price:hover {
    transform: translateY(-5px);
}

.metal-price.gold {
    background: var(--gold-gradient);
    color: #000;
}

.metal-price.silver {
    background: var(--silver-gradient);
    color: #fff;
}

.metal-price.platinum {
    background: var(--platinum-gradient);
    color: #000;
}

.metal-price.palladium {
    background: var(--palladium-gradient);
    color: #fff;
}

.metal-icon {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.1));
}

.price-details {
    display: flex;
    flex-direction: column;
}

.metal-name {
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 5px;
}

.price-value {
    font-size: 20px;
    font-weight: 600;
}

.refresh-all-prices-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--small-radius);
    padding: 8px 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.refresh-all-prices-btn:hover {
    background-color: #2d3748;
    transform: translateY(-2px);
}

.refresh-all-prices-btn .dashicons {
    font-size: 18px;
}

.refresh-all-prices-btn.loading .dashicons {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.price-updated-container {
    display: flex;
    justify-content: flex-end;
    font-size: 14px;
    color: #666;
    margin-top: 8px;
}

/* Portfolio Summary */
.portfolio-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.summary-item {
    background-color: #fff;
    border-radius: var(--small-radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
    border: 1px solid var(--border-color);
}

.summary-item:hover {
    transform: translateY(-5px);
}

.summary-label {
    font-size: 14px;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    display: block;
}

.summary-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

#total-profit.positive, 
#performance-percentage.positive {
    color: var(--success-color);
}

#total-profit.negative, 
#performance-percentage.negative {
    color: var(--danger-color);
}

/* Portfolio Visualization */
.portfolio-visualization {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 40px;
    margin-bottom: 30px;
}

.metal-allocation-chart,
.metal-value-chart {
    background-color: #fff;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
}

.metal-allocation-chart h3,
.metal-value-chart h3 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 20px;
    font-weight: 700;
}

canvas {
    width: 100% !important;
    height: 350px !important;
}

/* Portfolio Controls */
.portfolio-controls {
    display: flex;
    justify-content: space-between;
    margin-bottom: 25px;
}

.main-controls {
    display: flex;
    gap: 15px;
}

.add-item-btn, 
.download-btn, 
.reset-btn {
    padding: 12px 20px;
    border-radius: var(--small-radius);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    border: none;
}

.add-item-btn {
    background: var(--primary-gradient);
    color: white;
}

.add-item-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.download-btn {
    background-color: var(--accent-color);
    color: white;
}

.download-btn:hover {
    background-color: #4277e5;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.reset-btn {
    background-color: white;
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.reset-btn:hover {
    background-color: #fff5f5;
    transform: translateY(-2px);
}

/* Add Item Form */
.add-item-form {
    background-color: #fff;
    border-radius: var(--small-radius);
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
    animation: slideDown 0.3s ease;
}

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

.add-item-form h3 {
    font-size: 20px;
    font-weight: 600;
    margin-top: 0;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    color: var(--primary-color);
}

.form-row {
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    flex-wrap: wrap;
}

.form-row label {
    flex: 0 0 180px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
    padding-top: 6px;
}

.input-container {
    flex: 1;
    min-width: 0;
}

.weight-container {
    display: flex;
    gap: 10px;
}

.input-container input,
.input-container select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--small-radius);
    font-size: 15px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.input-container input:focus,
.input-container select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(74, 85, 104, 0.1);
}

.weight-container select {
    width: 120px;
    flex-shrink: 0;
}

.form-buttons {
    display: flex;
    justify-content: flex-end;
    margin-top: 25px;
    gap: 15px;
}

.save-btn,
.cancel-btn {
    padding: 10px 20px;
    border-radius: var(--small-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.save-btn {
    background: var(--primary-gradient);
    color: white;
    border: none;
}

.save-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.cancel-btn {
    background-color: white;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

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

/* Item Filter Controls */
.item-filter-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background-color: var(--background-color);
    border-radius: var(--small-radius);
    border: 1px solid var(--border-color);
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-item label {
    font-weight: 600;
    color: var(--primary-color);
}

.filter-item select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--small-radius);
    font-size: 14px;
    transition: all 0.3s ease;
}

.filter-item select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Portfolio Table */
.portfolio-items {
    overflow-x: auto;
    background-color: #fff;
    border-radius: var(--small-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
    -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
}

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

.portfolio-table th,
.portfolio-table td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    text-align: left;
    white-space: nowrap;
}

.portfolio-table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
}

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

.portfolio-table tbody tr {
    transition: background-color 0.3s ease;
}

.portfolio-table tbody tr:hover {
    background-color: #f9f9f9;
}

.portfolio-table .metal-badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: capitalize;
}

.portfolio-table .gold {
    background-color: rgba(250, 200, 88, 0.2);
    color: #b7791f;
}

.portfolio-table .silver {
    background-color: rgba(160, 174, 192, 0.2);
    color: #4a5568;
}

.portfolio-table .platinum {
    background-color: rgba(226, 228, 230, 0.4);
    color: #4a5568;
}

.portfolio-table .palladium {
    background-color: rgba(188, 166, 161, 0.2);
    color: #9a7569;
}

.portfolio-table .profit {
    color: var(--success-color);
    font-weight: 700;
}

.portfolio-table .loss {
    color: var(--danger-color);
    font-weight: 700;
}

.portfolio-table .action-buttons {
    display: flex;
    gap: 10px;
}

.portfolio-table .action-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.portfolio-table .edit-btn {
    color: var(--accent-color);
}

.portfolio-table .edit-btn:hover {
    background-color: rgba(86, 134, 245, 0.1);
}

.portfolio-table .delete-btn {
    color: var(--danger-color);
}

.portfolio-table .delete-btn:hover {
    background-color: rgba(229, 62, 62, 0.1);
}

.portfolio-table .empty-portfolio {
    padding: 40px 20px;
    text-align: center;
    color: #666;
    font-style: italic;
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    .precious-metals-portfolio-tracker {
        padding: 20px;
    }

    .portfolio-visualization {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .form-row {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .form-row label {
        width: 100%;
        margin-bottom: 4px;
    }
    
    .input-container {
        width: 100%;
    }
    
    .weight-container {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .weight-container select {
        width: 100%;
    }
    
    canvas {
        height: 300px !important;
    }
}

@media (max-width: 768px) {
    .precious-metals-portfolio-tracker {
        padding: 15px;
        margin: 15px auto;
        border-radius: 8px;
    }
    
    .portfolio-title {
        font-size: 24px;
        padding-bottom: 10px;
        margin-bottom: 20px;
    }
    
    .metal-prices {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .metal-price {
        padding: 12px;
    }
    
    .metal-name {
        font-size: 16px;
        margin-bottom: 3px;
    }
    
    .price-value {
        font-size: 18px;
    }
    
    .metal-icon {
        width: 32px;
        height: 32px;
        margin-right: 8px;
    }
    
    .portfolio-summary {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    
    .summary-item {
        padding: 15px;
    }
    
    .summary-label {
        font-size: 12px;
        margin-bottom: 5px;
    }
    
    .summary-value {
        font-size: 20px;
    }
    
    .portfolio-controls {
        flex-direction: column;
        gap: 15px;
        margin-bottom: 15px;
    }
    
    .main-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .add-item-btn, 
    .download-btn, 
    .reset-btn {
        width: 100%;
        justify-content: center;
        padding: 10px 15px;
        font-size: 14px;
    }
    
    .item-filter-controls {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
        padding: 12px;
    }
    
    .filter-item {
        width: 100%;
    }
    
    .filter-item select {
        flex-grow: 1;
    }
    
    .portfolio-table th,
    .portfolio-table td {
        padding: 10px 8px;
        font-size: 13px;
    }
    
    .add-item-form {
        padding: 15px;
    }
    
    .add-item-form h3 {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .form-row {
        margin-bottom: 12px;
    }
    
    .form-row label {
        margin-bottom: 3px;
        font-size: 14px;
    }
    
    .input-container input,
    .input-container select {
        padding: 8px 10px;
        font-size: 14px;
    }
    
    .form-buttons {
        margin-top: 15px;
        flex-direction: row;
        width: 100%;
    }
    
    .save-btn,
    .cancel-btn {
        padding: 12px 15px;
        font-size: 14px;
        flex: 1;
    }
    
    canvas {
        height: 250px !important;
    }
    
    .refresh-all-prices-btn {
        position: relative;
        top: auto;
        right: auto;
        width: 100%;
        justify-content: center;
        margin-top: 10px;
        margin-bottom: 5px;
    }
}

@media (max-width: 480px) {
    .precious-metals-portfolio-tracker {
        padding: 12px;
        margin: 10px auto;
    }
    
    .portfolio-title {
        font-size: 20px;
    }
    
    .metal-prices {
        grid-template-columns: 1fr;
    }
    
    .portfolio-summary {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .summary-item {
        padding: 12px;
    }
    
    .main-controls {
        flex-direction: column;
        gap: 8px;
    }
    
    .add-item-btn, 
    .download-btn, 
    .reset-btn {
        margin-bottom: 5px;
        padding: 8px 12px;
    }
    
    .portfolio-table th {
        font-size: 12px;
        padding: 8px 5px;
    }
    
    .portfolio-table td {
        font-size: 12px;
        padding: 8px 5px;
    }
    
    .portfolio-table .metal-badge {
        padding: 3px 6px;
        font-size: 11px;
    }
    
    .portfolio-table .action-btn {
        padding: 3px;
    }
    
    .add-item-form {
        padding: 12px 10px;
    }
    
    .add-item-form h3 {
        font-size: 16px;
        margin-bottom: 12px;
        padding-bottom: 8px;
    }
    
    .form-row {
        margin-bottom: 10px;
    }
    
    .form-row label {
        font-size: 13px;
        margin-bottom: 2px;
    }
    
    .input-container input,
    .input-container select {
        padding: 8px;
        font-size: 13px;
    }
    
    .save-btn,
    .cancel-btn {
        padding: 10px;
        font-size: 14px;
    }
    
    canvas {
        height: 220px !important;
    }
}