/**
 * ST Gold Chart - Frontend Styles
 * Modern, sleek design with blue theme
 */

/* Container */
.st-gold-chart-container {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 32px;
    margin: 32px 0;
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.st-gold-chart-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #2888bf 0%, #1a6da0 100%);
}

.st-gold-chart-container:hover {
    box-shadow: 
        0 15px 50px rgba(0, 0, 0, 0.12),
        0 4px 12px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .st-gold-chart-container {
        background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
        box-shadow: 
            0 10px 40px rgba(0, 0, 0, 0.5),
            0 2px 8px rgba(0, 0, 0, 0.3);
    }
    
    .st-gold-chart-container:hover {
        box-shadow: 
            0 15px 50px rgba(0, 0, 0, 0.6),
            0 4px 12px rgba(0, 0, 0, 0.4);
    }
}

/* Title */
.st-gold-chart-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0 0 24px 0;
    padding: 0;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

@media (prefers-color-scheme: dark) {
    .st-gold-chart-title {
        color: #ffffff;
    }
}

/* Filters */
.st-gold-chart-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
    padding: 20px;
    background: rgba(40, 136, 191, 0.04);
    border: 1px solid rgba(40, 136, 191, 0.1);
}

@media (prefers-color-scheme: dark) {
    .st-gold-chart-filters {
        background: rgba(40, 136, 191, 0.08);
        border-color: rgba(40, 136, 191, 0.2);
    }
}

.st-filter-group {
    display: flex;
    flex-direction: column;
}

.st-filter-group label {
    font-size: 13px;
    font-weight: 600;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

@media (prefers-color-scheme: dark) {
    .st-filter-group label {
        color: #b0b0b0;
    }
}

.st-filter-select {
    appearance: none;
    background: #ffffff;
    border: 2px solid #e0e0e0;
    padding-right: .75em;
    padding-left: .75em;
    font-size: 15px;
    font-weight: 500;
    color: #333;
    cursor: pointer;
    transition: all 0.2s ease;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%232888bf' d='M4 6l4 4 4-4z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
}

.st-filter-select:hover {
    border-color: #2888bf;
    background-color: #f8fbff;
}

.st-filter-select:focus {
    outline: none;
    border-color: #2888bf;
    box-shadow: 0 0 0 3px rgba(40, 136, 191, 0.1);
}

@media (prefers-color-scheme: dark) {
    .st-filter-select {
        background-color: #2d2d2d;
        border-color: #444;
        color: #e0e0e0;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%232888bf' d='M4 6l4 4 4-4z'/%3E%3C/svg%3E");
    }
    
    .st-filter-select:hover {
        border-color: #2888bf;
        background-color: #353535;
    }
}

/* Chart Wrapper */
.st-gold-chart-wrapper {
    position: relative;
    width: 100%;
    background: #ffffff;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.02);
}

@media (prefers-color-scheme: dark) {
    .st-gold-chart-wrapper {
        background: #242424;
        box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
    }
}

.st-gold-chart-wrapper canvas {
    max-width: 100%;
    height: 100% !important;
}

/* Loading State */
.st-gold-chart-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
}

.st-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(40, 136, 191, 0.15);
    border-radius: 50%;
    border-top-color: #2888bf;
    animation: st-spin 0.8s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    margin: 0 auto 16px;
}

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

.st-gold-chart-loading p {
    font-size: 15px;
    color: #666;
    margin: 0;
    font-weight: 500;
}

@media (prefers-color-scheme: dark) {
    .st-gold-chart-loading p {
        color: #aaa;
    }
}

/* Error State */
.st-gold-chart-error {
    padding: 24px;
    background: linear-gradient(135deg, #fff5f5 0%, #fee 100%);
    border: 2px solid #ffcdd2;
    text-align: center;
}

.st-gold-chart-error p {
    color: #c62828;
    margin: 0;
    font-size: 15px;
    font-weight: 500;
}

@media (prefers-color-scheme: dark) {
    .st-gold-chart-error {
        background: linear-gradient(135deg, #3d1f1f 0%, #4d2626 100%);
        border-color: #5d3737;
    }
    
    .st-gold-chart-error p {
        color: #ef5350;
    }
}

/* Controls */
.st-gold-chart-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.st-zoom-buttons {
    display: flex;
    gap: 8px;
}

.st-chart-zoom-in,
.st-chart-zoom-out,
.st-chart-reset-zoom {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #2888bf 0%, #1a6da0 100%);
    color: #ffffff;
    border: none;
    padding: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(40, 136, 191, 0.25);
    min-width: 40px;
    min-height: 40px;
}

.st-chart-zoom-in:hover,
.st-chart-zoom-out:hover,
.st-chart-reset-zoom:hover {
    background: linear-gradient(135deg, #1a6da0 0%, #0f5277 100%);
    box-shadow: 0 6px 16px rgba(40, 136, 191, 0.35);
    transform: translateY(-1px);
}

.st-chart-zoom-in:active,
.st-chart-zoom-out:active,
.st-chart-reset-zoom:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(40, 136, 191, 0.3);
}

.st-chart-zoom-in svg,
.st-chart-zoom-out svg,
.st-chart-reset-zoom svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Chart Info (removed - replaced by filters) */
.st-gold-chart-info {
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .st-gold-chart-container {
        padding: 24px;
        margin: 24px 0;
    }
    
    .st-gold-chart-title {
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    .st-gold-chart-filters {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 12px;
        padding: 16px;
    }
    
    .st-filter-select {
        padding: 9px 32px 9px 12px;
        font-size: 14px;
    }
    
    .st-gold-chart-wrapper {
        padding: 16px;
    }
    
    .st-chart-reset-zoom {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .st-gold-chart-controls {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .st-gold-chart-container {
        padding: 20px;
    }
    
    .st-gold-chart-filters {
        grid-template-columns: 1fr;
    }
}

/* Animation */
@keyframes st-fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.st-gold-chart-container {
    animation: st-fadeIn 0.4s ease-out;
}

/* Custom Scrollbar for Selects */
.st-filter-select::-webkit-scrollbar {
    width: 8px;
}

.st-filter-select::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.st-filter-select::-webkit-scrollbar-thumb {
    background: #2888bf;
}

.st-filter-select::-webkit-scrollbar-thumb:hover {
    background: #1a6da0;
}