/* Node Comparison Page Styles */

/* Selection Section */
.selection-section {
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow);
    padding: 25px;
    margin-bottom: 20px;
}

.selection-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.selection-header h2 {
    color: var(--text-primary);
    font-size: 1.3em;
    margin: 0;
}

.btn-clear {
    padding: 8px 16px;
    background: var(--stat-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-clear:hover {
    background: #ef4444;
    color: white;
    border-color: #ef4444;
}

/* Node Selector */
.node-selector {
    margin-bottom: 25px;
}

.search-box {
    margin-bottom: 15px;
}

.search-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--stat-bg);
    color: var(--text-primary);
    font-size: 1em;
    font-family: inherit;
    transition: all 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Node Grid */
.node-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px;
    max-height: 400px;
    overflow-y: auto;
    padding: 10px;
}

.node-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: var(--stat-bg);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.node-card:hover:not(.disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.node-card.selected {
    border-color: var(--accent-color);
    background: rgba(102, 126, 234, 0.1);
}

.node-card.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.node-card-icon {
    font-size: 2.5em;
    flex-shrink: 0;
}

.node-card-info {
    flex: 1;
    min-width: 0;
}

.node-card-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.node-card-detail {
    font-size: 0.85em;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.node-card-health {
    display: flex;
    align-items: center;
    gap: 8px;
}

.health-bar {
    flex: 1;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.health-fill {
    height: 100%;
    transition: width 0.3s ease;
}

.health-value {
    font-size: 0.85em;
    font-weight: 600;
    color: var(--text-secondary);
}

.selected-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* Selected Nodes */
.selected-nodes {
    margin-bottom: 20px;
}

.selected-header {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-size: 1.1em;
}

.selected-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    min-height: 60px;
    padding: 15px;
    background: var(--stat-bg);
    border-radius: 10px;
}

.no-selection {
    color: var(--text-secondary);
    font-style: italic;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.selected-node-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--card-bg);
    border: 2px solid var(--accent-color);
    border-radius: 20px;
    color: var(--text-primary);
    font-weight: 500;
}

.chip-icon {
    font-size: 1.2em;
}

.chip-name {
    font-size: 0.9em;
}

.chip-remove {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5em;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.chip-remove:hover {
    color: #ef4444;
}

/* Compare Button */
.btn-compare {
    width: 100%;
    padding: 15px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-compare:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
}

.btn-compare:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Comparison Section */
.comparison-section {
    animation: fadeIn 0.3s ease-in;
}

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

.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow);
}

.comparison-header h2 {
    color: var(--text-primary);
    font-size: 1.5em;
    margin: 0;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-secondary {
    padding: 10px 20px;
    background: var(--stat-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* Overview Cards */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.node-overview-card {
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow);
    padding: 20px;
}

.node-overview-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.node-overview-icon {
    font-size: 3em;
}

.node-overview-name {
    font-size: 1.2em;
    font-weight: 600;
    color: var(--text-primary);
}

.node-overview-subtitle {
    font-size: 0.9em;
    color: var(--text-secondary);
    margin-top: 4px;
}

.node-overview-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.overview-stat {
    text-align: center;
}

.overview-stat-value {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--accent-color);
}

.overview-stat-label {
    font-size: 0.75em;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Stats Comparison */
.stats-comparison {
    display: grid;
    gap: 20px;
    margin-bottom: 25px;
}

.stats-table-card {
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow);
    padding: 20px;
}

.stats-table-card h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.2em;
}

.stats-table-wrapper {
    overflow-x: auto;
}

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

.comparison-table thead {
    background: var(--stat-bg);
}

.comparison-table th,
.comparison-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-table td {
    color: var(--text-secondary);
}

.comparison-table .metric-label {
    font-weight: 500;
    color: var(--text-primary);
}

.comparison-table td.highlight {
    background: rgba(102, 126, 234, 0.1);
    color: var(--accent-color);
    font-weight: 600;
}

/* Chart Comparison */
.chart-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.chart-card {
    background: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow);
    padding: 20px;
}

.chart-card h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.2em;
}

.chart-container {
    position: relative;
    height: 300px;
}

/* Loading and Error States */
.loading,
.error,
.no-nodes {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-secondary);
    font-size: 1.1em;
}

.error {
    color: #ef4444;
}

/* Mobile-First Responsive Design */

/* Small mobile devices (portrait phones) */
@media (max-width: 480px) {
    .selection-section {
        padding: 15px;
        border-radius: 10px;
    }

    .selection-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .selection-header h2 {
        font-size: 1.1em;
    }

    .btn-clear {
        width: 100%;
        padding: 10px;
    }

    .node-grid {
        grid-template-columns: 1fr;
        gap: 10px;
        max-height: 300px;
    }

    .node-card {
        padding: 12px;
    }

    .node-card-icon {
        font-size: 2em;
    }

    .selected-list {
        min-height: 50px;
        padding: 10px;
    }

    .selected-node-chip {
        padding: 6px 10px;
        font-size: 0.85em;
    }

    .btn-compare {
        padding: 12px;
        font-size: 1em;
    }

    .comparison-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .comparison-header h2 {
        font-size: 1.2em;
    }

    .btn-secondary {
        width: 100%;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .node-overview-card {
        padding: 15px;
    }

    .node-overview-icon {
        font-size: 2em;
    }

    .node-overview-name {
        font-size: 1em;
    }

    .overview-stat-value {
        font-size: 1.2em;
    }

    .stats-table-card {
        padding: 15px;
    }

    .stats-table-card h3 {
        font-size: 1.05em;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 8px;
        font-size: 0.85em;
    }

    .chart-comparison {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .chart-card {
        padding: 15px;
    }

    .chart-container {
        height: 250px;
    }
}

/* Medium mobile devices (landscape phones, small tablets) */
@media (min-width: 481px) and (max-width: 768px) {
    .selection-section {
        padding: 20px;
    }

    .node-grid {
        grid-template-columns: repeat(2, 1fr);
        max-height: 350px;
    }

    .comparison-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .chart-comparison {
        grid-template-columns: 1fr;
    }

    .chart-container {
        height: 280px;
    }
}

/* Tablets */
@media (min-width: 769px) and (max-width: 1024px) {
    .node-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .comparison-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn-clear,
    .btn-compare,
    .btn-secondary,
    .chip-remove {
        min-height: 44px;
        min-width: 44px;
    }

    .node-card:hover {
        transform: none;
    }

    .node-card:active:not(.disabled) {
        transform: scale(0.98);
    }

    .btn-compare:hover {
        transform: none;
    }

    .btn-compare:active:not(:disabled) {
        transform: scale(0.98);
    }

    .btn-secondary:hover {
        background: var(--stat-bg);
        color: var(--text-primary);
        border-color: var(--border-color);
    }

    .btn-secondary:active {
        transform: scale(0.98);
        background: var(--accent-color);
        color: white;
        border-color: var(--accent-color);
    }
}