:root {
    /* Main Theme - Dark (Default) */
    --primary-bg: #0f172a;
    --secondary-bg: #1e293b;
    --card-bg: #1e293b;
    --accent-color: #f7931a;
    --text-color: #e2e8f0;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --highlight-bg: #334155;

    /* Caravan-X Colors */
    --caravan-blue: #0074d9;
    --caravan-yellow: #ffd700;
    --caravan-dark: #001f3f;

    /* Functional Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;

    /* Animation */
    --transition-speed: 0.3s;
}

.light-theme {
    --primary-bg: #f8fafc;
    --secondary-bg: #e2e8f0;
    --card-bg: #ffffff;
    --accent-color: #f97316;
    --text-color: #1e293b;
    --text-secondary: #64748b;
    --border-color: #cbd5e1;
    --highlight-bg: #f1f5f9;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Inter", sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition:
        background-color var(--transition-speed),
        color var(--transition-speed);
}

/* Header Styles */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color var(--transition-speed);
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-family: "VT323", monospace;
    font-size: 2rem;
    font-weight: bold;
    color: var(--caravan-blue);
    letter-spacing: 1px;
    margin: 0;
}

.x-highlight {
    color: var(--caravan-yellow);
}

.subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transition: background-color var(--transition-speed);
}

.status-indicator.connected {
    background-color: var(--success-color);
}

.status-indicator.disconnected {
    background-color: var(--error-color);
}

/* Dashboard Layout */
.dashboard {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: auto;
    gap: 1.25rem;
    padding: 1.25rem;
    max-width: 1920px;
    margin: 0 auto;
    width: 100%;
}

.dashboard-section {
    background-color: transparent;
    transition: background-color var(--transition-speed);
}

.stats-section {
    grid-column: span 12;
}

.main-content {
    grid-column: span 12;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.blocks-section {
    grid-column: span 1;
}

.mempool-section {
    grid-column: span 1;
}

.network-section {
    grid-column: span 8;
}

.details-section {
    grid-column: span 4;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

/* Card Styles */
.card {
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition:
        all 0.3s ease,
        background-color var(--transition-speed);
    border: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    transition: border-color var(--transition-speed);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.card-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.card-content {
    flex: 1;
    padding: 1.25rem 1.5rem;
    overflow-y: auto;
    position: relative;
}

/* Stats Container */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.stat-card {
    background-color: var(--highlight-bg);
    border-radius: 0.75rem;
    padding: 1.25rem;
    text-align: center;
    transition:
        background-color var(--transition-speed),
        transform 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.stat-card:hover {
    transform: translateY(-3px);
}

.stat-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.25rem;
    font-family: "Roboto Mono", monospace;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Block and Transaction Styles */
.blocks-container,
.mempool-container {
    margin-top: 1rem;
    max-height: 400px;
    overflow-y: auto;
}

.block {
    display: flex;
    flex-direction: column;
    background-color: var(--highlight-bg);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition:
        all 0.3s ease,
        background-color var(--transition-speed);
    border-left: 4px solid var(--caravan-blue);
    position: relative;
    overflow: hidden;
}

.block:hover {
    background-color: var(--border-color);
    transform: translateX(5px);
}

.block-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.block-height {
    color: var(--caravan-yellow);
    font-family: "Roboto Mono", monospace;
}

.block-details {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.transaction {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    background-color: var(--highlight-bg);
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition:
        background-color 0.2s,
        transform 0.2s;
    border-left: 4px solid var(--caravan-blue);
}

.transaction:hover {
    background-color: var(--border-color);
    transform: translateX(5px);
}

.transaction .txid {
    font-family: "Roboto Mono", monospace;
    color: var(--caravan-yellow);
    font-size: 0.875rem;
}

/* Button Styles */
.action-button,
button {
    background-color: var(--caravan-blue);
    border: none;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-family: "Inter", sans-serif;
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    transition:
        background-color 0.2s,
        transform 0.2s;
}

.action-button:hover,
button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.action-button.secondary {
    background-color: var(--highlight-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.action-button.secondary:hover {
    background-color: var(--border-color);
}

.network-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 50%;
}

/* Select Dropdown */
.select-dropdown {
    background-color: var(--highlight-bg);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-family: "Inter", sans-serif;
    font-size: 0.875rem;
    cursor: pointer;
    transition:
        border-color 0.2s,
        background-color var(--transition-speed);
}

.select-dropdown:hover {
    border-color: var(--accent-color);
}

/* Visualization Containers */
.visualization-container {
    height: 200px;
    margin-bottom: 1rem;
    position: relative;
}

.network-container {
    height: 450px;
    position: relative;
}

.network-controls {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 10;
    display: flex;
    gap: 0.5rem;
}

.network-legend {
    position: absolute;
    bottom: 0.5rem;
    left: 0.5rem;
    background-color: var(--card-bg);
    padding: 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    z-index: 10;
    border: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.25rem;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

/* Tooltip */
.tooltip {
    position: absolute;
    padding: 0.75rem;
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 1000;
    max-width: 300px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    font-size: 0.875rem;
}

/* Mining Activity Panel */
.mining-activity {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    max-width: 400px;
    border: 1px solid var(--caravan-blue);
    transition: background-color var(--transition-speed);
    width: 350px;
    overflow: hidden;
}

.mining-activity-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.mining-activity-header h3 {
    margin: 0;
    font-size: 1rem;
    color: var(--caravan-yellow);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mining-activity-content {
    max-height: 250px;
    overflow-y: auto;
    padding: 0.5rem;
}

.mining-logs {
    font-family: "Roboto Mono", monospace;
    font-size: 0.75rem;
}

.mining-log {
    margin-bottom: 0.375rem;
    padding: 0.375rem 0.5rem;
    border-radius: 0.25rem;
    background-color: var(--highlight-bg);
    transition: background-color var(--transition-speed);
}

/* Details Section */
#transactionDetails {
    font-size: 0.875rem;
}

.empty-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-secondary);
    text-align: center;
}

.empty-details i {
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.details-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.details-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.details-section {
    margin-bottom: 1rem;
}

.details-section h4 {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--caravan-blue);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.375rem 0;
    border-bottom: 1px dashed var(--border-color);
}

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

.detail-value {
    max-width: 60%;
    word-break: break-all;
    text-align: right;
}

.code {
    font-family: "Roboto Mono", monospace;
    background-color: var(--primary-bg);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

/* Theme Toggle and View Options */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: var(--highlight-bg);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: background-color var(--transition-speed);
    border: 1px solid var(--border-color);
}

.view-options {
    position: fixed;
    top: 70px;
    right: 20px;
    background-color: var(--card-bg);
    border-radius: 0.75rem;
    padding: 0.75rem;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-speed);
}

.view-button {
    background-color: var(--highlight-bg);
    color: var(--text-color);
    border: none;
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
    font-family: "Inter", sans-serif;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.view-button:hover {
    background-color: var(--border-color);
}

/* Loading Indicator */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    padding: 2rem 0;
}

.spinner {
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top: 3px solid var(--caravan-blue);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

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

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

.new-transaction {
    animation: fadeIn 0.5s ease-out;
    border-left: 4px solid var(--caravan-yellow);
}

@keyframes blockFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.new-block {
    animation: blockFadeIn 0.8s ease-out;
    border-left: 4px solid var(--caravan-yellow);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 116, 217, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 116, 217, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 116, 217, 0);
    }
}

.mining-active {
    animation: pulse 1.5s infinite;
    background-color: var(--caravan-blue);
}

/* Footer */
.main-footer {
    background-color: var(--secondary-bg);
    color: var(--text-secondary);
    padding: 1rem 2rem;
    font-size: 0.875rem;
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-speed);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--caravan-blue);
}

/* Pixel Art Touch */
.logo-icon {
    image-rendering: pixelated;
}

/* Responsive design */
@media (max-width: 1280px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .network-section {
        grid-column: span 12;
    }

    .details-section {
        grid-column: span 12;
    }
}

@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: 1fr;
        padding: 0.75rem;
    }

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

    .main-header {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .theme-toggle,
    .view-options {
        display: none;
    }

    .mining-activity {
        width: calc(100% - 2rem);
        max-width: none;
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .card-actions {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .stats-container {
        grid-template-columns: 1fr;
    }

    .main-footer {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .detail-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .detail-value {
        max-width: 100%;
        text-align: left;
        margin-top: 0.25rem;
    }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--primary-bg);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--caravan-blue);
}

/* Light theme specific adjustments */
.light-theme .mining-active {
    animation: light-pulse 1.5s infinite;
}

@keyframes light-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 116, 217, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 116, 217, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 116, 217, 0);
    }
}

.light-theme .logo-text {
    color: var(--caravan-blue);
}

.light-theme .block {
    border-left: 4px solid var(--caravan-blue);
}

.light-theme .transaction {
    border-left: 4px solid var(--caravan-blue);
}

.light-theme .spinner {
    border-top-color: var(--caravan-blue);
}

.light-theme .new-block,
.light-theme .new-transaction {
    border-left: 4px solid var(--caravan-yellow);
}