/* Satoshi (display) + Geist Mono — matching Tempo explorer */
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@300,400,500,700,900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Geist+Mono:wght@100..900&display=swap');

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

:root {
    /* Exact Tempo explorer tokens */
    --bg-primary:    #191919;
    --bg-secondary:  #1a1a1a;
    --bg-tertiary:   #222222;
    --bg-hover:      #1c1c1c;
    --border-color:  #232323;
    --text-primary:  #ffffff;
    --text-secondary:#a0a0a0;
    --text-muted:    #6e6e6e;
    --accent-blue:   #60a5fa;
    --accent-green:  #22c55e;
    --accent-orange: #fb923c;
    --accent-red:    #ef4444;
    --accent-gray:   #9ca3af;
    --accent-purple: #c084fc;
    --accent-cyan:   #22d3ee;
    --accent-yellow: #e8c97a;
    --font-display:  "Satoshi", ui-sans-serif, -apple-system, sans-serif;
    --font-mono:     "Geist Mono", "IBM Plex Mono", ui-monospace, monospace;
}

body {
    font-family: var(--font-display);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.simulation-id {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

/* Tenderly-style Header */
.tenderly-header {
    margin-bottom: 1.5rem;
}

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

.tenderly-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tenderly-sim-label {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.tenderly-sim-id {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.tenderly-network {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.chain-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
}

/* Tenderly-style Summary Card */
.tenderly-summary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

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

.summary-left, .summary-right {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.summary-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.summary-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    min-width: 110px;
    flex-shrink: 0;
    padding-top: 0.125rem;
}

.summary-value {
    font-size: 0.875rem;
    color: var(--text-primary);
    word-break: break-all;
}

.summary-value.mono {
    font-family: var(--font-mono);
}

.summary-value.address {
    font-family: var(--font-mono);
    color: var(--accent-blue);
}

.summary-value.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 200px;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-badge.success {
    background: rgba(74, 222, 128, 0.15);
    color: var(--accent-green);
}

.status-badge.failed {
    background: rgba(248, 113, 113, 0.15);
    color: var(--accent-red);
}

/* Function Call Display */
.function-row {
    flex-direction: column;
    gap: 0.5rem;
}

.function-call {
    background: var(--bg-tertiary);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    overflow-x: auto;
}

.function-name {
    color: var(--accent-purple);
    font-weight: 500;
}

.function-params {
    color: var(--text-secondary);
}

.function-params .param {
    display: inline;
}

.function-params .param-name {
    color: var(--accent-orange);
}

.function-params .param-value {
    color: var(--text-primary);
}

/* Revert Section */
.revert-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.revert-label {
    font-size: 0.75rem;
    color: var(--accent-red);
    font-weight: 600;
    text-transform: uppercase;
}

.revert-message {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent-red);
    background: rgba(248, 113, 113, 0.1);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    border-left: 3px solid var(--accent-red);
}

/* Balance Changes Banner */
.balance-changes {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
}

.balance-changes-header {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.balance-changes-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-cyan);
}

.balance-changes-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.balance-changes-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.balance-change-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-tertiary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: border-color 0.15s ease;
}

.balance-change-item:hover {
    border-color: var(--text-muted);
}

.balance-change-icon-wrapper {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.balance-change-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
}

.token-logo {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.token-logo-fallback {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
}

.balance-change-info {
    flex: 1;
    min-width: 0;
}

.balance-change-token {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

.balance-change-address {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    cursor: help;
}

.balance-change-amount-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
}

.balance-change-direction {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
}

.balance-change-direction.positive {
    background: rgba(74, 222, 128, 0.15);
    color: var(--accent-green);
}

.balance-change-direction.negative {
    background: rgba(248, 113, 113, 0.15);
    color: var(--accent-red);
}

.balance-change-amount {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1rem;
}

.balance-change-amount.positive {
    color: var(--accent-green);
}

.balance-change-amount.negative {
    color: var(--accent-red);
}

/* Responsive balance changes */
@media (max-width: 600px) {
    .balance-change-item {
        padding: 0.875rem 1rem;
    }

    .balance-change-icon-wrapper,
    .balance-change-icon,
    .token-logo,
    .token-logo-fallback {
        width: 32px;
        height: 32px;
    }

    .balance-change-token {
        font-size: 0.875rem;
    }

    .balance-change-amount {
        font-size: 0.875rem;
    }
}

/* Simulation Meta */
.simulation-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.meta-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem 1.25rem;
}

.meta-label {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.375rem;
}

.meta-value {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-primary);
    word-break: break-all;
}

.meta-value.success {
    color: var(--accent-green);
}

.meta-value.failed {
    color: var(--accent-red);
}

/* Transaction Overview */
.tx-overview {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
}

.tx-overview-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.tx-overview-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tx-overview-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.tx-overview-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    min-width: 80px;
    flex-shrink: 0;
}

.tx-overview-value {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-primary);
    word-break: break-all;
}

.tx-overview-value.address {
    color: var(--accent-cyan);
}

.tx-overview-value.mono {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.tx-overview-row .copy-icon {
    opacity: 0.5;
}

.tx-overview-row:hover .copy-icon {
    opacity: 1;
}

/* Trace Output */
.trace-output {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

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

.trace-header h2 {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.trace-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    font-family: var(--font-display);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
}

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

/* Trace Tree */
.trace-tree {
    padding: 0.5rem 0;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    overflow-x: auto;
}

/* Revert Banner */
.revert-banner {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, rgba(248, 113, 113, 0.08), rgba(248, 113, 113, 0.04));
    border: 1px solid rgba(248, 113, 113, 0.3);
    border-radius: 12px;
    border-left: 4px solid var(--accent-red);
}

.revert-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.revert-content {
    flex: 1;
}

.revert-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-red);
    margin-bottom: 0.375rem;
}

.revert-reason {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    font-family: var(--font-mono);
    word-break: break-word;
}

.revert-location {
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.revert-contract {
    color: var(--accent-cyan);
    cursor: default;
}

.revert-debug-btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-display);
    background: var(--accent-red);
    color: var(--bg-primary);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.revert-debug-btn:hover {
    background: #ef4444;
    box-shadow: 0 0 12px rgba(248, 113, 113, 0.4);
    transform: translateY(-1px);
}

/* Call Nodes */
.call-node {
    position: relative;
}

.call-row {
    display: flex;
    align-items: stretch;
    min-height: 40px;
    cursor: pointer;
    transition: background-color 0.1s ease;
    white-space: nowrap;
}

.call-row:hover {
    background: var(--bg-hover);
}

.call-indent {
    display: flex;
    flex-shrink: 0;
}

.indent-guide {
    width: 24px;
    position: relative;
}

.indent-guide::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border-color);
}

.indent-guide.last::before {
    bottom: 50%;
}

.indent-guide.empty::before {
    display: none;
}

.call-toggle {
    width: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
}

.call-toggle::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 0;
    height: 50%;
    width: 1px;
    background: var(--border-color);
}

.call-toggle::after {
    content: '';
    position: absolute;
    left: 11px;
    top: 50%;
    width: 12px;
    height: 1px;
    background: var(--border-color);
}

.call-toggle.root::before {
    display: none;
}

.toggle-btn {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 10px;
    z-index: 1;
    cursor: pointer;
    transition: all 0.15s ease;
}

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

.call-toggle.no-children .toggle-btn {
    visibility: hidden;
}

.call-content {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 1rem 0.5rem 0.5rem;
    flex: 1;
}

.call-type {
    padding: 0.1875rem 0.5rem;
    font-size: 0.625rem;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    flex-shrink: 0;
}

.call-type.CALL {
    background: rgba(77, 166, 255, 0.15);
    color: var(--accent-blue);
}

.call-type.STATICCALL {
    background: rgba(156, 163, 175, 0.15);
    color: var(--accent-gray);
}

.call-type.DELEGATECALL {
    background: rgba(251, 146, 60, 0.15);
    color: var(--accent-orange);
}

.call-type.CALLCODE {
    background: rgba(192, 132, 252, 0.15);
    color: var(--accent-purple);
}

.call-type.CREATE,
.call-type.CREATE2 {
    background: rgba(74, 222, 128, 0.15);
    color: var(--accent-green);
}

.call-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    flex: 1;
    min-width: 0;
}

.call-main {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    white-space: nowrap;
}

.contract-name {
    color: var(--accent-cyan);
    font-weight: 500;
}

/* Address type styling — visual hierarchy for resolved vs unresolved */
.contract-name .addr-link {
    text-decoration: none;
    font-weight: 500;
}

.contract-name .addr-link:hover {
    text-decoration: underline;
    opacity: 0.85;
}

/* System addresses: muted, italic — infrastructure, not user code */
.addr-type-system { font-style: italic; }
.addr-type-system .addr-link { color: var(--text-muted); }

/* Tokens: accent cyan — resolved, meaningful */
.addr-type-token .addr-link { color: var(--accent-cyan); }

/* Verified contracts: accent purple — resolved from source */
.addr-type-contract .addr-link { color: var(--accent-purple); }

/* Unresolved addresses: muted monospace — clearly unresolved */
.addr-type-address { font-family: var(--font-mono); font-size: 0.85em; }
.addr-type-address .addr-link { color: var(--text-secondary); }


.contract-address {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.function-name {
    color: var(--accent-purple);
    font-weight: 500;
}

.call-separator {
    color: var(--text-muted);
}

.call-params {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.param-name {
    color: var(--accent-orange);
}

.param-value {
    color: var(--text-secondary);
}

.param-value.address {
    color: var(--accent-blue);
}

.param-value.address.named {
    color: var(--accent-cyan);
}

.param-value.number {
    color: var(--accent-green);
}

.param-value.dynamic {
    color: var(--text-muted);
    font-style: italic;
}

.call-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: auto;
    padding-right: 0.5rem;
}

.call-gas {
    color: var(--text-muted);
}

.call-value {
    color: var(--accent-orange);
    font-weight: 500;
}

.call-error-badge {
    background: rgba(248, 113, 113, 0.15);
    color: var(--accent-red);
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
    font-size: 0.6875rem;
    font-weight: 500;
}

.call-children {
    position: relative;
}

.call-children.collapsed {
    display: none;
}

/* Copy Icon */
.copy-icon {
    display: inline-block;
    margin-left: 0.25rem;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8125rem;
    opacity: 0;
    transition: opacity 0.15s, color 0.15s;
    vertical-align: middle;
}

.call-row:hover .copy-icon {
    opacity: 0.5;
}

.copy-icon:hover {
    opacity: 1 !important;
    color: var(--accent-blue);
}

.copy-icon.copied {
    color: var(--accent-green);
    opacity: 1 !important;
}

/* Call Details */
.call-details {
    padding: 0.75rem 1.25rem;
    padding-left: calc(var(--indent-width, 0) * 24px + 56px);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

/* Decoded Inputs Table */
.decoded-inputs {
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.decoded-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-purple);
    margin-bottom: 0.625rem;
}

.decoded-table {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.decoded-row {
    display: grid;
    grid-template-columns: 80px 120px 1fr auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.375rem 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 0.75rem;
}

.decoded-name {
    color: var(--accent-orange);
    font-weight: 500;
}

.decoded-type {
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.decoded-value {
    color: var(--text-primary);
    font-family: var(--font-mono);
    word-break: break-all;
}

.decoded-value.address {
    color: var(--accent-blue);
}

.decoded-value .named {
    color: var(--accent-cyan);
    font-weight: 500;
}

.decoded-value .raw-address {
    color: var(--text-muted);
    font-size: 0.6875rem;
}

.decoded-value .formatted-number {
    color: var(--accent-green);
    font-weight: 500;
}

.decoded-value .raw-number {
    color: var(--text-muted);
    font-size: 0.6875rem;
}

.decoded-value .raw-value {
    color: var(--text-muted);
    font-size: 0.6875rem;
    margin-top: 0.25rem;
    word-break: break-all;
}

.calldata-wrapper {
    margin-bottom: 0.5rem;
}

.calldata-label {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-right: 0.5rem;
}

.calldata-value {
    font-size: 0.75rem;
    color: var(--text-secondary);
    word-break: break-all;
}

.return-data {
    margin-top: 0.375rem;
}

.return-label {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-right: 0.5rem;
}

.return-value {
    font-size: 0.75rem;
    color: var(--accent-green);
    word-break: break-all;
}

.error-message {
    margin-top: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: rgba(248, 113, 113, 0.1);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--accent-red);
}

/* Loading & Error States */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 1rem;
}

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

.error-container {
    text-align: center;
    padding: 3rem 2rem;
}

.error-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.error-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--accent-red);
    margin-bottom: 0.5rem;
}

.error-message-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

footer {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.75rem;
}

footer a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.15s;
}

footer a:hover {
    color: var(--accent-cyan);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .simulation-meta {
        grid-template-columns: 1fr 1fr;
    }

    .balance-changes-grid {
        grid-template-columns: 1fr;
    }

    .call-meta {
        display: none;
    }

    .trace-header {
        flex-direction: column;
        gap: 0.75rem;
        align-items: flex-start;
    }
}

/* Shimmer loading animation */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes pulse-glow {
    0%, 100% {
        opacity: 0.4;
    }
    50% {
        opacity: 1;
    }
}

.shimmer {
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 0%,
        var(--accent-cyan) 25%,
        var(--accent-blue) 50%,
        var(--accent-cyan) 75%,
        var(--bg-tertiary) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loading-placeholder {
    display: inline-block;
    min-width: 80px;
    height: 1em;
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 25%,
        rgba(77, 166, 255, 0.15) 50%,
        var(--bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.2s ease-in-out infinite;
    border-radius: 4px;
    vertical-align: middle;
}

.loading-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    margin: 0 2px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: pulse-glow 1s ease-in-out infinite;
}

.loading-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dot:nth-child(3) {
    animation-delay: 0.4s;
}

.loading-inline {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 0 4px;
}

/* Futuristic loading spinner */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 2px solid var(--bg-tertiary);
    border-top-color: var(--accent-cyan);
    border-right-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.3);
}

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

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 3rem;
    color: var(--text-secondary);
}

.loading-container > div:last-child {
    font-size: 0.875rem;
    animation: pulse-glow 2s ease-in-out infinite;
}

/* Debug mode button */
.toggle-btn-debug {
    background: transparent;
    border: 1px solid var(--accent-purple);
    color: var(--accent-purple);
    transition: all 0.2s ease;
}

.toggle-btn-debug:hover {
    background: rgba(192, 132, 252, 0.1);
}

.toggle-btn-debug.active {
    background: var(--accent-purple);
    color: var(--bg-primary);
    box-shadow: 0 0 12px rgba(192, 132, 252, 0.4);
}

/* Debug mode enhancements */
body.debug-mode .call-details {
    border-left: 2px solid var(--accent-purple);
    background: rgba(192, 132, 252, 0.03);
}

body.debug-mode .calldata-value,
body.debug-mode .return-value {
    word-break: break-all;
    font-size: 0.75rem;
    max-height: none;
    overflow: visible;
}

body.debug-mode .decoded-value {
    font-family: var(--font-mono);
}

/* Debugger button */
.debugger-btn {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
    border: none;
    color: var(--bg-primary);
    font-weight: 600;
    transition: all 0.2s ease;
}

.debugger-btn:hover {
    box-shadow: 0 0 16px rgba(192, 132, 252, 0.4);
    transform: translateY(-1px);
}

/* ─── Tempo chain specific styles ─────────────────────────────────────────── */

/* Chain header for Tempo */
.tempo-network {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, rgba(77,166,255,0.1), rgba(34,211,238,0.1));
    border: 1px solid rgba(77,166,255,0.3);
    border-radius: 8px;
    padding: 0.25rem 0.75rem;
}

.tempo-badge {
    font-weight: 600;
    color: var(--accent-cyan);
    font-size: 0.875rem;
}

/* Transaction type badges (Batch 0x76, Fee Sponsored) */
.tx-type-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 0.5rem;
}

.tx-type-badge.batch {
    background: rgba(77,166,255,0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(77,166,255,0.3);
}

.tx-type-badge.sponsored {
    background: rgba(34,211,238,0.15);
    color: var(--accent-cyan);
    border: 1px solid rgba(34,211,238,0.3);
}

/* TIP-20 call-type badge in trace */
.call-type.TIP20 {
    background: linear-gradient(135deg, rgba(77,166,255,0.2), rgba(34,211,238,0.2));
    color: var(--accent-cyan);
    border: 1px solid rgba(34,211,238,0.4);
    font-size: 0.65rem;
    letter-spacing: 0.05em;
}

/* TIP-20 token address highlight */
.tip20-token {
    color: var(--accent-cyan) !important;
}

.summary-value.tip20-token {
    color: var(--accent-cyan);
}

.explorer-link {
    display: inline-flex;
    align-items: center;
    margin-left: 6px;
    color: var(--accent-blue);
    font-size: 0.85rem;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.15s;
}
.explorer-link:hover {
    opacity: 1;
}

/* ─── Tempo Explorer-inspired TX Overview ──────────────────────────────────── */

.tx-overview {
    display: flex;
    gap: 2.5rem;
    padding: 1.75rem 2rem;
    align-items: flex-start;
}

.tx-overview-logo {
    flex-shrink: 0;
    padding-top: 0.25rem;
}

.tx-tempo-wordmark {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.12em;
    color: #e8c97a;
}

.tx-chain-name {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-secondary);
}

.tx-chain-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.tx-overview-fields {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.tx-field-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.875rem;
}

.tx-field-label {
    color: var(--text-muted);
    min-width: 72px;
    flex-shrink: 0;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.tx-field-value {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.tx-field-value.tx-field-link {
    color: var(--accent-blue);
}

.tx-actions-list {
    border-top: 1px solid var(--border-color);
    padding: 1.25rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tx-action-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.tx-action-num {
    color: var(--text-muted);
    font-size: 0.8rem;
    min-width: 1.5rem;
}

.tx-action-badge {
    background: rgba(59,130,246,0.15);
    color: #60a5fa;
    border: 1px solid rgba(59,130,246,0.3);
    border-radius: 6px;
    padding: 0.2rem 0.6rem;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: inherit;
}

.tx-action-target {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.tx-action-note {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Updated network badge for Tempo */
.tempo-wordmark {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: #e8c97a;
}

.tempo-network-name {
    color: var(--text-secondary);
    font-size: 0.8rem;
}