/* Spend Dashboard */

.spend-page {
    padding: 0 20px 20px;
}

/* Month navigation */
.spend-month-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.spend-month-nav .btn {
    min-width: 32px;
    padding: 5px 8px;
}

.spend-month-label {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    min-width: 100px;
    text-align: center;
}

/* Hero card */
.spend-hero {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    padding: 20px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(74, 163, 161, 0.08), rgba(219, 107, 58, 0.08));
    border: 1px solid var(--border-subtle);
    margin-bottom: 16px;
    align-items: center;
}

.spend-hero h2 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin: 0 0 4px;
    color: var(--text-primary);
}

.spend-hero-desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: 0;
}

.spend-hero-total {
    text-align: right;
}

.spend-hero-month-label {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-bottom: 2px;
}

.spend-hero-amount {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
}

.spend-hero-delta {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: 4px;
}

.spend-hero-delta.up {
    color: var(--accent-orange);
}

.spend-hero-delta.down {
    color: var(--accent-green);
}

/* KPI cards */
.spend-kpis {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.spend-kpi-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    padding: 14px;
}

.spend-kpi-label {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-weight: 500;
}

.spend-kpi-value {
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-top: 6px;
    color: var(--text-primary);
}

.spend-kpi-sub {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* Two-column grid */
.spend-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 16px;
    margin-bottom: 16px;
}

.spend-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 16px;
}

.spend-panel-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 12px;
}

/* Bar chart */
.spend-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.spend-bar-label {
    width: 120px;
    font-size: var(--text-sm);
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.spend-bar-track {
    flex: 1;
    height: 8px;
    background: var(--bg-elevated);
    border-radius: 999px;
    overflow: hidden;
}

.spend-bar-fill {
    height: 100%;
    border-radius: 999px;
    transition: width 0.3s ease;
}

.spend-bar-amount {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    min-width: 60px;
    text-align: right;
}

/* List items (models, agents) */
.spend-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--text-sm);
    padding: 7px 0;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}

.spend-list-item:last-child {
    border-bottom: none;
}

.spend-list-item .amount {
    font-weight: 500;
    color: var(--text-primary);
}

/* Sync button */
.spend-sync-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.spend-sync-btn.syncing svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Empty state */
.spend-empty {
    text-align: center;
    padding: 24px;
    color: var(--text-tertiary);
    font-size: var(--text-sm);
}

/* Loading skeleton */
.spend-loading {
    background: linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    height: 20px;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Responsive */
@media (max-width: 1100px) {
    .spend-kpis {
        grid-template-columns: repeat(2, 1fr);
    }
    .spend-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .spend-page {
        padding: 0 12px 16px;
    }
    .spend-hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .spend-hero-total {
        text-align: center;
    }
    .spend-kpis {
        grid-template-columns: repeat(2, 1fr);
    }
    .spend-bar-label {
        width: 80px;
        font-size: var(--text-xs);
    }
}

@media (max-width: 480px) {
    .spend-kpis {
        grid-template-columns: 1fr;
    }
    .spend-hero-amount {
        font-size: 26px;
    }
}

/* ── Infrastructure Panel ──────────────────────────────────────── */
.infra-panel {
    margin-bottom: 16px;
}

.spend-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.spend-panel-header .spend-panel-title {
    margin: 0;
}

/* ── Ephemeral Grid (Sheets-style table) ───────────────────────── */
.ephemeral-grid {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
}

.ephemeral-grid thead th {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    padding: 8px 10px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    position: sticky;
    top: 0;
    z-index: 1;
}

.ephemeral-grid thead th.row-header {
    width: 36px;
    text-align: center;
}

.ephemeral-grid tbody td {
    border: 1px solid var(--border-subtle);
    padding: 7px 10px;
    color: var(--text-secondary);
}

.ephemeral-grid tbody td.row-num {
    text-align: center;
    color: var(--text-tertiary);
    font-size: var(--text-xs);
    background: var(--bg-elevated);
    width: 36px;
}

.ephemeral-grid tbody tr:hover td {
    background: var(--bg-hover);
}

.ephemeral-grid-footer {
    padding: 10px 0 0;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.ephemeral-grid-footer strong {
    color: var(--text-primary);
}

/* ── Actor Presence Indicators ─────────────────────────────────── */
.actor-presence-container {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    min-height: 20px;
    margin-bottom: 4px;
}

.actor-presence {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    padding: 2px 10px;
    border-radius: 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    opacity: 1;
    transition: opacity 0.5s ease;
}

.actor-presence.fading {
    opacity: 0;
}

.actor-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: actor-pulse 1.5s ease-in-out infinite;
}

@keyframes actor-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.85); }
}

.actor-name {
    font-weight: 600;
    color: var(--text-primary);
}

.actor-action {
    color: var(--text-tertiary);
    font-style: italic;
}

/* ── Spend Chat Panel ──────────────────────────────────────────── */
.chat-panel {
    margin-bottom: 16px;
}

.spend-chat-messages {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 10px;
    padding: 4px 0;
}

.spend-chat-msg {
    margin-bottom: 10px;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: var(--text-sm);
}

.spend-chat-msg.user {
    background: rgba(74, 163, 161, 0.08);
    border: 1px solid rgba(74, 163, 161, 0.15);
}

.spend-chat-msg.assistant {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
}

.spend-chat-msg-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}

.spend-chat-role {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    color: var(--text-tertiary);
}

.spend-chat-time {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.spend-chat-msg-body {
    color: var(--text-secondary);
    line-height: 1.5;
}

.spend-chat-input-row {
    display: flex;
    gap: 8px;
}

.spend-chat-input-row .form-input {
    flex: 1;
}

.spend-chat-input-row .btn {
    white-space: nowrap;
}