/* ============================================================ */
/* TIMELINE HISTORY — Estilos del flujo de historial de instancia*/
/* ============================================================ */

.tl-page {
    --color-primary:        #2563eb;
    --color-primary-light:  #dbeafe;
    --color-primary-dark:   #1d4ed8;
    --color-amber:          #f59e0b;
    --color-amber-light:    #fef3c7;
    --color-amber-dark:     #b45309;
    --color-green:          #10b981;
    --color-green-light:    #d1fae5;
    --color-green-dark:     #065f46;
    --color-red:            #ef4444;
    --color-red-light:      #fee2e2;
    --color-red-dark:       #b91c1c;
    --color-cyan:           #06b6d4;
    --color-cyan-light:     #ecfeff;
    --color-cyan-dark:      #0e7490;
    --color-purple:         #8b5cf6;
    --color-purple-light:   #ede9fe;
    --color-purple-dark:    #6d28d9;
    --color-slate-dark:     #1e293b;
    --color-surface:        #ffffff;
    --color-bg:             #f8fafc;
    --color-border:         #e2e8f0;
    --color-text:           #0f172a;
    --color-text-secondary: #64748b;
    --color-text-muted:     #94a3b8;
    --radius-card:          12px;
    --radius-btn:           8px;
    --radius-pill:          999px;
    --shadow-card:          0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.03);
    --shadow-hover:         0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -4px rgba(0,0,0,0.03);

    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--color-text);
}

.tl-page .page-header {
    margin-bottom: 24px;
}

.tl-page .breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.tl-page .breadcrumb a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.15s;
}
.tl-page .breadcrumb a:hover {
    color: var(--color-primary);
}
.tl-page .breadcrumb .sep {
    color: var(--color-text-muted);
}
.tl-page .breadcrumb .current {
    color: var(--color-text);
}

.tl-page .badge-proposed {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    background: var(--color-primary-light);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.tl-page .page-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 12px;
}

.tl-page .page-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.02em;
    margin: 0;
}
.tl-page .page-subtitle {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
    max-width: 800px;
}

/* ── KPI ROW ───────────────────────────────────────────────── */
.tl-page .kpi-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}
.tl-page .kpi-card {
    background: var(--color-surface);
    border-radius: var(--radius-card);
    border: 1px solid var(--color-border);
    padding: 16px;
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    gap: 14px;
    position: relative;
}
.tl-page .kpi-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: 4px 0 0 4px;
}
.tl-page .kpi-card.green::before { background: var(--color-green); }
.tl-page .kpi-card.blue::before { background: var(--color-primary); }
.tl-page .kpi-card.amber::before { background: var(--color-amber); }

.tl-page .kpi-icon {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.tl-page .kpi-icon.green { background: var(--color-green-light); }
.tl-page .kpi-icon.blue { background: var(--color-primary-light); }
.tl-page .kpi-icon.amber { background: var(--color-amber-light); }

.tl-page .kpi-body {
    flex-grow: 1;
}
.tl-page .kpi-value {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1.1;
}
.tl-page .kpi-label {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

/* ── TIMELINE LAYOUT ────────────────────────────────────────── */
.timeline-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 24px;
    align-items: start;
}

/* TIMELINE ASIDE */
.timeline-aside {
    background: var(--color-surface);
    border-radius: var(--radius-card);
    border: 1px solid var(--color-border);
    padding: 20px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.instance-hero {
    background: var(--color-slate-dark);
    border-radius: 10px;
    padding: 14px 16px;
    color: #fff;
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);
}
.instance-hero-label {
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
}
.instance-hero-id {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.5px;
}
.instance-hero-status {
    font-size: 0.72rem;
    font-weight: 700;
    color: #a7f3d0;
    display: flex;
    align-items: center;
    margin-top: 4px;
}

.instance-product {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}
.instance-product-thumb {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: #f1f5f9;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}
.instance-product-info h4 {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--color-text);
    margin: 0;
    line-height: 1.3;
}
.instance-product-info .asin {
    font-size: 0.72rem;
    font-family: monospace;
    color: var(--color-primary);
    margin-top: 2px;
}
.instance-product-info .extras {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

.instance-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.instance-meta-cell {
    display: flex;
    justify-content: space-between;
    font-size: 0.78rem;
    padding: 4px 0;
    border-bottom: 1.5px dashed #f1f5f9;
}
.instance-meta-cell:last-child {
    border-bottom: none;
}
.instance-meta-cell .meta-label {
    color: var(--color-text-secondary);
}
.instance-meta-cell .meta-value {
    font-weight: 700;
    color: var(--color-text);
}
.instance-meta-cell .meta-value.sans {
    font-family: monospace;
}
.instance-meta-cell.highlight {
    background: #f8fafc;
    border-radius: 6px;
    padding: 8px 10px;
    flex-direction: column;
    gap: 4px;
    border-bottom: none;
}
.instance-meta-cell.highlight .meta-label {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* TIMELINE MAIN & PROGRESS */
.timeline-main {
    background: var(--color-surface);
    border-radius: var(--radius-card);
    border: 1px solid var(--color-border);
    padding: 24px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.timeline-header h3 {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--color-text);
    margin: 0;
}
.timeline-header p {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    margin: 4px 0 0;
}

/* PROGRESS STEPS BAR */
.tl-progress {
    display: flex;
    justify-content: space-between;
    position: relative;
    padding: 10px 0;
    margin-bottom: 10px;
}
.tl-progress::before {
    content: '';
    position: absolute;
    top: calc(10px + 12px);
    left: 4%;
    right: 4%;
    height: 3px;
    background: var(--color-border);
    z-index: 1;
}
.tl-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 2;
    flex: 1;
    text-align: center;
}
.tl-progress-dot {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 800;
    color: var(--color-text-muted);
    transition: all 0.25s ease;
}
.tl-progress-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--color-text-secondary);
}

.tl-progress-step.done .tl-progress-dot {
    border-color: var(--color-green);
    background: var(--color-green);
    color: #fff;
    font-size: 0.95rem;
    box-shadow: 0 0 0 4px var(--color-green-light);
}
.tl-progress-step.done .tl-progress-label {
    color: var(--color-green-dark);
}
.tl-progress-step.active .tl-progress-dot {
    border-color: var(--color-primary);
    background: #fff;
    color: var(--color-primary);
    font-size: 0.85rem;
    box-shadow: 0 0 0 4px var(--color-primary-light);
    animation: active-dot-pulse 2s infinite alternate;
}
.tl-progress-step.active .tl-progress-label {
    color: var(--color-primary-dark);
}
@keyframes active-dot-pulse {
    from { box-shadow: 0 0 0 2px var(--color-primary-light); }
    to { box-shadow: 0 0 0 6px var(--color-primary-light); }
}

/* EVENT LIST (TIMELINE) */
.timeline {
    position: relative;
    padding-left: 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.timeline::before {
    content: '';
    position: absolute;
    top: 6px;
    bottom: 6px;
    left: 8px;
    width: 3px;
    background: #e2e8f0;
}
.tl-event {
    position: relative;
}
.tl-event::before {
    content: '';
    position: absolute;
    left: calc(-28px + 3px);
    top: 14px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid #cbd5e1;
    z-index: 5;
}
.tl-event-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 14px 16px;
    box-shadow: var(--shadow-card);
    transition: transform 0.15s, box-shadow 0.15s;
    border-left: 4.5px solid #cbd5e1;
}
.tl-event-card:hover {
    transform: translateX(2px);
    box-shadow: var(--shadow-hover);
}

.tl-event-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}
.tl-event-title {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 6px;
}
.tl-event-title i {
    font-size: 1rem;
}
.tl-event-time {
    font-size: 0.72rem;
    color: var(--color-text-secondary);
    font-weight: 600;
}
.tl-event-desc {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1.45;
}
.tl-event-desc strong {
    color: var(--color-text);
    font-weight: 700;
}
.tl-event-desc code {
    font-family: monospace;
    background: #f1f5f9;
    padding: 2px 5px;
    border-radius: 4px;
    color: var(--color-primary-dark);
}

.tl-event-meta {
    margin-top: 10px;
    border-top: 1px solid #f1f5f9;
    padding-top: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
.tl-event-meta span {
    font-size: 0.72rem;
    color: var(--color-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.tl-event-meta span i {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Event categories color overrides */
.tl-event.green::before { border-color: var(--color-green); }
.tl-event.green .tl-event-card { border-left-color: var(--color-green); }

.tl-event.blue::before { border-color: var(--color-primary); }
.tl-event.blue .tl-event-card { border-left-color: var(--color-primary); }

.tl-event.teal::before { border-color: var(--color-cyan); }
.tl-event.teal .tl-event-card { border-left-color: var(--color-cyan); }

.tl-event.purple::before { border-color: var(--color-purple); }
.tl-event.purple .tl-event-card { border-left-color: var(--color-purple); }

.tl-event.orange::before { border-color: var(--color-amber); }
.tl-event.orange .tl-event-card { border-left-color: var(--color-amber); }

/* Future events styles */
.tl-event.future::before {
    border-color: var(--color-border);
    background: #f8fafc;
}
.tl-event.future .tl-event-card {
    background: #f8fafc;
    border: 1px dashed var(--color-border);
    box-shadow: none;
    opacity: 0.7;
}
.tl-event.future .tl-event-title {
    color: var(--color-text-secondary);
}

/* COMPLETION BANNER */
.completion-banner {
    background: #eff6ff;
    border: 1.5px solid #bfdbfe;
    border-radius: var(--radius-card);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    gap: 14px;
}
.completion-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}
.completion-text {
    flex-grow: 1;
}
.completion-text h4 {
    font-size: 0.88rem;
    font-weight: 800;
    color: var(--color-primary-dark);
    margin: 0;
}
.completion-text p {
    font-size: 0.78rem;
    color: var(--color-text-secondary);
    margin: 3px 0 0;
}
.completion-check {
    text-align: center;
    background: #fff;
    border: 1px solid #bfdbfe;
    padding: 6px 12px;
    border-radius: 8px;
}
.step-counter {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--color-primary-dark);
    line-height: 1;
}
.step-label {
    font-size: 0.58rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    margin-top: 3px;
}

/* ── RESPONSIVENESS (MEDIA QUERIES) ─────────────────────────── */
@media (max-width: 1024px) {
    .tl-page .kpi-row {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
}

@media (max-width: 768px) {
    .tl-page {
        padding: 16px;
    }
    .timeline-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .tl-page .kpi-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .tl-progress {
        overflow-x: auto;
        justify-content: flex-start;
        gap: 16px;
        padding-bottom: 14px;
    }
    .tl-progress::before {
        display: none; /* Hide progress bar connector on narrow scrolling view */
    }
    .tl-progress-step {
        flex: none;
        width: 70px;
    }
    
    .tl-event-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    .tl-event-time {
        margin-left: 22px;
    }
}