/* =========================================
   Salsa Demos — Animated Demo Components
   Premium startup aesthetic (Linear/Vercel tier)
   ========================================= */

/* ─── Shared keyframes ─── */
@keyframes typeChar {
    from { width: 0; }
    to   { width: 100%; }
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0; }
}

@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideDown {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
    50%      { box-shadow: 0 0 16px 4px var(--accent-glow); }
}

@keyframes flowRight {
    0%   { transform: translateX(-100%); opacity: 0; }
    10%  { opacity: 1; }
    90%  { opacity: 1; }
    100% { transform: translateX(var(--flow-dist, 200px)); opacity: 0; }
}

@keyframes scanLine {
    0%   { top: 0; }
    100% { top: 100%; }
}

@keyframes packetMove {
    0%   { left: 0; opacity: 0; }
    5%   { opacity: 1; }
    95%  { opacity: 1; }
    100% { left: calc(100% - 8px); opacity: 0; }
}

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

@keyframes stamp {
    0%   { transform: scale(2) rotate(-12deg); opacity: 0; }
    60%  { transform: scale(0.95) rotate(1deg); opacity: 1; }
    100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

@keyframes shieldFlash {
    0%   { opacity: 0; transform: scale(0.8); }
    50%  { opacity: 1; transform: scale(1.1); }
    100% { opacity: 0; transform: scale(1); }
}

@keyframes progressFill {
    from { width: 0; }
    to   { width: var(--fill-to, 100%); }
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes popIn {
    0%   { transform: scale(0); opacity: 0; }
    70%  { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
    .demo-container,
    .demo-container * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .demo-container [data-demo-animated] {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* ─── Demo container ─── */
.demo-container {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.demo-container.demo-active {
    border-color: var(--border-hover);
}

html[data-design="design-agent"] .demo-container,
html[data-design="design-agent"] .demo-terminal,
html[data-design="design-agent"] .demo-pipeline-step,
html[data-design="design-agent"] .demo-routing-lane {
    box-shadow: var(--card-shadow);
}

html[data-design="bauhaus"] .demo-container,
html[data-design="bauhaus"] .demo-terminal,
html[data-design="bauhaus"] .demo-pipeline-step,
html[data-design="bauhaus"] .demo-routing-lane,
html[data-design="bauhaus"] .demo-event-row,
html[data-design="bauhaus"] .demo-timeline-badge {
    border-radius: 0 !important;
    box-shadow: none !important;
}

html[data-design="bauhaus"] .demo-container,
html[data-design="bauhaus"] .demo-terminal,
html[data-design="bauhaus"] .demo-pipeline-step,
html[data-design="bauhaus"] .demo-routing-lane {
    border-width: 2px;
}

html[data-design="mui"] .demo-container,
html[data-design="mui"] .demo-terminal,
html[data-design="mui"] .demo-pipeline-step,
html[data-design="mui"] .demo-routing-lane {
    box-shadow: var(--card-shadow);
}

/* ─── Demo terminal chrome ─── */
.demo-terminal {
    background: var(--bg);
    border-radius: 8px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.demo-terminal-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
}

.demo-terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.demo-terminal-dot.red    { background: #ff5f57; }
.demo-terminal-dot.yellow { background: #febc2e; }
.demo-terminal-dot.green  { background: #28c840; }

.demo-terminal-title {
    flex: 1;
    text-align: center;
    font-size: 0.6875rem;
    color: var(--text-3);
    font-family: var(--mono);
}

.demo-terminal-body {
    padding: 16px;
    font-family: var(--mono);
    font-size: 0.75rem;
    line-height: 1.8;
    color: var(--text-2);
    min-height: 120px;
}

.demo-terminal-cursor {
    display: inline-block;
    width: 7px;
    height: 14px;
    background: var(--accent);
    animation: cursorBlink 1s step-end infinite;
    vertical-align: middle;
    margin-left: 2px;
}

.demo-terminal-line {
    white-space: nowrap;
    overflow: hidden;
}

.demo-terminal-prompt {
    color: var(--green);
    margin-right: 8px;
}

/* ─── Demo timeline (vertical event log) ─── */
.demo-timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    padding: 16px;
}

.demo-timeline::before {
    content: '';
    position: absolute;
    left: 28px;
    top: 16px;
    bottom: 16px;
    width: 1px;
    background: var(--border);
}

.demo-timeline-event {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.demo-timeline-event.visible {
    opacity: 1;
    transform: translateY(0);
}

.demo-timeline-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 3px;
    position: relative;
    z-index: 1;
    border: 2px solid var(--bg);
}

.demo-timeline-content {
    flex: 1;
    font-size: 0.75rem;
    font-family: var(--mono);
}

.demo-timeline-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.6875rem;
    font-weight: 600;
    font-family: var(--font);
    letter-spacing: 0.02em;
}

/* ─── Demo split layout ─── */
.demo-split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 900px) {
    .demo-split-layout {
        grid-template-columns: 1fr;
    }
}

/* ─── Feature cards with demos ─── */
.feature-card.has-demo {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 32px;
    align-items: center;
    padding: 32px;
}

.feature-card.has-demo .fc-text {
    display: flex;
    flex-direction: column;
}

.feature-card.has-demo .fc-demo {
    min-height: 200px;
}

@media (max-width: 900px) {
    .feature-card.has-demo {
        grid-column: span 1;
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ─── Pipeline demo (Demo 1) ─── */
.demo-pipeline {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 24px 16px;
    overflow: hidden;
}

.demo-pipeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 8px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    min-width: 72px;
    text-align: center;
    transition: all 0.4s var(--ease);
    position: relative;
    z-index: 1;
}

.demo-pipeline-step.lit {
    border-color: var(--accent);
    background: var(--accent-soft);
    box-shadow: 0 0 20px var(--accent-glow);
}

.demo-pipeline-step .step-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--bg-elevated);
    color: var(--text-3);
    font-size: 0.625rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s var(--ease);
}

.demo-pipeline-step.lit .step-num {
    background: var(--accent);
    color: #fff;
}

.demo-pipeline-step .step-label {
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--text-2);
    letter-spacing: 0.01em;
}

.demo-pipeline-connector {
    position: relative;
    width: 28px;
    height: 2px;
    background: var(--border);
    flex-shrink: 0;
}

.demo-pipeline-packet {
    position: absolute;
    top: -3px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
    opacity: 0;
}

/* QA scan line effect */
.demo-pipeline-step .step-scan {
    position: absolute;
    inset: 0;
    overflow: hidden;
    border-radius: 5px;
    pointer-events: none;
}

.demo-pipeline-step .step-scan::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0;
}

.demo-pipeline-step.scanning .step-scan::after {
    opacity: 1;
    animation: scanLine 0.6s linear;
}

/* Shield flash for execute step */
.demo-pipeline-step .step-shield {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    font-size: 1.2rem;
    opacity: 0;
}

.demo-pipeline-step.shielding .step-shield {
    animation: shieldFlash 0.5s var(--ease);
}

/* Checkmark for notify step */
.demo-pipeline-step .step-check {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.5rem;
    color: #fff;
    font-weight: 700;
    opacity: 0;
    transform: scale(0);
}

.demo-pipeline-step.notified .step-check {
    animation: popIn 0.3s var(--ease) forwards;
}

/* ─── Sandbox VM demo (Demo 2) ─── */
.demo-sandbox {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0;
    padding: 16px;
    align-items: stretch;
}

.demo-sandbox-pane {
    border-radius: 6px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.demo-sandbox-pane .pane-header {
    padding: 8px 12px;
    font-size: 0.6875rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 6px;
}

.demo-sandbox-pane.host .pane-header {
    background: rgba(74, 222, 128, 0.08);
    color: var(--green);
}

.demo-sandbox-pane.vm .pane-header {
    background: rgba(96, 165, 250, 0.08);
    color: var(--blue);
}

.demo-sandbox-pane .pane-body {
    padding: 12px;
    font-family: var(--mono);
    font-size: 0.6875rem;
    line-height: 1.7;
    color: var(--text-2);
    min-height: 110px;
    background: var(--bg);
}

.demo-sandbox-channel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    position: relative;
}

.demo-sandbox-channel .channel-line {
    width: 1px;
    flex: 1;
    background: var(--border);
}

.demo-sandbox-channel .channel-label {
    font-size: 0.5625rem;
    font-family: var(--mono);
    color: var(--text-3);
    writing-mode: vertical-lr;
    text-orientation: mixed;
    padding: 8px 0;
    white-space: nowrap;
}

.demo-sandbox-packet {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 6px rgba(34, 211, 238, 0.5);
    opacity: 0;
}

.demo-sandbox-shield {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.625rem;
    font-weight: 600;
    margin-top: 8px;
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}

.demo-sandbox-shield.visible {
    opacity: 1;
}

.demo-sandbox-shield.safe {
    background: rgba(74, 222, 128, 0.1);
    color: var(--green);
    border: 1px solid rgba(74, 222, 128, 0.2);
}

/* ─── Event-sourced memory demo (Demo 3) ─── */
.demo-events {
    padding: 16px;
    position: relative;
}

.demo-events-log {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 180px;
    overflow: hidden;
}

.demo-event-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 4px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.6875rem;
    font-family: var(--mono);
    opacity: 0;
    transform: translateY(-12px);
    transition: all 0.3s var(--ease);
}

.demo-event-row.visible {
    opacity: 1;
    transform: translateY(0);
}

.demo-event-badge {
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.5625rem;
    font-weight: 700;
    font-family: var(--font);
    white-space: nowrap;
    letter-spacing: 0.03em;
}
.demo-event-badge.created  { background: rgba(96, 165, 250, 0.15); color: var(--blue); }
.demo-event-badge.approved { background: rgba(74, 222, 128, 0.15); color: var(--green); }
.demo-event-badge.executed { background: rgba(232, 70, 30, 0.15); color: var(--accent); }
.demo-event-badge.notified { background: rgba(167, 139, 250, 0.15); color: var(--purple); }
.demo-event-badge.reviewed { background: rgba(34, 211, 238, 0.15); color: var(--cyan); }

.demo-events-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.demo-events-counter {
    font-size: 0.75rem;
    font-family: var(--mono);
    font-weight: 600;
    color: var(--text-1);
}

.demo-events-lock {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.625rem;
    color: var(--text-3);
}

/* ─── Tiered model routing demo (Demo 4) ─── */
.demo-routing {
    padding: 16px;
}

.demo-routing-hub {
    text-align: center;
    padding: 8px;
    margin-bottom: 12px;
}

.demo-routing-hub-label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--accent);
    font-family: var(--mono);
}

.demo-routing-request {
    text-align: center;
    padding: 6px 12px;
    border-radius: 4px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.6875rem;
    font-family: var(--mono);
    color: var(--text-2);
    margin-bottom: 12px;
    transition: all 0.3s var(--ease);
}

.demo-routing-lanes {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.demo-routing-lane {
    display: grid;
    grid-template-columns: 56px 1fr auto auto;
    gap: 8px;
    align-items: center;
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--bg);
    font-size: 0.6875rem;
    transition: all 0.3s var(--ease);
}

.demo-routing-lane.active {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.demo-routing-tier {
    font-weight: 700;
    font-family: var(--mono);
}

.demo-routing-model {
    color: var(--text-2);
    font-family: var(--mono);
}

.demo-routing-latency {
    color: var(--text-3);
    font-family: var(--mono);
    font-size: 0.625rem;
}

.demo-routing-cost {
    font-family: var(--mono);
    font-size: 0.625rem;
    font-weight: 600;
}

.demo-routing-meter {
    margin-top: 12px;
    padding: 8px 10px;
    border-radius: 4px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.6875rem;
    text-align: center;
    color: var(--green);
    font-weight: 600;
    font-family: var(--mono);
}

/* ─── Local-first demo (Demo 5) ─── */
.demo-local {
    padding: 20px;
    text-align: center;
}

.demo-local-device {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
}

.demo-local-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.demo-local-zones {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.demo-local-zone {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    transition: all 0.4s var(--ease);
}

.demo-local-zone.active {
    border-color: var(--green);
    background: rgba(74, 222, 128, 0.06);
}

.demo-local-zone.escalated {
    border-color: var(--blue);
    background: rgba(96, 165, 250, 0.06);
}

.demo-local-zone-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.demo-local-zone-label {
    flex: 1;
    font-size: 0.6875rem;
    font-weight: 600;
    text-align: left;
}

.demo-local-zone-detail {
    font-size: 0.625rem;
    font-family: var(--mono);
    color: var(--text-3);
}

.demo-local-counter {
    margin-top: 12px;
    font-size: 0.75rem;
    font-family: var(--mono);
    font-weight: 600;
    color: var(--green);
}

.demo-local-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
    padding: 4px 12px;
    border-radius: 4px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--text-3);
    transition: all 0.3s var(--ease);
}

.demo-local-toggle.on {
    border-color: var(--green);
    color: var(--green);
    background: rgba(74, 222, 128, 0.06);
}

/* ─── QA Gates demo (Demo 6) ─── */
.demo-qa {
    padding: 16px;
}

.demo-qa-plan {
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
}

.demo-qa-plan-header {
    padding: 8px 12px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-1);
}

.demo-qa-step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    font-size: 0.6875rem;
    font-family: var(--mono);
    color: var(--text-2);
    transition: background 0.3s var(--ease);
}

.demo-qa-step:last-child {
    border-bottom: none;
}

.demo-qa-step .step-icon {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.5rem;
    flex-shrink: 0;
    transition: all 0.3s var(--ease);
}

.demo-qa-step.pass .step-icon {
    background: var(--green);
    border-color: var(--green);
    color: #fff;
}

.demo-qa-step.warn .step-icon {
    background: var(--orange);
    border-color: var(--orange);
    color: #fff;
}

.demo-qa-scan-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    pointer-events: none;
    opacity: 0;
    z-index: 2;
}

.demo-qa-scan-line.active {
    opacity: 1;
}

.demo-qa-verdict {
    margin-top: 8px;
    padding: 8px 12px;
    border-radius: 4px;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: var(--mono);
    letter-spacing: 0.05em;
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.3s var(--ease);
}

.demo-qa-verdict.visible {
    opacity: 1;
    transform: scale(1);
}

.demo-qa-verdict.pass {
    background: rgba(74, 222, 128, 0.1);
    color: var(--green);
    border: 1px solid rgba(74, 222, 128, 0.2);
}

.demo-qa-verdict.blocked {
    background: rgba(251, 146, 60, 0.1);
    color: var(--orange);
    border: 1px solid rgba(251, 146, 60, 0.2);
}

/* ─── DSP Gate Pipeline demo (Demo 7) ─── */
.demo-dsp-gates {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 24px 16px;
    overflow-x: auto;
}

.demo-dsp-gate {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg);
    min-width: 68px;
    text-align: center;
    transition: all 0.3s var(--ease);
    position: relative;
}

.demo-dsp-gate.verified {
    border-color: var(--green);
    background: rgba(74, 222, 128, 0.06);
}

.demo-dsp-gate.failed {
    border-color: var(--red);
    background: rgba(248, 113, 113, 0.06);
}

.demo-dsp-gate .gate-label {
    font-size: 0.5625rem;
    font-weight: 600;
    color: var(--text-2);
}

.demo-dsp-gate .gate-icon {
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity 0.2s;
}

.demo-dsp-gate.verified .gate-icon,
.demo-dsp-gate.failed .gate-icon {
    opacity: 1;
}

.demo-dsp-gate-connector {
    width: 20px;
    height: 2px;
    background: var(--border);
    flex-shrink: 0;
    position: relative;
}

.demo-dsp-verified-burst {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--green);
    font-family: var(--mono);
    letter-spacing: 0.1em;
    opacity: 0;
    pointer-events: none;
}

.demo-dsp-verified-burst.visible {
    animation: stamp 0.5s var(--ease) forwards;
}

/* ─── DSP Frame Assembly demo (Demo 8) ─── */
.demo-frame-assembly {
    padding: 16px;
    font-family: var(--mono);
    font-size: 0.6875rem;
}

.demo-frame-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid var(--border);
    margin-bottom: 4px;
    background: var(--bg);
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}

.demo-frame-row.visible {
    opacity: 1;
}

.demo-frame-row .row-label {
    font-weight: 600;
    color: var(--text-1);
    min-width: 80px;
}

.demo-frame-row .row-value {
    color: var(--text-2);
    flex: 1;
    overflow: hidden;
}

.demo-frame-row .row-size {
    color: var(--text-3);
    font-size: 0.625rem;
}

.demo-frame-stamp {
    text-align: center;
    margin-top: 12px;
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--green);
    opacity: 0;
}

.demo-frame-stamp.visible {
    animation: stamp 0.5s var(--ease) forwards;
}

/* ─── Time-Travel Replay demo (Demo 9) ─── */
.demo-replay {
    padding: 16px;
}

.demo-replay-timeline {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 12px 0;
    position: relative;
    margin-bottom: 12px;
}

.demo-replay-track {
    flex: 1;
    height: 2px;
    background: var(--border);
    position: relative;
}

.demo-replay-playhead {
    position: absolute;
    top: -5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
    transition: left 0.5s var(--ease);
    left: 0;
}

.demo-replay-dot {
    position: absolute;
    top: -3px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-3);
    transition: all 0.3s var(--ease);
}

.demo-replay-dot.active {
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent-glow);
}

.demo-replay-log {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-height: 80px;
}

.demo-replay-entry {
    padding: 4px 8px;
    border-radius: 3px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.6875rem;
    font-family: var(--mono);
    color: var(--text-2);
    opacity: 0;
    transform: translateX(-8px);
    transition: all 0.3s var(--ease);
}

.demo-replay-entry.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ─── Federation demo (Demo 10) ─── */
.demo-federation {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 0;
    padding: 20px 16px;
    align-items: center;
}

.demo-fed-node {
    text-align: center;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg);
}

.demo-fed-node-icon {
    font-size: 1.5rem;
    margin-bottom: 6px;
}

.demo-fed-node-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-1);
}

.demo-fed-relay {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 0 12px;
    position: relative;
}

.demo-fed-relay-line {
    width: 60px;
    height: 1px;
    background: var(--border);
    position: relative;
}

.demo-fed-relay-label {
    font-size: 0.5rem;
    font-family: var(--mono);
    color: var(--text-3);
    white-space: nowrap;
}

.demo-fed-packet {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    opacity: 0;
}

.demo-fed-packet.outgoing {
    background: var(--cyan);
    box-shadow: 0 0 6px rgba(34, 211, 238, 0.5);
}

.demo-fed-packet.incoming {
    background: var(--purple);
    box-shadow: 0 0 6px rgba(167, 139, 250, 0.5);
}

.demo-fed-event {
    font-size: 0.6875rem;
    font-family: var(--mono);
    color: var(--text-2);
    margin-top: 4px;
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}

.demo-fed-event.visible {
    opacity: 1;
}

.demo-fed-hlc {
    font-size: 0.5rem;
    font-family: var(--mono);
    color: var(--text-3);
    margin-top: 8px;
}

/* ─── Progressive Trust demo (Demo 11) ─── */
.demo-trust {
    padding: 16px;
    text-align: center;
}

.demo-trust-counter {
    font-size: 1.25rem;
    font-weight: 700;
    font-family: var(--mono);
    color: var(--text-1);
    margin-bottom: 8px;
}

.demo-trust-bar {
    height: 6px;
    border-radius: 3px;
    background: var(--bg-elevated);
    margin-bottom: 12px;
    overflow: hidden;
}

.demo-trust-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--accent);
    transition: width 0.5s var(--ease);
    width: 0;
}

.demo-trust-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.6875rem;
    font-weight: 600;
    border: 1px solid var(--border);
    transition: all 0.3s var(--ease);
}

.demo-trust-badge.new {
    color: var(--text-3);
    border-color: var(--border);
}

.demo-trust-badge.trusted {
    color: var(--blue);
    border-color: var(--blue);
    background: rgba(96, 165, 250, 0.1);
}

.demo-trust-badge.established {
    color: var(--green);
    border-color: var(--green);
    background: rgba(74, 222, 128, 0.1);
}

.demo-trust-request {
    margin-top: 12px;
    padding: 8px 12px;
    border-radius: 4px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.6875rem;
    font-family: var(--mono);
    color: var(--text-2);
    transition: all 0.3s var(--ease);
}

.demo-trust-auto {
    margin-top: 8px;
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--green);
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}

.demo-trust-auto.visible {
    opacity: 1;
}

/* ─── Multi-User Permissions demo (Demo 12) ─── */
.demo-perms {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 16px;
}

.demo-perms-pane {
    border-radius: 6px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.demo-perms-pane .pane-header {
    padding: 6px 10px;
    font-size: 0.625rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
}

.demo-perms-card {
    padding: 6px 8px;
    margin: 6px;
    border-radius: 4px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.6875rem;
    transition: all 0.3s var(--ease);
}

.demo-perms-card.blurred {
    filter: blur(3px);
    opacity: 0.4;
}

.demo-perms-card.hidden-card {
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    border: none;
    overflow: hidden;
}

.demo-perms-btn {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.5rem;
    font-weight: 600;
    margin-top: 4px;
}

.demo-perms-btn.active {
    background: var(--red);
    color: #fff;
}

.demo-perms-btn.disabled {
    background: var(--bg-elevated);
    color: var(--text-3);
    opacity: 0.5;
}

/* ─── Wave Execution demo (Demo 13) ─── */
.demo-waves {
    padding: 16px;
}

.demo-wave-label {
    font-size: 0.625rem;
    font-weight: 600;
    font-family: var(--mono);
    color: var(--text-3);
    margin-bottom: 6px;
    margin-top: 10px;
}
.demo-wave-label:first-child {
    margin-top: 0;
}

.demo-wave-nodes {
    display: flex;
    gap: 6px;
}

.demo-wave-node {
    flex: 1;
    padding: 8px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--bg);
    text-align: center;
    font-size: 0.6875rem;
    font-family: var(--mono);
    position: relative;
    overflow: hidden;
}

.demo-wave-node .wave-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--accent);
    border-radius: 0 0 3px 3px;
    width: 0;
    transition: width 0.8s var(--ease);
}

.demo-wave-node.done {
    border-color: var(--green);
}
.demo-wave-node.done .wave-progress {
    background: var(--green);
    width: 100%;
}

.demo-wave-node.running .wave-progress {
    width: var(--fill-to, 50%);
}

.demo-wave-counter {
    margin-top: 12px;
    text-align: center;
    font-size: 0.75rem;
    font-family: var(--mono);
    font-weight: 600;
    color: var(--accent);
}

/* ─── BYOK demo (Demo 14) ─── */
.demo-byok {
    padding: 16px;
}

.demo-byok-slot {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--bg);
    margin-bottom: 6px;
    font-size: 0.6875rem;
    transition: all 0.3s var(--ease);
}

.demo-byok-slot .slot-provider {
    font-weight: 600;
    min-width: 70px;
}

.demo-byok-slot .slot-key {
    font-family: var(--mono);
    color: var(--text-3);
    flex: 1;
    letter-spacing: 0.05em;
}

.demo-byok-slot .slot-status {
    font-size: 0.5625rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 3px;
}

.demo-byok-slot .slot-status.valid {
    background: rgba(74, 222, 128, 0.15);
    color: var(--green);
}

.demo-byok-slot .slot-status.testing {
    background: rgba(251, 146, 60, 0.15);
    color: var(--orange);
}

.demo-byok-slot.active {
    border-color: var(--green);
    background: rgba(74, 222, 128, 0.04);
}

/* ─── 18+ Tools demo (Demo 15) ─── */
.demo-tools {
    padding: 16px;
    position: relative;
    overflow: hidden;
}

.demo-tools-window {
    border-radius: 6px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.demo-tools-sidebar {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 8px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.demo-tools-tab {
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 0.5625rem;
    font-weight: 500;
    color: var(--text-3);
    cursor: default;
    transition: all 0.2s var(--ease);
}

.demo-tools-tab.active {
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 600;
}

.demo-tools-view {
    padding: 12px;
    min-height: 80px;
    background: var(--bg-surface);
    font-size: 0.6875rem;
    color: var(--text-2);
    font-family: var(--mono);
}

.demo-tools-counter {
    text-align: center;
    margin-top: 10px;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-1);
}

/* ─── Collaboration Loop demo (Demo 16) ─── */
.demo-collab-loop {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 20px 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.demo-loop-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px;
    border-radius: 6px;
    border: 1px solid var(--border);
    min-width: 56px;
    text-align: center;
    transition: all 0.3s var(--ease);
}

.demo-loop-node.active {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.demo-loop-node .node-icon {
    font-size: 0.875rem;
}

.demo-loop-node .node-label {
    font-size: 0.5rem;
    font-weight: 600;
    color: var(--text-2);
}

.demo-loop-arrow {
    width: 16px;
    text-align: center;
    color: var(--text-3);
    font-size: 0.625rem;
}

/* ─── Offline Mode demo (Demo 17) ─── */
.demo-offline {
    padding: 16px;
    text-align: center;
}

.demo-offline-cloud {
    font-size: 2rem;
    margin-bottom: 8px;
    transition: all 0.4s var(--ease);
}

.demo-offline-cloud.disabled {
    opacity: 0.2;
    filter: grayscale(1);
}

.demo-offline-local {
    font-size: 1.25rem;
    margin-bottom: 8px;
    transition: all 0.4s var(--ease);
    opacity: 0.3;
}

.demo-offline-local.active {
    opacity: 1;
}

.demo-offline-meter {
    height: 6px;
    border-radius: 3px;
    background: var(--bg-elevated);
    margin: 12px 0 8px;
    overflow: hidden;
}

.demo-offline-meter-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--green);
    width: 85%;
    transition: all 0.4s var(--ease);
}

.demo-offline-label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--green);
    font-family: var(--mono);
}

/* ─── Screenshot Carousel demo (Demo 18) ─── */
.demo-screenshots {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.demo-screenshots-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.6s var(--ease);
}

.demo-screenshots-slide.active {
    position: relative;
    opacity: 1;
}

.demo-screenshots-slide img {
    width: 100%;
    display: block;
}

.demo-screenshots-dots {
    display: flex;
    justify-content: center;
    gap: 6px;
    padding: 8px 0;
}

.demo-screenshots-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-3);
    opacity: 0.3;
    transition: all 0.3s var(--ease);
}

.demo-screenshots-dot.active {
    opacity: 1;
    background: var(--accent);
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .demo-pipeline {
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px;
    }
    .demo-pipeline-connector {
        display: none;
    }
    .demo-sandbox {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .demo-sandbox-channel {
        flex-direction: row;
        padding: 4px 0;
    }
    .demo-sandbox-channel .channel-line {
        width: auto;
        flex: 1;
        height: 1px;
    }
    .demo-sandbox-channel .channel-label {
        writing-mode: horizontal-tb;
    }
    .demo-perms {
        grid-template-columns: 1fr;
    }
    .demo-federation {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .demo-fed-relay {
        flex-direction: row;
    }
    .demo-fed-relay-line {
        width: auto;
        flex: 1;
        height: 1px;
    }
    .demo-dsp-gates {
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px;
    }
    .demo-dsp-gate-connector {
        display: none;
    }
}