/* ================================================================
   Durioo+ Roku — Feature Backlog Presentation
   ================================================================ */

:root {
    --bg: #0A0A0B;
    --surface: #141417;
    --surface-2: #1C1C20;
    --text: #E4E4E7;
    --text-muted: #8B8B95;
    --accent: #FA8A39;
    --accent-glow: rgba(250, 138, 57, 0.15);
    --green: #22C55E;
    --green-glow: rgba(34, 197, 94, 0.12);
    --blue: #3B82F6;
    --blue-glow: rgba(59, 130, 246, 0.12);
    --yellow: #F5C542;
    --yellow-glow: rgba(245, 197, 66, 0.12);
    --red: #EF4444;
    --red-glow: rgba(239, 68, 68, 0.12);
    --font: 'SF Pro Display', 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', monospace;
}

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

html, body {
    width: 100%; height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ---- Slide Container ---- */
.slides {
    width: 100%; height: calc(100% - 56px);
    position: relative;
}

.slide {
    position: absolute;
    inset: 0;
    padding: 40px 64px 32px;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s ease, transform 0.35s ease;
    pointer-events: none;
    overflow: hidden;
}
.slide.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* ---- Navigation ---- */
.slide-nav {
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    background: var(--surface);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    position: relative;
    z-index: 10;
    user-select: none;
}
.slide-counter {
    font-size: 13px;
    color: var(--text-muted);
    min-width: 50px;
}
.feature-tag {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    min-width: 140px;
    text-align: right;
}
.feature-tag.qr { color: var(--blue); }
.feature-tag.profile { color: var(--green); }
.feature-tag.resume { color: var(--yellow); }

.nav-dots {
    display: flex; gap: 8px;
}
.nav-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--surface-2);
    cursor: pointer;
    transition: all 0.2s;
}
.nav-dot.active { background: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }
.nav-dot:hover { background: var(--text-muted); }

/* ---- Typography ---- */
h1 { font-size: 40px; font-weight: 700; line-height: 1.15; }
h2 { font-size: 28px; font-weight: 700; margin-bottom: 20px; line-height: 1.2; }
h3 { font-size: 15px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 8px; }
p  { font-size: 16px; line-height: 1.6; color: var(--text-muted); }

code {
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--surface);
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.06);
    color: var(--text);
}

/* ---- Title Slide ---- */
.title-slide { justify-content: center; align-items: center; text-align: center; }
.title-content { max-width: 800px; }
.logo {
    font-size: 64px; font-weight: 800; color: var(--text);
    margin-bottom: 16px;
}
.logo .plus { color: var(--accent); }
.subtitle { font-size: 22px; color: var(--text-muted); margin: 12px 0 40px; }
.meta {
    display: flex; flex-direction: column; gap: 6px;
    font-size: 14px; color: var(--text-muted);
}
.title-slide .meta span { display: inline-block; }

/* ---- Section Header ---- */
.section-header { margin-bottom: 16px; }
.section-tag {
    display: inline-block;
    font-size: 11px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.08em;
    padding: 4px 12px; border-radius: 6px;
    margin-bottom: 12px;
}
.tag-qr { background: var(--blue-glow); color: var(--blue); }
.tag-profile { background: var(--green-glow); color: var(--green); }
.tag-resume { background: var(--yellow-glow); color: var(--yellow); }

/* ---- Two-Column Layout ---- */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}
.two-col > * {
    overflow: hidden;
    min-height: 0;
}

/* ---- Pain Points ---- */
.pain-point {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 10px;
}
.pain-point h3 {
    font-size: 14px;
    color: var(--accent);
    text-transform: none;
    letter-spacing: 0.02em;
    margin-bottom: 8px;
}
.pain-point ul {
    list-style: none;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
}
.pain-point ul li::before {
    content: "— ";
    color: var(--text-muted);
    opacity: 0.4;
}

/* ---- Flow Diagram ---- */
.flow-diagram {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 16px;
    overflow-x: auto;
}
.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-width: 110px;
    padding: 12px 8px;
}
.step-num {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: var(--surface-2);
    color: var(--accent);
    font-size: 14px; font-weight: 700;
    margin-bottom: 10px;
}
.flow-step .step-body strong {
    display: block;
    font-size: 14px;
    color: var(--text);
    margin-bottom: 4px;
}
.flow-step .step-body span {
    font-size: 12px;
    color: var(--text-muted);
    display: block;
    line-height: 1.4;
}
.flow-arrow {
    font-size: 20px;
    color: var(--text-muted);
    margin: 0 4px;
    flex-shrink: 0;
}
.flow-step.highlight .step-num {
    background: var(--accent-glow);
    box-shadow: 0 0 12px var(--accent-glow);
}
.flow-step.highlight .step-body strong { color: var(--accent); }

.flow-profile .flow-step { min-width: 130px; }

/* ---- Comparison Table ---- */
.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.comparison-table th {
    text-align: left;
    padding: 8px 12px;
    background: var(--surface);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-radius: 8px 8px 0 0;
}
.comparison-table td {
    padding: 8px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    color: var(--text);
}
.comparison-table td:first-child {
    color: var(--text-muted);
    font-weight: 500;
}
.comparison-table code { font-size: 12px; }

/* ---- Tech Stack / File Grid ---- */
.tech-stack { margin-top: 24px; }
.tech-stack h3 {
    font-size: 13px;
    color: var(--text-muted);
    margin: 16px 0 8px;
}
.file-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.file-chip {
    display: inline-block;
    font-size: 12px;
    font-family: var(--font-mono);
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 4px 10px;
    border-radius: 6px;
    color: var(--text);
}
.file-chip.mod {
    border-color: var(--accent);
    color: var(--accent);
}

/* ---- Phase List ---- */
.phase-list {
    list-style: none;
    counter-reset: phase;
    font-size: 13px;
    line-height: 1.8;
}
.phase-list li {
    counter-increment: phase;
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 4px 0;
}
.phase-list li::before {
    content: counter(phase);
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    min-width: 20px;
}
.phase-list .time {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
}
.phase-list li.done { color: var(--green); }
.phase-list .check {
    margin-left: 4px;
    font-size: 12px;
    color: var(--green);
}

.total-time {
    margin-top: 10px;
    padding: 8px 14px;
    background: var(--surface);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-muted);
}
.total-time strong { color: var(--text); }

/* ---- Risk Cards ---- */
.risk-card {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-left: 3px solid var(--yellow);
    border-radius: 8px;
    padding: 10px 14px;
    margin-bottom: 8px;
    font-size: 12px;
}
.risk-card strong { display: block; margin-bottom: 4px; color: var(--text); }
.risk-card p { font-size: 13px; color: var(--text-muted); }
.risk-high { border-left-color: var(--red); }

/* ---- Status Banner ---- */
.status-banner {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 14px;
    border-radius: 10px;
    margin-bottom: 10px;
    font-size: 13px;
}
.status-banner > span {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    font-size: 18px; font-weight: 700;
}
.status-done { background: var(--green-glow); border: 1px solid rgba(34,197,94,0.3); }
.status-done > span { background: var(--green); color: var(--bg); }
.status-done strong { color: var(--green); }
.status-banner code { font-size: 12px; }

/* ---- Checklist ---- */
.checklist { margin-bottom: 10px; }
.check-item {
    font-size: 12px;
    color: var(--text-muted);
    padding: 4px 0;
    padding-left: 24px;
    position: relative;
    line-height: 1.6;
}
.check-item::before {
    content: "○";
    position: absolute;
    left: 0;
    color: var(--text-muted);
}
.check-item.done { color: var(--text); }
.check-item.done::before { content: "✓"; color: var(--green); }

/* ---- Limit Boxes ---- */
.limit-boxes { display: flex; gap: 12px; margin-top: 12px; }
.limit-box {
    flex: 1;
    padding: 12px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.06);
}
.limit-box strong { display: block; font-size: 14px; margin-bottom: 4px; }
.limit-box span { display: block; font-size: 12px; color: var(--text-muted); }
.limit-box.free { background: var(--surface); }
.limit-box.vip { background: var(--yellow-glow); border-color: rgba(245,197,66,0.3); }
.limit-box.vip strong { color: var(--yellow); }

/* ---- Data Flow Vertical ---- */
.data-flow {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 14px 18px;
}
.df-step { padding: 8px 0; }
.df-label {
    font-size: 10px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--accent);
    display: block;
    margin-bottom: 4px;
}
.df-step code {
    display: block;
    margin: 2px 0;
    font-size: 12px;
    padding: 2px 8px;
}
.df-step em {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}
.df-arrow {
    text-align: center;
    color: var(--text-muted);
    font-size: 16px;
    padding: 2px 0 2px 20px;
}

/* ---- Decision Box ---- */
.decision-box {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 10px;
    font-size: 13px;
}
.decision-box strong { color: var(--text); display: block; margin-bottom: 4px; }
.decision-box p { font-size: 13px; }

/* ---- Edge Cases ---- */
.edge-cases {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}
.edge-cases span {
    font-size: 12px;
    background: var(--surface);
    padding: 4px 10px;
    border-radius: 6px;
    color: var(--text-muted);
}

/* ---- Timeline ---- */
.timeline { margin-bottom: 16px; }
.tl-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.tl-status {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 6px;
    min-width: 90px;
    text-align: center;
    background: var(--surface);
    color: var(--text-muted);
    flex-shrink: 0;
}
.tl-done .tl-status { background: var(--green-glow); color: var(--green); }
.tl-body { flex: 1; min-width: 0; }
.tl-body strong { font-size: 14px; display: block; margin-bottom: 2px; }
.tl-meta { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.tl-bar {
    height: 6px;
    background: var(--surface-2);
    border-radius: 3px;
    overflow: hidden;
    display: inline-block;
    width: calc(100% - 50px);
    vertical-align: middle;
}
.tl-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--accent);
}
.tl-pct {
    font-size: 12px;
    color: var(--text-muted);
    margin-left: 8px;
    display: inline-block;
    vertical-align: middle;
}

/* ---- Summary Banner ---- */
.summary-banner {
    display: flex;
    gap: 16px;
    margin-top: auto;
}
.summary-item {
    flex: 1;
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px;
    padding: 16px 20px;
}
.summary-item strong {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.summary-item span {
    font-size: 15px;
    color: var(--text);
}

/* ---- Agenda Grid ---- */
.agenda-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}
.agenda-card {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 14px;
    padding: 20px;
    position: relative;
    transition: border-color 0.2s;
}
.agenda-card:hover { border-color: rgba(255,255,255,0.15); }
.card-number {
    font-size: 48px;
    font-weight: 800;
    color: rgba(255,255,255,0.04);
    position: absolute;
    top: 16px; right: 20px;
}
.agenda-card h3 { font-size: 22px; color: var(--text); text-transform: none; letter-spacing: 0; margin-bottom: 8px; }
.agenda-card p { font-size: 14px; }
.card-badge {
    display: inline-block;
    font-size: 12px; font-weight: 600;
    padding: 3px 10px;
    border-radius: 6px;
    margin-top: 14px;
}
.badge-qr { background: var(--blue-glow); color: var(--blue); }
.badge-profile { background: var(--green-glow); color: var(--green); }
.badge-resume { background: var(--yellow-glow); color: var(--yellow); }

/* ---- Q&A Slide ---- */
.qa-content {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
}
.qa-points { }
.qa-point h3 {
    font-size: 20px; color: var(--text); text-transform: none; letter-spacing: 0;
    margin-bottom: 16px;
}
.qa-point ol {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 2;
    padding-left: 24px;
}
.qa-point ol strong { color: var(--text); }
.docs-reference { }
.docs-reference h3 {
    font-size: 14px; color: var(--text-muted); text-transform: uppercase;
    margin-bottom: 12px;
}
.doc-links {
    display: flex; gap: 12px;
}
.doc-links a {
    padding: 10px 20px;
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    transition: border-color 0.2s;
}
.doc-links a:hover { border-color: var(--accent); }

/* ---- Additional Detail Elements ---- */
.ac-count {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}
.ac-count strong { color: var(--text); }

.detail-list {
    list-style: none;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-top: 6px;
}
.detail-list li::before {
    content: "▸ ";
    color: var(--accent);
    font-size: 10px;
}
.detail-list li strong { color: var(--text); }
.detail-list code { font-size: 12px; }

.build-results {
    margin-top: 10px;
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 10px;
    padding: 10px 14px;
}
.build-results h3 {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.result-row {
    font-size: 13px;
    padding: 2px 0;
    color: var(--text);
}
.result-icon { margin-right: 8px; }
.result-icon.ok { color: var(--green); }

.feature-detail {
    margin-top: 12px;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}
.feature-detail strong { color: var(--text); }
.feature-detail code { font-size: 12px; }

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}
.badge-outline {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--text-muted);
}
.badge-done {
    background: var(--green-glow);
    color: var(--green);
}

/* ---- Blocked Status ---- */
.tl-row .tl-status:has(+ .tl-body):not(.tl-done .tl-status) {
    background: var(--red-glow);
    color: var(--red);
}

/* ---- Backend Flow Panels ---- */
.backend-flows {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-top: 4px;
}
.backend-panel {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 18px;
}
.backend-panel.highlight-panel {
    border-color: var(--accent);
    background: var(--accent-glow);
}
.backend-panel h3 {
    font-size: 15px;
    margin-bottom: 14px;
    color: var(--text);
}
.backend-panel h3 span {
    color: var(--text-muted);
    font-weight: 500;
}
.backend-flow {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
}
.bf-node {
    background: var(--surface-2);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 10px 12px;
    text-align: center;
    font-weight: 700;
    color: var(--text);
    font-size: 13px;
}
.bf-node small,
.bf-arrow small {
    display: block;
    margin-top: 3px;
    font-weight: 500;
    font-size: 10px;
    color: var(--text-muted);
}
.bf-node.roku { border-color: var(--purple); }
.bf-node.success { border-color: var(--green); color: var(--green); }
.bf-node.small {
    flex: 1;
    font-size: 12px;
    padding: 9px 8px;
}
.bf-arrow {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 11px;
    text-align: center;
    line-height: 1.4;
}
.bf-row {
    display: grid;
    grid-template-columns: 1fr 1.1fr 1fr;
    align-items: center;
    gap: 8px;
}
.detail-list.compact {
    font-size: 12px;
    line-height: 1.55;
}
.compact-stack {
    margin-top: 16px;
    padding: 14px 16px;
}
.compact-stack h3 {
    margin-bottom: 10px;
}

/* ---- Asset Diagrams ---- */
.asset-diagram {
    margin: 0;
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 16px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 18px 50px rgba(0,0,0,0.25);
}
.asset-diagram img {
    width: 100%;
    max-height: 520px;
    object-fit: contain;
    border-radius: 10px;
    background: #fff;
}
.asset-diagram figcaption {
    margin-top: 12px;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.5;
    text-align: center;
}
.qr-asset-diagram img {
    max-height: 540px;
}
.screenshot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    align-items: center;
}
.screenshot-column {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}
.screenshot-column img {
    width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: 10px;
    background: #fff;
    border: 1px solid rgba(255,255,255,0.08);
}
.screenshot-grid img {
    width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: 10px;
    background: #fff;
    border: 1px solid rgba(255,255,255,0.08);
}
.multi-profile-screenshots img {
    max-height: 520px;
}

/* ---- Screen Flowchart (PRD diagrams) ---- */
.screen-flow {
    background: var(--surface);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 14px;
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    font-size: 13px;
    overflow-y: auto;
    max-height: 100%;
}
.sf-screen {
    width: 100%;
    max-width: 440px;
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 18px 20px;
    background: var(--surface-2);
    position: relative;
}
.sf-screen.highlight { border-color: var(--accent); background: var(--accent-glow); }
.sf-screen.new { border-color: var(--green); }
.sf-screen-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-bottom: 10px;
}
.sf-screen.new .sf-screen-title { color: var(--green); }
.sf-screen.highlight .sf-screen-title { color: var(--accent); }
.sf-tag {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    position: absolute;
    top: -10px;
    right: 12px;
}
.sf-tag-new { background: var(--green-glow); color: var(--green); }
.sf-tag-existing { background: rgba(255,255,255,0.06); color: var(--text-muted); }
.sf-content {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.sf-line {
    font-size: 13px;
    color: var(--text);
    line-height: 1.6;
}
.sf-line.muted { color: var(--text-muted); font-size: 12px; }
.sf-line.code { font-family: var(--font-mono); font-size: 12px; background: var(--surface); padding: 3px 8px; border-radius: 4px; display: inline-block; color: var(--yellow); }
.sf-line.btn {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 4px 14px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}
.sf-arrow {
    text-align: center;
    font-size: 20px;
    color: var(--text-muted);
    padding: 6px 0;
}
.sf-arrow span { display: block; font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.sf-row {
    display: flex;
    gap: 8px;
    align-items: center;
}
.sf-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 6px;
}
.sf-badge.parent { background: rgba(59,130,246,0.12); color: var(--blue); }
.sf-badge.child { background: var(--yellow-glow); color: var(--yellow); }
.sf-badge.age { background: var(--green-glow); color: var(--green); }

/* ---- Continue Watching Cards ---- */
.sf-video-row {
    display: flex;
    gap: 10px;
    justify-content: center;
}
.sf-video-card {
    width: 100px;
    background: var(--surface);
    border-radius: 8px;
    padding: 12px 8px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.06);
}
.sf-video-card .sf-vid-bar {
    height: 40px;
    border-radius: 4px;
    margin-bottom: 6px;
    position: relative;
    overflow: hidden;
}
.sf-vid-bar-fill {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: var(--accent);
    border-radius: 4px;
}
.sf-vid-bar-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--surface-2);
    border-radius: 4px;
}
.sf-video-card .sf-vid-label {
    font-size: 10px;
    color: var(--text-muted);
}
.sf-video-card .sf-vid-pct {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
}

/* ---- Flowchart Branch ---- */
.sf-branch {
    display: flex;
    gap: 12px;
    width: 100%;
    max-width: 440px;
    justify-content: center;
}
.sf-branch-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.sf-branch-col .sf-arrow { font-size: 14px; }
.sf-sub-screen {
    width: 100%;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    padding: 12px 14px;
    background: var(--surface-2);
    font-size: 12px;
}

/* ---- Responsive ---- */
@media (max-width: 1100px) {
    .two-col { grid-template-columns: 1fr; }
    .agenda-grid { grid-template-columns: 1fr; }
    .summary-banner { flex-direction: column; }
    .slide { padding: 40px 32px 24px; }
    h1 { font-size: 32px; }
    h2 { font-size: 26px; }
    .slide-nav { padding: 0 16px; }
}

/* ---- Keyboard shortcut hint ---- */
.key-hint {
    position: fixed;
    bottom: 12px;
    right: 20px;
    font-size: 11px;
    color: rgba(255,255,255,0.2);
    pointer-events: none;
    z-index: 100;
}