/* ── Reset & base ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg-page:      #0d1117;
    --bg-card:      #111827;
    --bg-card-alt:  #161f2e;
    --border:       #2d3f6b;
    --text-primary: #e0e6ff;
    --text-muted:   #8898b8;
    --text-dim:     #4a5580;
    --accent-blue:  #3b82f6;
    --font-mono:    'Fira Code', 'Cascadia Code', 'Consolas', monospace;
    --font-sans:    'Inter', 'Segoe UI', system-ui, sans-serif;
    --radius:       12px;
    --slide-h:      calc(100vh - 72px); /* viewport minus nav bar */
}

html, body {
    height: 100%;
    background: var(--bg-page);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    overflow: hidden; /* prevent double scrollbars; slide handles its own */
}

/* ── App root ──────────────────────────────────────────────────────────── */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative;
}

/* ── Slide viewport ────────────────────────────────────────────────────── */
.slide-viewport {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* ── Navigation bar ────────────────────────────────────────────────────── */
.slide-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    height: 60px;
    min-height: 60px;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 0 20px;
    position: relative;
    z-index: 100;
    flex-shrink: 0;
}

.slide-nav-btn {
    padding: 7px 20px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-card-alt);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
    white-space: nowrap;
}

.slide-nav-btn:hover:not(:disabled) {
    background: var(--border);
    border-color: var(--accent-blue);
}

.slide-nav-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.slide-counter {
    font-size: 13px;
    color: var(--text-muted);
    min-width: 52px;
    text-align: center;
}

.slide-dots {
    display: flex;
    gap: 6px;
    align-items: center;
}

.slide-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    border: none;
    background: var(--border);
    cursor: pointer;
    padding: 0;
    transition: background 0.2s, transform 0.2s;
}

.slide-dot:hover { background: var(--text-muted); transform: scale(1.2); }

.slide-dot.active {
    background: var(--accent-blue);
    transform: scale(1.3);
}

/* ── Base slide ────────────────────────────────────────────────────────── */
.slide {
    min-height: var(--slide-h);
    padding: 28px 36px 32px;
    width: 100%;
}

/* ── What is IaC slide ─────────────────────────────────────────────────── */
.what-iac-slide {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    padding: 32px 48px;
}

.what-iac-main-title {
    font-size: clamp(1.3rem, 2.2vw, 1.8rem);
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin: 0;
}

.what-era-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.what-era-badge {
    background: rgba(96,165,250,0.15);
    border: 1px solid rgba(96,165,250,0.35);
    color: #60a5fa;
    font-weight: 700;
    font-size: 0.8rem;
    padding: 2px 10px;
    border-radius: 99px;
}

.what-era-sep {
    color: var(--border);
}

.what-era-text {
    color: var(--text-muted);
}

.what-virt-evo {
    width: 100%;
    max-width: 1100px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 24px;
}

.what-virt-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    flex-wrap: wrap;
    margin-top: 10px;
}

.what-virt-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 1;
    min-width: 120px;
    text-align: center;
    position: relative;
}

.what-virt-year {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 600;
}

.what-virt-arrow {
    font-size: 1.1rem;
    color: var(--border);
    position: absolute;
    right: -8px;
    top: 28px;
}

.what-virt-step:last-child .what-virt-arrow {
    display: none;
}

.what-virt-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.what-virt-note {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.3;
}

.pre-cm-body {
    display: flex;
    flex-direction: row;
    width: 100%;
    max-width: 1100px;
    align-items: flex-start;
}

.pre-cm-diagram {
    flex: 1;
}

.pre-cm-diagram .flow-diagram {
    width: 100%;
    max-height: 520px;
    height: auto;
}

.what-before {
    width: 100%;
    max-width: 1100px;
    background: rgba(239,68,68,0.07);
    border: 1px solid rgba(239,68,68,0.25);
    border-radius: 12px;
    padding: 18px 24px;
}

.what-before-heading {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #f87171;
    margin: 0 0 14px 0;
}

.what-before-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 24px;
}

.what-before-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 0.87rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.what-before-item span:first-child {
    flex-shrink: 0;
}

.what-card-wide {
    width: 100%;
    max-width: 1100px;
}

.what-card-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 24px;
}

.what-card-prose {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.what-card-prose p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0;
}

.overview-bullets {
    list-style: disc;
    margin: 0;
    padding-left: 1.4em;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.overview-bullets li {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.what-bridge {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
    margin: 0;
}

.what-iac-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    width: 100%;
    max-width: 1100px;
}

.what-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.what-card-header {
    display: flex;
    align-items: baseline;
    gap: 12px;
    padding-left: 12px;
}

.what-card-acronym {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.what-card-full {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
}

.what-card-def {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.what-card-problems-heading {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 0;
}

.what-card-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.what-card-list li {
    display: flex;
    gap: 8px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.what-bullet {
    flex-shrink: 0;
    font-size: 0.9rem;
}

.what-shared {
    width: 100%;
    max-width: 1100px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 28px;
}

.what-shared-heading {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 0 0 16px 0;
}

.what-shared-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.what-shared-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.what-shared-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.what-shared-item strong {
    display: block;
    font-size: 0.92rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.what-shared-item p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ── Title slide ───────────────────────────────────────────────────────── */
.title-slide {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    text-align: center;
    background: radial-gradient(ellipse at 50% 40%, #0f1e3a 0%, var(--bg-page) 70%);
    min-height: var(--slide-h);
}

.title-hero { display: flex; flex-direction: column; align-items: center; gap: 12px; }

.title-icon { font-size: 3rem; }

.title-image {
    max-height: 55vh;
    max-width: 80%;
    object-fit: contain;
    border-radius: 12px;
}

.title-heading {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    background: linear-gradient(135deg, #60a5fa, #a78bfa, #50e6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.title-subtitle {
    font-size: clamp(0.95rem, 1.6vw, 1.15rem);
    color: var(--text-muted);
    max-width: 620px;
}

.title-coverage {
    font-size: 0.85rem;
    color: var(--text-dim);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tool-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    max-width: 760px;
}

.tool-pill {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    padding: 6px 14px;
    border: 1px solid;
    border-radius: 20px;
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(4px);
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.2;
    transition: background 0.2s;
}

.tool-pill:hover { background: rgba(255,255,255,0.07); }
.tool-pill-name { font-size: 0.8rem; }
.tool-pill-year { font-size: 0.7rem; opacity: 0.65; }

.start-btn {
    padding: 12px 36px;
    border-radius: 10px;
    border: 1px solid #3b82f6;
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    box-shadow: 0 4px 20px rgba(59,130,246,0.35);
}

.start-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(59,130,246,0.5);
}

/* ── Timelines slide ───────────────────────────────────────────────────── */
.timelines-slide {
    padding: 20px 24px 24px;
}

.slide-main-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
    text-align: center;
}

.timeline-svg {
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    display: block;
}

/* SVG text classes referenced from Leptos view! */
.section-title    { font: bold 18px var(--font-sans); fill: #c9d6f0; }
.iac-section-title { fill: #7eb8ff; }
.virt-section-title { fill: #86efac; }
.band-label       { font: 13px var(--font-sans); fill: #6b7cb8; }
.tick-label       { font: 12px var(--font-sans); fill: #4a5580; }
.node-name        { font: bold 13px var(--font-sans); fill: #e0e6ff; }
.virt-label       { fill: #d4edda; }
.node-year-label  { font: 12px var(--font-sans); fill: #6b7cb8; }
.virt-year        { fill: #6b9b7a; }
.axis-edge-label  { font: 11px var(--font-sans); fill: #3a4a6b; }
.corr-label       { font: 11px var(--font-sans); fill: #6b7cb8; }
.docker-corr      { fill: #60adf5; }
.k8s-corr         { fill: #6f9ceb; }

.timeline-hint {
    margin-top: 10px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-dim);
    font-style: italic;
}

/* ── Hidden utility ────────────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Slide content tab bar ─────────────────────────────────────────────── */
.slide-tab-bar {
    display: flex;
    align-items: center;
    padding: 8px 24px;
    background: var(--bg-card-alt);
    border-bottom: 1px solid var(--border);
}

.slide-tab {
    padding: 4px 16px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 0.05em;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.slide-tab-bar > .slide-tab:first-child { border-radius: 6px 0 0 6px; }
.slide-tab-bar > .slide-tab:last-child  { border-radius: 0 6px 6px 0; border-left: none; }

.slide-tab:hover:not(.active) { background: var(--border); color: var(--text-primary); }

.slide-tab.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

/* ── Tool slide layout ─────────────────────────────────────────────────── */
.tool-slide {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    background: var(--bg-card);
    border-radius: var(--radius);
    margin: 16px 20px;
    overflow: hidden;
    box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

/* Header */
.slide-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 18px 24px 14px;
    background: var(--bg-card-alt);
    border-bottom: 1px solid var(--border);
    gap: 16px;
    flex-wrap: wrap;
}

.slide-header-left { display: flex; flex-direction: column; gap: 4px; }
.slide-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.slide-title  { font-size: 1.6rem; font-weight: 800; color: #e0e6ff; line-height: 1.1; }
.slide-subtitle { font-size: 1.05rem; color: var(--text-muted); }

.slide-year-badge {
    padding: 5px 14px;
    border-radius: 12px;
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.slide-category-badge {
    padding: 5px 14px;
    border-radius: 12px;
    background: var(--border);
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 600;
}

.slide-creator {
    font-size: 0.95rem;
    color: var(--text-dim);
}

/* Body: two-column grid */
.slide-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    flex: 1;
    min-height: 340px;
}

.aspects-col {
    padding: 20px 24px;
    border-right: 1px solid var(--border);
}

.diagram-col {
    padding: 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.col-heading {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    margin-bottom: 12px;
}

.aspects-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.aspects-list li {
    padding-left: 20px;
    position: relative;
    font-size: 1.25rem;
    color: var(--text-primary);
    line-height: 1.55;
}

.aspects-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--tool-color, var(--accent-blue));
    font-size: 0.75em;
    top: 3px;
}

/* Flow diagram SVG */
.flow-diagram {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border);
    display: block;
    flex: 1;
}

/* SVG diagram text classes */
.diag-box-title { font: bold 14px var(--font-sans); }
.diag-box-sub   { font: 13px var(--font-sans); }
.diag-arrow-label { font: 11px var(--font-sans); }

/* Code section */
.code-section {
    padding: 0 24px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-page);
}

.code-section-expanded {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-top: none;
    padding: 20px 24px 24px;
}

.code-section-expanded .code-caption {
    padding-top: 0;
}

.code-section-expanded .code-block {
    flex: 1;
    overflow-y: auto;
}

.code-caption {
    padding: 10px 0 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
}

.code-block {
    background: #0a0f1a;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px 16px;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.65;
    color: #c9d1d9;
    overflow-x: auto;
    white-space: pre;
    tab-size: 2;
}

/* ── highlight.js overrides ───────────────────────────────────────────── */
.code-block .hljs {
    background: transparent;
    padding: 0;
    color: inherit;
}

/* ── Chapter overview slides ──────────────────────────────────────────── */
.chapter-overview-slide {
    display: flex;
    flex-direction: column;
    gap: 32px;
    padding: 40px 60px;
    justify-content: center;
}

.chapter-overview-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chapter-tag {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-dim);
}

.chapter-overview-title {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.1;
}

.chapter-overview-sub {
    font-size: 1rem;
    color: var(--text-muted);
    margin: 0;
}

.chapter-tool-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.chapter-tool-row {
    display: grid;
    grid-template-columns: 64px 200px 1fr;
    align-items: center;
    gap: 20px;
    padding: 16px 20px;
    background: var(--bg-card);
    border-radius: 8px;
}

.chapter-tool-year {
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.chapter-tool-name {
    font-size: 1.25rem;
    font-weight: 700;
}

.chapter-tool-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ── Comparison slide ──────────────────────────────────────────────────── */
.comparison-slide {
    padding: 20px 24px 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.comparison-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.comparison-tool {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.bi-header { align-items: flex-end; }

.comparison-title {
    font-size: clamp(1.3rem, 2.5vw, 1.9rem);
    font-weight: 800;
    text-align: center;
    background: linear-gradient(135deg, #a78bfa, #50e6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex: 1;
}

.comp-tool-name { font-size: 1.5rem; font-weight: 800; }

.comp-badge {
    padding: 3px 12px;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.tf-badge { background: rgba(123,66,188,0.25); color: #c4b5fd; border: 1px solid #7b42bc; }
.bi-badge { background: rgba(80,230,255,0.15); color: #50e6ff; border: 1px solid #50e6ff; }

/* Comparison table */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 1rem;
}

.comparison-table thead th {
    padding: 14px 20px;
    text-align: left;
    background: var(--bg-card-alt);
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.comparison-table td {
    padding: 13px 20px;
    border-bottom: 1px solid rgba(45,63,107,0.4);
    vertical-align: top;
    line-height: 1.5;
}

.table-row.even { background: var(--bg-page); }
.table-row.odd  { background: var(--bg-card-alt); }

/* Row focus-on-hover: dim siblings, highlight the active row */
.comparison-table tbody tr {
    transition: opacity 0.15s, background 0.15s;
}
.comparison-table tbody:hover tr {
    opacity: 0.3;
}
.comparison-table tbody:hover tr:hover {
    opacity: 1;
    background: rgba(99, 102, 241, 0.15);
    outline: 1px solid rgba(99, 102, 241, 0.4);
}

.dim-cell {
    font-weight: 700;
    color: var(--text-muted);
    white-space: nowrap;
    width: 200px;
}

.tf-cell { color: #c4b5fd; border-left: 2px solid rgba(123,66,188,0.3); }
.bi-cell { color: #7dd3fc; border-left: 2px solid rgba(80,230,255,0.3); }

.dim-header   { width: 200px; }
.tf-header-cell { width: calc(50% - 100px); }
.bi-header-cell { width: calc(50% - 100px); }

/* Pros / Cons grid */
.pros-cons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 16px;
}

.pros-col, .cons-col {
    background: var(--bg-card-alt);
    border-radius: var(--radius);
    padding: 20px 22px;
    border: 1px solid var(--border);
}

/* Boxes hidden by default, revealed on hover or when one is focused */
.pc-box {
    cursor: pointer;
    position: relative;
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 0.22s, transform 0.22s, filter 0.18s, box-shadow 0.18s, border-color 0.18s;
}

.pros-cons-grid .pc-box:nth-child(2) { transition-delay: 0.05s; }
.pros-cons-grid .pc-box:nth-child(3) { transition-delay: 0.10s; }
.pros-cons-grid .pc-box:nth-child(4) { transition-delay: 0.15s; }

.pros-cons-grid:hover .pc-box,
.pros-cons-grid.has-focus .pc-box {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.pros-cons-grid:hover .pc-box:hover:not(.box-focused):not(.box-dimmed) {
    border-color: rgba(99, 102, 241, 0.4);
}

.pros-cons-grid:hover .pc-box.box-dimmed,
.pros-cons-grid.has-focus .pc-box.box-dimmed {
    opacity: 0.2;
    filter: blur(1.5px);
    pointer-events: none;
}

.pc-box.box-focused {
    transform: scale(1.04);
    z-index: 2;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(99, 102, 241, 0.5);
    border-color: rgba(99, 102, 241, 0.5);
}

.pc-heading {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tf-heading      { color: #a78bfa; }
.tf-cons-heading { color: #f87171; }
.bi-heading      { color: #50e6ff; }
.bi-cons-heading { color: #f87171; }

.pc-icon { font-style: normal; }

.pc-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pro-item, .con-item {
    font-size: 1rem;
    line-height: 1.5;
    padding-left: 16px;
    position: relative;
}

.pro-item { color: #86efac; }
.pro-item::before { content: '+'; position: absolute; left: 0; color: #4ade80; font-weight: 700; }

.con-item { color: #fca5a5; }
.con-item::before { content: '−'; position: absolute; left: 0; color: #f87171; font-weight: 700; }

/* Decision section */
.decision-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.decision-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.decision-cards {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.decision-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
}

.bicep-choice {
    background: rgba(80,230,255,0.08);
    border: 1px solid rgba(80,230,255,0.4);
    color: #50e6ff;
}

.tf-choice {
    background: rgba(123,66,188,0.12);
    border: 1px solid rgba(123,66,188,0.4);
    color: #c4b5fd;
}

.decision-icon { font-size: 1.1rem; }

/* ── Azure Bicep Diagram slide (slide 11) ──────────────────────────────── */
.azure-diagram-slide {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    background: var(--bg-card);
    border-radius: var(--radius);
    margin: 16px 20px;
    overflow: hidden;
    box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.azure-diag-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 24px 14px;
    background: var(--bg-card-alt);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.azure-diag-icon { font-size: 2rem; }

.azure-diag-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: #7ec8f7;
    line-height: 1.1;
}

.azure-diag-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.azure-diag-badges {
    margin-left: auto;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.azure-badge {
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.bicep-badge  { background: rgba(80,230,255,0.12); color: #50e6ff; border: 1px solid #50e6ff; }
.az-func-badge{ background: rgba(0,120,212,0.15);  color: #7ec8f7; border: 1px solid #0078d4; }
.cosmos-badge { background: rgba(110,64,201,0.15); color: #c4b5fd; border: 1px solid #6e40c9; }

.azure-diag-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    flex: 1;
}

.azure-svg-wrapper {
    border-right: 1px solid var(--border);
    padding: 16px;
    background: #0a0f1a;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.azure-arch-svg {
    width: 100%;
    max-width: 720px;
    display: block;
    border-radius: 8px;
}

.azure-steps {
    padding: 20px 24px;
    overflow-y: auto;
}

.azure-steps-heading {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    margin-bottom: 16px;
}

.azure-step-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.azure-step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.step-num {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.step-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.step-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.step-desc {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.55;
}

.azure-resource-tags {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.az-res-tag {
    padding: 5px 10px;
    border-radius: 6px;
    border: 1px solid;
    background: rgba(255,255,255,0.03);
    font-size: 0.78rem;
    font-family: var(--font-mono);
}

/* ── Azure Monitor slide (slide 12) ────────────────────────────────────── */
.azure-monitor-slide {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    background: var(--bg-card);
    border-radius: var(--radius);
    margin: 16px 20px;
    overflow: hidden;
    box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.monitor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 24px 12px;
    background: var(--bg-card-alt);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.monitor-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.monitor-icon { font-size: 1.6rem; }

.monitor-title {
    font-size: 1.2rem;
    font-weight: 800;
    color: #7ec8f7;
    line-height: 1.1;
}

.monitor-subtitle {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.monitor-status-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.status-badge {
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 0.72rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.status-ok    { background: rgba(74,222,128,0.1);  color: #4ade80; border: 1px solid rgba(74,222,128,0.3); }
.status-warn  { background: rgba(250,204,21,0.1);  color: #facc15; border: 1px solid rgba(250,204,21,0.3); }
.status-error { background: rgba(248,113,113,0.1); color: #f87171; border: 1px solid rgba(248,113,113,0.3); }

.monitor-input-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    background: #0a0f1a;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.monitor-input-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    font-weight: 600;
}

.monitor-text-input {
    flex: 1;
    min-width: 200px;
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-card-alt);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-family: var(--font-mono);
    outline: none;
    transition: border-color 0.2s;
}

.monitor-text-input:focus { border-color: var(--accent-blue); }

.monitor-send-btn {
    padding: 6px 18px;
    border-radius: 6px;
    border: 1px solid #0078d4;
    background: rgba(0,120,212,0.15);
    color: #7ec8f7;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s;
}

.monitor-send-btn:hover { background: rgba(0,120,212,0.3); }

.monitor-input-note {
    font-size: 0.75rem;
    color: var(--text-dim);
    font-style: italic;
}

/* Tab bar */
.monitor-tab-bar {
    display: flex;
    gap: 0;
    background: #0a0f1a;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.monitor-tab {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border: none;
    border-right: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}

.monitor-tab:hover { background: var(--bg-card-alt); color: var(--text-primary); }

.monitor-tab-active {
    background: var(--bg-card-alt);
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent-blue);
}

.tab-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

/* Panel */
.monitor-panel {
    flex: 1;
    overflow: hidden;
}

.log-panel {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.log-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: #0a0f1a;
    border-bottom: 1px solid var(--border);
    gap: 12px;
    flex-wrap: wrap;
}

.log-panel-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.log-panel-note {
    font-size: 0.75rem;
    color: var(--text-dim);
    font-style: italic;
}

.log-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
    max-height: 260px;
    background: #060b12;
}

.log-line {
    display: flex;
    gap: 10px;
    padding: 2px 16px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.6;
    border-bottom: 1px solid rgba(45,63,107,0.2);
}

.log-info  { color: #c9d1d9; }
.log-warn  { color: #facc15; background: rgba(250,204,21,0.04); }
.log-error { color: #f87171; background: rgba(248,113,113,0.05); }

.log-level {
    min-width: 40px;
    font-weight: 700;
    font-size: 0.7rem;
    opacity: 0.7;
    letter-spacing: 0.04em;
}

.log-ts {
    color: var(--text-dim);
    white-space: nowrap;
    min-width: 155px;
}

.log-msg { flex: 1; }

/* Blob / Cosmos table */
.blob-table-wrapper {
    overflow-x: auto;
    max-height: 260px;
    overflow-y: auto;
    background: #060b12;
}

.blob-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

.blob-table thead th {
    padding: 8px 14px;
    text-align: left;
    background: #0a0f1a;
    border-bottom: 1px solid var(--border);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-muted);
    position: sticky;
    top: 0;
}

.blob-table td {
    padding: 7px 14px;
    border-bottom: 1px solid rgba(45,63,107,0.3);
    vertical-align: middle;
}

.blob-name { color: #7ec8f7; }
.blob-size { color: var(--text-dim); text-align: right; }
.blob-ts   { color: var(--text-dim); white-space: nowrap; }

.blob-status {
    padding: 2px 8px;
    border-radius: 8px;
    font-size: 0.72rem;
    font-weight: 600;
    background: rgba(74,222,128,0.1);
    color: #4ade80;
    border: 1px solid rgba(74,222,128,0.3);
}

.cosmos-table .cosmos-id { color: #a855f7; }
.cosmos-table .cosmos-text { color: #e0e6ff; }

.cosmos-query-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: #0a0f1a;
    border-top: 1px solid var(--border);
    flex-wrap: wrap;
}

.cosmos-query-label {
    font-size: 0.75rem;
    color: var(--text-dim);
    white-space: nowrap;
}

.cosmos-query {
    font-size: 0.78rem;
    color: #c4b5fd;
    font-family: var(--font-mono);
}

.log-footer {
    padding: 7px 16px;
    background: #0a0f1a;
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--text-dim);
}

.log-footer code {
    font-family: var(--font-mono);
    color: #7ec8f7;
    font-size: 0.75rem;
}

.log-footer-note { line-height: 1.6; }

/* Guide section */
.monitor-guide {
    padding: 14px 24px 18px;
    border-top: 1px solid var(--border);
    background: var(--bg-card-alt);
}

.guide-heading {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
    margin-bottom: 10px;
}

.guide-list {
    padding-left: 18px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.guide-list li {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    line-height: 1.55;
}

/* ── Responsive adjustments for new slides ─────────────────────────────── */
@media (max-width: 1000px) {
    .azure-diag-body {
        grid-template-columns: 1fr;
    }
    .azure-svg-wrapper {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}

/* ── Scrollbar styling ─────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .slide-body {
        grid-template-columns: 1fr;
    }

    .aspects-col {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .pros-cons-grid {
        grid-template-columns: 1fr 1fr;
    }

    .slide { margin: 8px 10px; }
}

@media (max-width: 600px) {
    .slide-nav { gap: 8px; }
    .slide-nav-btn { padding: 6px 12px; font-size: 12px; }
    .slide-dots { display: none; }
    .tool-slide { margin: 8px 6px; }
    .slide-header { padding: 12px 14px 10px; }
    .aspects-col, .diagram-col { padding: 12px 14px; }
    .code-section { padding: 0 14px 14px; }
    .pros-cons-grid { grid-template-columns: 1fr; }
    .comparison-slide { padding: 12px 12px 16px; }
}