/* ============================================================
   Introduction to Pathology Informatics — Lecture Styles
   Bauhaus-influenced: geometric, functional, strong hierarchy.
   NOTE: Reveal.js uses a fixed 1200×700 canvas with CSS transform
   scaling — use px/em, NOT vw/vh.
   ============================================================ */

/* ─── PALETTE ─────────────────────────────────────────────── */
:root {
    --ip: #0e6e8c;
    --is: #2980b9;
    --ia: #1d8348;
    --ih: #d4a017;
    --id: #c0392b;
    --im: #7f8c8d;
    --ibg: #f7f8fa;
    --irad: 5px;
    --ishadow: 0 2px 6px rgba(0,0,0,0.06);
}

/* ─── GLOBAL ──────────────────────────────────────────────── */
.intro-slide,
.title-slide,
.qa-slide {
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.intro-slide {
    text-align: left;
    padding: 24px 40px !important;
    position: relative;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: 100%;
}

/* ─── TYPOGRAPHY (px for 1200×700 canvas — projection-sized) ─ */
.intro-slide h2,
.reveal .intro-slide h2 {
    font-size: 34px !important;
    font-weight: 700;
    color: var(--ip);
    letter-spacing: -0.02em;
    margin: 0 0 14px 0;
    padding-bottom: 6px;
    border-bottom: 3px solid var(--is);
    display: inline-block;
    line-height: 1.2;
}

.intro-slide p,
.reveal .intro-slide p {
    font-size: 22px;
    line-height: 1.45;
    color: #3a4a5c;
    margin-bottom: 8px;
}

/* ── List reset: kill theme.css bullets, own our own ────────── */
.reveal .intro-slide ul,
.reveal .intro-slide ol {
    list-style: none;
    margin: 0 0 8px 0;
    padding-left: 0;
}

.reveal .intro-slide ul li,
.reveal .intro-slide ol li {
    font-size: 26px !important;
    line-height: 1.45;
    margin-bottom: 8px;
    padding-left: 36px;
    position: relative;
    color: #2c3e50;
}

/* Override theme.css .reveal ul li:before with higher specificity */
.reveal .intro-slide ul li:before,
.reveal .intro-slide ul li::before {
    content: "\2022" !important;   /* bullet • */
    position: absolute !important;
    left: 8px !important;
    color: var(--is) !important;
    font-weight: 700 !important;
    font-size: 26px !important;
}

.reveal .intro-slide ol li:before,
.reveal .intro-slide ol li::before {
    content: none !important;  /* numbered lists use native numbers */
}
.reveal .intro-slide ol {
    list-style: decimal;
    padding-left: 36px;
}

/* Utility classes */
.slide-subtitle {
    font-size: 22px !important;
    color: #556270;
    margin-bottom: 10px !important;
    line-height: 1.4;
}
.slide-note {
    font-size: 18px !important;
    color: var(--im);
    font-style: italic;
    margin-top: 8px;
    line-height: 1.4;
}

/* Takeaway accent — pinned to slide bottom */
.takeaway-accent {
    position: absolute;
    bottom: 24px;
    left: 40px;
    right: 40px;
    background: #eef6ee;
    border-left: 3px solid var(--ia);
    border-radius: 0 var(--irad) var(--irad) 0;
    padding: 10px 16px;
    font-size: 20px;
    text-align: left;
    line-height: 1.4;
    color: #2c3e50;
    z-index: 2;
}
.takeaway-accent strong { color: var(--ia); }

/* Fragment list — animation only, layout handled by list rules above */
.fragment-list .fragment { opacity: 0; transition: opacity 0.4s ease, transform 0.4s ease; transform: translateY(4px); }
.fragment-list .fragment.visible { opacity: 1; transform: translateY(0); }

/* ─── BADGE OVERLAY — lives OUTSIDE the slide, on the page ── */
.badge-overlay {
    position: fixed;
    top: 12px;
    left: 12px;
    padding: 3px 12px;
    border-radius: 3px;
    font-family: 'Inter', 'Helvetica Neue', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    z-index: 100;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: #fff;
    background: #2c3e50;
}
.badge-overlay--visible { opacity: 1; }
.badge-overlay--workflow    { background: var(--is); }
.badge-overlay--automation  { background: var(--ia); }
.badge-overlay--data        { background: var(--ih); }
.badge-overlay--ecosystem   { background: #7d3c98; }
.badge-overlay--ai          { background: var(--id); }
.badge-overlay--interactive { background: #2c3e50; }

/* ─── TITLE SLIDE ─────────────────────────────────────────── */
.title-slide {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(160deg, #1a2e44 0%, #2c3e50 60%, #1a2e44 100%) !important;
    color: white;
}
.title-slide .title-content { position: relative; z-index: 2; max-width: 85%; }
.title-slide .animate-title,
.reveal .title-slide h1 {
    font-size: 44px !important;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 8px;
    text-shadow: none;
    color: #fff !important;
    border-bottom: none;
    opacity: 0; animation: bh-fadeDown 0.8s ease forwards 0.4s;
}
.title-slide .animate-subtitle,
.reveal .title-slide h3 {
    font-size: 24px !important;
    font-weight: 300;
    letter-spacing: 0.02em;
    color: rgba(255,255,255,0.8) !important;
    border-bottom: none;
    margin-bottom: 30px;
    opacity: 0; animation: bh-fadeUp 0.8s ease forwards 1s;
}
.title-slide .presenter-box {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--irad);
    padding: 12px 28px;
    margin-top: 10px;
    opacity: 0; animation: bh-fadeIn 0.8s ease forwards 1.5s;
}
.title-slide .presenter-box p {
    margin: 0; font-size: 20px; color: rgba(255,255,255,0.9);
}
.title-slide::after {
    content: "";
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--is), var(--ia), var(--ih));
}
.slide-background-overlay { display: none; }

@keyframes bh-fadeDown { from { opacity:0; transform:translateY(-20px); } to { opacity:1; transform:translateY(0); } }
@keyframes bh-fadeUp   { from { opacity:0; transform:translateY(20px); }  to { opacity:1; transform:translateY(0); } }
@keyframes bh-fadeIn   { from { opacity:0; } to { opacity:1; } }

/* ─── Q&A SLIDE ───────────────────────────────────────────── */
.qa-slide {
    position: relative;
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    text-align: center;
    color: #f0f4f8 !important;
}
.qa-slide::after {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 4px;
    background: linear-gradient(90deg, var(--is), var(--ia), var(--ih));
}
.qa-slide .qa-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 50px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--irad);
    backdrop-filter: blur(6px);
    box-shadow: none;
}
.qa-slide .qa-icon { margin-bottom: 20px; opacity: 0.9; }
.qa-slide .qa-icon svg { stroke: rgba(255,255,255,0.85); }
.qa-slide .qa-text {
    font-size: 36px !important;
    font-weight: 700;
    color: #fff !important;
    margin-bottom: 16px;
    line-height: 1.3;
}
.qa-slide .contact-info {
    margin-top: 16px;
    padding: 12px 28px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--irad);
}
.qa-slide .contact-info p {
    color: rgba(255,255,255,0.75) !important;
    font-size: 22px;
    margin: 0;
}

/* ─── TWO-COLUMN LAYOUT ───────────────────────────────────── */
.content-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: 100%;
    margin-top: 4px;
}
.content-columns .left-column,
.content-columns .right-column { min-width: 0; }

.info-box {
    background: #fff;
    border-radius: var(--irad);
    padding: 14px;
    box-shadow: var(--ishadow);
    height: 100%;
    border-top: 3px solid var(--is);
}
.info-box h3,
.reveal .info-box h3 {
    font-size: 22px !important;
    color: var(--ip);
    margin: 0 0 8px 0;
    padding-bottom: 4px;
    border-bottom: 1px solid #eaedf0;
}
.reveal .info-box ul li {
    font-size: 20px !important;
    margin-bottom: 5px !important;
    line-height: 1.4 !important;
    padding-left: 28px !important;
}
.reveal .info-box ul li:before,
.reveal .info-box ul li::before {
    content: "\2022" !important;
    position: absolute !important;
    left: 4px !important;
    color: var(--is) !important;
    font-size: 20px !important;
}

.highlight-box {
    background: #eef6fc;
    border-top-color: var(--ih);
}

/* ─── COMPARISON GRID ─────────────────────────────────────── */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    width: 100%;
}
.comparison-col {
    background: #fff;
    border-radius: var(--irad);
    padding: 14px;
    box-shadow: var(--ishadow);
}
.comparison-col h3,
.reveal .comparison-col h3 {
    font-size: 22px !important;
    margin: 0 0 6px 0;
    padding-bottom: 4px;
    border-bottom: 2px solid;
}
.comparison-col.good { border-top: 3px solid var(--ia); }
.comparison-col.good h3 { border-color: var(--ia); color: var(--ia); }
.comparison-col.bad  { border-top: 3px solid var(--id); }
.comparison-col.bad h3  { border-color: var(--id); color: var(--id); }
.reveal .comparison-col ul li {
    font-size: 20px !important;
    margin-bottom: 5px;
    padding-left: 28px !important;
}
.reveal .comparison-col ul li:before,
.reveal .comparison-col ul li::before {
    content: "\2022" !important;
    position: absolute !important;
    left: 4px !important;
    font-size: 20px !important;
}

/* ─── SCENARIO CARD (inline micro-case) ───────────────────── */
.scenario-card {
    background: var(--ibg);
    border-left: 3px solid var(--is);
    border-radius: 0 var(--irad) var(--irad) 0;
    padding: 10px 16px;
    margin: 8px 0;
    font-size: 20px;
    text-align: left;
    line-height: 1.45;
}
.scenario-card strong { color: var(--ip) !important; }

/* ─── TAKEAWAY CARDS (final slide) ────────────────────────── */
.takeaway-card {
    background: #fff;
    border-radius: var(--irad);
    padding: 12px 16px 12px 48px;
    margin-bottom: 10px;
    box-shadow: var(--ishadow);
    position: relative;
    font-size: 22px;
    text-align: left;
    line-height: 1.4;
    transition: transform 0.2s ease;
    border-left: 3px solid var(--is);
}
.takeaway-card:hover { transform: translateX(4px); }
.takeaway-card .takeaway-num {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--is);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

/* CTA box */
.cta-box {
    background: var(--ibg);
    border: 1.5px solid var(--is);
    border-radius: var(--irad);
    padding: 12px 16px;
    margin-top: 10px;
    font-size: 20px;
    text-align: left;
    line-height: 1.4;
}

/* ─── POLL WIDGET ─────────────────────────────────────────── */
.poll-container { max-width: 100%; }
.poll-prompt {
    font-size: 22px !important;
    color: #555 !important;
    margin-bottom: 12px !important;
}
.poll-option {
    display: flex;
    align-items: center;
    padding: 7px 14px;
    margin-bottom: 4px;
    background: #fff;
    border: 1.5px solid #e0e5eb;
    border-radius: var(--irad);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 20px;
    position: relative;
    overflow: hidden;
}
.poll-option:hover { border-color: var(--is); background: rgba(41,128,185,0.03); }
.poll-option.selected { border-color: var(--is); background: rgba(41,128,185,0.06); }
.poll-option .poll-bar {
    position: absolute; left: 0; top: 0; height: 100%;
    background: rgba(41,128,185,0.1);
    transition: width 0.5s cubic-bezier(0.25,0.46,0.45,0.94);
    z-index: 0;
}
.poll-option .poll-label { position: relative; z-index: 1; flex: 1; }
.poll-option .poll-count {
    position: relative; z-index: 1; font-weight: 700;
    color: var(--is); min-width: 28px; text-align: right;
}
.poll-reset {
    display: inline-block; margin-top: 8px;
    padding: 5px 16px; background: transparent;
    border: 1px solid var(--im); border-radius: var(--irad);
    color: var(--im); cursor: pointer;
    font-size: 15px; transition: all 0.2s;
}
.poll-reset:hover { border-color: var(--id); color: var(--id); }

/* ─── MICRO-CASE VOTE ─────────────────────────────────────── */
.vote-options {
    display: flex; gap: 10px;
    justify-content: center; flex-wrap: wrap;
    margin: 12px 0;
}
.vote-btn {
    padding: 10px 22px;
    border: 1.5px solid #e0e5eb;
    border-radius: var(--irad);
    background: #fff; cursor: pointer;
    font-size: 20px;
    font-weight: 600; transition: all 0.2s;
}
.vote-btn:hover { border-color: var(--is); transform: translateY(-1px); }
.vote-btn.voted { background: var(--is); color: #fff; border-color: var(--is); }

.vote-reveal {
    max-height: 0; overflow: hidden;
    transition: max-height 0.5s ease, opacity 0.5s ease;
    opacity: 0;
}
.vote-reveal.shown { max-height: 500px; opacity: 1; }

.reveal-btn {
    display: inline-block; margin-top: 10px;
    padding: 8px 22px; background: var(--ia); color: #fff;
    border: none; border-radius: var(--irad); cursor: pointer;
    font-size: 18px; font-weight: 600;
    transition: background 0.2s;
}
.reveal-btn:hover { background: #166d3b; }

/* ─── TIMER ───────────────────────────────────────────────── */
.timer-container {
    display: flex; flex-direction: column;
    align-items: center; gap: 10px;
}
.timer-display {
    font-size: 56px;
    font-weight: 700; font-variant-numeric: tabular-nums;
    color: var(--ip); background: #fff;
    border-radius: var(--irad);
    padding: 14px 40px;
    box-shadow: var(--ishadow);
    min-width: 160px; text-align: center;
}
.timer-display.warning { color: var(--ih); }
.timer-display.expired { color: var(--id); animation: bh-pulse 1s infinite; }
@keyframes bh-pulse { 0%,100% { opacity:1; } 50% { opacity:0.6; } }

.timer-controls { display: flex; gap: 8px; }
.timer-btn {
    padding: 8px 20px; border: none;
    border-radius: var(--irad); cursor: pointer;
    font-size: 18px; font-weight: 600;
    transition: all 0.2s;
}
.timer-start { background: var(--ia); color: #fff; }
.timer-start:hover { background: #166d3b; }
.timer-reset-btn { background: #e8ecf0; color: #555; }
.timer-reset-btn:hover { background: #d5dae0; }

/* ─── D3 VISUALIZATIONS ───────────────────────────────────── */
.viz-container {
    width: 100%;
    margin: 6px auto;
    display: flex; justify-content: center; align-items: center;
}
.viz-container svg { max-width: 100%; }
.pipeline-phase { transition: opacity 0.6s ease; }
.pipeline-step  { transition: all 0.3s ease; cursor: default; }
.pipeline-step:hover { filter: brightness(1.05); }
.layer-box  { transition: all 0.4s ease; cursor: default; }
.eco-node   { cursor: pointer; transition: all 0.3s ease; }
.eco-node:hover { filter: brightness(1.12); }
.eco-link   { stroke: #bdc3c7; stroke-width: 1.5; }
.maturity-level { transition: all 0.5s ease; cursor: default; }

/* ─── WORKSHOP CHECKLIST ──────────────────────────────────── */
.checklist-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: 100%;
}
.checklist-group {
    background: #fff;
    border-radius: var(--irad);
    padding: 10px;
    box-shadow: var(--ishadow);
    border-top: 3px solid var(--is);
}
.checklist-group h4,
.reveal .checklist-group h4 {
    font-size: 19px !important;
    color: var(--ip) !important;
    margin: 0 0 6px 0;
    padding-bottom: 3px;
    border-bottom: 1px solid #eaedf0;
    font-weight: 700;
}
.checklist-group ol { margin: 0; padding-left: 18px; }
.reveal .checklist-group ol li {
    font-size: 16px !important;
    margin-bottom: 4px; line-height: 1.4;
    padding-left: 0 !important;
}
.reveal .checklist-group ol li:before,
.reveal .checklist-group ol li::before {
    content: none !important;
}

/* ─── SNIPPET CARDS ───────────────────────────────────────── */
.snippet-cards {
    display: flex; gap: 12px;
    justify-content: center; flex-wrap: wrap;
    margin: 8px 0;
}
.snippet-card {
    background: #fff;
    border: 1.5px solid #e0e5eb;
    border-radius: var(--irad);
    padding: 12px 14px;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 18px;
    flex: 1 1 240px; max-width: 360px;
    text-align: left; position: relative;
    transition: border-color 0.2s;
    box-shadow: var(--ishadow);
}
.snippet-card:hover { border-color: var(--ih); }
.snippet-card .snippet-num {
    position: absolute; top: -8px; left: 10px;
    background: var(--ih); color: #fff;
    font-family: 'Inter', sans-serif;
    font-size: 11px; font-weight: 700;
    width: 18px; height: 18px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}

/* ─── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 900px) {
    .comparison-grid, .checklist-grid, .content-columns { grid-template-columns: 1fr; }
    .snippet-cards { flex-direction: column; align-items: center; }
}