@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;700;800;900&family=DM+Mono:wght@400;500&display=swap');

:root {
    --bg: #071014;
    --bg-2: #0b1820;
    --panel: rgba(21, 30, 37, 0.78);
    --panel-strong: rgba(24, 35, 43, 0.94);
    --surface: rgba(18, 27, 35, 0.94);
    --surface-2: rgba(11, 22, 30, 0.96);
    --line: rgba(108, 255, 205, 0.16);
    --line-strong: rgba(80, 236, 188, 0.32);
    --text: #f6fbff;
    --muted: #b8c7d4;
    --muted-2: #8fa2b4;
    --accent: #55e6ae;
    --accent-2: #64caff;
    --accent-3: #a98bff;
    --warn: #ffb24a;
    --bad: #ef5e6a;
    --good: #46c97a;
    --soft: #d8e5ef;
    --grad-main: linear-gradient(135deg, #55e6ae 0%, #64caff 58%, #a98bff 100%);
    --grad-soft: linear-gradient(135deg, rgba(85, 230, 174, 0.16), rgba(100, 202, 255, 0.10) 58%, rgba(169, 139, 255, 0.10));
    --shadow: 0 28px 90px rgba(0, 0, 0, 0.42), 0 10px 34px rgba(19, 217, 166, 0.08);
    --card-shadow: 0 18px 46px rgba(0, 0, 0, 0.24);
    --radius: 22px;
}

* { box-sizing: border-box; min-width: 0; }
html, body { margin: 0; min-height: 100%; max-width: 100%; overflow-x: hidden; }
body {
    font-family: "DM Sans", Inter, "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 18% 12%, rgba(85, 230, 174, 0.16), transparent 30%),
        radial-gradient(circle at 82% 18%, rgba(100, 202, 255, 0.13), transparent 32%),
        radial-gradient(circle at 55% 100%, rgba(169, 139, 255, 0.10), transparent 34%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

a { color: var(--accent-2); }
button, input, textarea, select { font: inherit; }

.slide-container {
    width: 100%;
    max-width: 100vw;
    height: 100svh;
    min-height: 100svh;
    position: relative;
    perspective: 1000px;
    overflow: hidden;
}

.slide {
    position: absolute;
    inset: 0;
    width: 100%;
    max-width: 100%;
    height: 100svh;
    min-height: 100svh;
    padding: clamp(40px, 4vh, 58px) clamp(28px, 4vw, 76px) 112px;
    display: none;
    opacity: 0;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) rgba(11, 22, 30, .9);
    background:
        radial-gradient(circle at 26% 18%, rgba(85, 230, 174, 0.12), transparent 31%),
        radial-gradient(circle at 82% 20%, rgba(100, 202, 255, 0.10), transparent 30%),
        linear-gradient(180deg, rgba(7,16,20,0.98) 0%, rgba(8,18,24,0.99) 100%);
}
.slide::-webkit-scrollbar { width: 8px; }
.slide::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 4px; }
.slide.active {
    display: block;
    animation: slideIn .55s cubic-bezier(.4, 0, .2, 1) forwards;
}
.slide.fit-tight {
    padding-top: clamp(28px, 2.8vh, 42px);
    padding-bottom: 92px;
}
.slide.fit-tight .content-wrapper {
    min-height: auto;
    justify-content: flex-start;
    padding-top: clamp(60px, 7vh, 92px);
}
.slide.fit-tight h2 {
    font-size: clamp(30px, 2.85vw, 58px);
    margin-bottom: clamp(12px, 1.4vh, 20px);
}
.slide.fit-tight .chip {
    margin-bottom: clamp(10px, 1.2vh, 16px);
}
.slide.fit-tight .grid-2,
.slide.fit-tight .grid-3,
.slide.fit-tight .grid-4,
.slide.fit-tight .grid-auto,
.slide.fit-tight .timeline {
    gap: clamp(16px, 1.45vw, 26px);
    margin-top: clamp(16px, 1.8vh, 26px);
}
.slide.fit-tight .card,
.slide.fit-tight .feature-card,
.slide.fit-tight .highlight-box,
.slide.fit-tight .activity-card {
    padding: clamp(20px, 1.75vw, 34px);
}
.slide.fit-tight table {
    margin-top: clamp(10px, 1.2vh, 16px);
}
.slide.fit-tight th,
.slide.fit-tight td {
    padding: clamp(9px, .95vh, 14px) clamp(14px, .95vw, 20px);
    font-size: clamp(14px, .92vw, 19px);
    line-height: 1.36;
}
.slide.fit-scroll .content-wrapper {
    padding-bottom: 96px;
}
.slide.fit-spacious .content-wrapper {
    justify-content: center;
}
.slide.fit-spacious .grid-2,
.slide.fit-spacious .grid-3,
.slide.fit-spacious .grid-4,
.slide.fit-spacious .grid-auto {
    gap: clamp(28px, 2.4vw, 48px);
}
.slide.fit-spacious .grid-2 > :is(.card, .feature-card, .activity-card, .highlight-box, .scenario-card),
.slide.fit-spacious .grid-3 > :is(.card, .feature-card, .activity-card, .highlight-box, .scenario-card) {
    min-height: clamp(300px, 34vh, 440px);
}
.slide.fit-spacious .grid-4 > :is(.card, .feature-card, .activity-card, .highlight-box, .scenario-card) {
    min-height: clamp(230px, 27vh, 340px);
}
.slide.fit-spacious .grid-2 > :is(.card, .feature-card, .activity-card, .highlight-box, .scenario-card) p,
.slide.fit-spacious .grid-3 > :is(.card, .feature-card, .activity-card, .highlight-box, .scenario-card) p,
.slide.fit-spacious .grid-4 > :is(.card, .feature-card, .activity-card, .highlight-box, .scenario-card) p {
    font-size: clamp(21px, 1.28vw, 31px);
}
@keyframes slideIn {
    from { opacity: 1; transform: translateX(22px); }
    to { opacity: 1; transform: translateX(0); }
}
.slide::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 72px 72px;
    opacity: .22;
}
.slide::after {
    content: "";
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    height: 6px;
    pointer-events: none;
    background: var(--grad-main);
    opacity: .98;
}
@keyframes particleFloat {
    0%, 100% { background-position: 0 0, 100% 100%, 50% 50%; }
    50% { background-position: 90% 80%, 0 10%, 80% 20%; }
}

.content-wrapper {
    position: relative;
    z-index: 1;
    width: min(86vw, 1580px);
    max-width: 100%;
    margin: 0 auto;
    min-height: calc(100svh - 164px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 0;
}
.slide .content-wrapper:has(table) {
    min-height: auto;
    justify-content: flex-start;
    padding-top: clamp(72px, 9vh, 118px);
}
.slide .content-wrapper:has(table) h2 {
    margin-bottom: clamp(16px, 2vh, 28px);
}
.slide .content-wrapper:has(table) .chip {
    margin-bottom: clamp(14px, 1.6vh, 20px);
}

.chip {
    display: inline-flex;
    align-self: flex-start;
    align-items: center;
    gap: 8px;
    width: fit-content;
    max-width: 100%;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    background: rgba(20, 31, 38, .86);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
    color: var(--accent);
    font-family: "DM Mono", "Cascadia Mono", Consolas, monospace;
    font-size: clamp(10px, .7vw, 13px);
    letter-spacing: .12em;
    text-transform: uppercase;
    font-weight: 800;
    margin-bottom: 20px;
}

h1, h2, h3, h4 { margin: 0; }
h1, .hero-title {
    font-family: "DM Sans", Inter, "Segoe UI", Arial, sans-serif;
    font-size: clamp(46px, 5vw, 92px);
    line-height: .95;
    letter-spacing: -.055em;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 26px;
    text-wrap: balance;
    overflow-wrap: anywhere;
}
h2 {
    font-family: "DM Sans", Inter, "Segoe UI", Arial, sans-serif;
    font-size: clamp(32px, 3.25vw, 64px);
    line-height: 1.02;
    letter-spacing: -.045em;
    font-weight: 800;
    color: var(--text);
    margin-bottom: clamp(12px, 1.5vmin, 22px);
    text-wrap: balance;
    overflow-wrap: anywhere;
}
h3 {
    font-family: "DM Mono", "Cascadia Mono", monospace;
    font-size: clamp(11px, .82vw, 15px);
    letter-spacing: .13em;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: clamp(10px, 1.2vmin, 16px);
}
h4 {
    font-family: "DM Sans", Inter, "Segoe UI", Arial, sans-serif;
    font-size: clamp(17px, 1.08vw, 22px);
    line-height: 1.22;
    letter-spacing: 0;
    font-weight: 700;
    color: var(--text);
    margin-bottom: clamp(7px, .8vmin, 12px);
}
p, li, td, th {
    font-family: "DM Sans", Inter, "Segoe UI", Arial, sans-serif;
    font-size: clamp(15px, 1vw, 21px);
    line-height: 1.48;
    color: var(--muted);
    font-weight: 400;
    overflow-wrap: anywhere;
}
ul, ol { padding-left: 24px; }
.lead {
    max-width: 1120px;
    color: var(--muted);
    font-size: clamp(20px, 1.28vw, 27px);
    line-height: 1.45;
    font-weight: 700;
}
.micro { color: var(--muted-2); font-size: .95rem; }
.big {
    font-family: "DM Sans", Inter, "Segoe UI", Arial, sans-serif;
    font-size: clamp(34px, 3.8vw, 76px);
    line-height: 1.1;
    font-weight: 800;
    color: var(--text);
}

.grid-2, .grid-3, .grid-4, .grid-auto {
    display: grid;
    gap: clamp(22px, 2vw, 38px);
    margin-top: clamp(28px, 3vh, 42px);
}
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.slide .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); }
.grid-2 + .highlight-box,
.grid-3 + .highlight-box,
.grid-4 + .highlight-box,
.grid-auto + .highlight-box {
    margin-top: clamp(18px, 1.8vw, 32px);
}

.card, .feature-card, .highlight-box, .activity-card, .resource-card, .quiz-card, .scenario-card {
    background: linear-gradient(180deg, rgba(25, 35, 43, 0.92), rgba(17, 27, 35, 0.96));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(28px, 2.45vw, 48px);
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: clamp(10px, 1.2vh, 20px);
    transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.slide :is(.card, .feature-card, .activity-card, .highlight-box, .time-node, .scenario-card) h3 {
    font-family: "DM Sans", Inter, "Segoe UI", Arial, sans-serif;
    font-size: clamp(22px, 1.45vw, 36px);
    line-height: 1.12;
    letter-spacing: -.025em;
    text-transform: none;
    color: var(--text);
    font-weight: 800;
    margin-bottom: clamp(6px, .8vh, 12px);
}
.slide :is(.card, .feature-card, .activity-card, .highlight-box, .time-node, .scenario-card) p,
.slide :is(.card, .feature-card, .activity-card, .highlight-box, .time-node, .scenario-card) li {
    font-size: clamp(19px, 1.18vw, 28px);
    line-height: 1.48;
}
.slide :is(.highlight-box, .time-node) h3 {
    color: var(--accent);
}
.card:hover, .feature-card:hover, .activity-card:hover, .resource-card:hover, .scenario-card:hover {
    transform: translateY(-4px);
    border-color: rgba(85, 230, 174, 0.34);
    box-shadow: 0 22px 58px rgba(0, 0, 0, .32);
}
.slide .grid-2 > :is(.card, .feature-card, .activity-card, .highlight-box, .scenario-card),
.slide .grid-3 > :is(.card, .feature-card, .activity-card, .highlight-box, .scenario-card),
.slide .grid-auto > :is(.card, .feature-card, .activity-card, .highlight-box, .scenario-card) {
    min-height: clamp(220px, 27vh, 360px);
}
.slide .grid-4 > :is(.card, .feature-card, .activity-card, .highlight-box, .scenario-card) {
    min-height: clamp(190px, 22vh, 285px);
}
.highlight-box {
    border-left: 5px solid var(--accent);
    box-shadow: var(--card-shadow);
}
.warning { border-left-color: var(--warn); }
.risk { border-left-color: var(--bad); }
.success { border-left-color: var(--good); }
.feature-card { border-top: 4px solid var(--accent); }
.feature-card.blue { border-top-color: var(--accent-2); }
.feature-card.purple { border-top-color: var(--accent-3); }
.feature-card.warn { border-top-color: var(--warn); }
.feature-card.risk { border-top-color: var(--bad); }
.feature-card.success { border-top-color: var(--good); }

.kpi {
    font-size: clamp(2rem, 3vw, 4.4rem);
    color: var(--accent);
    font-weight: 800;
    line-height: 1;
}
.timeline {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-top: 28px;
}
.time-node {
    position: relative;
    padding: 22px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(25, 35, 43, 0.92), rgba(17, 27, 35, 0.96));
    border: 1px solid var(--line);
    box-shadow: var(--card-shadow);
}
.time-node strong { display: block; color: var(--accent); margin-bottom: 8px; }

table {
    width: 100%;
    min-width: 100%;
    max-width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    margin-top: 22px;
    overflow: hidden;
    border-radius: 16px;
    background: rgba(17, 27, 35, .92);
    border: 1px solid var(--line);
    box-shadow: var(--card-shadow);
}
th, td {
    padding: clamp(16px, 1.8vh, 24px) clamp(16px, 1.15vw, 24px);
    border: 1px solid rgba(108,255,205,.12);
    text-align: left;
    vertical-align: top;
}
th {
    background: #16342f;
    color: var(--accent);
    font-family: "DM Mono", "Cascadia Mono", monospace;
    letter-spacing: .11em;
    text-transform: uppercase;
    font-weight: 500;
}
.slide table {
    margin-top: clamp(14px, 1.8vh, 22px);
}
.slide th,
.slide td {
    padding: clamp(12px, 1.2vh, 18px) clamp(16px, 1.05vw, 24px);
}
.slide .content-wrapper:has(table) .highlight-box {
    margin-top: clamp(12px, 1.5vh, 20px);
    padding: clamp(22px, 1.8vw, 36px);
    min-height: auto;
}
.slide .content-wrapper:has(table) .highlight-box p {
    font-size: clamp(18px, 1.08vw, 25px);
}
th:nth-child(2n) { background: #142f3a; }
th:nth-child(3n) { background: #182b39; }
tr { width: 100%; }

.navigation {
    position: fixed;
    top: 24px;
    right: 24px;
    max-width: calc(100vw - 48px);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 18px;
    border-radius: 999px;
    background: rgba(7, 16, 20, .72);
    border: 1px solid rgba(85,230,174,.18);
    box-shadow: 0 14px 36px rgba(0,0,0,.26);
    backdrop-filter: blur(18px);
}
.navigation button, .tool-btn, .copy-btn, .toggle-btn, .tab-btn, .quiz-option, .classify-btn {
    border: 1px solid var(--line);
    background: rgba(25, 35, 43, .88);
    color: var(--text);
    border-radius: 999px;
    padding: 10px 15px;
    font-family: "DM Mono", "Cascadia Mono", monospace;
    font-size: clamp(10px, .7vw, 13px);
    letter-spacing: .1em;
    text-transform: uppercase;
    font-weight: 800;
    cursor: pointer;
    transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.navigation button:hover, .tool-btn:hover, .copy-btn:hover, .toggle-btn:hover, .tab-btn:hover, .quiz-option:hover, .classify-btn:hover {
    transform: translateY(-2px);
    color: var(--accent);
    background: rgba(33, 46, 56, .96);
    border-color: rgba(85,230,174,.34);
}
.navigation button:disabled { opacity: .42; cursor: not-allowed; transform: none; }
.progress-bar {
    width: 170px;
    height: 8px;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(216,229,239,.10);
}
.progress-fill {
    width: 0%;
    height: 100%;
    border-radius: 999px;
    background: var(--grad-main);
    transition: width .3s ease;
}
.slide-number {
    font-family: "DM Mono", "Cascadia Mono", monospace;
    color: var(--muted);
    min-width: 70px;
    text-align: center;
    font-weight: 400;
    font-size: clamp(11px, .7vw, 13px);
    letter-spacing: .1em;
}
.slide-num {
    position: fixed;
    left: 28px;
    bottom: 24px;
    z-index: 30;
    color: var(--muted-2);
    font-family: "DM Mono", "Cascadia Mono", monospace;
    font-size: clamp(10px, .66vw, 13px);
    letter-spacing: .14em;
}

.title-slide {
    display: none;
    align-items: center;
}
.title-slide.active { display: flex; }
.title-slide .content-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 30px;
    max-width: min(86vw, 1320px);
    padding-top: 0;
}
.hero-panel {
    min-height: 420px;
    border-radius: 32px;
    background:
        var(--grad-soft),
        repeating-linear-gradient(90deg, rgba(108,255,205,.09) 0 1px, transparent 1px 42px),
        repeating-linear-gradient(0deg, rgba(100,202,255,.07) 0 1px, transparent 1px 42px),
        rgba(12, 24, 31, .78);
    border: 1px solid rgba(85,230,174,.20);
    box-shadow: var(--shadow);
    padding: 34px;
    display: grid;
    align-content: end;
}
.title-actions,
.deck-title-grid {
    width: 100%;
    margin-top: clamp(30px, 5vh, 58px);
}
.title-actions .feature-card,
.deck-title-grid .feature-card {
    min-height: 190px;
}
.title-actions h3,
.deck-title-grid h3 {
    font-family: "DM Sans", Inter, "Segoe UI", Arial, sans-serif;
    font-size: clamp(22px, 1.7vw, 34px);
    line-height: 1.1;
    letter-spacing: -.03em;
    text-transform: none;
    color: var(--text);
    font-weight: 800;
}
.hero-panel .mini-stack {
    display: grid;
    gap: 14px;
}
.signal-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    align-items: center;
    padding: 14px;
    border-radius: 16px;
    background: rgba(7, 16, 20, .58);
    border: 1px solid var(--line);
}

.deck-index {
    position: fixed;
    left: 24px;
    top: 24px;
    z-index: 900;
}
.index-panel {
    display: none;
    position: fixed;
    left: 24px;
    top: 76px;
    width: min(430px, calc(100vw - 48px));
    max-height: 72vh;
    overflow: auto;
    padding: 14px;
    border-radius: 20px;
    background: rgba(7, 16, 20, .94);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}
.index-panel.open { display: block; }
.index-item {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 12px;
    align-items: start;
    width: 100%;
    text-align: left;
    margin: 6px 0;
    border-radius: 14px;
    padding: 12px;
}
.index-item.current { border-color: var(--accent); background: var(--grad-soft); }
.index-item span:first-child { color: var(--accent); font-family: "DM Mono", "Cascadia Mono", Consolas, monospace; }

.quiz, .interactive-panel {
    display: grid;
    gap: 16px;
    margin-top: 22px;
}
.question {
    padding: 18px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(25, 35, 43, 0.92), rgba(17, 27, 35, 0.96));
    box-shadow: var(--card-shadow);
}
.option-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 12px;
}
.quiz-option.correct { background: rgba(70,201,122,.15); border-color: var(--good); }
.quiz-option.incorrect { background: rgba(239,94,106,.13); border-color: var(--bad); }
.feedback { display: none; margin-top: 12px; color: var(--muted); }
.feedback.show { display: block; }
.score-board {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    padding: 16px 18px;
    border-radius: 18px;
    background: var(--grad-soft);
    border: 1px solid var(--line-strong);
    box-shadow: var(--card-shadow);
}
.score-value { color: var(--accent); font-weight: 900; }

.matrix {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: 22px;
}
.matrix textarea, .workbook-field, textarea {
    width: 100%;
    min-height: 120px;
    resize: vertical;
    color: var(--text);
    background: rgba(10, 20, 27, .92);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px;
    outline: none;
}
.matrix textarea:focus, .workbook-field:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(85,230,174,.14);
}
.slider-row {
    display: grid;
    grid-template-columns: 160px 1fr 48px;
    gap: 12px;
    align-items: center;
}
input[type="range"] { width: 100%; accent-color: var(--accent); }
.checklist { display: grid; gap: 12px; margin-top: 18px; }
.check-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(17, 27, 35, .92);
    box-shadow: var(--card-shadow);
}
.check-item input { margin-top: 5px; transform: scale(1.2); accent-color: var(--accent); }

.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.tab-btn.active { background: var(--grad-soft); border-color: var(--accent); color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp .35s ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

.accordion { display: grid; gap: 14px; }
.accordion-item {
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    background: rgba(17, 27, 35, .92);
    box-shadow: var(--card-shadow);
}
.accordion-head {
    width: 100%;
    text-align: left;
    border: 0;
    border-radius: 0;
    background: rgba(25, 35, 43, .92);
    color: var(--text);
    padding: 18px 22px;
    display: flex;
    justify-content: space-between;
    cursor: pointer;
    font-weight: 900;
}
.accordion-body {
    display: none;
    padding: 20px 22px;
}
.accordion-item.open .accordion-body { display: block; }

.classifier { display: grid; gap: 14px; }
.scenario-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(17, 27, 35, .92);
    box-shadow: var(--card-shadow);
}
.resource-body .scenario-card {
    padding: 18px;
}
.slide .scenario-card {
    border-radius: var(--radius);
    padding: clamp(28px, 2.45vw, 48px);
}
.classify-result { margin-top: 10px; display: none; color: var(--accent); font-weight: 800; }
.classify-result.show { display: block; }

.timer-display {
    font-family: "DM Mono", "Cascadia Mono", Consolas, monospace;
    font-size: clamp(2rem, 4vw, 5rem);
    color: var(--accent);
    font-weight: 900;
}

.resource-body { min-height: 100vh; overflow-x: hidden; }
.resource-layout {
    display: block;
    min-height: 100vh;
}
.resource-nav {
    display: none;
}
.resource-nav h2 {
    font-size: 18px;
    color: var(--accent);
    margin-bottom: 14px;
}
.resource-nav a {
    display: block;
    padding: 10px 0;
    border-bottom: 1px solid rgba(108,255,205,.12);
    color: var(--muted);
    text-decoration: none;
}
.resource-nav a:hover { color: var(--text); }
.resource-main {
    width: min(1320px, calc(100vw - 48px));
    margin: 0 auto;
    padding: 48px 24px 90px;
}
.resource-main h1 {
    font-size: clamp(2.25rem, 3.7vw, 4.2rem);
    line-height: 1;
    max-width: 1050px;
}
.resource-section {
    margin-top: 30px;
    padding-top: 28px;
    border-top: 1px solid var(--line);
}
.resource-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 22px 0;
}
.saved-note {
    opacity: 0;
    color: var(--accent);
    transition: opacity .25s ease;
}
.saved-note.show { opacity: 1; }

.worksheet-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}
.print-only { display: none; }

.slide .chip,
.title-slide .chip,
.content-wrapper > .chip {
    display: inline-flex;
    width: fit-content;
    max-width: 100%;
    background: rgba(20, 31, 38, .92) !important;
    color: var(--accent) !important;
    border: 1px solid var(--line-strong) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .22) !important;
    -webkit-text-fill-color: var(--accent);
}

@media (max-width: 1240px) {
    .grid-3, .grid-4, .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    h1, .hero-title { font-size: clamp(44px, 7vw, 78px); }
    h2 { font-size: clamp(30px, 5vw, 54px); }
    .content-wrapper { width: min(84vw, 1240px); }
}
@media (max-width: 1100px) {
    .resource-layout { display: block; }
    .resource-nav { position: static; height: auto; }
    .resource-main { width: auto; padding: 34px 24px 86px; }
}
@media (max-width: 760px) {
    body,
    .slide-container,
    .slide {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
    }
    .slide { padding: 92px 18px 116px 18px; }
    .grid-2, .grid-3, .grid-4, .timeline, .matrix, .worksheet-grid, .title-slide .content-wrapper { grid-template-columns: 1fr; }
    .content-wrapper {
        width: calc(100vw - 96px);
        max-width: calc(100vw - 96px);
        min-height: calc(100vh - 190px);
        justify-content: flex-start;
        padding-top: 0;
    }
    .title-slide { align-items: flex-start; }
    .title-slide .content-wrapper {
        justify-content: flex-start;
        max-width: 100%;
        min-height: auto;
    }
    .title-actions .feature-card, .deck-title-grid .feature-card { min-height: auto; }
    h1, .hero-title {
        font-size: clamp(38px, 9vw, 60px);
        line-height: .98;
        text-wrap: wrap;
    }
    h2 {
        font-size: clamp(28px, 7vw, 46px);
        text-wrap: wrap;
    }
    .lead {
        font-size: clamp(1.15rem, 5.2vw, 1.55rem);
        line-height: 1.4;
    }
    p, li, td, th {
        font-size: clamp(14px, 4vw, 17px);
        line-height: 1.45;
    }
    .deck-title-copy,
    .presentation-title,
    .deck-title-grid,
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-auto,
    .card,
    .feature-card,
    .highlight-box,
    .activity-card,
    .resource-card,
    .quiz-card {
        max-width: 100%;
    }
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-auto,
    .timeline,
    .matrix,
    .worksheet-grid {
        width: calc(100vw - 96px) !important;
        max-width: calc(100vw - 96px) !important;
    }
    .grid-2 > *,
    .grid-3 > *,
    .grid-4 > *,
    .grid-auto > *,
    .timeline > *,
    .matrix > *,
    .worksheet-grid > * {
        width: 100% !important;
        max-width: 100% !important;
    }
    .slide * {
        max-width: 100%;
    }
    table {
        display: block;
        min-width: 640px;
        overflow-x: auto;
        table-layout: auto;
    }
    .card, .feature-card, .highlight-box, .activity-card, .resource-card, .quiz-card {
        padding: 18px;
        border-radius: 16px;
    }
    .slide :is(.card, .feature-card, .activity-card, .highlight-box, .time-node) h3 {
        font-size: clamp(19px, 5vw, 27px);
        line-height: 1.16;
    }
    .slide :is(.card, .feature-card, .activity-card, .highlight-box, .time-node) p,
    .slide :is(.card, .feature-card, .activity-card, .highlight-box, .time-node) li {
        font-size: clamp(15px, 4.2vw, 18px);
        line-height: 1.45;
    }
    .option-row { flex-direction: column; align-items: stretch; }
    .quiz-option, .classify-btn, .tool-btn, .copy-btn, .toggle-btn, .tab-btn {
        width: 100%;
        white-space: normal;
        overflow-wrap: anywhere;
        text-align: left;
    }
    .score-board {
        display: grid;
        grid-template-columns: 1fr auto;
    }
    .score-board button { grid-column: 1 / -1; }
    textarea { min-height: 96px; }
    .navigation {
        top: 12px;
        left: 112px;
        right: 12px;
        bottom: auto;
        width: auto;
        max-width: none;
        justify-content: center;
        gap: 8px;
        padding: 10px;
        overflow: hidden;
    }
    .progress-bar { display: none; }
    .navigation button { padding: 9px 11px; }
    .slide-number { min-width: 48px; font-size: 12px; }
    .deck-index { top: 14px; left: 14px; }
    .slide-num { display: none; }
    .index-panel {
        left: 14px;
        right: 14px;
        top: 64px;
        width: auto;
    }
}
@media (max-width: 500px) {
    .content-wrapper,
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-auto,
    .timeline,
    .matrix,
    .worksheet-grid {
        width: min(320px, calc(100vw - 56px)) !important;
        max-width: min(320px, calc(100vw - 56px)) !important;
    }
    .slide {
        padding-left: 18px;
        padding-right: 18px;
    }
}
@media print {
    body { background: #fff; color: #111; }
    .resource-nav, .navigation, .deck-index, .index-panel, .resource-tools, .tool-btn, .copy-btn, .toggle-btn { display: none !important; }
    .resource-main { width: auto; padding: 20px; }
    .card, .feature-card, .highlight-box, .activity-card, .resource-card, .quiz-card, .question { box-shadow: none; border-color: #bbb; background: #fff; color: #111; }
    h1, h2, h3, h4, p, li, td, th { color: #111; }
    .accordion-body, .tab-panel { display: block !important; }
}