* {
    box-sizing: border-box;
}

body.academy-body {
    min-height: 100vh;
    background:
        radial-gradient(circle at 20% 0%, rgba(36, 88, 216, 0.09), transparent 26%),
        radial-gradient(circle at 80% 14%, rgba(27, 191, 213, 0.11), transparent 30%),
        linear-gradient(180deg, #f8fbff 0%, #eef3f9 48%, #e8eff7 100%);
    color: #0f172a;
    padding: 1.2rem;
    font-family: 'Outfit', sans-serif;
}

html[data-theme="retro"] body.academy-body {
    background:
        radial-gradient(circle at 20% 0%, rgba(138, 90, 43, 0.12), transparent 26%),
        radial-gradient(circle at 80% 14%, rgba(184, 137, 77, 0.14), transparent 30%),
        linear-gradient(180deg, #f5eedf 0%, #eadfcf 48%, #e3d8c7 100%);
}

.page-wrap.academy-wrap {
    max-width: 1320px;
    margin: 0 auto;
    min-height: calc(100vh - 2.4rem);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.academy-shell {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #d9e2ec;
    border-radius: 26px;
    box-shadow: 0 16px 42px rgba(15, 23, 42, 0.08);
    padding: 1.55rem;
    backdrop-filter: blur(10px);
}

html[data-theme="retro"] .academy-shell {
    background: rgba(247, 241, 228, 0.94);
    border-color: #c7b79c;
}

.academy-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.85fr);
    gap: 1rem;
    padding: 0.55rem 0 0.35rem;
    align-items: start;
}

.academy-hero > div:first-child {
    padding-right: 0.5rem;
}

.academy-kicker,
.academy-pill,
.academy-chip,
.academy-card-meta span,
.academy-topic-pill,
.academy-lesson-chip,
.academy-track-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}

.academy-kicker {
    padding: 0.38rem 0.78rem;
    border: 1px solid rgba(36, 88, 216, 0.2);
    background: rgba(36, 88, 216, 0.09);
    color: #1f4bcc;
    margin-bottom: 0.9rem;
}

.academy-hero h1,
.academy-track-header h1,
.academy-lesson-header h1 {
    font-size: clamp(2.1rem, 4.2vw, 3.35rem);
    line-height: 1.04;
    color: #0b1831;
    margin-bottom: 0.75rem;
    max-width: 13ch;
}

.academy-track-header h1,
.academy-lesson-header h1 {
    max-width: 16ch;
    font-size: clamp(2rem, 4vw, 3rem);
}

.academy-hero p,
.academy-track-header p,
.academy-lesson-intro,
.academy-section-copy,
.academy-lesson-main p,
.academy-lesson-main li,
.academy-card-body,
.academy-track-card p,
.academy-topic-card p,
.academy-lab-card p,
.academy-reference-card p,
.academy-reference-list li,
.academy-sidebar-card p {
    color: #405064;
    line-height: 1.65;
}

.academy-chip-row,
.academy-card-meta,
.academy-track-meta,
.academy-lesson-meta,
.academy-quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.academy-chip {
    padding: 0.42rem 0.82rem;
    border: 1px solid #d6e1ef;
    background: rgba(255, 255, 255, 0.9);
    color: #3b4d63;
}

.academy-hero-signal-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 1.1rem;
    max-width: 640px;
}

.academy-signal-card {
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
    padding: 0.85rem 0.95rem;
    border-radius: 18px;
    border: 1px solid #d9e2ec;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 249, 255, 0.92));
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.05);
}

.academy-signal-value {
    font-size: 1.45rem;
    font-weight: 800;
    line-height: 1;
    color: #0b1831;
}

.academy-signal-label {
    color: #55657a;
    font-size: 0.88rem;
    font-weight: 600;
}

.academy-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1rem 0 1.1rem;
}

.academy-primary-btn,
.academy-secondary-btn,
.academy-ghost-link,
.academy-inline-link {
    border-radius: 14px;
    font-weight: 800;
    text-decoration: none;
    transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.academy-primary-btn,
.academy-secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0.8rem 1.1rem;
}

.academy-primary-btn {
    border: 1px solid transparent;
    background: linear-gradient(135deg, #2458d8, #1bbfd5);
    color: #ffffff;
    box-shadow: 0 12px 30px rgba(36, 88, 216, 0.22);
}

.academy-secondary-btn {
    border: 1px solid #c5d4e8;
    background: #ffffff;
    color: #102038;
}

.academy-primary-btn:hover,
.academy-secondary-btn:hover,
.academy-ghost-link:hover,
.academy-inline-link:hover {
    transform: translateY(-1px);
}

.academy-search-card,
.academy-section-card,
.academy-track-card,
.academy-topic-card,
.academy-lab-card,
.academy-reference-card,
.academy-lesson-card,
.academy-sidebar-card,
.academy-objectives-card,
.academy-lesson-callout,
.academy-track-curriculum,
.academy-track-sidebar,
.academy-track-practice,
.academy-gate-card {
    border: 1px solid #d9e2ec;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.07);
}

.academy-search-card {
    padding: 1.15rem;
    align-self: start;
    position: relative;
    overflow: hidden;
}

.academy-search-card::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #2458d8, #1bbfd5);
    opacity: 0.9;
}

.academy-search-card h2 {
    font-size: 1.15rem;
    color: #0f213d;
    margin-bottom: 0.35rem;
}

.academy-search-card p {
    margin-bottom: 0.9rem;
}

.academy-search-form {
    display: flex;
    gap: 0.65rem;
    margin-bottom: 0.8rem;
}

.academy-search-form input,
.academy-gate-field,
.academy-search-inline input {
    width: 100%;
    min-height: 50px;
    border-radius: 16px;
    border: 1px solid #c8d4e3;
    background: #ffffff;
    padding: 0.9rem 1rem;
    font-size: 1rem;
    color: #102038;
}

.academy-search-form button,
.academy-search-inline button,
.academy-gate-card button {
    min-width: 126px;
}

.academy-quick-links a,
.academy-inline-link {
    color: #0f4fa8;
    font-weight: 800;
    text-decoration: none;
}

.academy-inline-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.academy-section {
    margin-top: 1.15rem;
}

.academy-section-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid #e4edf6;
}

.academy-section-title {
    font-size: clamp(1.55rem, 2vw, 1.9rem);
    color: #0c1830;
    margin-bottom: 0.2rem;
}

.academy-path-grid,
.academy-topic-grid,
.academy-lab-grid,
.academy-reference-grid,
.academy-track-grid,
.academy-lesson-grid {
    display: grid;
    gap: 0.95rem;
}

.academy-path-grid,
.academy-track-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.academy-topic-grid,
.academy-reference-grid,
.academy-lesson-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.academy-lab-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.academy-track-card,
.academy-topic-card,
.academy-lab-card,
.academy-reference-card,
.academy-lesson-card {
    padding: 1.15rem;
    display: flex;
    flex-direction: column;
    min-height: 100%;
    position: relative;
    overflow: hidden;
}

.academy-track-card::before,
.academy-topic-card::before,
.academy-lab-card::before,
.academy-reference-card::before,
.academy-lesson-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: linear-gradient(180deg, #2458d8, #1bbfd5);
    opacity: 0.85;
}

.academy-track-card h3,
.academy-topic-card h3,
.academy-lab-card h3,
.academy-reference-card h3,
.academy-lesson-card h3,
.academy-sidebar-card h3,
.academy-objectives-card h2,
.academy-track-curriculum h2,
.academy-track-practice h2,
.academy-lesson-callout h2 {
    color: #0e1c34;
    margin-bottom: 0.4rem;
}

.academy-card-meta span,
.academy-track-chip,
.academy-lesson-chip,
.academy-topic-pill {
    padding: 0.36rem 0.72rem;
    background: #edf5ff;
    border: 1px solid #cde0f8;
    color: #1d4ed8;
}

.academy-topic-pill.is-soft,
.academy-track-chip.is-soft,
.academy-lesson-chip.is-soft {
    background: #f8fbff;
    color: #4a5d75;
    border-color: #d9e2ec;
}

.academy-card-footer,
.academy-track-footer,
.academy-reference-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: auto;
    padding-top: 0.9rem;
}

.academy-card-note,
.academy-track-note {
    color: #64748b;
    font-size: 0.88rem;
}

.academy-ghost-link {
    color: #0f4fa8;
    font-weight: 800;
}

.academy-section-band {
    margin-top: 1rem;
    padding: 1.1rem;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(244, 249, 255, 0.95));
    border: 1px solid #d9e2ec;
}

.academy-track-header,
.academy-lesson-header {
    display: grid;
    gap: 1rem;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    margin-bottom: 1rem;
}

.academy-track-sidebar,
.academy-sidebar-card,
.academy-objectives-card,
.academy-track-curriculum,
.academy-track-practice,
.academy-lesson-callout {
    padding: 1.1rem;
}

.academy-track-layout,
.academy-lesson-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.78fr);
    gap: 1.1rem;
}

.academy-curriculum-list,
.academy-reference-list,
.academy-objective-list,
.academy-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.8rem;
}

.academy-curriculum-item,
.academy-reference-list li {
    padding: 0.9rem 0;
    border-top: 1px solid #e5edf5;
}

.academy-curriculum-item:first-child,
.academy-reference-list li:first-child {
    border-top: none;
    padding-top: 0;
}

.academy-step-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, #2458d8, #1bbfd5);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 800;
    margin-bottom: 0.55rem;
}

.academy-step-head {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
}

.academy-curriculum-item {
    position: relative;
}

.academy-curriculum-item::before {
    content: "";
    position: absolute;
    left: 17px;
    top: 52px;
    bottom: -18px;
    width: 1px;
    background: linear-gradient(180deg, rgba(36, 88, 216, 0.28), rgba(27, 191, 213, 0.08));
}

.academy-curriculum-item:last-child::before {
    display: none;
}

.academy-step-body h3,
.academy-step-body h4 {
    margin-bottom: 0.25rem;
}

.academy-step-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin: 0.35rem 0 0.55rem;
}

.academy-step-meta span {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    background: #f5f9ff;
    border: 1px solid #d7e6f8;
    color: #3f5773;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.3rem 0.6rem;
}

.academy-lesson-main {
    padding: 1.35rem;
}

.academy-lesson-main h2 {
    font-size: 1.28rem;
    color: #0e1d35;
    margin: 1.35rem 0 0.55rem;
}

.academy-lesson-main h3 {
    font-size: 1.08rem;
    color: #0e1d35;
    margin: 0.95rem 0 0.45rem;
}

.academy-lesson-main ul,
.academy-track-sidebar ul,
.academy-objective-list,
.academy-checklist {
    margin-left: 1.1rem;
}

.academy-lesson-main li + li,
.academy-track-sidebar li + li,
.academy-objective-list li + li,
.academy-checklist li + li {
    margin-top: 0.35rem;
}

.academy-highlight {
    padding: 1rem 1.05rem;
    border-radius: 16px;
    border: 1px solid #c7dbf6;
    background: linear-gradient(135deg, #f3f8ff, #edf8ff);
    margin-top: 1.1rem;
}

.academy-callout-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.95rem;
    margin-top: 1.1rem;
}

.academy-callout-card {
    border: 1px solid #d8e5f4;
    border-radius: 18px;
    padding: 1rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 250, 255, 0.96));
}

.academy-callout-card h3 {
    margin-bottom: 0.4rem;
}

.academy-compare-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    overflow: hidden;
    border-radius: 18px;
    border: 1px solid #d9e2ec;
    background: #ffffff;
}

.academy-compare-table th,
.academy-compare-table td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid #e6edf5;
    text-align: left;
    vertical-align: top;
    color: #405064;
}

.academy-compare-table th {
    font-size: 0.84rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #5a6a7f;
    background: #f6faff;
}

.academy-compare-table tr:last-child td {
    border-bottom: none;
}

.academy-lab-steps {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: grid;
    gap: 0.9rem;
}

.academy-lab-step {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.9rem;
    align-items: start;
    padding: 1rem;
    border-radius: 18px;
    border: 1px solid #d9e2ec;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.04);
}

.academy-lab-step-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, #2458d8, #1bbfd5);
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 800;
    flex-shrink: 0;
}

.academy-lab-step h3 {
    margin-bottom: 0.3rem;
}

.academy-lab-step ul {
    margin: 0.55rem 0 0 1.05rem;
}

.academy-lab-step li + li {
    margin-top: 0.3rem;
}

.academy-inline-kbd {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.45rem;
    border: 1px solid #cbd7e4;
    border-radius: 10px;
    background: #f8fbff;
    color: #23364f;
    font-size: 0.82rem;
    font-weight: 700;
}

.academy-lab-outcomes {
    display: grid;
    gap: 0.65rem;
    margin-top: 0.9rem;
}

.academy-lab-outcomes li {
    color: #405064;
}

.academy-rail {
    display: grid;
    gap: 1rem;
    align-self: start;
    position: sticky;
    top: 1rem;
}

.academy-gate {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem;
    background: rgba(8, 18, 32, 0.46);
    backdrop-filter: blur(10px);
}

.academy-gate-card {
    width: min(100%, 460px);
    padding: 1.25rem;
}

.academy-gate-card h2 {
    font-size: 1.55rem;
    margin-bottom: 0.35rem;
}

.academy-gate-card p {
    color: #475569;
    line-height: 1.6;
}

.academy-gate-form {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.academy-gate-error {
    min-height: 1.1rem;
    color: #b91c1c;
    font-size: 0.9rem;
    font-weight: 700;
}

.academy-gate-note {
    color: #64748b;
    font-size: 0.88rem;
}

.academy-gated .academy-page-content {
    filter: blur(7px);
    pointer-events: none;
    user-select: none;
}

.academy-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-bottom: 1rem;
    color: #5b6b80;
    font-size: 0.9rem;
}

.academy-breadcrumbs a {
    color: #0f4fa8;
    text-decoration: none;
    font-weight: 700;
}

.academy-search-inline {
    display: flex;
    gap: 0.6rem;
    margin-top: 0.65rem;
}

.academy-empty-state {
    display: none;
    margin-top: 0.85rem;
    padding: 1rem;
    border-radius: 18px;
    border: 1px dashed #bfd2e9;
    background: rgba(255,255,255,0.78);
    color: #546579;
}

.academy-empty-state.is-visible {
    display: block;
}

@media (max-width: 1120px) {
    .academy-hero,
    .academy-track-header,
    .academy-lesson-header,
    .academy-track-layout,
    .academy-lesson-layout {
        grid-template-columns: 1fr;
    }

    .academy-topic-grid,
    .academy-reference-grid,
    .academy-lesson-grid,
    .academy-callout-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .academy-rail {
        position: static;
    }
}

@media (max-width: 780px) {
    body.academy-body {
        padding: 0.9rem;
    }

    .academy-path-grid,
    .academy-topic-grid,
    .academy-lab-grid,
    .academy-reference-grid,
    .academy-track-grid,
    .academy-lesson-grid,
    .academy-callout-grid {
        grid-template-columns: 1fr;
    }

    .academy-search-form,
    .academy-search-inline,
    .academy-card-footer,
    .academy-track-footer,
    .academy-reference-footer,
    .academy-section-head {
        flex-direction: column;
        align-items: stretch;
    }

    .academy-hero h1,
    .academy-track-header h1,
    .academy-lesson-header h1 {
        max-width: none;
    }

    .academy-hero-signal-grid {
        grid-template-columns: 1fr;
    }
}