@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Lora:wght@600;700&family=JetBrains+Mono:wght@400;600&display=swap');

* {
    box-sizing: border-box;
}

:root {
    /* Navy / blue -- primary identity */
    --navy-900: #0d2543;
    --navy-800: #123761;
    --blue-700: #1d5fa6;
    --blue-600: #2568b0;
    --blue-500: #3c82cc;
    --blue-100: #e6f0fa;

    /* Orange -- accent / calls to action */
    --orange-700: #c9540f;
    --orange-600: #e8631e;
    --orange-500: #f0812e;
    --orange-100: #fdecdd;

    /* Neutrals */
    --bg: #eef3f9;
    --surface: #ffffff;
    --border: #e1e7ef;
    --border-strong: #cdd8e6;
    --text: #142238;
    --text-dim: #5b6b82;
    --text-on-dark: #eef4fb;
    --text-on-dark-dim: #a9bfd9;

    --shadow-sm: 0 1px 2px rgba(13, 37, 67, 0.06), 0 1px 1px rgba(13, 37, 67, 0.04);
    --shadow-md: 0 8px 20px rgba(13, 37, 67, 0.08), 0 2px 6px rgba(13, 37, 67, 0.06);
    --shadow-lg: 0 20px 44px rgba(13, 37, 67, 0.14);
    --glass-blur: 22px;

    --glass-light-bg: rgba(255, 255, 255, 0.58);
    --glass-light-bg-strong: rgba(255, 255, 255, 0.74);
    --glass-light-border: rgba(255, 255, 255, 0.7);
    --glass-light-highlight: rgba(255, 255, 255, 0.55);
    --glass-light-shadow: 0 10px 34px rgba(13, 37, 67, 0.12);
    --glass-light-shadow-hover: 0 18px 44px rgba(13, 37, 67, 0.18);

    --glass-dark-bg: rgba(13, 37, 67, 0.62);
    --glass-dark-border: rgba(255, 255, 255, 0.14);
    --glass-dark-highlight: rgba(255, 255, 255, 0.22);
    --glass-dark-shadow: 0 12px 36px rgba(6, 16, 30, 0.28);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    position: relative;

    font-family: 'Inter', Arial, Helvetica, sans-serif;
    line-height: 1.6;

    color: var(--text);
    background: var(--bg);

    overflow-x: hidden;
}

.bg-glow {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.bg-glow__blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.5;
}

.bg-glow__blob--1 {
    width: 560px;
    height: 560px;
    top: -160px;
    left: -120px;
    background: radial-gradient(circle, var(--blue-500), transparent 70%);
    animation: glowDrift1 50s ease-in-out infinite alternate;
}

.bg-glow__blob--2 {
    width: 480px;
    height: 480px;
    top: 34%;
    right: -160px;
    background: radial-gradient(circle, var(--orange-500), transparent 70%);
    animation: glowDrift2 60s ease-in-out infinite alternate;
}

.bg-glow__blob--3 {
    width: 520px;
    height: 520px;
    bottom: -200px;
    left: 22%;
    background: radial-gradient(circle, var(--navy-800), transparent 70%);
    opacity: 0.35;
    animation: glowDrift3 70s ease-in-out infinite alternate;
}

@keyframes glowDrift1 {
    from { transform: translate(0, 0); }
    to   { transform: translate(70px, 50px); }
}
@keyframes glowDrift2 {
    from { transform: translate(0, 0); }
    to   { transform: translate(-60px, 70px); }
}
@keyframes glowDrift3 {
    from { transform: translate(0, 0); }
    to   { transform: translate(50px, -60px); }
}

h1, h2, h3 {
    font-family: 'Lora', Georgia, serif;
}

/* Thin school-color bar fixed to the very top of the viewport --
   a simple, classic branding touch that now sits above the glass. */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 3px;
    z-index: 60;
    background: linear-gradient(90deg, var(--orange-600), var(--blue-600));
    pointer-events: none;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg);
}
::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: 10px;
    border: 2px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--blue-500);
}

::selection {
    background: var(--orange-100);
    color: var(--navy-900);
}

:focus-visible {
    outline: 2px solid var(--blue-600);
    outline-offset: 3px;
    border-radius: 6px;
}

.cursor-glow-canvas {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 18px 40px;
    margin-top: 3px; /* clears the fixed color bar */

    background: var(--glass-dark-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    border-bottom: 1px solid var(--glass-dark-border);
    box-shadow:
        inset 0 1px 0 var(--glass-dark-highlight),
        var(--glass-dark-shadow);

    position: sticky;
    top: 3px;
    z-index: 50;
}

.topbar > div,
.app-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* Small circular monogram badge standing in for a school/hub crest */
.topbar > div::before,
.app-brand::before {
    content: '\1F393';
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;

    width: 42px;
    height: 42px;

    font-size: 20px;

    background: linear-gradient(160deg, var(--orange-500), var(--orange-700));
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow:
        inset 0 1px 1px rgba(255, 255, 255, 0.45),
        var(--shadow-sm);
}

.topbar h1 {
    margin: 0;

    color: var(--text-on-dark);
    font-size: 25px;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.subtitle {
    margin: 2px 0 0;
    color: var(--text-on-dark-dim);
    font-family: 'Inter', sans-serif;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}


/* =========================
   NAVIGATION
========================= */

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-button {
    display: inline-block;

    padding: 10px 22px;

    color: var(--text-on-dark);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(238, 244, 251, 0.32);

    text-decoration: none;
    border-radius: 999px;
    font-weight: 600;
    font-size: 14.5px;

    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.nav-button:hover {
    background: rgba(238, 244, 251, 0.16);
    border-color: var(--orange-500);
    transform: translateY(-1px);
}

.nav-button:active {
    background: rgba(238, 244, 251, 0.22);
    transform: translateY(0);
}

.app-button,
.home-button,
.fullscreen-button,
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    padding: 11px 24px;

    color: #ffffff;
    background: linear-gradient(135deg, rgba(240, 129, 46, 0.92), rgba(201, 84, 15, 0.92));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.35);

    text-decoration: none;
    border-radius: 999px;

    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 14.5px;
    cursor: pointer;

    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        0 8px 22px rgba(201, 84, 15, 0.28);
    transition: background-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.app-button:hover,
.home-button:hover,
.fullscreen-button:hover,
.back-button:hover {
    filter: brightness(1.08);
    transform: translateY(-2px);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        0 14px 32px rgba(201, 84, 15, 0.36);
}

.app-button:active,
.home-button:active,
.fullscreen-button:active,
.back-button:active {
    transform: translateY(0);
    filter: brightness(0.96);
}

.fullscreen-button svg {
    width: 16px;
    height: 16px;
}


/* =========================
   MAIN
========================= */

main {
    width: min(1100px, 90%);
    margin: 0 auto 60px;
}
.hero {
    position: relative;
    overflow: hidden;

    width: 100%;
    margin: 0 0 48px;
    padding: 56px clamp(24px, 6vw, 64px);

    border-radius: 32px;
    background: var(--glass-dark-bg);
    backdrop-filter: blur(30px) saturate(160%);
    -webkit-backdrop-filter: blur(30px) saturate(160%);
    border: 1px solid var(--glass-dark-border);
    box-shadow:
        inset 0 1px 0 var(--glass-dark-highlight),
        var(--glass-dark-shadow);
}

/* Diagonal light sheen, like a reflection sweeping across curved glass */
.hero::before {
    content: '';
    position: absolute;
    top: -60%;
    left: -20%;
    width: 70%;
    height: 220%;
    background: linear-gradient(115deg, rgba(255, 255, 255, 0.16), transparent 45%);
    transform: rotate(-12deg);
    pointer-events: none;
}

/* One soft color bloom for warmth, tucked in the far corner */
.hero::after {
    content: '';
    position: absolute;
    width: 320px;
    height: 320px;
    bottom: -160px;
    right: -80px;
    border-radius: 50%;
    filter: blur(70px);
    background: radial-gradient(circle, rgba(232, 99, 30, 0.4), transparent 70%);
    pointer-events: none;
    animation: driftSoft 46s ease-in-out infinite alternate;
}

@keyframes driftSoft {
    from { transform: translate(0, 0) scale(1); }
    to   { transform: translate(-4%, 4%) scale(1.08); }
}

.hero h2,
.hero p {
    position: relative;
    max-width: 620px;
}

.hero h2 {
    margin: 0 0 10px;

    color: var(--text-on-dark);
    font-size: 34px;
    font-weight: 700;
}

.hero p {
    margin: 0;
    color: var(--text-on-dark-dim);
    font-size: 16px;
}


/* =========================
   APP GRID
========================= */

.app-grid {
    display: grid;

    grid-template-columns:
        repeat(auto-fill, minmax(260px, 320px));

    gap: 20px;
}


/* =========================
   CATEGORIES
   Styled like a course catalog: a colored subject tab rather than a
   fading rule line.
========================= */

.category-section {
    margin-bottom: 40px;
}

.category-title {
    display: flex;
    align-items: center;
    margin: 0 0 18px;

    color: var(--navy-900);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.category-title::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    margin-right: 10px;
    border-radius: 50%;
    background: var(--orange-600);
    box-shadow: 0 0 0 4px rgba(232, 99, 30, 0.16);
}

.category-title::after {
    content: '';
    flex: 1;
    height: 1px;
    margin-left: 16px;
    background: var(--border-strong);
}


/* =========================
   FAVORITE SPOTLIGHT
   Rendered as a wide "pinned resource" banner rather than a large
   centered glowing card, so it reads like a dashboard quick-access
   strip instead of a hero game tile.
========================= */

.favorite-section {
    display: flex;
    margin-bottom: 40px;
}

.app-card.featured {
    width: 100%;
    max-width: none;
    min-height: 0;

    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    row-gap: 6px;
    column-gap: 24px;

    padding: 26px 30px;

    background: var(--glass-light-bg-strong);
    border: 1px solid var(--glass-light-border);
    border-radius: 20px;
    box-shadow:
        inset 4px 0 0 rgba(232, 99, 30, 0.55),
        inset 0 1px 0 var(--glass-light-highlight),
        var(--glass-light-shadow);
}

.app-card.featured .app-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 0;
    font-size: 28px;
}

.app-card.featured .app-info {
    flex: 1;
}

.app-card.featured .app-info h3 {
    font-size: 20px;
}

.app-card.featured .app-info p {
    margin-bottom: 0;
}

.app-card.featured .app-button {
    margin-top: 14px;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;

    color: var(--orange-700);
    font-family: 'Inter', sans-serif;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.6px;
    text-transform: uppercase;
}

.app-card.featured .featured-badge {
    flex: 1 0 100%;
    order: -1;
}


/* =========================
   FAVORITE TOGGLE (star)
========================= */

.app-card .fav-toggle {
    position: absolute;
    top: 14px;
    right: 14px;

    width: 32px;
    height: 32px;

    display: flex;
    align-items: center;
    justify-content: center;

    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1.5px solid rgba(255, 255, 255, 0.7);
    border-radius: 50%;

    color: var(--text-dim);
    font-size: 15px;
    line-height: 1;
    cursor: pointer;

    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
    transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s ease, background-color 0.18s ease;
}

.app-card .fav-toggle:hover {
    transform: scale(1.08);
    color: var(--orange-600);
    border-color: var(--orange-500);
}

.app-card .fav-toggle.is-fav {
    color: var(--orange-600);
    border-color: var(--orange-500);
    background: var(--orange-100);
}

.app-card.featured .fav-toggle {
    position: static;
    align-self: flex-start;
    margin-left: auto;
}

.app-card {
    display: flex;
    flex-direction: column;

    min-height: 240px;

    padding: 24px;

    background: var(--glass-light-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    border: 1px solid var(--glass-light-border);
    border-radius: 20px;

    position: relative;
    overflow: hidden;

    box-shadow:
        inset 0 1px 0 var(--glass-light-highlight),
        var(--glass-light-shadow);
    transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}
.app-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.4), transparent 42%);
    pointer-events: none;
}
.app-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, 0.4), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.app-card:hover::after {
    opacity: 1;
}

/* Keep real content above the sheen/glow layers */
.app-card > * {
    position: relative;
    z-index: 1;
}

.app-card:hover {
    border-color: rgba(60, 130, 204, 0.55);
    transform: translateY(-4px);
    box-shadow:
        inset 0 1px 0 var(--glass-light-highlight),
        var(--glass-light-shadow-hover);
}


/* =========================
   APP ICON
========================= */

.app-icon {
    display: flex;

    align-items: center;
    justify-content: center;

    width: 56px;
    height: 56px;

    margin-bottom: 16px;

    font-size: 26px;

    background: linear-gradient(160deg, rgba(60, 130, 204, 0.32), rgba(60, 130, 204, 0.1));
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 16px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);

    transition: transform 0.2s ease;
}

.app-card:hover .app-icon {
    transform: scale(1.05);
}


/* =========================
   APP INFORMATION
========================= */

.app-info {
    display: flex;
    flex-direction: column;

    flex: 1;
    position: relative;
}

.app-info h3 {
    margin: 0 0 8px;

    color: var(--navy-900);
    font-size: 18px;
    font-weight: 700;
}

.app-info p {
    margin-top: 0;
    margin-bottom: 18px;
    color: var(--text-dim);
    font-size: 14.5px;
}


/* =========================
   APP BUTTON
========================= */

.app-button {
    width: fit-content;
    margin-top: auto;
}

.app-button::after {
    content: '\2192';
    transition: transform 0.18s ease;
}

.app-button:hover::after {
    transform: translateX(3px);
}


/* =========================
   ABOUT PAGE
========================= */

.about-card {
    max-width: 800px;

    margin: 0 auto;
    padding: 38px;

    background: var(--glass-light-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    border: 1px solid var(--glass-light-border);
    border-radius: 24px;
    box-shadow:
        inset 0 1px 0 var(--glass-light-highlight),
        var(--glass-light-shadow);
}

.about-card h2 {
    margin-top: 0;
    color: var(--navy-900);
    font-weight: 700;
}

.about-card h3 {
    color: var(--navy-900);
    margin-top: 30px;
    position: relative;
    padding-left: 14px;
}

.about-card h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 3px;
    border-radius: 3px;
    background: var(--orange-600);
}

.about-card p {
    color: var(--text-dim);
}


/* =========================
   CODE / FOLDER STRUCTURE
========================= */

pre {
    overflow-x: auto;

    padding: 18px 20px;

    color: var(--text);
    background-color: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);

    border: 1px solid var(--glass-light-border);
    border-radius: 14px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

code {
    font-family: 'JetBrains Mono', Consolas, monospace;
    font-size: 13.5px;
}


/* =========================
   FOOTER
========================= */

footer {
    padding: 28px;
    margin-top: 20px;

    text-align: center;

    background: var(--glass-dark-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    color: var(--text-on-dark-dim);
    font-size: 13px;
    font-family: 'Inter', sans-serif;
    border-top: 1px solid var(--glass-dark-border);
    box-shadow: inset 0 1px 0 var(--glass-dark-highlight);
}


/* =========================
   MOBILE
========================= */

@media (max-width: 600px) {

    :root {
        --glass-blur: 14px;
    }

    .topbar {
        padding: 14px 20px;
    }

    .topbar > div::before {
        width: 36px;
        height: 36px;
        font-size: 17px;
    }

    .topbar h1 {
        font-size: 20px;
    }

    .nav-button {
        padding: 8px 14px;
    }

    .nav-actions {
        gap: 8px;
    }

    main {
        width: 92%;
    }

    .hero {
        padding: 40px 24px;
        border-radius: 24px;
    }

    .hero h2 {
        font-size: 26px;
    }

    .app-grid {
        grid-template-columns: 1fr;
    }

    .category-title {
        font-size: 16px;
    }

    .app-card.featured {
        flex-direction: column;
        align-items: flex-start;
    }

    .app-card.featured .fav-toggle {
        position: absolute;
        margin-left: 0;
    }

    .about-card {
        padding: 25px;
    }
}
.app-viewer-page {
    min-height: 100vh;
    background: var(--bg);
}

.app-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;

    padding: 16px 30px;
    margin-top: 3px;

    background: var(--glass-dark-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    border-bottom: 1px solid var(--glass-dark-border);
    box-shadow: inset 0 1px 0 var(--glass-dark-highlight);
    position: sticky;
    top: 3px;
    z-index: 50;
}

.app-topbar h1 {
    margin: 0;
    color: var(--text-on-dark);
    font-size: 20px;
    font-weight: 700;
}

.app-container {
    width: min(1200px, 94%);
    margin: 30px auto;
}

.app-title {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.app-title h2 {
    margin: 0;
    color: var(--navy-900);
    font-size: 24px;
    font-weight: 700;
}

.app-title p {
    margin-top: 5px;
    color: var(--text-dim);
}
.app-box {
    width: 100%;
    height: 70vh;
    min-height: 450px;

    overflow: hidden;

    background-color: var(--glass-light-bg-strong);
    backdrop-filter: blur(var(--glass-blur)) saturate(160%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);

    border: 1px solid var(--glass-light-border);
    border-radius: 20px;
    box-shadow:
        inset 0 1px 0 var(--glass-light-highlight),
        var(--glass-light-shadow);

    position: relative;
}

.app-box iframe {
    display: block;

    width: 100%;
    height: 100%;

    border: none;

    background-color: var(--surface);
}
.app-box:fullscreen {
    border-radius: 0;
    border: none;
    width: 100vw;
    height: 100vh;
}

.app-box:-webkit-full-screen {
    border-radius: 0;
    border: none;
    width: 100vw;
    height: 100vh;
}
.app-controls {
    display: flex;
    justify-content: center;

    margin-top: 20px;
}


/* Mobile app layout */

@media (max-width: 600px) {

    .app-topbar {
        padding: 14px 18px;
    }

    .app-topbar h1 {
        font-size: 18px;
    }

    .app-container {
        width: 96%;
        margin: 20px auto;
    }

    .app-box {
        height: 65vh;
        min-height: 350px;
    }

    .app-title {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .hero::before,
    .hero::after,
    .bg-glow__blob {
        animation: none !important;
    }
    * {
        transition-duration: 0.01ms !important;
    }
}