@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
    /* 🌑 Deep Space Palette */
    --bg-dark: #050510;
    --bg-panel: rgba(255, 255, 255, 0.03);
    --bg-panel-hover: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: 20px;

    /* 🌈 Neon Accents */
    --primary: #00f2ff;
    --primary-glow: rgba(0, 242, 255, 0.4);
    --secondary: #bc13fe;
    --secondary-glow: rgba(188, 19, 254, 0.4);
    --accent-gradient: linear-gradient(135deg, var(--primary), var(--secondary));

    /* 🖋 Typography */
    --font-main: 'Outfit', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);

    /* 📐 Dimensions */
    --header-height: 80px;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(188, 19, 254, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 242, 255, 0.1) 0%, transparent 40%);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* 📜 Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}

/* 🌟 Header */
header {
    position: sticky;
    top: 20px;
    z-index: 100;
    margin: 0 auto 40px;
    width: 90%;
    max-width: 1200px;
    background: rgba(5, 5, 16, 0.7);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    animation: slideDown 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    filter: drop-shadow(0 0 10px var(--primary-glow));
}

.title-group h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title-group p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 🔍 Search Bar */
.search-container {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 8px 20px;
    width: 300px;
    transition: all 0.3s ease;
}

.search-container:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
    background: rgba(255, 255, 255, 0.08);
}

.search-icon {
    color: var(--text-muted);
    margin-right: 10px;
}

#searchInput {
    background: transparent;
    border: none;
    color: var(--text-main);
    width: 100%;
    outline: none;
    font-family: var(--font-main);
}

#searchInput::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* 📱 Responsive Header for Mobile */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
        padding: 20px;
        top: 10px;
        width: 95%;
    }

    .search-container {
        width: 100%;
    }
}

/* 🧩 Grid & Cards */
.grid-container {
    max-width: 1200px;
    margin: 0 auto 40px;
    padding: 0 20px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.card {
    background: var(--bg-panel);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 30px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 180px;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x) var(--mouse-y), rgba(255, 255, 255, 0.06), transparent 40%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}

.card:hover::before {
    opacity: 1;
}

.card:hover {
    transform: translateY(-5px);
    background: var(--bg-panel-hover);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-main);
    z-index: 1;
}

.card span {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
    z-index: 1;
}

.card-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
    opacity: 0.2;
    transition: all 0.3s;
}

.card:hover .card-icon {
    opacity: 1;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: classyFloat 3s ease-in-out infinite;
}

/* 🔍 Popup Modal */
.popup {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(15px);
    z-index: 1000;
    justify-content: center;
    /* Centering Flexbox */
    align-items: center;
    /* Centering Flexbox */
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.popup.active {
    opacity: 1;
}

.popup-card {
    background: #0f0f1a;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
    /* prevents overflow */
}

.popup.active .popup-card {
    transform: scale(1);
}

.popup-header {
    padding: 25px;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.02);
}

.popup-header h2 {
    font-family: var(--font-display);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.close-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: 0.2s;
    display: grid;
    place-items: center;
}

.close-btn:hover {
    background: rgba(255, 60, 60, 0.8);
    transform: rotate(90deg);
}

.popup-body {
    padding: 25px;
    overflow-y: auto;
    flex: 1;
    /* Takes clear remaining space */
}

/* Code Viewer */
/* Code Viewer */
#popupCode {
    background: #1e1e1e;
    /* VS Code / Dark Matlab Editor BG */
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 20px;
    font-family: 'Fira Code', monospace;
    font-size: 0.95rem;
    color: #d4d4d4;
    /* Default Text */
    text-shadow: none;
    margin-top: 15px;
    overflow-x: auto;
    white-space: pre;
    line-height: 1.5;
}

/* Syntax Highlighting Colors (Matlab Dark) */
.code-comment {
    color: #2bac1c;
    font-style: italic;
}

/* Green */
.code-keyword {
    color: #569cd6;
    font-weight: bold;
}

/* Blue */
.code-string {
    color: #ce9178;
}

/* Orange/Salmon */
.code-number {
    color: #b5cea8;
}

/* Light Green */

/* Tabs & Controls */
.file-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.file-tab {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
}

.file-tab.active,
.file-tab:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary);
    border-color: var(--primary);
}

.popup-controls {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    font-weight: 500;
}

.btn:hover {
    background: var(--primary);
    color: #000;
    box-shadow: 0 0 20px var(--primary-glow);
    transform: translateY(-2px);
}

.btn:active {
    transform: scale(0.95);
    box-shadow: 0 0 10px var(--primary-glow);
}

.btn-secondary {
    border-color: var(--secondary);
}

.btn-secondary:hover {
    background: var(--secondary);
    color: white;
    box-shadow: 0 0 20px var(--secondary-glow);
}


/* 🌊 Banner & Notifications */
.offline-banner {
    background: linear-gradient(90deg, #ff4d4d, #f9cb28);
    color: black;
    text-align: center;
    padding: 8px;
    font-weight: 700;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 2000;
    display: none;
    animation: slideDown 0.3s ease;
}

.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: rgba(20, 20, 30, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid var(--primary);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 3000;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ✨ Splash Screen */
/* ✨ Advanced Splash Screen V2 */
#splash-screen {
    position: fixed;
    inset: 0;
    background: #050510;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: opacity 0.8s ease-out;
}

/* 🕸 Cyber Grid Background */
.splash-bg-grid {
    position: absolute;
    width: 200%;
    height: 200%;
    background-image:
        linear-gradient(rgba(0, 242, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 242, 255, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
    transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
    animation: gridMove 20s linear infinite;
    opacity: 0.3;
    pointer-events: none;
}

.splash-orb {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(188, 19, 254, 0.15) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(60px);
    animation: pulseOrb 4s ease-in-out infinite;
    pointer-events: none;
}

.splash-content {
    position: relative;
    z-index: 10;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

.splash-logo {
    width: 180px;
    height: auto;
    filter: drop-shadow(0 0 40px rgba(0, 242, 255, 0.6));
    animation: logoFloat 4s ease-in-out infinite, logoReveal 1.2s cubic-bezier(0.2, 0.8, 0.2, 1) backwards;
}

/* 🌀 Cyber Ring Loader */
.cyber-loader {
    position: relative;
    width: 60px;
    height: 60px;
    margin: 10px 0;
}

.cyber-ring {
    position: absolute;
    inset: 0;
    border: 3px solid transparent;
    border-top: 3px solid var(--primary);
    border-right: 3px solid var(--secondary);
    border-radius: 50%;
    animation: spinRing 1.5s linear infinite;
    box-shadow: 0 0 15px var(--primary-glow);
}

.cyber-core {
    position: absolute;
    inset: 15px;
    background: var(--text-main);
    border-radius: 50%;
    animation: breatheCore 2s ease-in-out infinite;
    box-shadow: 0 0 20px var(--secondary-glow);
}

.text-wrapper {
    overflow: hidden;
}

.splash-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: white;
    margin: 0;
    letter-spacing: -1px;
    background: linear-gradient(120deg, #fff, var(--primary), #fff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shineText 3s linear infinite, slideUpText 1s cubic-bezier(0.2, 0.8, 0.2, 1) 0.3s backwards;
}

.splash-subtitle {
    font-family: 'Outfit', sans-serif;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 6px;
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-top: 5px;
    animation: fadeInLetters 1s ease-out 0.6s backwards;
}

/* 🎥 Animations */
@keyframes gridMove {
    0% {
        transform: perspective(500px) rotateX(60deg) translateY(0) translateZ(-200px);
    }

    100% {
        transform: perspective(500px) rotateX(60deg) translateY(40px) translateZ(-200px);
    }
}

@keyframes pulseOrb {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

@keyframes logoFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

@keyframes logoReveal {
    from {
        opacity: 0;
        transform: scale(0.5) translateY(30px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes spinRing {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes breatheCore {

    0%,
    100% {
        transform: scale(0.8);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.1);
        opacity: 1;
        box-shadow: 0 0 30px var(--secondary);
    }
}

@keyframes shineText {
    to {
        background-position: 200% center;
    }
}

@keyframes slideUpText {
    from {
        transform: translateY(40px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeInLetters {
    from {
        opacity: 0;
        letter-spacing: 15px;
    }

    to {
        opacity: 1;
        letter-spacing: 6px;
    }
}

@keyframes loadBar {
    0% {
        width: 0%;
    }

    50% {
        width: 70%;
    }

    100% {
        width: 100%;
    }
}

/* 💀 Skeleton Loader */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

.skeleton {
    background: linear-gradient(90deg,
            rgba(255, 255, 255, 0.05) 25%,
            rgba(255, 255, 255, 0.1) 50%,
            rgba(255, 255, 255, 0.05) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    color: transparent !important;
    min-height: 20px;
    margin-bottom: 8px;
}

/* 🌈 PrismJS Integration */
code[class*="language-"],
pre[class*="language-"] {
    text-shadow: none !important;
    font-family: 'Fira Code', monospace !important;
    font-size: inherit !important;
    background: transparent !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* Token Colors Limiters (Optional overrides if Tomorrow is too dull) */
.token.comment {
    color: #2bac1c !important;
    font-style: italic;
}

/* Bright Green */
.token.keyword {
    color: #569cd6 !important;
    font-weight: bold;
}

/* Blue */
.token.string {
    color: #ce9178 !important;
}

/* Salmon/Orange String */
.token.number {
    color: #b5cea8 !important;
}

/* Light Green Number */
.token.operator {
    color: #d4d4d4 !important;
}

/* Standard Text Operator */
.token.function {
    color: #dcdcaa !important;
}

/* Yellowish Function */

/* Preserve green comments */

@keyframes classyFloat {
    0% {
        transform: scale(1.2) rotate(10deg) translateY(0);
        filter: drop-shadow(0 0 5px var(--primary-glow));
    }

    50% {
        transform: scale(1.4) rotate(0deg) translateY(-8px);
        filter: drop-shadow(0 0 15px var(--secondary-glow));
    }

    100% {
        transform: scale(1.2) rotate(10deg) translateY(0);
        filter: drop-shadow(0 0 5px var(--primary-glow));
    }
}



@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }

    to {
        transform: translateY(0);
    }
}

/* Footer */
footer {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

footer a {
    color: var(--primary);
    text-decoration: none;
}

/* Disclaimer Section */
.disclaimer {
    max-width: 800px;
    margin: 40px auto 20px;
    padding: 20px;
    background: rgba(255, 50, 50, 0.05);
    border: 1px solid rgba(255, 50, 50, 0.3);
    border-radius: 12px;
    backdrop-filter: blur(5px);
    text-align: center;
}

.disclaimer-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 10px;
    color: #ff4d4d;
}

.caution-icon {
    width: 24px;
    height: 24px;
}

.disclaimer p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.disclaimer strong {
    color: #ff4d4d;
}

/* ⏳ Advanced Loading Bar */
.cache-container {
    margin-bottom: 50px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 15px;
    animation: fadeIn 0.5s ease-out;
    position: relative;
    overflow: hidden;
}

.cache-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--primary), transparent);
    animation: scanLine 2s linear infinite;
}

.cache-label {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    color: var(--primary);
    margin-bottom: 8px;
    font-weight: 600;
    letter-spacing: 1px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cache-label::after {
    content: '...';
    animation: dots 1.5s infinite;
}

.cache-track {
    height: 8px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

.cache-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    border-radius: 10px;
    position: relative;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px var(--primary-glow);
}

/* Moving Stripes Effect */
.cache-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: linear-gradient(45deg,
            rgba(255, 255, 255, 0.15) 25%,
            transparent 25%,
            transparent 50%,
            rgba(255, 255, 255, 0.15) 50%,
            rgba(255, 255, 255, 0.15) 75%,
            transparent 75%,
            transparent);
    background-size: 20px 20px;
    animation: moveStripes 1s linear infinite;
}

@keyframes moveStripes {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 20px 0;
    }
}

@keyframes scanLine {
    0% {
        top: -100%;
    }

    100% {
        top: 100%;
    }
}

@keyframes dots {

    0%,
    20% {
        content: '.';
    }

    40%,
    60% {
        content: '..';
    }

    80%,
    100% {
        content: '...';
    }
}