/* Catppuccin Theme Variables */
:root {
    /* Mocha (Dark Theme) */
    --ctp-rosewater: #f5e0dc;
    --ctp-flamingo: #f2cdcd;
    --ctp-pink: #f5c2e7;
    --ctp-mauve: #cba6f7;
    --ctp-red: #f38ba8;
    --ctp-maroon: #eba0ac;
    --ctp-peach: #fab387;
    --ctp-yellow: #f9e2af;
    --ctp-green: #a6e3a1;
    --ctp-teal: #94e2d5;
    --ctp-sky: #89dceb;
    --ctp-sapphire: #74c7ec;
    --ctp-blue: #89b4fa;
    --ctp-lavender: #b4befe;
    --ctp-text: #cdd6f4;
    --ctp-subtext1: #bac2de;
    --ctp-subtext0: #a6adc8;
    --ctp-overlay2: #9399b2;
    --ctp-overlay1: #7f849c;
    --ctp-overlay0: #6c7086;
    --ctp-surface2: #585b70;
    --ctp-surface1: #45475a;
    --ctp-surface0: #313244;
    --ctp-base: #1e1e2e;
    --ctp-mantle: #181825;
    --ctp-crust: #11111b;

    --bg-color: var(--ctp-base);
    --sidebar-bg: var(--ctp-mantle);
    --card-bg: var(--ctp-surface0);
    --text-color: var(--ctp-text);
    --heading-color: var(--ctp-mauve);
    --link-color: var(--ctp-blue);
    --link-hover: var(--ctp-sky);
    --border-color: var(--ctp-surface1);
    --code-bg: var(--ctp-crust);

    --font-mono: 'JetBrains Mono', monospace;
    --font-body: 'Inter', sans-serif;
    --font-heading: 'Rajdhani', sans-serif;
}

[data-theme="light"] {
    /* Latte (Light Theme) */
    --ctp-rosewater: #dc8a78;
    --ctp-flamingo: #dd7878;
    --ctp-pink: #ea76cb;
    --ctp-mauve: #8839ef;
    --ctp-red: #d20f39;
    --ctp-maroon: #e64553;
    --ctp-peach: #fe640b;
    --ctp-yellow: #df8e1d;
    --ctp-green: #40a02b;
    --ctp-teal: #179299;
    --ctp-sky: #04a5e5;
    --ctp-sapphire: #209fb5;
    --ctp-blue: #1e66f5;
    --ctp-lavender: #7287fd;
    --ctp-text: #4c4f69;
    --ctp-subtext1: #5c5f77;
    --ctp-subtext0: #6c6f85;
    --ctp-overlay2: #7c7f93;
    --ctp-overlay1: #8c8fa1;
    --ctp-overlay0: #9ca0b0;
    --ctp-surface2: #acb0be;
    --ctp-surface1: #bcc0cc;
    --ctp-surface0: #ccd0da;
    --ctp-base: #eff1f5;
    --ctp-mantle: #e6e9ef;
    --ctp-crust: #dce0e8;

    --bg-color: var(--ctp-base);
    --sidebar-bg: var(--ctp-mantle);
    --card-bg: #ffffff;
    --text-color: var(--ctp-text);
    --heading-color: var(--ctp-mauve);
    --link-color: var(--ctp-blue);
    --border-color: var(--ctp-surface2);
    --code-bg: var(--ctp-mantle);
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    color: var(--link-color);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--link-hover);
}

/* Typography */
h1,
h2,
h3,
h4,
.logo,
.main-nav a,
summary {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
}

/* 3-Column Grid */
.app-layout {
    display: grid;
    grid-template-columns: 260px 1fr 320px;
    /* Wider right sidebar for tree */
    grid-template-areas: "sidebar-left main sidebar-right";
    min-height: 100vh;
    max-width: 2000px;
    margin: 0 auto;
}

/* sidebar-left */
.sidebar-left {
    grid-area: sidebar-left;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    padding: 2.5rem 1.5rem;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;

    /* Layout */
    display: flex;
    flex-direction: column;
}

/* ... logo / nav ... */

/* Sidebar Footer (Bottom) */
.sidebar-footer {
    margin-top: auto;
    /* Pushes to bottom */
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

/* Left Sidebar Neko */
.neko-widget-left {
    text-align: center;
    /* Cleaned up margins */
}

/* flag{css_1nsp3ct0r_g4dg3t} */

/* Reward Badge */
#elite-badge {
    margin-top: 1rem;
    padding: 0.5rem;
    border: 1px solid #ffd700;
    color: #ffd700;
    text-align: center;
    border-radius: 4px;
    font-family: 'Rajdhani', sans-serif;
    font-weight: bold;
    letter-spacing: 1px;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
    animation: pulse-gold 2s infinite;
    cursor: help;
}

.hidden-badge {
    display: none;
}

.visible-badge {
    display: block;
    animation: pop-in 0.5s ease-out, pulse-gold 2s infinite;
}

@keyframes pulse-gold {
    0% {
        box-shadow: 0 0 5px rgba(255, 215, 0, 0.3);
    }

    50% {
        box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
    }

    100% {
        box-shadow: 0 0 5px rgba(255, 215, 0, 0.3);
    }
}

@keyframes pop-in {
    0% {
        transform: scale(0);
        opacity: 0;
    }

    80% {
        transform: scale(1.1);
        opacity: 1;
    }

    100% {
        transform: scale(1);
    }
}

/* Confetti */
.confetti {
    position: fixed;
    top: -10px;
    width: 10px;
    height: 10px;
    background-color: #f00;
    z-index: 9999;
    animation: fall linear forwards;
}

@keyframes fall {
    to {
        transform: translateY(100vh) rotate(720deg);
    }
}

.logo {
    font-size: 2.8rem;
    color: var(--ctp-pink);
    margin-bottom: 2rem;
    display: inline-block;
}

.logo:hover {
    animation: glitch-color 0.4s cubic-bezier(.25, .46, .45, .94) both infinite;
    color: var(--ctp-red);
}

@keyframes glitch-color {
    0% {
        transform: translate(0);
        color: var(--ctp-pink);
        text-shadow: -2px 2px var(--ctp-blue);
    }

    20% {
        transform: translate(-2px, 2px);
        color: var(--ctp-red);
        text-shadow: 2px -2px var(--ctp-green);
    }

    40% {
        transform: translate(-2px, -2px);
        color: var(--ctp-pink);
        text-shadow: 2px 2px var(--ctp-blue);
    }

    60% {
        transform: translate(2px, 2px);
        color: var(--ctp-red);
        text-shadow: -2px -2px var(--ctp-green);
    }

    80% {
        transform: translate(2px, -2px);
        color: var(--ctp-pink);
        text-shadow: -2px 2px var(--ctp-blue);
    }

    100% {
        transform: translate(0);
        color: var(--ctp-pink);
        text-shadow: 2px -2px var(--ctp-green);
    }
}

.main-nav ul {
    list-style: none;
    padding-top: 1rem;
}

.main-nav li {
    margin-bottom: 0.5rem;
}

.main-nav a {
    display: block;
    padding: 0.8rem 1rem;
    font-size: 1.1rem;
    border-left: 2px solid transparent;
}

.main-nav a:hover {
    background: var(--ctp-surface0);
    border-left-color: var(--ctp-pink);
    padding-left: 1.5rem;
    color: var(--ctp-pink);
}

/* Main Content */
.main-content {
    grid-area: main;
    padding: 5rem 6rem;
    /* Increased padding / cleaner spacing */
    background: var(--bg-color);
    max-width: 1400px;
    /* Prevent being too wide */
    margin: 0 auto;
    width: 100%;
}

.page-header h1 {
    font-size: 3rem;
    margin: 1.5rem 0;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.breadcrumbs {
    font-family: var(--font-mono);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    color: var(--ctp-subtext0);
}

.breadcrumbs a {
    color: var(--ctp-overlay1);
}

.breadcrumbs a:hover {
    color: var(--ctp-pink);
}

/* Sidebar Right */
.sidebar-right {
    grid-area: sidebar-right;
    background: var(--sidebar-bg);
    border-left: 1px solid var(--border-color);
    padding: 2rem;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    /* Scrollable for long trees */
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.top-controls {
    display: flex;
    justify-content: flex-end;
}

#theme-toggle {
    background: transparent;
    border: 2px solid var(--ctp-yellow);
    color: var(--ctp-yellow);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    cursor: pointer;
}

#theme-toggle:hover {
    background: var(--ctp-yellow);
    color: var(--ctp-base);
}

/* Retro Search */
.search-widget input {
    width: 100%;
    background: #000;
    border: 2px solid var(--ctp-green);
    color: var(--ctp-green);
    font-family: var(--font-mono);
    padding: 1rem;
    font-size: 1rem;
    border-radius: 0;
}

.search-widget input::placeholder {
    color: rgba(166, 227, 161, 0.5);
}

.search-widget h3 {
    color: var(--ctp-green);
    border-color: var(--ctp-green);
}

/* Tree Widget in Sidebar */
.tree-widget h3 {
    color: var(--ctp-mauve);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.tree-list {
    list-style: none;
    padding-left: 0.5rem;
    border-left: 1px solid var(--ctp-surface1);
    margin-left: 0.5rem;
}

.tree-item {
    margin: 0.4rem 0;
    font-size: 0.95rem;
}

/* Tree Arrows & Styling */
/* Tree Arrows & Styling */
summary {
    cursor: pointer;
    position: relative;
    padding-left: 1.2rem;
    color: var(--ctp-text);
    transition: color 0.2s;
    list-style: none;
    /* Hide default arrow Standard */
}

summary:hover {
    color: var(--ctp-blue);
}

summary::marker,
summary::-webkit-details-marker {
    display: none !important;
    content: "";
    /* Hide default Force */
}

/* Custom Arrow on Left */
summary::before {
    content: "►";
    font-size: 0.7rem;
    color: var(--ctp-overlay1);
    position: absolute;
    left: 0;
    top: 2px;
    transition: transform 0.2s;
}

details[open]>summary::before {
    transform: rotate(90deg);
    color: var(--ctp-pink);
}

details[open]>summary {
    color: var(--ctp-pink);
}

.folder-link {
    margin-left: 0.3rem;
    color: inherit;
}

.tree-item.file a {
    padding-left: 1.5rem;
    display: block;
    color: var(--ctp-subtext0);
}

.tree-item.file a:hover,
.active-file {
    color: var(--ctp-green) !important;
    background: var(--ctp-surface0);
}



/* Content Separation */
.main-content h2 {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--ctp-overlay0);
    color: var(--ctp-mauve);
}

.main-content p {
    margin-bottom: 1.2rem;
}

.main-content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.main-content li {
    margin-bottom: 0.5rem;
}

/* Mobile Toggle */
.mobile-only {
    display: none;
}

#sidebar-toggle {
    background: transparent;
    border: 1px solid var(--ctp-overlay0);
    color: var(--ctp-pink);
    font-size: 1.5rem;
    padding: 0.2rem 0.8rem;
    cursor: pointer;
    margin-right: 1rem;
    float: left;
    /* Align left of breadcrumbs */
}

#sidebar-toggle:hover {
    background: var(--ctp-surface0);
}

/* Section List (Index Page Content) */
.section-list {
    margin-top: 2rem;
    border-top: 1px dashed var(--ctp-overlay0);
    padding-top: 1rem;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    list-style: none;
    padding-left: 0 !important;
    /* Override default */
}

.content-item {
    background: var(--ctp-surface0);
    border: 1px solid var(--ctp-surface1);
    padding: 1rem;
    border-radius: 4px;
    transition: transform 0.2s, rotate 0.2s;
}

.content-item:hover {
    transform: translateY(-2px);
    border-color: var(--ctp-pink);
}

.content-item a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: bold;
}

.content-icon {
    font-size: 1.2rem;
}

.content-item p {
    font-size: 0.85rem;
    color: var(--ctp-subtext0);
    margin-top: 0.5rem;
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 1200px) {
    .app-layout {
        /* Keep 2 columns: Nav | Main. Right Sidebar hidden behind toggle */
        grid-template-columns: 240px 1fr;
        grid-template-areas: "sidebar-left main";
    }

    .mobile-only {
        display: block;
    }

    .sidebar-right {
        position: fixed;
        top: 0;
        right: -320px;
        /* Hide off-screen */
        width: 300px;
        height: 100vh;
        z-index: 1000;
        transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 1px solid var(--ctp-pink);
        box-shadow: -10px 0 20px rgba(0, 0, 0, 0.5);
    }

    .sidebar-right.active {
        right: 0;
    }
}

@media (max-width: 768px) {
    .app-layout {
        grid-template-columns: 1fr;
        grid-template-areas: "sidebar-left" "main";
    }

    .sidebar-left {
        height: auto;
        position: static;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 1rem;
    }

    /* Make Left Sidebar compact on mobile or keep as is? User didn't complain about left. */
    .sidebar-left nav {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
    }

    .sidebar-left ul {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
        padding-top: 0;
    }

    .logo {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }

    .neko-widget-left {
        margin-top: 1rem;
        border: none;
    }

    .main-content {
        padding: 2rem 1rem;
    }
}

/* --- Round 6 Updates --- */

/* Distinct Cyber Logo */
.logo {
    font-family: 'Audiowide', cursive;
    font-size: 2.2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: linear-gradient(90deg, var(--ctp-pink), var(--ctp-mauve));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(245, 194, 231, 0.3);
}

/* Theme Toggle (Left Sidebar) */
.theme-controls {
    margin-top: 1rem;
    text-align: center;
}

.theme-controls #theme-toggle {
    background: var(--ctp-surface0);
    border: 1px solid var(--ctp-surface1);
    color: var(--ctp-text);
    padding: 0.5rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    /* Default (Dark Mode / Moon): Dark Glow */
    box-shadow: 0 0 15px rgba(20, 20, 30, 0.8);
    border-color: var(--ctp-mauve);
}

[data-theme="light"] .theme-controls #theme-toggle {
    /* Light Mode (Sun): Light Glow */
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
    border-color: var(--ctp-yellow);
    background: #fff;
    color: var(--ctp-yellow);
}

.theme-controls #theme-toggle:hover {
    background: var(--ctp-surface1);
    border-color: var(--ctp-pink);
    transform: rotate(15deg);
}

/* Cyber Globe Widget (Right Sidebar) */
.globe-widget {
    display: flex;
    justify-content: center;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

.cyber-globe {
    width: 120px;
    height: 120px;
    position: relative;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.globe-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border: 2px solid var(--ctp-blue);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 10px var(--ctp-blue);
    opacity: 0.7;
}

.globe-ring:nth-child(1) {
    animation: spin-x 4s linear infinite;
}

.globe-ring:nth-child(2) {
    animation: spin-y 5s linear infinite;
    width: 80%;
    height: 80%;
    border-color: var(--ctp-pink);
    box-shadow: 0 0 10px var(--ctp-pink);
}

.globe-ring:nth-child(3) {
    animation: spin-z 6s linear infinite;
    width: 60%;
    height: 60%;
    border-color: var(--ctp-mauve);
}

.globe-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20%;
    height: 20%;
    background: var(--ctp-text);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 20px var(--ctp-text);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes spin-x {
    0% {
        transform: translate(-50%, -50%) rotateX(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotateX(360deg);
    }
}

@keyframes spin-y {
    0% {
        transform: translate(-50%, -50%) rotateY(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotateY(360deg);
    }
}

@keyframes spin-z {
    0% {
        transform: translate(-50%, -50%) rotateZ(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotateZ(360deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0.4;
    }
}

/* --- Round 7 Updates --- */

/* Branding Layout (Logo + Toggle) */
.site-branding {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px dashed var(--ctp-surface1);
    /* Clean Divider */
}

.brand-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.2rem;
}

.logo-link {
    text-decoration: none;
    border: none !important;
}

.logo-link:hover .logo {
    text-shadow: 0 0 15px rgba(245, 194, 231, 0.6);
}

/* Re-style toggle for new position - Clean & Glowing */
#theme-toggle {
    margin: 0;
    width: 32px;
    height: 32px;
    font-size: 1.2rem;
    background: transparent;
    border: none !important;
    /* No circle */
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ctp-text);
}

#theme-toggle:hover {
    color: var(--ctp-yellow);
    background: transparent;
    transform: rotate(15deg) scale(1.1);
    filter: drop-shadow(0 0 5px var(--ctp-yellow));
    /* Glow effect */
}

/* Cleanup old theme-controls if valid */
.theme-controls {
    display: none;
}

/* Tree Highlight for Current Page */
.active-file {
    color: var(--ctp-green) !important;
    font-weight: bold;
    text-shadow: 0 0 5px rgba(166, 227, 161, 0.4);
    position: relative;
    padding-left: 0.5rem;
}

.active-file::before {
    content: '►';
    position: absolute;
    left: -0.8rem;
    color: var(--ctp-pink);
    font-size: 0.8rem;
    animation: blink 1s infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

/* Easter Egg: Barrel Roll */
.barrel-roll {
    animation: roll 1s ease-in-out;
}

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

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

/* Easter Egg: Hacker Mode (Matrix) */
.hackermode {
    filter: invert(1) hue-rotate(180deg);
}

/* Easter Egg: BSOD */
#bsod {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #0078d7;
    /* Windows Blue */
    color: white;
    z-index: 9999;
    display: none;
    /* Hidden by default */
    align-items: center;
    padding: 10%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    /* OS font */
    cursor: none;
    /* Hide cursor for realism */
}

#bsod.visible {
    display: flex;
}

.bsod-content h1 {
    font-size: 8rem;
    margin-bottom: 2rem;
    font-weight: normal;
}

.bsod-content p {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.bsod-details {
    display: flex;
    align-items: center;
    margin-top: 3rem;
    gap: 1rem;
}

.bsod-qr {
    width: 100px;
    height: 100px;
    background: white;
    /* Fallback */
}

.bsod-text {
    font-size: 1rem;
}

.hackermode {
    filter: invert(1) hue-rotate(180deg);
    /* Simple cheap matrix effect */
}

.hackermode::before {
    content: "SYSTEM COMPROMISED";
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 5rem;
    color: red;
    z-index: 9999;
    font-family: 'Audiowide', cursive;
    pointer-events: none;
    opacity: 0.3;
}

/* --- Round 8 Updates --- */

/* Distinguishable Tags */
.tags-container {
    margin-top: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.8rem;
    opacity: 0.9;
}

.tag {
    background-color: var(--ctp-surface0);
    color: var(--ctp-blue);
    padding: 2px 10px;
    border-radius: 15px;
    font-family: 'Courier New', monospace;
    font-weight: bold;
    border: 1px solid var(--ctp-surface1);
    transition: all 0.2s ease;
    text-transform: lowercase;
}

.tag:hover {
    background-color: var(--ctp-surface1);
    color: var(--ctp-pink);
    border-color: var(--ctp-pink);
    transform: translateY(-2px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}