/* CSS Reset & Global Base Styling */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-darker);
}

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    background-color: var(--bg-dark);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Background overlay lines and dots */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    background-position: center top;
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle 800px at 50% -200px, rgba(0, 229, 255, 0.07), transparent 80%);
    pointer-events: none;
    z-index: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: #ffffff;
    letter-spacing: -0.02em;
}

p {
    margin-bottom: 1rem;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-green);
    text-shadow: 0 0 8px rgba(0, 245, 118, 0.3);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

button {
    cursor: pointer;
}

ul, ol {
    list-style: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: #020306;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 229, 255, 0.15);
    border-radius: 3px;
    transition: var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
    box-shadow: 0 0 8px var(--accent-cyan);
}

/* Text Selection */
::selection {
    background: rgba(0, 229, 255, 0.25);
    color: #ffffff;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

.text-cyan { color: var(--accent-cyan); }
.text-green { color: var(--accent-green); }
.text-purple { color: var(--accent-purple); }
.text-red { color: var(--accent-red); }
.text-orange { color: var(--accent-orange); }

.glow-text-cyan { text-shadow: 0 0 10px rgba(0, 229, 255, 0.5); }
.glow-text-green { text-shadow: 0 0 10px rgba(0, 245, 118, 0.5); }

/* Glitch styling helper for cyber effect */
.cyber-glitch {
    position: relative;
}

/* Modern Card base class */
.cyber-card {
    background: var(--bg-panel);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-cyan);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.cyber-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.cyber-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 10px 30px -10px rgba(0, 229, 255, 0.2);
    transform: translateY(-2px);
}

.cyber-card:hover::before {
    transform: scaleX(1);
}

/* Cyber Button */
.cyber-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
    padding: 0.6rem 1.4rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    transition: var(--transition-fast);
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.05);
    position: relative;
    overflow: hidden;
    clip-path: polygon(8px 0%, 100% 0%, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0% 100%, 0% 8px);
}

.cyber-btn::before {
    content: '[';
    margin-right: 0.25rem;
    opacity: 0;
    transform: translateX(-5px);
    transition: var(--transition-fast);
}

.cyber-btn::after {
    content: ']';
    margin-left: 0.25rem;
    opacity: 0;
    transform: translateX(5px);
    transition: var(--transition-fast);
}

.cyber-btn:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.cyber-btn:hover::after {
    opacity: 1;
    transform: translateX(0);
}

.cyber-btn:hover {
    background: rgba(0, 229, 255, 0.1);
    box-shadow: var(--glow-cyan);
    text-shadow: 0 0 5px var(--accent-cyan);
}

.cyber-btn-green {
    color: var(--accent-green);
    border-color: var(--accent-green);
    box-shadow: 0 0 10px rgba(0, 245, 118, 0.05);
}

.cyber-btn-green:hover {
    background: rgba(0, 245, 118, 0.1);
    box-shadow: var(--glow-green);
    text-shadow: 0 0 5px var(--accent-green);
}

.cyber-btn-purple {
    color: var(--accent-purple);
    border-color: var(--accent-purple);
    box-shadow: 0 0 10px rgba(189, 0, 255, 0.05);
}

.cyber-btn-purple:hover {
    background: rgba(189, 0, 255, 0.1);
    box-shadow: var(--glow-purple);
    text-shadow: 0 0 5px var(--accent-purple);
}

.cyber-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    border: 1px solid currentColor;
    text-transform: uppercase;
    font-weight: 500;
    display: inline-block;
}

.cyber-badge-cyan { color: var(--accent-cyan); background: rgba(0, 229, 255, 0.05); }
.cyber-badge-green { color: var(--accent-green); background: rgba(0, 245, 118, 0.05); }
.cyber-badge-purple { color: var(--accent-purple); background: rgba(189, 0, 255, 0.05); }
.cyber-badge-red { color: var(--accent-red); background: rgba(255, 0, 60, 0.05); }
.cyber-badge-orange { color: var(--accent-orange); background: rgba(255, 108, 0, 0.05); }

/* Code Block & Syntax Highlighting Details */
pre {
    background: #020306 !important;
    border: 1px solid var(--border-light) !important;
    border-radius: 0 0 4px 4px !important;
    padding: 1.25rem;
    overflow-x: auto;
    position: relative;
    font-family: var(--font-mono);
    margin: 0 0 1.5rem 0 !important;
}

/* Fenced Code Block Top Bar Styling */
.code-header-block {
    background: #0a0e17;
    border: 1px solid var(--border-light);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 1.5rem;
    letter-spacing: 0.02em;
}

.code-header-block .code-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-main);
}

.code-header-block .code-title .dots {
    display: flex;
    gap: 5px;
}

.code-header-block .code-title .dots span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    display: inline-block;
}

.code-header-block .code-title .dots span.r { background: #ff5f56; }
.code-header-block .code-title .dots span.y { background: #ffbd2e; }
.code-header-block .code-title .dots span.g { background: #27c93f; }

.code-header-block .copy-code-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-light);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-muted);
    font-size: 0.7rem;
}

.code-header-block .copy-code-btn:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
    background: rgba(0, 229, 255, 0.05);
}