:root {
    /* Color Palette */
    --clr-bg: #121414;
    --clr-surface: #1e2020;
    --clr-surface-light: #282a2b;
    --clr-surface-high: #333535;
    --clr-surface-lowest: #0c0f0f;
    --clr-primary: #00e676;
    --clr-primary-bright: #64ffda;
    --clr-primary-dark: #00391c;
    --clr-accent: #ccff90;

    --clr-text-main: #e2e2e2;
    --clr-text-muted: #c8c6c5;
    --clr-text-dark: #313030;

    --clr-glass: rgba(18, 20, 20, 0.85);
    --clr-glass-border: rgba(0, 230, 118, 0.15);

    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing & Layout */
    --container-max: 1200px;
    --border-radius-sm: 0px;
    --border-radius-md: 0px;
    --border-radius-lg: 0px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Solo Leveling Custom Utilities */
.comic-panel-border {
    border: 2px solid #000000;
    box-shadow: 4px 4px 0px 0px #000000;
}

.action-skew {
    transform: skew(-3deg);
    transition: transform 0.2s ease-in-out;
}

.action-skew:hover {
    transform: skew(0deg);
}

.ben-day-pattern {
    background-image: radial-gradient(var(--clr-surface-high) 1px, transparent 1px);
    background-size: 8px 8px;
    opacity: 0.15;
}

.cyber-green-shadow {
    box-shadow: 6px 6px 0px 0px #000000;
}

.nav-ink-wash {
    backdrop-filter: blur(12px);
    background-color: rgba(18, 20, 20, 0.85);
}

.border-black {
    border-color: #000000 !important;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    /* Firefox Scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--clr-surface-light) var(--clr-bg);
}

/* Webkit Scrollbars */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}
::-webkit-scrollbar-track {
    background: var(--clr-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--clr-surface-light);
    border-radius: 6px;
    border: 3px solid var(--clr-bg);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--clr-primary);
    border-color: var(--clr-bg);
}

html,
body {
    background-color: var(--clr-bg);
    color: var(--clr-text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100%;
}

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

a:hover {
    color: var(--clr-primary-bright);
}

ul {
    list-style: none;
}

.container {
    width: 90%;
    max-width: var(--container-max);
    margin: 0 auto;
}

/* Typography Utility */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.highlight {
    color: var(--clr-accent);
}

.highlight-gradient {
    background: linear-gradient(90deg, var(--clr-primary-bright), var(--clr-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary,
.btn-primary-large {
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
    color: var(--clr-text-main);
    border: 1px solid var(--clr-primary-bright);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    padding: 0.6rem 1.5rem;
    font-size: 0.95rem;
}

.btn-primary-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-primary:hover,
.btn-primary-large:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, var(--clr-primary-bright), var(--clr-primary));
    color: var(--clr-bg);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--clr-text-main);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(4px);
    transition: all var(--transition-smooth);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-2 {
    margin-top: 2rem;
}