/* Common Styles - Shared across all pages */

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

:root {
    /* Material 3 Color Tokens - Dark Theme */
    --md-sys-color-primary: #bb86fc;
    --md-sys-color-on-primary: #000000;
    --md-sys-color-primary-container: #6200ee;
    --md-sys-color-on-primary-container: #ffffff;
    --md-sys-color-secondary: #03dac6;
    --md-sys-color-on-secondary: #000000;
    --md-sys-color-surface: #121212;
    --md-sys-color-surface-container: #1e1e1e;
    --md-sys-color-surface-container-high: #2d2d2d;
    --md-sys-color-surface-container-low: #1a1a1a;
    --md-sys-color-on-surface: #e1e1e1;
    --md-sys-color-on-surface-variant: #a1a1a1;
    --md-sys-color-outline: #444444;
    --md-sys-color-outline-variant: #333333;
    --md-sys-color-error: #cf6679;
    
    /* Hacker/Cyber Theme Accents */
    --cyber-green: #00ff41;
    --cyber-purple: #bb86fc;
    --cyber-blue: #64b5f6;
    --cyber-dark: #0a0a0f;
    --cyber-surface: #121218;
    
    /* Spacing */
    --nav-height: 80px;
    --footer-height: auto;
    --content-padding: 24px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--cyber-dark) 0%, #1a0a2e 50%, var(--cyber-dark) 100%);
    color: var(--md-sys-color-on-surface);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

/* Global Button Styles */
md-filled-button,
md-filled-tonal-button,
md-outlined-button {
    --md-filled-button-container-shape: 12px;
    --md-filled-tonal-button-container-shape: 12px;
    --md-outlined-button-container-shape: 12px;
    --md-filled-button-container-color: var(--cyber-green);
    --md-filled-button-label-text-color: var(--cyber-dark);
    --md-filled-tonal-button-container-color: rgba(0, 255, 65, 0.15);
    --md-filled-tonal-button-label-text-color: var(--cyber-green);
    --md-outlined-button-outline-color: var(--cyber-green);
    --md-outlined-button-label-text-color: var(--cyber-green);
    --md-filled-button-leading-space: 24px;
    --md-filled-button-trailing-space: 24px;
    --md-filled-button-container-height: 40px;
    --md-filled-button-with-icon-leading-space: 16px;
    --md-filled-button-with-icon-trailing-space: 24px;
    --md-filled-tonal-button-leading-space: 24px;
    --md-filled-tonal-button-trailing-space: 24px;
    --md-filled-tonal-button-container-height: 40px;
    --md-filled-tonal-button-with-icon-leading-space: 16px;
    --md-filled-tonal-button-with-icon-trailing-space: 24px;
    --md-outlined-button-leading-space: 24px;
    --md-outlined-button-trailing-space: 24px;
    --md-outlined-button-container-height: 40px;
    --md-outlined-button-with-icon-leading-space: 16px;
    --md-outlined-button-with-icon-trailing-space: 24px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 10px 24px;
}

md-filled-button [slot="icon"],
md-filled-tonal-button [slot="icon"],
md-outlined-button [slot="icon"] {
    font-size: 20px;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Outline class for buttons */
md-filled-button.outline,
md-filled-tonal-button.outline,
md-outlined-button.outline,
md-text-button.outline {
    outline: 2px solid var(--cyber-green);
    outline-offset: 2px;
}

md-filled-button:hover,
md-filled-tonal-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 255, 65, 0.3);
}

md-text-button {
    --md-text-button-container-shape: 8px;
}

/* Matrix Rain Background */
.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.15;
    pointer-events: none;
}

/* Navigation */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(90deg, rgba(10, 10, 15, 0.95) 0%, rgba(26, 10, 46, 0.85) 35%, rgba(98, 0, 238, 0.12) 50%, rgba(26, 10, 46, 0.85) 65%, rgba(10, 10, 15, 0.95) 100%);
    backdrop-filter: blur(40px) saturate(1.8);
    -webkit-backdrop-filter: blur(40px) saturate(1.8);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    z-index: 1000;
    box-shadow:
        0 8px 32px rgba(0, 255, 65, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(0, 255, 65, 0.08);
}

.top-nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 10%, rgba(0, 255, 65, 0.2) 30%, rgba(187, 134, 252, 0.3) 50%, rgba(0, 255, 65, 0.2) 70%, transparent 90%);
}

.top-nav::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyber-green), var(--cyber-purple), var(--cyber-green), transparent);
    opacity: 0.7;
    animation: navGlow 4s ease-in-out infinite alternate;
}

@keyframes navGlow {
    0% { opacity: 0.4; filter: blur(0px); }
    50% { opacity: 0.8; filter: blur(1px); }
    100% { opacity: 0.5; filter: blur(0px); }
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: var(--md-sys-color-on-surface);
    transition: transform 0.3s ease, filter 0.3s ease;
}

.nav-brand:hover {
    transform: scale(1.06);
    filter: drop-shadow(0 0 8px rgba(0, 255, 65, 0.3));
}

.nav-logo {
    height: 64px;
    width: auto;
    filter: drop-shadow(0 0 16px rgba(0, 255, 65, 0.5)) drop-shadow(0 0 4px rgba(187, 134, 252, 0.3));
    transition: filter 0.3s ease, transform 0.3s ease;
}

.nav-brand:hover .nav-logo {
    filter: drop-shadow(0 0 24px rgba(0, 255, 65, 0.7)) drop-shadow(0 0 8px rgba(187, 134, 252, 0.5));
    transform: scale(1.05);
}

.nav-title {
    display: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-links md-text-button {
    --md-text-button-label-text-color: var(--md-sys-color-on-surface);
    --md-text-button-hover-label-text-color: var(--cyber-green);
    --md-text-button-container-shape: 8px;
    --md-text-button-hover-state-layer-opacity: 0.1;
    --md-text-button-pressed-state-layer-opacity: 0.15;
    --md-text-button-label-text-size: 14px;
    --md-text-button-label-text-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links md-text-button::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cyber-purple), var(--cyber-green));
    transform: translateX(-50%);
    transition: width 0.3s ease;
    border-radius: 1px;
    box-shadow: 0 0 6px rgba(0, 255, 65, 0.4);
}

.nav-links md-text-button:hover::after,
.nav-links md-text-button[active]::after {
    width: 70%;
}

.nav-links md-text-button:hover {
    text-shadow: 0 0 8px rgba(0, 255, 65, 0.3);
}

.nav-links md-text-button[active] {
    --md-text-button-label-text-color: var(--cyber-green);
    text-shadow: 0 0 12px rgba(0, 255, 65, 0.4);
}

.menu-toggle {
    display: none;
    --md-icon-button-icon-color: var(--md-sys-color-on-surface);
}

.contact-button {
    --md-filled-button-container-color: var(--cyber-green);
    --md-filled-button-label-text-color: var(--cyber-dark);
    --md-filled-button-hover-container-color: var(--cyber-purple);
    --md-filled-button-container-shape: 24px;
    --md-filled-button-label-text-size: 14px;
    --md-filled-button-label-text-weight: 600;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 16px rgba(0, 255, 65, 0.3), 0 0 0 1px rgba(0, 255, 65, 0.1);
}

.contact-button:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 8px 24px rgba(0, 255, 65, 0.5), 0 0 0 1px rgba(0, 255, 65, 0.3);
}

/* Main Content */
main {
    flex: 1;
    margin-top: var(--nav-height);
    padding: var(--content-padding);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.page-header {
    text-align: center;
    padding: 48px 24px;
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--cyber-green);
    text-shadow: 0 0 30px rgba(0, 255, 65, 0.4);
    margin-bottom: 16px;
}

.page-header .subtitle {
    font-size: 1.25rem;
    color: var(--md-sys-color-on-surface-variant);
    max-width: 600px;
    margin: 0 auto;
}

.section-title {
    font-size: 1.5rem;
    color: var(--md-sys-color-on-surface);
    margin: 32px 0 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-align: center;
}

.section-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 24px;
    background: var(--cyber-green);
    border-radius: 2px;
    flex-shrink: 0;
}

/* Content sections for consistent spacing */
.content-section {
    margin-bottom: 48px;
}

/* Cards */
.cards-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin: 0 auto 32px auto;
    max-width: 1400px;
    justify-content: center;
}

.card {
    background: var(--md-sys-color-surface-container);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--md-sys-color-outline-variant);
    transition: all 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 320px;
    max-width: 100%;
}

.card:hover {
    border-color: var(--cyber-green);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.15);
    transform: translateY(-4px);
}

.card h3 {
    font-size: 1.25rem;
    color: var(--cyber-green);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.card p {
    color: var(--md-sys-color-on-surface-variant);
    margin-bottom: 16px;
}

.card-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    justify-content: center;
}

.card-meta span {
    background: var(--md-sys-color-surface-container-high);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 0.875rem;
    color: var(--md-sys-color-on-surface-variant);
}

.card-meta span.language {
    border: 1px solid var(--cyber-purple);
    color: var(--cyber-purple);
}

.card-actions {
    display: flex;
    gap: 12px;
    margin-top: auto;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
}

/* Footer */
footer {
    background: rgba(18, 18, 24, 0.98);
    border-top: 1px solid var(--md-sys-color-outline-variant);
    padding: 48px 24px 24px;
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.footer-section h4 {
    color: var(--cyber-green);
    margin-bottom: 16px;
    font-size: 1rem;
}

.footer-section p {
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links a {
    color: var(--md-sys-color-on-surface-variant);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--cyber-green);
}

.social-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.social-links md-filled-tonal-icon-button {
    --md-filled-tonal-icon-button-container-color: linear-gradient(135deg, rgba(187, 134, 252, 0.15) 0%, rgba(0, 255, 65, 0.05) 100%);
    --md-filled-tonal-icon-button-icon-color: var(--cyber-green);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid rgba(0, 255, 65, 0.2);
    border-radius: 12px;
}

.social-links md-filled-tonal-icon-button:hover {
    --md-filled-tonal-icon-button-container-color: linear-gradient(135deg, var(--cyber-green) 0%, var(--cyber-purple) 100%);
    --md-filled-tonal-icon-button-icon-color: var(--cyber-dark);
    transform: translateY(-6px) scale(1.1);
    box-shadow: 0 12px 32px rgba(0, 255, 65, 0.3);
    border-color: var(--cyber-green);
}

.social-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.footer-bottom {
    max-width: 1400px;
    margin: 32px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--md-sys-color-outline-variant);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.875rem;
}

/* Mobile Drawer */
.mobile-drawer {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100vh;
    background: var(--md-sys-color-surface-container);
    z-index: 2000;
    transition: left 0.3s ease;
    overflow-y: auto;
}

.mobile-drawer.open {
    left: 0;
}

.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.drawer-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.drawer-header h2 {
    color: var(--cyber-green);
    font-size: 1.25rem;
}

.drawer-nav {
    padding: 16px;
}

.drawer-nav a {
    display: block;
    padding: 12px 16px;
    color: var(--md-sys-color-on-surface);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
}

.drawer-nav a:hover,
.drawer-nav a.active {
    background: var(--md-sys-color-surface-container-high);
    color: var(--cyber-green);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .top-nav {
        padding: 0 16px;
    }
    
    .nav-links {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    main {
        padding: 16px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}