/* =============================================
   CSS Variables - Dark Theme
   ============================================= */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2e;
    --bg-card: #16161e;
    
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --accent-primary: #00ff88;
    --accent-secondary: #00ccff;
    --accent-tertiary: #ff6b6b;
    
    --border-color: #27272a;
    
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    
    --glow-primary: 0 0 20px rgba(0, 255, 136, 0.3);
    --glow-secondary: 0 0 20px rgba(0, 204, 255, 0.3);
}

/* =============================================
   Reset & Base
   ============================================= */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* =============================================
   Navigation
   ============================================= */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.blink {
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--accent-primary);
}

.nav-links a.active {
    color: var(--accent-primary);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: 1rem;
    padding-left: 1rem;
    border-left: 1px solid var(--border-color);
}

.user-badge {
    color: var(--accent-secondary);
    font-size: 0.85rem;
}

.logout-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    transition: color var(--transition-fast);
}

.logout-link:hover {
    color: var(--accent-tertiary);
}

.main-content {
    padding-top: 80px;
    min-height: calc(100vh - 150px);
}

/* =============================================
   Hero Section
   ============================================= */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    position: relative;
    background: 
        radial-gradient(ellipse at top, rgba(0, 255, 136, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(0, 204, 255, 0.05) 0%, transparent 50%);
}

/* Terminal Window */
.terminal-window {
    width: 100%;
    max-width: 700px;
    background: var(--bg-secondary);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.5),
        var(--glow-primary);
    border: 1px solid var(--border-color);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: linear-gradient(180deg, #3c3c3c 0%, #2a2a2a 100%);
    border-bottom: 1px solid var(--border-color);
}

.terminal-icon {
    font-size: 14px;
    opacity: 0.8;
}

.terminal-actions {
    margin-left: auto;
    display: flex;
    gap: 0;
}

.terminal-btn {
    width: 28px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.terminal-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.terminal-btn.close:hover {
    background: #e81123;
    color: white;
}

/* =============================================
   Authentication Gate Styles
   ============================================= */
.auth-gate {
    display: flex;
    justify-content: center;
    padding: 2rem 0;
}

.auth-terminal {
    max-width: 600px;
    width: 100%;
}

.sudo-prompt {
    color: var(--accent-secondary);
}

.auth-form {
    margin: 0.5rem 0;
}

.password-input-wrapper {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--accent-primary);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
    padding: 0.5rem 0;
    outline: none;
    letter-spacing: 3px;
}

.terminal-input::placeholder {
    color: var(--text-muted);
    letter-spacing: 3px;
}

.terminal-input:focus {
    border-bottom-color: var(--accent-secondary);
}

.auth-submit {
    background: transparent;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-size: 1.2rem;
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: 4px;
}

.auth-submit:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.error-line {
    margin-top: 0.5rem;
}

.error-text {
    color: var(--accent-tertiary);
}

.hint-line {
    margin-top: 1rem;
}

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

.auth-status {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 0.75rem 1rem;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--accent-primary);
    border-radius: 6px;
    width: fit-content;
}

.status-unlocked {
    color: var(--accent-primary);
    font-weight: 700;
}

.logout-btn {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.25rem 0.75rem;
    border: 1px solid var(--text-muted);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    color: var(--accent-tertiary);
    border-color: var(--accent-tertiary);
}

.terminal-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.terminal-body {
    padding: 1.5rem;
    min-height: 200px;
}

.terminal-line {
    margin-bottom: 1rem;
}

.prompt {
    color: var(--accent-primary);
}

.command {
    color: var(--text-primary);
    margin-left: 0.5rem;
}

.terminal-output {
    display: flex;
    align-items: flex-start;
}

.terminal-output p {
    font-size: 1.1rem;
    color: var(--accent-secondary);
    line-height: 1.8;
}

.cursor {
    color: var(--accent-primary);
    animation: cursor-blink 0.7s step-end infinite;
    margin-left: 2px;
}

@keyframes cursor-blink {
    50% { opacity: 0; }
}

/* Scroll Hint */
.scroll-hint {
    position: absolute;
    bottom: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    animation: float 2s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.scroll-arrow {
    font-size: 1.2rem;
}

/* =============================================
   Sections
   ============================================= */
.section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.section-title .hash {
    color: var(--accent-primary);
}

.section-subtitle {
    color: var(--text-muted);
    margin-bottom: 3rem;
    font-size: 0.9rem;
}

/* =============================================
   Gallery
   ============================================= */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    aspect-ratio: 4/3;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-secondary);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item::after {
    content: attr(data-caption);
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    color: var(--text-primary);
    font-size: 0.85rem;
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.gallery-item:hover::after {
    transform: translateY(0);
}

/* =============================================
   Videos
   ============================================= */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 2rem;
}

.video-item {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.video-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-primary);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-title {
    padding: 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
}

/* =============================================
   Dotfiles
   ============================================= */
.dotfiles-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.dotfile-card {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.dotfile-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

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

.dotfile-name {
    font-weight: 700;
    color: var(--accent-primary);
}

.copy-btn {
    margin-left: auto;
    padding: 0.4rem 1rem;
    background: transparent;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.copy-btn.copied {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.code-block {
    padding: 1.5rem;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.7;
}

.code-block code {
    color: var(--text-secondary);
}

.github-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
    width: fit-content;
}

.github-link:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--glow-primary);
}

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

/* =============================================
   Footer
   ============================================= */
.footer {
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.footer-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.heart {
    color: var(--accent-tertiary);
    animation: heartbeat 1.5s ease infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.footer-year {
    color: var(--text-muted);
}

/* =============================================
   Lightbox
   ============================================= */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

.lightbox.active {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: var(--text-primary);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--accent-tertiary);
}

.lightbox-content {
    max-width: 90%;
    max-height: 80%;
    border-radius: 8px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

#lightbox-caption {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-links a {
        font-size: 0.8rem;
    }
    
    .hero {
        padding-top: 120px;
    }
    
    .terminal-window {
        margin: 0 1rem;
    }
    
    .terminal-output p {
        font-size: 0.95rem;
    }
    
    .section {
        padding: 4rem 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* =============================================
   Glitch Effect (optional - for extra flair)
   ============================================= */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    animation: glitch-1 0.3s infinite linear alternate-reverse;
    color: var(--accent-tertiary);
    clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
}

.glitch::after {
    animation: glitch-2 0.3s infinite linear alternate-reverse;
    color: var(--accent-secondary);
    clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
}

@keyframes glitch-1 {
    0% { transform: translateX(-2px); }
    100% { transform: translateX(2px); }
}

@keyframes glitch-2 {
    0% { transform: translateX(2px); }
    100% { transform: translateX(-2px); }
}