/* ============================================
   GAWSTU.COM — Design System
   ============================================ */

/* --- Custom Properties --- */
:root {
    --bg-primary: #050505;
    --bg-secondary: #0a0a0a;
    --bg-card: rgba(15, 15, 15, 0.8);
    --border-card: rgba(57, 217, 138, 0.1);
    --green: #39d98a;
    --green-dim: rgba(57, 217, 138, 0.3);
    --green-glow: rgba(57, 217, 138, 0.15);
    --teal: #2dd4bf;
    --text-primary: #f5f5f5;
    --text-secondary: #a0a0a0;
    --danger: #ef4444;
    --warning: #f59e0b;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 5rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --glow: 0 0 20px rgba(57, 217, 138, 0.3);
    --glow-strong: 0 0 40px rgba(57, 217, 138, 0.5);
    --transition: 0.2s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}
a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--teal); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}
h1 { font-size: 3rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
.text-secondary { color: var(--text-secondary); }
.text-green { color: var(--green); }
.text-center { text-align: center; }
.text-mono { font-family: var(--font-mono); }

/* --- Layout --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}
.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* --- Section Spacing --- */
section {
    padding: var(--space-3xl) 0;
}
.section-title {
    font-size: 2rem;
    margin-bottom: var(--space-2xl);
    position: relative;
    display: inline-block;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--green);
    border-radius: 2px;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: background var(--transition), backdrop-filter var(--transition);
}
.navbar.scrolled {
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-card);
}
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 0.05em;
}
.navbar-brand:hover { color: var(--green); }
.navbar-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}
.navbar-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}
.navbar-links a:hover { color: var(--text-primary); }
.navbar-links a.active { color: var(--green); }
.navbar-auth {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}
.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Mobile menu */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: var(--transition);
}
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 5, 0.98);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
}
.mobile-menu.active { display: flex; }
.mobile-menu a {
    font-size: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
}
.mobile-menu a:hover { color: var(--green); }
.mobile-close {
    position: absolute;
    top: var(--space-xl);
    right: var(--space-xl);
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
}

/* --- Hero --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero-content {
    position: relative;
    z-index: 2;
}
.hero-title {
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 900;
    letter-spacing: 0.05em;
    text-shadow: 0 0 60px rgba(57, 217, 138, 0.4);
    color: var(--text-primary);
}
.hero-tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-top: var(--space-md);
    font-weight: 400;
}
.hero canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}
.scroll-arrow {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
    color: var(--text-secondary);
    font-size: 1.5rem;
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--glow);
    border-color: var(--green-dim);
}
.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}
.card-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}
.card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}
.card-link:hover { color: inherit; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.65rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-sans);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1;
}
.btn-primary {
    background: var(--green);
    color: #050505;
}
.btn-primary:hover {
    background: #2ec97d;
    box-shadow: var(--glow);
    color: #050505;
}
.btn-outline {
    background: transparent;
    color: var(--green);
    border: 1px solid var(--green);
}
.btn-outline:hover {
    background: var(--green-glow);
}
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}
.btn-ghost:hover { color: var(--text-primary); }
.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover { background: #dc2626; }
.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* --- Badges/Tags --- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    background: var(--green-glow);
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.badge-teal {
    background: rgba(45, 212, 191, 0.15);
    color: var(--teal);
}
.badge-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}
.badge-warning {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}
.tag {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
}

/* --- Forms --- */
.form-group {
    margin-bottom: var(--space-lg);
}
.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
}
.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 3px var(--green-glow);
}
.form-textarea {
    resize: vertical;
    min-height: 100px;
}
.form-select option { background: var(--bg-primary); }
.form-error {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: var(--space-xs);
}
.form-card {
    max-width: 480px;
    margin: var(--space-3xl) auto;
}

/* --- Alert --- */
.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
}
.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}
.alert-success {
    background: rgba(57, 217, 138, 0.1);
    border: 1px solid rgba(57, 217, 138, 0.3);
    color: var(--green);
}

/* --- Comments --- */
.comments-section {
    margin-top: var(--space-2xl);
    padding: var(--space-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
}
.comments-title {
    margin-bottom: var(--space-lg);
}
.comment-form {
    margin-bottom: var(--space-xl);
}
.comment-form .form-textarea {
    margin-bottom: var(--space-md);
}
.comment-login-prompt {
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
    text-align: center;
    color: var(--text-secondary);
}
.comments-empty {
    padding: var(--space-xl);
    text-align: center;
    color: var(--text-secondary);
}
.comments-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}
.comment {
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--green);
}
.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}
.comment-author {
    font-weight: 600;
    color: var(--green);
}
.comment-time {
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.comment-body {
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

/* --- Vote Buttons --- */
.vote-buttons {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}
.vote-form {
    display: inline;
}

/* --- Pagination --- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-2xl);
}
.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-sm);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}
.pagination a {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    color: var(--text-secondary);
}
.pagination a:hover {
    border-color: var(--green);
    color: var(--green);
}
.pagination .active {
    background: var(--green);
    color: #050505;
    font-weight: 700;
}

/* --- Search --- */
.search-box {
    position: relative;
    max-width: 400px;
}
.search-input {
    width: 100%;
    padding: 0.75rem var(--space-md) 0.75rem 2.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9rem;
}
.search-input:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 3px var(--green-glow);
}
.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    margin-top: var(--space-xs);
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}
.search-results.active { display: block; }
.search-result-item {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-card);
    cursor: pointer;
    transition: background var(--transition);
}
.search-result-item:hover { background: rgba(255, 255, 255, 0.05); }
.search-result-item:last-child { border-bottom: none; }

/* --- Toast --- */
.toast-container {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.toast {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    animation: slideIn 0.3s ease;
    max-width: 360px;
}
.toast-success {
    background: rgba(57, 217, 138, 0.15);
    border: 1px solid var(--green-dim);
    color: var(--green);
}
.toast-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* --- SkyGen Section --- */
.skygen-section {
    position: relative;
    overflow: hidden;
}
.skygen-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(57, 217, 138, 0.08) 0%, transparent 70%);
    pointer-events: none;
}
.skygen-content {
    position: relative;
    z-index: 2;
}
.server-ip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition);
}
.server-ip:hover {
    border-color: var(--green);
    background: var(--green-glow);
}
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.85rem;
    font-weight: 600;
}
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse-dot 2s infinite;
}
.status-dot.offline { background: var(--danger); animation: none; }
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* --- Projects Grid --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}
.project-card .card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

/* --- Blog Cards --- */
.blog-card .card-category {
    margin-bottom: var(--space-sm);
}
.blog-card .card-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* --- Nickname Teaser --- */
.nickname-teaser {
    text-align: center;
    padding: var(--space-2xl);
}
.nickname-display {
    font-size: 3rem;
    font-weight: 800;
    color: var(--green);
    text-shadow: 0 0 30px rgba(57, 217, 138, 0.4);
    animation: glow-pulse 3s ease-in-out infinite;
}
@keyframes glow-pulse {
    0%, 100% { text-shadow: 0 0 30px rgba(57, 217, 138, 0.4); }
    50% { text-shadow: 0 0 50px rgba(57, 217, 138, 0.6); }
}

/* --- Scroll Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.slide-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible,
.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Admin Tables --- */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.admin-table th {
    text-align: left;
    padding: var(--space-md);
    border-bottom: 2px solid var(--border-card);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.admin-table td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-card);
}
.admin-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* --- Footer --- */
.site-footer {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--border-card);
    margin-top: var(--space-3xl);
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-links {
    display: flex;
    gap: var(--space-lg);
}
.footer-links a {
    color: var(--text-secondary);
    font-size: 0.85rem;
}
.footer-links a:hover { color: var(--green); }
.footer-copy {
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.footer-tagline {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
    margin-top: var(--space-sm);
}

/* --- Markdown Content --- */
.prose h1, .prose h2, .prose h3, .prose h4 { margin: var(--space-xl) 0 var(--space-md); }
.prose p { margin-bottom: var(--space-md); color: var(--text-secondary); line-height: 1.8; }
.prose ul, .prose ol { padding-left: var(--space-xl); margin-bottom: var(--space-md); }
.prose li { margin-bottom: var(--space-sm); color: var(--text-secondary); list-style: disc; }
.prose ol li { list-style: decimal; }
.prose code {
    font-family: var(--font-mono);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
}
.prose pre {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--space-md);
}
.prose pre code { background: none; padding: 0; }
.prose blockquote {
    border-left: 3px solid var(--green);
    padding-left: var(--space-lg);
    margin: var(--space-lg) 0;
    color: var(--text-secondary);
    font-style: italic;
}
.prose img { border-radius: var(--radius-md); margin: var(--space-lg) 0; }
.prose a { color: var(--green); }
.prose a:hover { text-decoration: underline; }

/* --- Responsive --- */
@media (max-width: 768px) {
    .hamburger { display: block; }
    .navbar-links,
    .navbar-auth { display: none; }

    .grid-2,
    .grid-3,
    .projects-grid { grid-template-columns: 1fr; }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .container { padding: 0 var(--space-md); }
    section { padding: var(--space-2xl) 0; }

    .hero-title { font-size: clamp(3rem, 15vw, 5rem); }

    .footer-content { flex-direction: column; gap: var(--space-lg); text-align: center; }
    .footer-links { flex-wrap: wrap; justify-content: center; }

    .admin-table { display: block; overflow-x: auto; }

    .form-card { margin: var(--space-xl) auto; }
}

@media (max-width: 480px) {
    .container { padding: 0 var(--space-md); }
    .card { padding: var(--space-lg); }
    .btn { padding: 0.5rem 1rem; font-size: 0.85rem; }
    .hero-title { font-size: 3rem; }
}