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

:root {
    --cyan: #00f0ff;
    --cyan-dim: #00f0ff55;
    --cyan-glow: #00f0ff20;
    --bg: #060a12;
    --surface: #0c1220;
    --surface-border: #1e2a3a;
    --text: #f0f4f8;
    --text-dim: #8899aa;
    --accent: #00f0ff;
    --danger: #ff3b5c;
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Particles */

#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.content-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */

header {
    text-align: center;
    padding: 3rem 0.5rem 1rem;
    position: relative;
}

.logo-mark {
    font-family: "JetBrains Mono", monospace;
    font-size: 1rem;
    color: var(--cyan);
    opacity: 0.5;
    margin-bottom: 0.5rem;
    letter-spacing: 0.2em;
}

header h1 {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    line-height: 1;
    color: #fff;
    text-transform: lowercase;
}

header h1::after {
    content: "_";
    color: var(--cyan);
    animation: blink 1.2s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.tagline {
    font-family: "JetBrains Mono", monospace;
    color: #8899aa;
    margin-top: 1rem;
    font-size: 0.8125rem;
    letter-spacing: 0.05em;
}

.tagline .accent {
    color: var(--cyan);
}

.nav {
    margin-top: 2rem;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #8899aa;
    text-decoration: none;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.5rem 1rem;
    border: 1px solid var(--surface-border);
    border-radius: 4px;
    background: var(--surface);
    transition: all 0.3s;
}

.nav-link:hover {
    color: var(--cyan);
    border-color: var(--cyan-dim);
    background: var(--cyan-glow);
}

.nav-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--danger);
}

.nav-link:hover .nav-dot {
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan);
}

/* Main */

main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem 4rem;
    flex: 1;
    width: 100%;
}

/* Grid */

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 640px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

/* Card */

.card {
    background: var(--surface);
    border-radius: 8px;
    overflow: hidden;
    border: 3px solid var(--surface-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border-color: #00f0ff55;
}

.card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover {
    border-color: var(--cyan-dim);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 240, 255, 0.08);
}

.card:hover::before {
    opacity: 1;
}

.card-image {
    position: relative;
}

.card-link {
    display: block;
    overflow: hidden;
}

.card-link img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    display: block;
    transition: transform 0.3s;
}

.card:hover .card-link img {
    transform: scale(1.03);
}

.no-image {
    width: 100%;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, #0a0e1a, #060a14);
    display: flex;
    align-items: center;
    justify-content: center;
}

.no-image span {
    font-family: "JetBrains Mono", monospace;
    color: var(--surface-border);
    font-size: 0.7rem;
}

.tag {
    position: absolute;
    top: 0.625rem;
    left: 0.625rem;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--cyan);
    background: rgba(4, 6, 13, 0.85);
    border: 1px solid var(--cyan-dim);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    backdrop-filter: blur(8px);
}

.card-content {
    padding: 1rem;
}

.card-content h2 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
    color: #fff;
    letter-spacing: -0.01em;
}

.card-content h2 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.card-content h2 a:hover {
    color: var(--cyan);
}

.card-content p {
    font-size: 0.75rem;
    color: #a0b0c0;
    line-height: 1.5;
    margin-bottom: 0.875rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.links {
    display: flex;
    gap: 0.5rem;
}

.links a {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.6875rem;
    color: #c0c8d0;
    text-decoration: none;
    padding: 0.35rem 0.625rem;
    border-radius: 4px;
    background: transparent;
    border: 1px solid var(--surface-border);
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.links a svg {
    opacity: 0.6;
    transition: opacity 0.2s;
}

.links a:hover {
    color: var(--cyan);
    border-color: var(--cyan-dim);
    background: var(--cyan-glow);
}

.links a:hover svg {
    opacity: 1;
}

/* Empty */

.empty-state {
    text-align: center;
    padding: 8rem 0;
}

.empty-icon {
    font-family: "JetBrains Mono", monospace;
    font-size: 2rem;
    color: var(--surface-border);
    margin-bottom: 1rem;
}

.empty-state p {
    color: #8899aa;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.8125rem;
}

/* Footer */

footer {
    text-align: center;
    padding: 2rem 1.5rem 3rem;
}

.footer-line {
    display: block;
    width: 40px;
    height: 1px;
    background: var(--surface-border);
    margin: 0 auto 1.5rem;
}

footer p {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.6875rem;
    color: #8899aa;
    letter-spacing: 0.1em;
}

/* Login */

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}

.login-container {
    background: var(--surface);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--surface-border);
    width: 100%;
    max-width: 340px;
    position: relative;
}

.login-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
}

.login-container h1 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.03em;
}

.login-container h1::after {
    content: "_";
    color: var(--cyan);
}

.error {
    background: rgba(255, 59, 92, 0.08);
    color: var(--danger);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    margin-bottom: 1.25rem;
    font-size: 0.8125rem;
    text-align: center;
    border: 1px solid rgba(255, 59, 92, 0.2);
    font-family: "JetBrains Mono", monospace;
}

/* Forms */

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.6875rem;
    color: #8899aa;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 0.875rem;
    background: var(--bg);
    border: 1px solid var(--surface-border);
    border-radius: 4px;
    color: #fff;
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--cyan-dim);
    box-shadow: 0 0 0 1px var(--cyan-glow);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234a5568' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

button[type="submit"],
button[type="button"] {
    width: 100%;
    padding: 0.75rem;
    background: var(--cyan);
    color: var(--bg);
    border: none;
    border-radius: 4px;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

button[type="submit"]:hover {
    background: #33f5ff;
    box-shadow: 0 0 20px var(--cyan-dim);
}

button[type="button"] {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--surface-border);
}

button[type="button"]:hover {
    border-color: var(--text-dim);
    color: #fff;
}

/* Admin */

.form-section {
    background: var(--surface);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--surface-border);
    margin-bottom: 2rem;
    position: relative;
}

.form-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyan-dim), transparent);
}

.form-section h2 {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    margin-bottom: 1.5rem;
    color: #8899aa;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.projects-section h2 {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    margin-bottom: 1.25rem;
    color: #8899aa;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.admin-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.admin-item {
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: 6px;
    padding: 1.25rem;
    transition: border-color 0.2s;
}

.admin-item:hover {
    border-color: var(--cyan-dim);
}

.admin-item-info {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.thumb {
    width: 72px;
    height: 45px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
    border: 1px solid var(--surface-border);
}

.admin-item-info h3 {
    font-size: 0.875rem;
    color: #fff;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.admin-item-info .admin-category {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.625rem;
    color: var(--cyan);
    margin-bottom: 0.375rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.admin-item-info p {
    font-size: 0.8125rem;
    color: #8899aa;
    margin-bottom: 0.5rem;
}

.admin-item-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.875rem;
}

.btn-edit,
.btn-delete {
    width: auto;
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    border-radius: 4px;
    font-family: "JetBrains Mono", monospace;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.btn-edit {
    background: transparent;
    color: #8899aa;
    border: 1px solid var(--surface-border);
}

.btn-edit:hover {
    border-color: var(--cyan-dim);
    color: var(--cyan);
}

.btn-delete {
    background: transparent;
    color: var(--danger);
    border: 1px solid rgba(255, 59, 92, 0.2);
}

.btn-delete:hover {
    background: rgba(255, 59, 92, 0.08);
    border-color: rgba(255, 59, 92, 0.4);
}

.inline-form {
    display: inline;
}

.edit-form {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--surface-border);
}

.btn-link {
    display: inline-block;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.8125rem;
    transition: color 0.2s;
}

.btn-link:hover {
    color: var(--cyan);
}

/* Header admin */

header {
    position: relative;
}