nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    backdrop-filter: none;
    border-bottom: 1px dashed #333;
    /* background-color: rgba(5, 5, 5, 0.95); */
    background-color: #050505;
}

.logo {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent-color);
}

.project-header {
    position: relative;
    width: 100%;
    height: 40vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    background: #050505;
    border-bottom: 1px solid #333;
}

.marquee-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150vw;
    height: 200vh;
    transform: translate(-50%, -50%) rotate(10deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0;
    z-index: 0;
    opacity: 0.25;
    pointer-events: none;
}

.marquee-track {
    display: flex;
    width: fit-content;
}

.marquee-content {
    font-family: 'Silkscreen', cursive;
    font-size: 2.5rem;
    white-space: nowrap;
    /* color: rgba(255, 255, 255, 0.15 ); */
    color: rgba(255, 255, 255, 0.3 );
    /* color: rgba(255, 255, 255, 1); */
    padding: 15px 40px;
    line-height: 1;
    flex-shrink: 0;
}

.left-to-right {
    transform: translateX(-50%);
    animation: scroll-left-to-right var(--speed) linear infinite;
}

.marquee-accent {
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(255, 107, 107, 0.6);
    font-weight: bold;
}

@keyframes scroll-left-to-right {
    0% {
        transform: translateX(-50%);
    }

    100% {
        transform: translateX(0%);
    }
}

.screen-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%),
        linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    background-size: 100% 4px, 6px 100%;
    box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.9);
}

.header-content {
    position: relative;
    z-index: 3;
    padding: 0 10%;
    margin-bottom: 5vh;
}

.project-hero-title {
    font-family: 'Pretendard', sans-serif;
    font-size: clamp(2.5rem, 4vw, 4rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
    letter-spacing: -1px;
}

.project-hero-desc {
    font-family: 'Pretendard', sans-serif;
    font-size: 0.95rem;
    color: var(--text-sub);
    padding: 8px 16px;
    border-left: 3px solid var(--accent-color);
    display: inline-block;
    max-width: 600px;
    line-height: 1.5;
}

.directory-index {
    padding: 140px 10% 20px;
    background: transparent;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.index-content {
    border: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.index-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin: 0;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.index-desc {
    color: var(--text-sub);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    opacity: 0.8;
}

.folder-container {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 15px;
    padding-bottom: 30px;
}

.folder-tab {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid #333;
    color: var(--text-sub);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
}

.folder-tab::before {
    content: ">";
    color: var(--accent-color);
    margin-right: 8px;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.2s ease;
}

.folder-tab:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    background: rgba(255, 107, 107, 0.05);
}

.folder-tab:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.archive-body {
    padding-bottom: 100px;
}

.category-section {
    padding: 100px 10% 0;
    scroll-margin-top: 50px;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 40px;
}

.cat-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.2rem;
    color: var(--accent-color);
    font-weight: 800;
}

.cat-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
    white-space: nowrap;
}

.cat-line {
    height: 1px;
    background: repeating-linear-gradient(to right,
            #444,
            #444 4px,
            transparent 4px,
            transparent 8px);
    flex-grow: 1;
    margin-left: 20px;
    opacity: 0.7;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    background: #0a0a0a;
    border: 1px solid #222;
    border-radius: 0;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.2s ease-in-out;
}

.project-card:hover {
    transform: translate(-5px, -5px);
    border-color: #444;
    box-shadow: 5px 5px 0 rgba(255, 107, 107, 0.4);
}

.project-card.offline-card {
    background: #030303;
    border-color: #1a1a1a;
    opacity: 0.8;
}

.project-card.offline-card::before {
    background: #222;
}

.project-card.offline-card:hover {
    transform: translate(-2px, -2px);
    border-color: #333;
    box-shadow: 2px 2px 0 rgba(255, 255, 255, 0.05);
    background: #080808;
    opacity: 1;
}

.project-card.offline-card:hover::before {
    background: #555;
}

.offline-card .project-status {
    color: #ff4444;
    font-weight: 700;
    opacity: 0.7;
    animation: slow-blink 2s step-end infinite;
}

@keyframes slow-blink {

    0%,
    100% {
        opacity: 0.7;
    }

    50% {
        opacity: 0.2;
    }
}

.offline-card .project-title {
    color: #aaa;
}

.offline-card .project-card:hover .project-title::after {
    color: #ff4444;
}

.offline-card .tech-tag {
    border-color: #222;
    color: #555;
}

.offline-card:hover .tech-tag {
    background: rgba(255, 255, 255, 0.02);
    border-color: #444;
    color: #888;
}

.offline-card .disabled-link {
    color: #444;
    border-color: #222;
    background: transparent;
    cursor: not-allowed !important;
}

.offline-card .disabled-link:hover {
    color: #ff4444 !important;
    border-color: #ff4444;
    background: rgba(255, 68, 68, 0.05);
    transform: none !important;
    box-shadow: none;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    border-bottom: 1px dashed #333;
    background: #0d0d0d;
}

.project-type {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--accent-color);
    letter-spacing: 1px;
}

.project-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: #555;
    letter-spacing: 1px;
    transition: 0.3s;
}

.project-card:hover .project-status {
    color: var(--text-main);
}

.project-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-main);
    line-height: 1.3;
    letter-spacing: -0.5px;
    display: inline-block;
}

.project-card:hover .project-title::after {
    content: '_';
    color: var(--accent-color);
    animation: blink 1s step-end infinite;
    margin-left: 5px;
}

.project-desc {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 25px;
    line-height: 1.6;
    flex-grow: 1;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-tag {
    font-size: 0.75rem;
    padding: 4px 10px;
    background: transparent;
    border: 1px solid #333;
    border-radius: 0;
    color: var(--text-sub);
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    transition: 0.2s;
}

.project-card:hover .tech-tag {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(255, 107, 107, 0.05);
}

.card-footer {
    padding: 15px 25px;
    background: #080808;
    border-top: 1px dashed #222;
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.action-link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-sub);
    background: #111;
    border: 1px solid #333;
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
}

.project-card:hover .action-link {
    color: var(--text-main);
}

.action-link:hover {
    color: var(--accent-color) !important;
    border-color: var(--accent-color);
    background: rgba(255, 107, 107, 0.05);
    transform: translate(-3px, -3px) !important;
    box-shadow: 3px 3px 0 rgba(255, 107, 107, 0.4);
}

.special-link {
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    padding: 5px 12px;
    background: rgba(255, 107, 107, 0.05);
    margin-left: auto;
}

.project-card:hover .special-link {
    color: var(--accent-color);
}

.special-link:hover {
    background: var(--accent-color) !important;
    color: #000 !important;
    transform: translateY(-2px) !important;
    box-shadow: 3px 3px 0px rgba(255, 107, 107, 0.4);
}

.system-exit-section {
    padding: 100px 10% 100px;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.exit-command-block {
    display: flex;
    flex-direction: column;
    background: #080808;
    border: 1px solid #333;
    padding: 30px 40px;
    text-decoration: none;
    width: 100%;
    max-width: 600px;
    position: relative;
    transition: all 0.2s ease-in-out;
}

.exit-command-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: #444;
    transition: all 0.2s ease-in-out;
}

.exit-command-block:hover {
    transform: translate(-5px, -5px);
    border-color: #555;
    box-shadow: 5px 5px 0 rgba(255, 107, 107, 0.4);
    background: #0d0d0d;
}

.exit-command-block:hover::before {
    background: var(--accent-color);
}

.exit-prefix {
    color: var(--text-sub);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    margin-bottom: 10px;
    opacity: 0.7;
}

.exit-action {
    color: var(--text-main);
    font-family: 'JetBrains Mono', monospace;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    line-height: 1;
    transition: 0.2s;
}

.exit-command-block:hover .exit-action {
    color: var(--accent-color);
}

.exit-desc {
    color: #666;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.cursor-blink {
    display: inline-block;
    color: var(--accent-color);
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.system-exit-section {
    padding: 100px 10% 0;
}

.exit-banner {
    display: block;
    position: relative;
    background: #0a0a0a;
    border: 1px solid #333;
    border-radius: 0;
    padding: 40px 50px;
    overflow: hidden;
    text-decoration: none;
    transition: all 0.2s ease-in-out;
}

.exit-banner:hover {
    border-color: #555;
    transform: translate(-5px, -5px);
    box-shadow: 5px 5px 0 rgba(255, 107, 107, 0.4);
    background: #0d0d0d;
}

.exit-banner .archive-bg-grid {
    position: absolute;
    width: 300%;
    height: 300%;
    top: -100%;
    left: -100%;
    background-image:
        /* linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px), */
        linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
        /* linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px); */
        linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
    background-size: 40px 40px;
    transform: rotate(-15deg);
    pointer-events: none;
    z-index: 0;
    transition: background-image 0.2s ease;
}

.exit-banner:hover .archive-bg-grid {
    background-image:
        /* linear-gradient(rgba(255, 107, 107, 0.1) 1px, transparent 1px), */
        linear-gradient(rgba(255, 107, 107, 0.3) 1px, transparent 1px),
        /* linear-gradient(90deg, rgba(255, 107, 107, 0.1) 1px, transparent 1px); */
        linear-gradient(90deg, rgba(255, 107, 107, 0.3) 1px, transparent 1px);
}

.exit-banner .archive-content {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.exit-banner .archive-text-box {
    display: flex;
    flex-direction: column;
    font-family: 'JetBrains Mono', monospace;
}

.exit-banner .archive-prompt {
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: var(--text-sub);
}

.exit-banner .prompt-path {
    color: var(--text-main);
    font-weight: 600;
}

.exit-banner .prompt-arrow {
    color: var(--accent-color);
    font-weight: 800;
    margin-left: 8px;
}

.exit-banner .archive-inner-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
    transition: color 0.2s ease;
}

.exit-banner:hover .archive-inner-title {
    color: var(--accent-color);
}

.exit-banner .archive-inner-sub {
    font-size: 0.9rem;
    color: #666;
}

.exit-banner .action-btn {
    display: flex;
    align-items: center;
    gap: 15px;
}

.exit-banner .btn-text {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-sub);
    transition: all 0.2s ease;
    opacity: 0;
    transform: translateX(-10px);
}

.exit-banner:hover .btn-text {
    color: var(--accent-color);
    opacity: 1;
    transform: translateX(0);
}

.exit-banner .action-icon {
    width: 60px;
    height: 60px;
    border: 1px solid #333;
    border-radius: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #050505;
    transition: all 0.2s ease-in-out;
    color: var(--text-main);
    flex-shrink: 0;
}

.exit-banner .action-icon svg {
    width: 28px;
    height: 28px;
    transition: transform 0.2s ease;
}

.exit-banner:hover .action-icon {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #000;
}

.exit-banner:hover .action-icon svg {
    transform: translateX(-3px) translateY(2px);
}

@media (max-width: 768px) {

    .project-header {
        height: 45vh;
    }

    .marquee-content {
        font-size: 1.8rem;
        padding: 10px 20px;
        color: rgba(255, 255, 255, 0.3);
    }

    .project-hero-desc {
        font-size: 1rem;

    }

    .directory-index {
        padding: 100px 5% 40px;
    }

    .index-title {
        font-size: 2rem;
    }

    .folder-tab {
        width: 100%;
        margin-right: 0;
        padding: 15px 20px;
        background: rgba(255, 255, 255, 0.02);
    }

    .category-section {
        padding: 60px 5% 0;
    }

    .cat-name {
        font-size: 1.4rem;
    }

    .card-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .special-link {
        margin-left: 0;
        width: 100%;
        justify-content: center;
    }

    .exit-banner {
        padding: 30px 20px;
    }

    .exit-banner .archive-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .exit-banner .archive-inner-title {
        font-size: 1.8rem;
    }

    .exit-banner .archive-inner-sub {
        font-size: 0.75rem;
    }

    .exit-banner .action-btn {
        width: 100%;
        justify-content: flex-end;
        margin-top: 20px;
    }

    .exit-banner .btn-text {
        opacity: 1;
        transform: none;
        color: var(--text-main);
    }
}

a:focus-visible,
button:focus-visible {
    outline: 2px dashed var(--accent-color);
    outline-offset: 6px;
    border-radius: 0 !important;
}

*,
input,
textarea {
    cursor: auto !important;
}

a,
a *,
button,
button *,
.folder-tab,
.folder-tab *,
.action-link,
.action-link *,
.special-link,
.special-link *,
.exit-banner,
.exit-banner * {
    cursor: pointer !important;
}

.cursor-glow,
.cursor-dot {
    display: none !important;
}