/* okurairi.net — The Unreleased Archive */

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

:root {
    --crimson: #8c3a3a;
    --dark-bg: #1e1f24;
    --darker-bg: #1c1d21;
    --rust: #c4662a;
    --moss: #5a8a6b;
    --warm-gray: #d4d3cf;
    --mid-gray: #4a4b52;
    --panel-bg: #2a2b31;
    --gold: #b8a44c;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--darker-bg);
    color: var(--warm-gray);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Noise Overlay */
#noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* SVG Path Spine */
#path-spine {
    position: fixed;
    top: 0;
    left: 40px;
    width: 100px;
    height: 100vh;
    z-index: 5;
    pointer-events: none;
}

/* Header */
#intake-bay {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 2rem;
}

.stamp-label {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    font-size: clamp(2.8rem, 7vw, 5.6rem);
    letter-spacing: 0.08em;
    line-height: 1.0;
    text-transform: uppercase;
    color: var(--warm-gray);
    position: relative;
}

.stamp-label::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--crimson);
}

.stamp-sublabel {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.85rem;
    color: var(--mid-gray);
    margin-top: 1.5rem;
    letter-spacing: 0.15em;
}

.classification {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    color: var(--crimson);
    margin-top: 1rem;
    letter-spacing: 0.2em;
    padding: 0.4rem 1rem;
    border: 1px solid var(--crimson);
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    color: var(--mid-gray);
    letter-spacing: 0.2em;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: pulse 2s ease-in-out infinite;
}

.arrow-down {
    width: 12px;
    height: 12px;
    border-right: 1px solid var(--mid-gray);
    border-bottom: 1px solid var(--mid-gray);
    transform: rotate(45deg);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Archive File Sections */
.archive-file {
    position: relative;
    margin: 4rem 2rem;
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto 1fr;
    gap: 1.5rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.archive-file.visible {
    opacity: 1;
    transform: translateY(0);
}

.archive-file::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--panel-bg);
    border: 1px solid var(--mid-gray);
    opacity: 0.6;
    z-index: -1;
}

.archive-file::after {
    content: attr(data-file);
    position: absolute;
    top: -12px;
    right: 20px;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    color: var(--mid-gray);
    opacity: 0.15;
    line-height: 1;
}

/* File Tab */
.file-tab {
    grid-column: 1 / -1;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--mid-gray);
}

.file-id {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    color: var(--warm-gray);
    letter-spacing: 0.1em;
}

.file-date {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    color: var(--mid-gray);
}

.file-status {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    padding: 0.2rem 0.6rem;
    border: 1px solid;
    margin-left: auto;
}

.status-shelved {
    color: var(--gold);
    border-color: var(--gold);
}

.status-redacted {
    color: var(--crimson);
    border-color: var(--crimson);
}

.status-recovered {
    color: var(--moss);
    border-color: var(--moss);
}

/* File Content */
.file-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.file-content.offset-left {
    transform: translateX(-8px);
}

.file-content.offset-right {
    transform: translateX(8px);
}

.file-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--warm-gray);
    line-height: 1.1;
}

.file-desc {
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    color: var(--mid-gray);
    line-height: 1.7;
}

.tech-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.tech-specs span {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    color: var(--moss);
    letter-spacing: 0.1em;
    padding: 0.2rem 0.5rem;
    background: rgba(90, 138, 107, 0.1);
    border-left: 2px solid var(--moss);
}

/* File Visual */
.file-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.prototype-render {
    width: 180px;
    height: 180px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.archive-file:hover .prototype-render {
    opacity: 1;
}

/* Footer */
#storage-bay {
    padding: 6rem 2rem;
    text-align: center;
    border-top: 1px solid var(--mid-gray);
    margin-top: 4rem;
}

.footer-stamp {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.15em;
    color: var(--mid-gray);
    text-transform: uppercase;
}

.footer-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.footer-meta span {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    color: var(--mid-gray);
    letter-spacing: 0.1em;
}

.footer-mark {
    font-size: 3rem;
    color: var(--crimson);
    opacity: 0.2;
    margin-top: 2rem;
}

/* Responsive */
@media (max-width: 700px) {
    .archive-file {
        grid-template-columns: 1fr;
        margin: 2rem 1rem;
        padding: 1.5rem;
    }

    .file-tab {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .file-visual {
        order: -1;
    }

    .prototype-render {
        width: 120px;
        height: 120px;
    }

    #path-spine {
        display: none;
    }
}