/* Self-hosted fonts (variable woff2) - no third-party requests */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400 900;
    font-display: swap;
    src: url(fonts/inter-var.woff2) format('woff2');
}

@font-face {
    font-family: 'JetBrains Mono';
    font-style: normal;
    font-weight: 400 700;
    font-display: swap;
    src: url(fonts/jbmono-var.woff2) format('woff2');
}

:root {
    --bg: #000000;
    --fg: #ffffff;
    --grid: #333333;
    --accent: #ff0000;
    /* System Error Red */
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg);
    color: var(--fg);
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    font-size: 14px;
    overflow-x: hidden;
}

/* GRID SYSTEM */
.container {
    display: grid;
    grid-template-columns: 300px 1fr;
    min-height: 100vh;
}

aside {
    border-right: 1px solid var(--grid);
    padding: 0;
    display: flex;
    flex-direction: column;
    /* Sidebar stays in view while the archive grid scrolls;
       scrolls internally when the viewport is too short for it */
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.brand {
    padding: 20px;
    border-bottom: 1px solid var(--grid);
    font-family: 'JetBrains Mono', monospace;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -1px;
    text-transform: uppercase;
    cursor: default;
}

.meta-block {
    padding: 20px;
    border-bottom: 1px solid var(--grid);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: #666;
    line-height: 1.6;
}

.meta-block span {
    display: block;
    color: #fff;
    margin-bottom: 4px;
}

/* AUDIO & ABOUT TOGGLES */
.audio-block,
.about-block {
    cursor: pointer;
    user-select: none;
}

.audio-block:hover,
.about-block:hover {
    background: #111;
}

.audio-block:focus-visible,
.about-block:focus-visible {
    outline: 1px solid var(--fg);
    outline-offset: -1px;
}

main {
    display: grid;
    /* Columns flow with viewport width; cards stay ~320px+ wide */
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    grid-auto-rows: 400px;
}

/* CARD BLOCK - Converted to DIV for dual actions */
.block {
    border-right: 1px solid var(--grid);
    border-bottom: 1px solid var(--grid);
    padding: 30px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-decoration: none;
    color: var(--fg);
    transition: all 0.1s linear;
    background: var(--bg);
    cursor: pointer;
}

.block:hover {
    background: var(--fg);
    color: var(--bg);
}

/* Keyboard focus ring (same inversion as hover, plus outline) */
.block:focus-visible {
    background: var(--fg);
    color: var(--bg);
    outline: 2px solid var(--accent);
    outline-offset: -2px;
}

.src-btn:focus-visible,
.info-btn:focus-visible {
    outline: 1px solid currentColor;
}

.block-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
}

.header-end {
    display: flex;
    gap: 10px;
    align-items: center;
}

.id-tag {
    border: 1px solid var(--grid);
    padding: 4px 8px;
}

.block:hover .id-tag {
    border-color: var(--bg);
}

/* SOURCE & INFO BUTTONS */
.src-btn,
.info-btn {
    font-size: 10px;
    opacity: 0;
    /* Hidden by default */
    font-weight: bold;
}

.src-btn:hover,
.info-btn:hover {
    text-decoration: underline;
}

.block:hover .src-btn,
.block:hover .info-btn {
    opacity: 1;
}

h2 {
    font-size: 48px;
    margin: 0;
    letter-spacing: -2px;
    line-height: 0.9;
    font-weight: 900;
    /* Titles stay on one line; JS scales them down to fit the card */
    white-space: nowrap;
}

p {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    max-width: 280px;
    line-height: 1.4;
    margin-bottom: 20px;
    opacity: 0.7;
}

.block:hover p {
    opacity: 1;
}

.action {
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
}

.action::after {
    content: ' ->';
}

/* MODAL (SOURCE / MANIFESTO) */
#term-modal {
    display: none;
    /* Hidden */
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

#term-window {
    width: 800px;
    height: 600px;
    background: #000;
    border: 1px solid var(--fg);
    display: flex;
    flex-direction: column;
}

#term-head {
    background: var(--fg);
    color: #000;
    padding: 5px 10px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    font-size: 12px;
}

#term-body {
    padding: 20px;
    flex: 1;
    overflow: auto;
    color: var(--fg);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    white-space: pre;
}

#close-btn {
    cursor: pointer;
}

/* BOOT SEQUENCE OVERLAY */
#boot {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #000;
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
    padding: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    font-size: 12px;
    pointer-events: none;
}

#boot-log {
    display: flex;
    flex-direction: column-reverse;
}

/* SCROLLBAR */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #000;
}

::-webkit-scrollbar-thumb {
    background: #333;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
    .block {
        transition: none;
    }

    #term-modal {
        backdrop-filter: none;
    }

    #boot {
        display: none;
    }
}

/* Mobile */
@media (max-width: 800px) {
    .container {
        grid-template-columns: 1fr;
    }

    aside {
        border-right: none;
        border-bottom: 1px solid var(--grid);
        /* Sticky sidebar is desktop-only */
        position: static;
        height: auto;
    }

    main {
        grid-template-columns: 100%;
        border-left: none;
        border-top: 1px solid var(--grid);
        /* Ensure separation if needed, though aside has bottom */
    }

    h2 {
        font-size: 32px;
    }

    #term-window {
        width: 95%;
        height: 80%;
    }
}