/* ==========================================================================
   picnotes.de v2 — CRT Terminal Design System
   Cross-browser: Firefox 115+, Chrome 114+, Safari 16+, Edge 114+
   Fonts: self-hosted, no external network requests
   ========================================================================== */

/* ── SELF-HOSTED FONTS (no Google Fonts render-blocking) ─────────────────── */
@font-face {
    font-family: 'Share Tech Mono';
    src: url('fonts/ShareTechMono.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Chakra Petch';
    src: url('fonts/ChakraPetch-500.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Chakra Petch';
    src: url('fonts/ChakraPetch-700.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ── TOKENS ──────────────────────────────────────────────────────────────── */
:root {
    --bg-void:    #090c12;
    --bg-panel:   #111722;
    --border-dim: #253044;
    --border-mid: #3a4d6a;

    --amber:      #ffb000;
    --amber-glow: rgba(255,176,0,0.28);
    --amber-soft: rgba(255,176,0,0.09);

    --txt-main:   #d8e2f0;
    --txt-muted:  #6b8099;

    --font-mono: 'Share Tech Mono', 'Courier New', monospace;
    --font-ui:   'Chakra Petch', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ── RESET ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    background: var(--bg-void);
    color: var(--txt-main);
    font-family: var(--font-ui);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── CRT OVERLAY ─────────────────────────────────────────────────────────── */
.crt-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
}

/* Static scanlines — SVG data URI, GPU-cached, NO animation */
.crt-scanlines {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1' height='4'%3E%3Crect width='1' height='2' y='0' fill='%23000' fill-opacity='0.22'/%3E%3C/svg%3E");
    background-size: 1px 4px;
    background-repeat: repeat;
}

/* Beam: position fixed, JS sets transform:translateY each rAF frame */
.crt-beam {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 120px;
    background: linear-gradient(
        to bottom,
        transparent           0%,
        rgba(255,176,0,0.04) 35%,
        rgba(255,176,0,0.08) 50%,
        rgba(255,176,0,0.04) 65%,
        transparent          100%
    );
}

/* Vignette: static radial gradient, no animation */
.crt-vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.72) 100%);
}

/* ── GLITCH CLASSES on #page-wrap ────────────────────────────────────────── */
#page-wrap.glitch-skew {
    transform: translate(3px, -2px) skewX(-0.8deg);
    filter: contrast(1.4)
            drop-shadow(-3px 0 2px rgba(255,0,60,0.5))
            drop-shadow(3px 0 2px rgba(0,200,255,0.5));
}
#page-wrap.glitch-slide {
    transform: translateX(-5px);
    filter: hue-rotate(18deg) contrast(1.3)
            drop-shadow(5px 0 2px rgba(255,80,0,0.4));
}
#page-wrap.glitch-flash {
    filter: brightness(1.65) saturate(0.3) contrast(1.5);
}

/* ── TELEMETRY BAR ───────────────────────────────────────────────────────── */
.telemetry-bar {
    position: sticky;
    top: 0;
    z-index: 1001;
    width: 100%;
    background: #060910;
    border-bottom: 1px solid var(--border-dim);
    padding: 5px 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--amber);
    letter-spacing: 0.08em;
}

/* ── SITE HEADER ─────────────────────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 29px; /* height of telemetry bar */
    z-index: 1000;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-dim);
}

.header-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 1rem;
    flex-shrink: 0;
    color: var(--amber);
}
.site-logo img {
    height: 30px;
    width: auto;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.nav-item {
    text-decoration: none;
    color: var(--txt-muted);
    font-family: var(--font-mono);
    font-size: 0.80rem;
    padding: 6px 12px;
    border: 1px solid transparent;
    border-radius: 3px;
    transition: color 0.12s, border-color 0.12s, background 0.12s;
    white-space: nowrap;
}
.nav-item:hover {
    color: var(--amber);
    border-color: var(--border-mid);
    background: var(--amber-soft);
}
.nav-item.active {
    color: #000;
    background: var(--amber);
    border-color: var(--amber);
    font-weight: 700;
}

/* ── PAGE LAYOUT ─────────────────────────────────────────────────────────── */
.page-wrapper {
    max-width: 1140px;
    margin: 0 auto;
    padding: 36px 24px;
    min-height: 70vh;
}

/* ── HERO PANEL ──────────────────────────────────────────────────────────── */
.hero-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    border-radius: 5px;
    padding: 32px;
    margin-bottom: 28px;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 230px;
    gap: 32px;
    align-items: center;
}

.hero-heading {
    font-family: var(--font-mono);
    font-size: 2.2rem;
    color: var(--amber);
    letter-spacing: 0.04em;
    margin-bottom: 12px;
    line-height: 1.2;
}
.hero-subtitle {
    font-size: 1rem;
    color: var(--txt-main);
    margin-bottom: 18px;
}
.meta-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.meta-chip {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 3px 9px;
    background: rgba(0,0,0,0.45);
    border: 1px solid var(--border-dim);
    color: var(--amber);
    border-radius: 2px;
}

.portrait-box {
    background: #000;
    border: 1px solid var(--amber);
    padding: 5px;
    border-radius: 4px;
}
.portrait-box img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 550 / 640;
}
.portrait-caption {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--amber);
    text-align: center;
    padding-top: 5px;
}

/* ── PAGE HEADER ─────────────────────────────────────────────────────────── */
.page-header {
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    border-radius: 5px;
    padding: 22px 28px;
    margin-bottom: 28px;
}
.page-title {
    font-family: var(--font-mono);
    font-size: 1.9rem;
    color: var(--amber);
    margin-bottom: 4px;
}
.page-description { font-size: 0.92rem; color: var(--txt-muted); }

/* ── CARDS ───────────────────────────────────────────────────────────────── */
.datasheet-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    border-radius: 5px;
    padding: 22px;
    margin-bottom: 20px;
    transition: border-color 0.15s;
}
.datasheet-card:hover { border-color: var(--border-mid); }

.datasheet-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 1px solid var(--border-dim);
    padding-bottom: 12px;
    margin-bottom: 14px;
    gap: 16px;
}
.datasheet-title {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    color: #f0f4fc;
}
.datasheet-tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 2px 7px;
    background: var(--amber-soft);
    color: var(--amber);
    border: 1px solid var(--amber);
    white-space: nowrap;
    flex-shrink: 0;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
    gap: 10px;
    background: #070a10;
    padding: 12px;
    border-radius: 3px;
    margin-top: 14px;
    font-family: var(--font-mono);
    font-size: 0.80rem;
    border: 1px solid var(--border-dim);
}
.spec-item span {
    display: block;
    font-size: 0.65rem;
    color: var(--txt-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

/* ── GALLERY FILTER TABS ─────────────────────────────────────────────────── */
.album-filter-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}
.album-tab {
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    color: var(--txt-muted);
    font-family: var(--font-mono);
    padding: 6px 13px;
    border-radius: 3px;
    font-size: 0.78rem;
    cursor: pointer;
    transition: color 0.12s, background 0.12s, border-color 0.12s;
}
.album-tab:hover { color: var(--amber); border-color: var(--border-mid); }
.album-tab.active {
    background: var(--amber);
    color: #000;
    border-color: var(--amber);
    font-weight: 700;
}

/* ── GALLERY — JS-DRIVEN FLEX COLUMNS ────────────────────────────────────── */
.gallery-masonry {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.gallery-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-width: 0;
}
.gallery-item {
    display: block;
    width: 100%;
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    border-radius: 3px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.15s;
    text-decoration: none;
}
.gallery-item:hover { border-color: var(--amber); }
.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 440 / 360;
}
.gallery-item-caption {
    padding: 7px 10px;
    font-family: var(--font-mono);
    font-size: 0.73rem;
    color: var(--amber);
    border-top: 1px solid var(--border-dim);
}

/* ── MASCOT ──────────────────────────────────────────────────────────────── */
.mascot-container {
    background: var(--bg-panel);
    border: 1px solid var(--border-dim);
    border-radius: 5px;
    padding: 32px;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
    align-items: start;
}

/* ── FOOTER ──────────────────────────────────────────────────────────────── */
.site-footer {
    border-top: 1px solid var(--border-dim);
    padding: 18px 24px;
    margin-top: 60px;
    font-family: var(--font-mono);
    font-size: 0.73rem;
    color: var(--txt-muted);
    background: var(--bg-panel);
}
.footer-container {
    max-width: 1140px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

/* ── ACCESSIBILITY & PREFERS REDUCED MOTION ──────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
    .crt-beam { display: none !important; }
    #page-wrap.glitch-skew,
    #page-wrap.glitch-slide,
    #page-wrap.glitch-flash {
        transform: none !important;
        filter: none !important;
    }
}

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .intro-grid { grid-template-columns: 1fr; }
    .hero-heading { font-size: 1.7rem; }
    .mascot-container { grid-template-columns: 1fr; text-align: center; }
    .gallery-masonry { gap: 10px; }
}
@media (max-width: 600px) {
    .nav-item { padding: 5px 8px; font-size: 0.73rem; }
    .telemetry-bar { gap: 14px; font-size: 0.60rem; }
    .page-title { font-size: 1.45rem; }
    .hero-heading { font-size: 1.45rem; }
    .site-header { top: 26px; }
}