/* ============================================================================
   MSXPLAY — powered-on MSX CRT terminal
   Display: DotGothic16 (Japanese dot-matrix, MSX heritage) · UI: Chakra Petch
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=DotGothic16&family=Chakra+Petch:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
    --bg:        #05070a;
    --bg-2:      #0a0f16;
    --panel:     #0d131c;
    --panel-2:   #111a25;
    --line:      #1c2a3a;
    --line-hot:  #26405a;

    --ink:       #cde4e8;   /* phosphor text */
    --ink-dim:   #6f8899;
    --ink-faint: #3f5262;

    --red:       #ff2e3e;   /* iconic MSX red */
    --red-deep:  #b3121f;
    --cyan:      #35e0ff;   /* phosphor cyan */
    --amber:     #ffb020;   /* amber CRT */
    --green:     #55f38a;

    --glow-red:  0 0 14px rgba(255, 46, 62, .55);
    --glow-cyan: 0 0 14px rgba(53, 224, 255, .45);

    --radius: 3px;
    --maxw: 1560px;
    --header-h: 84px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Chakra Petch', system-ui, sans-serif;
    background: var(--bg);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ---- atmospheric layers: gradient wash, scanlines, grain, vignette -------- */
body::before,
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9000;
}
/* scanlines + flicker */
body::before {
    background: repeating-linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0) 0,
        rgba(0, 0, 0, 0) 2px,
        rgba(0, 0, 0, .22) 3px,
        rgba(0, 0, 0, 0) 4px
    );
    mix-blend-mode: multiply;
    opacity: .55;
    animation: flicker 6s infinite steps(60);
}
/* vignette + phosphor bloom */
body::after {
    background:
        radial-gradient(120% 90% at 50% -10%, rgba(53, 224, 255, .06), transparent 55%),
        radial-gradient(120% 120% at 50% 120%, rgba(255, 46, 62, .07), transparent 60%),
        radial-gradient(140% 120% at 50% 50%, transparent 55%, rgba(0, 0, 0, .55) 100%);
}
@keyframes flicker {
    0%, 96%, 100% { opacity: .55; }
    97% { opacity: .48; }
    98% { opacity: .6; }
    99% { opacity: .5; }
}

/* fixed background field behind everything */
.bgfield {
    position: fixed; inset: 0; z-index: -1;
    background:
        radial-gradient(80% 50% at 15% 0%, rgba(255, 46, 62, .08), transparent 60%),
        radial-gradient(70% 60% at 100% 100%, rgba(53, 224, 255, .07), transparent 55%),
        linear-gradient(180deg, var(--bg-2), var(--bg));
}
.bgfield::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(53, 224, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(53, 224, 255, .05) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(120% 100% at 50% 0%, #000 30%, transparent 80%);
    opacity: .5;
}

/* ---- boot power-on sweep -------------------------------------------------- */
#boot {
    position: fixed; inset: 0; z-index: 10000;
    background: #05070a;
    display: grid; place-items: center;
    transition: opacity .5s ease;
}
#boot .beam {
    position: absolute; left: 0; right: 0; top: 50%;
    height: 2px; background: var(--cyan);
    box-shadow: var(--glow-cyan);
    animation: beam 1s ease forwards;
}
#boot .msg {
    font-family: 'IBM Plex Mono', monospace;
    color: var(--cyan); font-size: 13px; letter-spacing: .18em;
    opacity: 0; animation: bootmsg 1.6s ease forwards;
    text-shadow: var(--glow-cyan);
}
@keyframes beam {
    0% { transform: scaleY(90); opacity: 0; }
    30% { transform: scaleY(1); opacity: 1; }
    100% { transform: scaleY(1); opacity: 1; }
}
@keyframes bootmsg { 0%, 40% { opacity: 0; } 60% { opacity: 1; } 100% { opacity: .85; } }
body.booted #boot { opacity: 0; pointer-events: none; }

/* ============================ HEADER ====================================== */
header {
    position: sticky; top: 0; z-index: 500;
    background: linear-gradient(180deg, rgba(5, 7, 10, .96), rgba(5, 7, 10, .82));
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    max-width: var(--maxw); margin: 0 auto;
    padding: 14px clamp(16px, 3vw, 34px);
    display: flex; align-items: center; gap: clamp(14px, 2.5vw, 34px);
}
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; flex: 0 0 auto; }
.brand .cart {
    width: 34px; height: 40px; position: relative; flex: 0 0 auto;
    background: linear-gradient(180deg, var(--red), var(--red-deep));
    border-radius: 3px 3px 5px 5px;
    box-shadow: var(--glow-red), inset 0 2px 0 rgba(255, 255, 255, .25);
}
.brand .cart::before {
    content: ''; position: absolute; left: 5px; right: 5px; top: 7px; height: 10px;
    background: repeating-linear-gradient(90deg, #05070a 0 2px, transparent 2px 5px);
    opacity: .7;
}
.brand .cart::after {
    content: ''; position: absolute; left: 6px; right: 6px; bottom: 4px; height: 5px;
    background: rgba(5, 7, 10, .5); border-radius: 2px;
}
.brand h1 {
    font-family: 'DotGothic16', sans-serif;
    font-size: 27px; margin: 0; line-height: 1; letter-spacing: .02em;
    color: #fff; text-shadow: var(--glow-red);
}
.brand h1 b { color: var(--red); font-weight: 400; }
.brand .tag {
    display: block; font-size: 10px; letter-spacing: .34em; text-transform: uppercase;
    color: var(--ink-dim); margin-top: 4px; font-weight: 500;
}

/* search */
.search {
    position: relative; flex: 1 1 auto; max-width: 640px;
}
.search input {
    width: 100%; height: 46px;
    background: var(--panel); border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--ink); font-family: 'IBM Plex Mono', monospace; font-size: 14px;
    padding: 0 46px 0 40px; letter-spacing: .02em;
    transition: border-color .2s, box-shadow .2s;
}
.search input::placeholder { color: var(--ink-faint); }
.search input:focus {
    outline: none; border-color: var(--cyan);
    box-shadow: 0 0 0 1px var(--cyan), var(--glow-cyan);
}
.search .prompt {
    position: absolute; left: 15px; top: 50%; transform: translateY(-50%);
    color: var(--cyan); font-family: 'IBM Plex Mono', monospace; font-weight: 600;
    pointer-events: none; text-shadow: var(--glow-cyan);
}
.search .count {
    position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
    font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--ink-dim);
    pointer-events: none;
}

/* lang toggle */
.lang { display: flex; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; flex: 0 0 auto; }
.lang button {
    background: var(--panel); color: var(--ink-dim); border: 0;
    font-family: 'Chakra Petch', sans-serif; font-weight: 600; font-size: 12px;
    padding: 10px 13px; cursor: pointer; letter-spacing: .1em; transition: .18s;
}
.lang button.on { background: var(--red); color: #fff; text-shadow: 0 0 8px rgba(0,0,0,.4); }
.lang button:not(.on):hover { color: var(--ink); background: var(--panel-2); }

/* ============================ LAYOUT ====================================== */
.layout {
    max-width: var(--maxw); margin: 0 auto;
    padding: clamp(18px, 3vw, 34px);
    display: grid; grid-template-columns: 246px 1fr; gap: clamp(18px, 2.4vw, 30px);
    align-items: start;
}

/* ---- filter rail ---------------------------------------------------------- */
.rail {
    position: sticky; top: calc(var(--header-h) + 18px);
    background: linear-gradient(180deg, var(--panel), var(--bg-2));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 4px 0 8px;
}
.rail .rail-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px 10px;
}
.rail .rail-head .lbl {
    font-family: 'DotGothic16', sans-serif; font-size: 15px; letter-spacing: .06em;
    color: var(--ink); display: flex; align-items: center; gap: 8px;
}
.rail .rail-head .lbl::before {
    content: ''; width: 8px; height: 8px; background: var(--red);
    box-shadow: var(--glow-red); border-radius: 1px;
}
.rail .reset {
    background: none; border: 0; color: var(--ink-dim); cursor: pointer;
    font-family: 'IBM Plex Mono', monospace; font-size: 10px; letter-spacing: .1em;
    text-transform: uppercase; padding: 4px; transition: color .18s;
}
.rail .reset:hover { color: var(--cyan); }

.fgroup { border-top: 1px solid var(--line); padding: 14px 16px; }
.fgroup > .h {
    font-size: 10px; letter-spacing: .26em; text-transform: uppercase;
    color: var(--ink-dim); margin-bottom: 11px; font-weight: 600;
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
    font-family: 'IBM Plex Mono', monospace; font-size: 11px;
    padding: 5px 9px; border-radius: 2px; cursor: pointer;
    background: var(--panel-2); border: 1px solid var(--line);
    color: var(--ink-dim); transition: .15s; user-select: none;
}
.chip:hover { border-color: var(--line-hot); color: var(--ink); }
.chip.on { background: var(--red); border-color: var(--red); color: #fff; box-shadow: var(--glow-red); }
.chip.cyan.on { background: var(--cyan); border-color: var(--cyan); color: #05070a; box-shadow: var(--glow-cyan); }

select, .yearsel {
    width: 100%; background: var(--panel-2); border: 1px solid var(--line);
    color: var(--ink); border-radius: 2px; padding: 9px 10px;
    font-family: 'IBM Plex Mono', monospace; font-size: 12px; cursor: pointer;
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--ink-dim) 50%),
                      linear-gradient(135deg, var(--ink-dim) 50%, transparent 50%);
    background-position: calc(100% - 16px) 17px, calc(100% - 11px) 17px;
    background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
select:focus { outline: none; border-color: var(--cyan); }

/* ============================ RESULTS GRID ================================ */
.results-head {
    display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px;
    flex-wrap: wrap;
}
.results-head .n {
    font-family: 'DotGothic16', sans-serif; font-size: 20px; color: var(--ink);
}
.results-head .n b { color: var(--cyan); text-shadow: var(--glow-cyan); }
.results-head .sub {
    font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--ink-dim);
    letter-spacing: .06em;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(186px, 1fr));
    gap: clamp(12px, 1.5vw, 18px);
}

/* ---- cartridge card ------------------------------------------------------- */
.card {
    position: relative; cursor: pointer;
    background: linear-gradient(180deg, var(--panel), var(--bg-2));
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex; flex-direction: column;
    transition: transform .18s cubic-bezier(.2,.7,.3,1), border-color .18s, box-shadow .18s;
    animation: cardin .4s both;
}
@keyframes cardin { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.card:hover {
    transform: translateY(-4px);
    border-color: var(--line-hot);
    box-shadow: 0 12px 30px rgba(0, 0, 0, .5), 0 0 0 1px var(--line-hot);
}

.card .art {
    position: relative; aspect-ratio: 4 / 3; overflow: hidden;
    background: #06090e;
    border-bottom: 1px solid var(--line);
}
.card .art canvas,
.card .art img.cover {
    width: 100%; height: 100%; display: block;
    image-rendering: pixelated;
}
.card .art img.cover { object-fit: cover; }

.card .art .vcount {
    position: absolute; top: 7px; right: 7px;
    font-family: 'IBM Plex Mono', monospace; font-size: 10px; font-weight: 500;
    padding: 2px 6px; background: rgba(255, 46, 62, .9); color: #fff;
    border-radius: 2px; letter-spacing: .04em; z-index: 2;
    box-shadow: var(--glow-red);
}

.card .meta select.variant {
    width: 100%; margin-top: auto;
    background: var(--panel-2); border: 1px solid var(--line-hot);
    color: var(--cyan); border-radius: 2px; padding: 6px 22px 6px 8px;
    font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; cursor: pointer;
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--cyan) 50%),
                      linear-gradient(135deg, var(--cyan) 50%, transparent 50%);
    background-position: calc(100% - 13px) 13px, calc(100% - 8px) 13px;
    background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
.card .meta select.variant:focus { outline: none; border-color: var(--cyan); }
.card .art .scan {
    position: absolute; inset: 0; pointer-events: none;
    background: repeating-linear-gradient(to bottom, rgba(0,0,0,0) 0 2px, rgba(0,0,0,.28) 3px);
    mix-blend-mode: multiply; opacity: .6;
}
.card .art .yr {
    position: absolute; top: 7px; left: 7px;
    font-family: 'IBM Plex Mono', monospace; font-size: 10px; font-weight: 500;
    padding: 2px 6px; background: rgba(5, 7, 10, .78); color: var(--cyan);
    border: 1px solid var(--line-hot); border-radius: 2px; letter-spacing: .04em;
}
.card .art .play {
    position: absolute; inset: 0; display: grid; place-items: center;
    background: radial-gradient(circle at 50% 55%, rgba(255,46,62,.28), rgba(5,7,10,.72) 70%);
    opacity: 0; transition: opacity .2s;
}
.card:hover .art .play { opacity: 1; }
.card .art .play span {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: 'DotGothic16', sans-serif; font-size: 14px; color: #fff;
    padding: 9px 16px; background: var(--red); border-radius: 3px;
    box-shadow: var(--glow-red); letter-spacing: .04em;
    transform: translateY(6px); transition: transform .2s;
}
.card:hover .art .play span { transform: none; }

.card .meta { padding: 11px 12px 13px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card .meta .t {
    font-family: 'DotGothic16', sans-serif; font-size: 15px; line-height: 1.25;
    color: var(--ink); letter-spacing: .01em;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card:hover .meta .t { color: #fff; }
.card .meta .p {
    font-family: 'Chakra Petch', sans-serif; font-size: 11.5px; color: var(--ink-dim);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.card .meta .tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: auto; }
.card .meta .tags i {
    font-style: normal; font-family: 'IBM Plex Mono', monospace; font-size: 9px;
    letter-spacing: .04em; padding: 2px 5px; border-radius: 2px;
    background: var(--panel-2); color: var(--ink-dim); border: 1px solid var(--line);
    text-transform: uppercase;
}

/* sentinel + empty */
#sentinel { height: 1px; }
.empty {
    grid-column: 1 / -1; text-align: center; padding: 80px 20px;
    color: var(--ink-dim); font-family: 'IBM Plex Mono', monospace;
}
.empty .big { font-family: 'DotGothic16', sans-serif; font-size: 26px; color: var(--red); margin-bottom: 10px; }

/* ============================ PLAYER OVERLAY ============================== */
#player {
    position: fixed; inset: 0; z-index: 2000;
    background: rgba(3, 5, 8, .9); backdrop-filter: blur(6px);
    display: none; place-items: center; padding: clamp(10px, 3vh, 40px);
}
#player.open { display: grid; animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.crt {
    width: min(94vw, 980px);
    max-height: 94vh;
    display: flex; flex-direction: column;
    background: linear-gradient(180deg, #161b22, #0b0f15);
    border: 1px solid var(--line-hot);
    border-radius: 10px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, .7), 0 0 0 1px rgba(0,0,0,.6);
    overflow: hidden;
    animation: crtin .3s cubic-bezier(.2,.8,.2,1);
}
@keyframes crtin { from { transform: scale(.94) translateY(10px); opacity: 0; } to { transform: none; opacity: 1; } }

.crt .bar {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 14px; border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, #12181f, #0c1117);
}
.crt .bar .back {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--red); border: 1px solid var(--red); color: #fff;
    border-radius: 3px; padding: 8px 14px; cursor: pointer; flex: 0 0 auto;
    font-family: 'DotGothic16', sans-serif; font-size: 13px; letter-spacing: .03em;
    box-shadow: var(--glow-red); transition: .15s;
}
.crt .bar .back .pwr { font-size: 15px; line-height: 1; }
.crt .bar .back:hover { background: #fff; color: var(--red); border-color: #fff; }
.crt .bar .ic {
    display: inline-flex; align-items: center; gap: 7px; flex: 0 0 auto;
    background: var(--panel-2); border: 1px solid var(--line-hot); color: var(--ink);
    border-radius: 3px; padding: 8px 12px; cursor: pointer; transition: .15s;
    font-family: 'Chakra Petch', sans-serif; font-size: 12px; font-weight: 600; letter-spacing: .04em;
}
.crt .bar .ic span:first-child { font-size: 14px; line-height: 1; }
.crt .bar .ic:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: var(--glow-cyan); }
.crt .bar .title {
    font-family: 'DotGothic16', sans-serif; font-size: 15px; color: var(--ink);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; flex: 1;
}
.crt .bar .title small { font-family: 'IBM Plex Mono', monospace; color: var(--ink-dim); font-size: 11px; margin-left: 8px; }
.crt .bar button {
    background: var(--panel-2); border: 1px solid var(--line); color: var(--ink-dim);
    border-radius: 3px; padding: 7px 11px; cursor: pointer; flex: 0 0 auto;
    font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: .06em;
    transition: .15s; text-transform: uppercase;
}
.crt .bar button:hover { color: var(--ink); border-color: var(--line-hot); background: var(--panel); }
.crt .bar button.close:hover { color: #fff; background: var(--red); border-color: var(--red); }

.crt .screen {
    position: relative; background: #05070a;
    flex: 1 1 auto; min-height: 0; width: 100%;
    aspect-ratio: 4 / 3;
    max-height: calc(94vh - 108px);   /* leave room for bar + foot */
}
.crt .screen iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.crt .screen .bezelscan {
    position: absolute; inset: 0; pointer-events: none; z-index: 3;
    background: repeating-linear-gradient(to bottom, rgba(0,0,0,0) 0 2px, rgba(0,0,0,.14) 3px);
    mix-blend-mode: multiply;
}
/* save/load feedback toast, centered over the screen */
.crt { position: relative; }
.crt .toast {
    position: absolute; top: 64px; left: 50%; transform: translateX(-50%) translateY(-6px);
    z-index: 5; pointer-events: none;
    background: rgba(5, 7, 10, .92); border: 1px solid var(--cyan);
    color: var(--cyan); text-shadow: var(--glow-cyan);
    font-family: 'IBM Plex Mono', monospace; font-size: 12px; letter-spacing: .06em;
    padding: 8px 16px; border-radius: 3px; opacity: 0; transition: opacity .2s, transform .2s;
}
.crt .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.crt .foot {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 9px 14px; border-top: 1px solid var(--line); background: #0c1117; flex-wrap: wrap;
}
.crt .foot .hint {
    font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; color: var(--ink-dim);
    letter-spacing: .04em; display: flex; gap: 14px; flex-wrap: wrap;
}
.crt .foot .hint kbd {
    font-family: 'IBM Plex Mono', monospace; background: var(--panel-2);
    border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 3px;
    padding: 1px 6px; color: var(--ink); font-size: 10px;
}

/* ============================ FOOTER ====================================== */
footer {
    max-width: var(--maxw); margin: 40px auto 0; padding: 26px clamp(16px, 3vw, 34px) 60px;
    border-top: 1px solid var(--line);
    display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
footer .f-brand { font-family: 'DotGothic16', sans-serif; color: var(--ink); font-size: 15px; }
footer .f-brand b { color: var(--red); }
footer .note { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--ink-faint); max-width: 620px; line-height: 1.7; }
footer .note a { color: var(--ink-dim); }

/* ============================ RESPONSIVE ================================== */
@media (max-width: 900px) {
    .layout { grid-template-columns: 1fr; }
    .rail { position: static; }
    .rail .body { display: none; }
    .rail.open .body { display: block; }
    .rail .rail-head { cursor: pointer; }
    .brand .tag { display: none; }
}
@media (max-width: 620px) {
    .header-inner { flex-wrap: wrap; }
    .search { order: 3; flex-basis: 100%; max-width: none; }
    .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
    .crt .foot .hint { display: none; }
}

/* rail collapse toggle only shows on mobile */
.rail .toggle { display: none; }
@media (max-width: 900px) {
    .rail .toggle { display: inline; font-family: 'IBM Plex Mono', monospace; color: var(--cyan); font-size: 11px; }
}