@import url('https://fonts.googleapis.com/css2?family=VT323&display=swap');

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

body {
    background: #0a0a0a;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100dvh;
    padding: 16px;
    font-family: 'VT323', ui-monospace, monospace;
}

/* ── CRT custom properties ── */
.crt {
    --crt-bg:       #0b0c0b;
    --crt-fg:       #c8ffb0;
    --crt-dim:      #3a563a;
    --crt-glow:     rgba(200, 255, 176, 0.35);
    --crt-scanline: rgba(255, 255, 255, 0.03);
    --crt-vignette: rgba(0, 0, 0, 0.55);
    --crt-border:   #1c1c1c;
}

/* ── Themes ── */
.crt.theme-amber {
    --crt-fg:    #ffc66d;
    --crt-dim:   #6b553f;
    --crt-glow:  rgba(255, 198, 109, 0.38);
}

.crt.theme-green {
    --crt-fg:    #9cff9c;
    --crt-dim:   #3f6b3f;
    --crt-glow:  rgba(156, 255, 156, 0.38);
}

.crt.theme-cyan {
    --crt-fg:    #8feaff;
    --crt-dim:   #3f5f6b;
    --crt-glow:  rgba(143, 234, 255, 0.38);
}

/* ── Monitor shell ── */
.monitor {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px 24px 20px 24px;
    background: radial-gradient(120% 90% at 50% 50%, rgba(255,255,255,0.025) 0%, transparent 50%), var(--crt-bg);
    color: var(--crt-fg);
    border: 1px solid var(--crt-border);
    border-radius: 14px;
    width: min(860px, 100%);
    font-family: 'VT323', ui-monospace, monospace;
    text-shadow: 0 0 6px var(--crt-glow), 0 0 2px var(--crt-glow);
    box-shadow:
        0 0 0 2px #111,
        0 0 0 4px #222,
        0 8px 40px rgba(0,0,0,0.7),
        inset 0 0 60px rgba(0,0,0,0.4);
    overflow: hidden;
    z-index: 0;
}

/* Glass gloss */
.monitor::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background:
        radial-gradient(120% 90% at 50% 5%,  rgba(255,255,255,0.06), transparent 55%),
        radial-gradient(120% 90% at 50% 100%, rgba(255,255,255,0.02), transparent 55%);
    pointer-events: none;
    z-index: 1;
}

/* Scanlines */
.monitor::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: repeating-linear-gradient(
        to bottom,
        transparent 0px,
        transparent 1px,
        var(--crt-scanline) 1px,
        var(--crt-scanline) 2px
    );
    pointer-events: none;
    z-index: 2;
}

/* ── Toolbar ── */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 18px;
    color: var(--crt-dim);
    position: relative;
    z-index: 3;
}

.toolbar-title {
    font-size: 22px;
    color: var(--crt-fg);
    letter-spacing: 2px;
}

.theme-select {
    background: transparent;
    border: 1px solid var(--crt-dim);
    color: var(--crt-fg);
    font-family: inherit;
    font-size: 16px;
    padding: 2px 6px;
    border-radius: 4px;
    cursor: pointer;
    outline: none;
}

.theme-select:focus {
    border-color: var(--crt-fg);
}

.theme-select option {
    background: #111;
    color: #eee;
}

/* ── Scoreboard ticker ── */
.ticker-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
    position: relative;
    z-index: 3;
    border: 1px solid var(--crt-dim);
    border-radius: 4px;
    padding: 4px 10px;
    background: rgba(0,0,0,0.3);
}

.ticker-label {
    font-size: 15px;
    color: var(--crt-dim);
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: 1px;
}

.ticker-track {
    overflow: hidden;
    flex: 1;
    mask-image: linear-gradient(to right, transparent 0%, black 4%, black 96%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 4%, black 96%, transparent 100%);
}

.ticker-inner {
    display: inline-block;
    white-space: nowrap;
    font-size: 17px;
    color: var(--crt-fg);
    text-shadow: 0 0 6px var(--crt-glow);
    animation: ticker-scroll 30s linear infinite;
    padding-left: 100%;
}

@keyframes ticker-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-100%); }
}

/* ── Canvas wrapper ── */
.canvas-wrap {
    position: relative;
    z-index: 3;
    line-height: 0;
}

#gameCanvas {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--crt-dim);
    border-radius: 4px;
    image-rendering: pixelated;
    touch-action: none;
}

/* Vignette over canvas */
.canvas-wrap::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 4px;
    background: radial-gradient(ellipse at center, transparent 60%, var(--crt-vignette) 100%);
    pointer-events: none;
}

/* ── Loading overlay ── */
#loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--crt-fg);
    background: var(--crt-bg);
    border-radius: 4px;
    z-index: 10;
    letter-spacing: 3px;
}