@font-face {
    font-family: 'PrintChar21';
    src: url('../../../fonts/pr/PrintChar21.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

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

:root {
    --cyan:       rgb(5, 160, 180);
    --cyan-dim:   rgb(3, 80, 90);
    --cyan-bright:rgb(100, 220, 240);
    --magenta:    rgb(220, 0, 180);
    --bg:         #000000;
}

html, body {
    width: 100%;
    height: 100%;
    background: var(--bg);
    overflow: hidden;
}

#gameCanvas {
    display: block;
    width: 100vw;
    height: 100vh;
    cursor: none;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

/* ── HUD overlay ───────────────────────────────────────── */
#hud {
    position: absolute;
    top: 40px; /* Below radar (CFG.RADAR_H) */
    left: 0;
    right: 0;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    pointer-events: none;
    font-family: 'PrintChar21', monospace;
    color: var(--cyan);
    font-size: 11px;
    letter-spacing: 1px;
    z-index: 10;
}

#hud-left,
#hud-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.hud-label {
    color: var(--cyan-dim);
    font-size: 9px;
    letter-spacing: 2px;
}

#score-display,
#hi-display {
    font-size: 16px;
    color: var(--cyan-bright);
    text-shadow: 0 0 8px var(--cyan);
}

#wave-display {
    font-size: 14px;
    color: var(--cyan);
}

#lives-display,
#bombs-display {
    font-size: 12px;
    color: var(--cyan);
    letter-spacing: 2px;
}

/* ── Overlay screens ───────────────────────────────────── */
#overlay-screen,
#pause-screen {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start; /* Changed from center */
    padding-top: 25vh; /* 1/4 screen down */
    gap: 18px;
    font-family: 'PrintChar21', monospace;
    color: var(--cyan);
    pointer-events: none;
    z-index: 20;
}

#overlay-screen.hidden,
#pause-screen.hidden {
    display: none;
}

#overlay-title {
    font-size: 72px;
    letter-spacing: 12px;
    color: var(--cyan-bright);
    text-shadow:
        0 0 20px var(--cyan),
        0 0 60px var(--cyan-dim),
        4px 0 0 var(--magenta);  /* built-in chromatic fringe on title */
}

#overlay-sub {
    font-size: 14px;
    letter-spacing: 4px;
    color: var(--cyan);
    text-shadow: 0 0 8px var(--cyan);
}

#overlay-instructions {
    margin-top: 20px;
    font-size: 10px;
    line-height: 2;
    letter-spacing: 2px;
    color: var(--cyan);
    text-align: center;
    text-shadow: 0 0 5px var(--cyan-dim);
}

#overlay-instructions.hidden {
    display: none;
}

#overlay-prompt {
    margin-top: 20px;
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--cyan-dim);
    animation: blink 1.2s step-end infinite;
}

#pause-label {
    font-size: 48px;
    letter-spacing: 8px;
    color: var(--cyan-bright);
    text-shadow: 0 0 20px var(--cyan);
}

#pause-prompt {
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--cyan-dim);
    animation: blink 1.2s step-end infinite;
}

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