* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    background: #20242a;
    color: #fff;
    font-family: Arial, sans-serif;
    text-align: center;
}

h1 {
    margin: 14px 0 6px;
    font-size: clamp(19px, 2.3vw, 28px);
}

#instrukcja {
    width: min(96vw, 1500px);
    margin: 0 auto 24px;
    padding: 0 14px;
    font-size: clamp(13px, 1.6vw, 17px);
    line-height: 1.45;
}

#instrukcja strong {
    display: inline-block;
    margin-bottom: 5px;
    font-size: 1.08em;
}

#wynik-meczu {
    display: none;
    width: min(98vw, 1709px);
    margin: 0 auto 10px;
    justify-content: space-between;
    align-items: center;
    padding: 0 4px;
    font-size: clamp(18px, 2.4vw, 28px);
    font-weight: bold;
}

#wynik-red {
    color: #ff3b3b;
}

#wynik-blue {
    color: #2f9cff;
}

#body-check-komunikat {
    width: min(98vw, 1709px);
    margin: 0 auto 10px;
    padding: 10px 14px;
    border: 2px solid #ffe44d;
    border-radius: 8px;
    background: #343a43;
    color: #fff;
    font-size: clamp(15px, 1.8vw, 21px);
    font-weight: bold;
}

#body-check-komunikat[hidden] {
    display: none;
}

#body-check-rezygnuj {
    margin-left: 14px;
    padding: 6px 14px;
    border: 2px solid #fff;
    border-radius: 6px;
    background: #a52b2b;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
}

#body-check-rezygnuj:hover {
    background: #cf3737;
}

#game-container {
    position: relative;
    width: min(98vw, calc((100vh - 205px) * 1709 / 1162));
    aspect-ratio: 1709 / 1162;
    margin: 0 auto 10px;
    overflow: hidden;
    border: 2px solid #121820;
    background: #20242a;
    box-shadow: 0 8px 24px rgb(0 0 0 / 35%);
}

#efekt-gola {
    position: absolute;
    z-index: 20;
    left: 50%;
    top: 50%;
    width: 33.333%;
    height: auto;
    transform: translate(-50%, -50%);
    pointer-events: none;
    filter: drop-shadow(0 7px 14px rgb(0 0 0 / 65%));
}

#efekt-gola[hidden] {
    display: none;
}

#przyciski-gry {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin: 0 auto 12px;
}

#tryb-testowy,
#ustaw-losowo,
#zacznij-mecz {
    display: block;
    margin: 0;
    padding: 11px 24px;
    border: 2px solid #fff;
    border-radius: 7px;
    background: #444;
    color: #fff;
    font-size: clamp(15px, 1.8vw, 20px);
    font-weight: bold;
    cursor: pointer;
}

#ustaw-losowo {
    background: #d66a12;
}

#ustaw-losowo:hover {
    background: #f18428;
}

#zacznij-mecz {
    background: #19763b;
}

#zacznij-mecz:hover {
    background: #229b50;
}

#tryb-testowy.aktywny {
    border-color: #ffe85a;
    background: #c99700;
    color: #111;
}

#game-container canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
    cursor: default;
}