.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

#blazor-error-ui {
    color-scheme: light only;
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto 0 auto;
}

    .loading-progress circle {
        fill: none;
        stroke: #e0e0e0;
        stroke-width: 0.6rem;
        transform-origin: 50% 50%;
        transform: rotate(-90deg);
    }

        .loading-progress circle:last-child {
            stroke: #1b6ec2;
            stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
            transition: stroke-dasharray 0.05s ease-in-out;
        }

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

    .loading-progress-text:after {
        content: var(--blazor-load-percentage-text, "Loading");
    }

code {
    color: #c02d76;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ---------- Jeu de dames ---------- */

:root {
    --bg: #f4efe6;
    --text: #2b2420;
    --light: #f0d9b5;
    --dark: #8b5a2b;
    --highlight: #f6c945;
    --target: #6cc070;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1e1b18;
        --text: #eee6da;
        --light: #c9b18f;
        --dark: #5e3b1c;
    }
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, sans-serif;
}

.game {
    max-width: 640px;
    margin: 0 auto;
    padding: 16px;
}

.game header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 8px;
}

.game h1 {
    margin: 0 0 12px;
    font-size: 1.6rem;
}

.status {
    margin: 0;
    font-weight: 600;
}

.board {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    aspect-ratio: 1;
    border: 6px solid #4a2f17;
    border-radius: 4px;
    user-select: none;
}

.cell {
    position: relative;
    display: grid;
    place-items: center;
}

.cell.light { background: var(--light); }
.cell.dark { background: var(--dark); cursor: pointer; }
.cell.selected { box-shadow: inset 0 0 0 4px var(--highlight); }
.cell.movable { box-shadow: inset 0 0 0 2px rgba(246, 201, 69, .55); }
.cell.target::after {
    content: "";
    width: 30%;
    height: 30%;
    border-radius: 50%;
    background: var(--target);
    opacity: .85;
}

.number {
    position: absolute;
    top: 2px;
    left: 3px;
    font-size: .55rem;
    color: rgba(255, 255, 255, .45);
}

.piece {
    width: 78%;
    height: 78%;
    border-radius: 50%;
    box-shadow: 0 3px 0 rgba(0, 0, 0, .35), inset 0 0 0 4px rgba(0, 0, 0, .12);
    display: grid;
    place-items: center;
}

.piece.white { background: #f8f4ec; }
.piece.black { background: #2a2522; }
.piece.king::after {
    content: "♛";
    font-size: clamp(.8rem, 3.5vw, 1.6rem);
    color: #c9971c;
}

.options {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    gap: 8px 12px;
    margin-bottom: 12px;
}

.options label {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: .8rem;
}

.options select {
    padding: 6px;
    border-radius: 6px;
    font-size: .95rem;
}

.board.thinking { cursor: progress; }
.board.thinking .cell { cursor: progress; }
.cell.dark.last { background: color-mix(in srgb, var(--dark) 70%, var(--highlight)); }

.game button {
    padding: 8px 16px;
    border: 0;
    border-radius: 6px;
    background: #4a2f17;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
}

.game button:disabled { opacity: .5; cursor: default; }

.history {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
    gap: 4px 24px;
    padding: 0;
    list-style: none;
    font-family: ui-monospace, monospace;
    font-size: .9rem;
}

.history li {
    display: grid;
    grid-template-columns: 2.5rem 1fr 1fr;
    gap: 8px;
}

.history .turn {
    text-align: right;
    opacity: .6;
}