:root {
    color-scheme: light dark;
    --bg: #f7f7f5;
    --surface: #ffffff;
    --text: #1f1f1d;
    --muted: #6b6b66;
    --border: #d3d1c7;
    --accent: #185fa5;
    --good: #3b6d11;
    --good-bg: #eaf3de;
    --bad: #a32d2d;
    --bad-bg: #fcebeb;
    --warn: #854f0b;
    --warn-bg: #faeeda;
    /* Classroom team colours: Blue, Red, Green, Yellow; text on a team fill is --on-team. */
    --team0: #185fa5;
    --team1: #a32d2d;
    --team2: #3b6d11;
    --team3: #854f0b;
    --on-team: #ffffff;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1b1b1a;
        --surface: #262624;
        --text: #f1efe8;
        --muted: #b4b2a9;
        --border: #444441;
        --accent: #85b7eb;
        --good: #c0dd97;
        --good-bg: #27500a;
        --bad: #f7c1c1;
        --bad-bg: #791f1f;
        --warn: #fac775;
        --warn-bg: #633806;
        --team0: #85b7eb;
        --team1: #f09595;
        --team2: #97c459;
        --team3: #ef9f27;
        --on-team: #1b1b1a;
    }
}

html, body {
    height: 100%;
    overflow: hidden;
    overscroll-behavior: none;
}

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

button, select, input {
    font: inherit;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    padding: 0.4rem 0.9rem;
}

button {
    cursor: pointer;
}

    button.primary {
        background: var(--accent);
        border-color: var(--accent);
        color: var(--surface);
    }

    button:disabled, input:disabled {
        opacity: 0.5;
        cursor: default;
    }

h1:focus {
    outline: none;
}

/* Start-up screen: the hosts' static .splash.boot until Blazor starts, then SplashOverlay.
   The app icon's blue in every theme, as the native splash is. */
.splash {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 1rem;
    background: #185fa5;
    color: #ffffff;
    text-align: center;
    transition: opacity 280ms ease;
}

    .splash.leaving {
        opacity: 0;
        pointer-events: none;
    }

/* On the website the static screen sits after the root component in <body>; it goes once the
   layout (which always renders #blazor-error-ui) is there. In the app it is replaced with #app. */
#blazor-error-ui ~ .splash.boot {
    display: none;
}

.splash-mark {
    width: min(112px, 24vh);
    height: min(112px, 24vh);
}

.splash-name {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

/* Reserved even when empty, so the column does not move when text arrives. */
.splash-line {
    min-height: 1.4em;
    line-height: 1.4;
    font-size: 0.95rem;
    opacity: 0.85;
}

.splash-status {
    font-size: 0.85rem;
}

.splash-spinner {
    width: 30px;
    height: 30px;
    margin-top: 0.4rem;
    box-sizing: border-box;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #97c459;
    animation: splash-spin 0.8s linear infinite;
}

@keyframes splash-spin {
    to {
        transform: rotate(360deg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .splash-spinner {
        animation-duration: 2.4s;
    }

    .splash {
        transition: none;
    }
}

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

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.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."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.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;
}