:root {
    color-scheme: dark;
    --bg-start: #0e172e;
    --bg-end: #070b15;
    --surface: rgba(12, 18, 34, 0.82);
    --surface-strong: rgba(16, 24, 45, 0.94);
    --stroke: rgba(171, 196, 226, 0.14);
    --text-main: #f3f8ff;
    --text-soft: rgba(216, 230, 248, 0.72);
    --accent: #7ff3c9;
    --accent-strong: #ffcf70;
    --danger: #ff8f7a;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: "Trebuchet MS", "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(65, 106, 170, 0.38), transparent 32%),
        radial-gradient(circle at top right, rgba(47, 132, 109, 0.24), transparent 28%),
        linear-gradient(180deg, var(--bg-start), var(--bg-end));
    color: var(--text-main);
}

body {
    min-height: 100vh;
}

h1:focus,
h2:focus {
    outline: none;
}

a {
    color: inherit;
}

button,
input,
textarea,
select {
    font: inherit;
}

.eyebrow,
.section-label {
    margin: 0;
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent-strong);
}

.loading-card,
.hero-card,
.board-card,
.details-card,
.settings-card,
.admin-card {
    border: 1px solid var(--stroke);
    background: linear-gradient(180deg, rgba(18, 26, 47, 0.9), rgba(11, 17, 31, 0.92));
    border-radius: 1.5rem;
    box-shadow: 0 22px 60px rgba(4, 7, 20, 0.26);
}

.action-button,
.digit-button,
.mode-button {
    border: 1px solid rgba(154, 189, 223, 0.18);
    border-radius: 1rem;
    background: rgba(17, 24, 41, 0.94);
    color: var(--text-main);
}

.action-button {
    padding: 0.8rem 1rem;
    font-weight: 700;
}

.action-button:hover,
.digit-button:hover,
.mode-button:hover {
    border-color: rgba(127, 243, 201, 0.38);
}

.action-button.is-danger {
    border-color: rgba(255, 143, 122, 0.35);
    color: var(--danger);
}

.action-button.is-danger:hover {
    border-color: rgba(255, 143, 122, 0.7);
}

.action-button:disabled,
.digit-button:disabled {
    opacity: 0.45;
}

.settings-page,
.admin-page,
.play-page {
    display: grid;
    gap: 1rem;
}

.loading-card,
.settings-card,
.hero-card,
.board-card,
.details-card,
.admin-card {
    padding: 1.1rem;
}

.hero-card h1,
.loading-card h1,
.settings-card h1,
.board-card h2 {
    margin: 0.35rem 0 0.5rem;
}

.hero-copy,
.settings-copy,
.loading-card p:last-child {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.5;
}

.hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.hero-actions {
    margin-top: 1rem;
}

.hero-chips span {
    padding: 0.5rem 0.7rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(230, 238, 248, 0.82);
    font-size: 0.82rem;
}

.board-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 1rem;
    margin-bottom: 1rem;
}

.board-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.5rem;
}

.action-button.is-active {
    border-color: rgba(127, 243, 201, 0.52);
    box-shadow: inset 0 0 0 1px rgba(127, 243, 201, 0.28);
    background: linear-gradient(180deg, rgba(26, 46, 56, 0.96), rgba(14, 23, 36, 0.96));
}

.board-header h2 {
    font-size: 1.1rem;
}

.status-banner {
    margin: 1rem 0 0;
    padding: 0.8rem 1rem;
    border-radius: 1rem;
    background: rgba(92, 35, 30, 0.72);
    color: #ffd8cf;
}

.status-banner.is-success {
    background: rgba(18, 64, 49, 0.76);
    color: #c4ffe7;
}

.status-banner.is-warning {
    background: rgba(102, 72, 20, 0.78);
    color: #ffe7b4;
}

.hint-panel {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 1rem;
    border: 1px solid rgba(127, 243, 201, 0.24);
    background: linear-gradient(180deg, rgba(17, 36, 44, 0.94), rgba(10, 20, 29, 0.94));
}

.hint-panel h3 {
    margin: 0.35rem 0 0.45rem;
    font-size: 1.02rem;
}

.hint-panel p:last-of-type {
    margin: 0;
    color: var(--text-soft);
}

.hint-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.85rem;
}

.keypad {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
}

.digit-button {
    min-height: 3.3rem;
    font-size: 1.05rem;
    font-weight: 700;
}

.digit-clear {
    color: #ffd9ca;
}

.details-card {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.library-card {
    display: grid;
    gap: 1rem;
}

.library-section {
    display: grid;
    gap: 0.75rem;
}

.library-item {
    display: grid;
    gap: 0.2rem;
    width: 100%;
    text-align: left;
    padding: 0.9rem 1rem;
    border: 1px solid rgba(154, 189, 223, 0.14);
    border-radius: 1rem;
    background: rgba(15, 21, 39, 0.88);
    color: var(--text-main);
}

.library-item span,
.library-item small {
    color: var(--text-soft);
}

.library-item.is-active {
    border-color: rgba(127, 243, 201, 0.42);
    background: linear-gradient(180deg, rgba(25, 43, 60, 0.95), rgba(14, 23, 37, 0.95));
    box-shadow: inset 0 0 0 1px rgba(127, 243, 201, 0.22);
}

.details-card strong {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.95rem;
}

.mode-list {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.language-settings-block {
    display: grid;
    gap: 0.65rem;
    margin-top: 1.15rem;
    padding: 1rem;
    border: 1px solid rgba(154, 189, 223, 0.12);
    border-radius: 1.1rem;
    background: rgba(12, 19, 35, 0.72);
}

.mode-button {
    display: grid;
    gap: 0.35rem;
    width: 100%;
    padding: 1rem;
    text-align: left;
}

.mode-button.is-active {
    border-color: rgba(127, 243, 201, 0.52);
    box-shadow: inset 0 0 0 1px rgba(127, 243, 201, 0.35);
}

.mode-button span,
.settings-status {
    color: var(--text-soft);
}

.settings-status {
    margin: 1rem 0 0;
}

.admin-grid {
    display: grid;
    gap: 1rem;
}

.admin-form {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.field-label {
    font-size: 0.82rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.text-input,
.json-input {
    width: 100%;
    border: 1px solid rgba(154, 189, 223, 0.18);
    border-radius: 1rem;
    background: rgba(10, 16, 31, 0.92);
    color: var(--text-main);
    padding: 0.9rem 1rem;
    box-sizing: border-box;
}

.json-input {
    min-height: 15rem;
    resize: vertical;
    line-height: 1.45;
}

.admin-inline-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.admin-meta,
.empty-state,
.issue-item small {
    margin: 0;
    color: var(--text-soft);
}

.staged-list,
.issue-list {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.staged-item,
.issue-item {
    display: grid;
    gap: 0.45rem;
    border: 1px solid rgba(154, 189, 223, 0.14);
    border-radius: 1rem;
    background: rgba(15, 21, 39, 0.88);
    padding: 0.95rem 1rem;
}

.staged-item strong,
.issue-item strong {
    font-size: 0.96rem;
}

.staged-item p,
.issue-item p {
    margin: 0;
}

.admin-warning-text {
    color: #ffe7b4;
}

.admin-summary-card {
    margin-top: 1rem;
}

.shell-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.shell-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    gap: 0.75rem;
}

.language-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.language-button {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    min-height: 3rem;
    padding: 0.45rem 0.65rem;
    border: 1px solid rgba(154, 189, 223, 0.18);
    border-radius: 999px;
    background: rgba(13, 20, 36, 0.88);
    color: var(--text-main);
}

.language-button.is-active {
    border-color: rgba(127, 243, 201, 0.52);
    box-shadow: inset 0 0 0 1px rgba(127, 243, 201, 0.22);
    background: linear-gradient(180deg, rgba(22, 42, 56, 0.96), rgba(12, 20, 33, 0.96));
}

.language-flag {
    width: 2rem;
    height: 1.4rem;
    display: block;
}

.language-copy {
    display: grid;
    text-align: left;
    gap: 0.08rem;
}

.language-copy small {
    color: var(--text-soft);
}


.issue-item.is-warning {
    border-color: rgba(255, 198, 94, 0.24);
    background: rgba(56, 36, 10, 0.78);
}
@media (min-width: 900px) {
    .admin-grid {
        grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.95fr);
        align-items: start;
    }

    .staged-item {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        gap: 1rem;
    }
}

#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    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,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) 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: relative;
    display: block;
    width: 8rem;
    height: 8rem;
    margin: 20vh auto 1rem 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;
}

    @media (min-width: 768px) {
        .play-page {
            grid-template-columns: minmax(0, 2fr) minmax(18rem, 1fr);
            align-items: start;
        }

        .hero-card {
            grid-column: 1 / -1;
        }

        .details-card {
            grid-template-columns: 1fr;
        }

        .library-card {
            position: sticky;
            top: 1rem;
        }
    }

    @media (max-width: 480px) {
        .shell-header,
        .shell-actions {
            align-items: stretch;
            flex-direction: column;
        }

        .details-card {
            grid-template-columns: 1fr;
        }

        .board-header {
            align-items: stretch;
            flex-direction: column;
        }

        .board-actions {
            justify-content: stretch;
        }

        .board-actions .action-button {
            flex: 1 1 calc(50% - 0.5rem);
        }

        .hint-actions .action-button {
            flex: 1 1 calc(50% - 0.5rem);
        }
    }