/* IO decision playground — observation board + controls. */

.playground {
    display: flex;
    flex-direction: column;
    gap: 18px;
    width: 100%;
}

.playground-header {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.playground-back {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    padding: 6px 4px;
}

.playground-back:hover {
    color: var(--text-primary);
}

.playground-model {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 12px;
    font-family: var(--font-mono, monospace);
}

.playground-main {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    flex-wrap: wrap;
}

.playground-board-wrap {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1 1 560px;
    min-width: 320px;
}

.playground-board {
    display: grid;
    gap: 1px;
    background: var(--glass-border);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-control);
    padding: 4px;
    aspect-ratio: 24 / 16;
    width: 100%;
}

.pg-cell {
    background: var(--glass-raised);
    border-radius: 2px;
}

.pg-body {
    background: var(--accent-soft);
}

.pg-head {
    background: var(--accent);
}

.pg-food {
    background: #f5a524;
}

.playground-status {
    color: var(--text-secondary);
    font-size: 13px;
}

.playground-controls {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 0 0 240px;
}

.playground-decision {
    min-height: 40px;
    padding: 12px 14px;
    background: var(--glass-raised);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-control);
    color: var(--text-primary);
    font-size: 13px;
}

.playground-pad {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.playground-pad-row {
    display: flex;
    gap: 6px;
}

.playground-pad-btn {
    width: 48px;
    height: 42px;
    background: var(--glass-raised);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 15px;
    cursor: pointer;
}

.playground-pad-btn:hover:not(:disabled) {
    background: var(--accent-soft);
}

.playground-pad-btn:disabled {
    opacity: 0.45;
    cursor: default;
}

.playground-advise {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 13px;
}

.playground-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.playground-btn {
    padding: 9px 14px;
    background: var(--glass-raised);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
}

.playground-btn:hover:not(:disabled) {
    background: var(--accent-soft);
    color: var(--accent);
}

.playground-btn:disabled {
    opacity: 0.45;
    cursor: default;
}